People

Professor Ian Henning

Professor
School of Computer Science and Electronic Engineering (CSEE)
Professor Ian Henning
  • Email

  • Telephone

    +44 (0) 1206 872431

  • Location

    5B.525, Colchester Campus

  • Academic support hours

    Part time

Profile

Biography

Member of the Optoelectronics Research Groupand working closely with the High Performance Networking group at Bristol (http://www.bris.ac.uk/engineering/research/hpn/) .

Research and professional activities

Research interests

Optoelectronic devices

semiconductor lasers & photodetectors

high performance measurements and modelling

novel semiconductor devices

design and optimisation of semiconductor devices for use incommunications and sensing

fixed and wireless networks for telecommunication and computer networked applications

networked systems

sensor networks

Current research

Non-linear dynmaics in semiconductor lasers

High performance optoelectronics for THz applications.

Next generation networks and technologies.

Low power wireless technologies for sensor networks

Publications

Journal articles (127)

Adams, MJ., Li, N., Susanto, H., Cemlyn, BR. and Henning, ID., (2018). Locking bandwidth of two laterally coupled semiconductor lasers subject to optical injection. Scientific Reports. 8 (1), 109-

Li, N., Susanto, H., Cemlyn, BR., Henning, ID. and Adams, MJ., (2018). Nonlinear dynamics of solitary and optically injected two-element laser arrays with four different waveguide structures: A numerical study. Optics Express. 26 (4), 4751-4765

Adams, M., Li, N., Cemlyn, B., Susanto, H. and Henning, I., (2018). Algebraic expressions for the polarisation response of spin-VCSELs. Semiconductor Science and Technology. 33 (6)

Li, N., Susanto, H., Cemlyn, BR., Henning, ID. and Adams, AMJ., (2018). Mapping bifurcation structure and parameter dependence in quantum dot spin-VCSELs. Optics Express. 26 (11), 14636-14649

Torre, MS., Susanto, H., Li, N., Schires, K., Salvide, MF., Henning, ID., Adams, MJ. and Hurtado, A., (2017). High frequency continuous birefringence-induced oscillations in spin-polarized vertical-cavity surface-emitting lasers. Optics Letters. 42 (8), 1628-1628

Adams, MJ., Li, N., Cemlyn, BR., Susanto, H. and Henning, ID., (2017). Effects of detuning, gain-guiding, and index antiguiding on the dynamics of two laterally coupled semiconductor lasers. Physical Review A. 95 (5)

Li, N., Susanto, H., Cemlyn, BR., Henning, ID. and Adams, MJ., (2017). Stability and bifurcation analysis of spin-polarized vertical-cavity surface-emitting lasers. Physical Review A. 96 (1)

Li, N., Susanto, H., Cemlyn, B., Henning, ID. and Adams, MJ., (2017). Secure communication systems based on chaos in optically pumped spin-VCSELs. Optics Letters. 42 (17), 3494-3494

Li, N., Alexandropoulos, D., Susanto, H., Henning, I. and Adams, M., (2016). Stability Analysis of Quantum-Dot Spin-VCSELs. Electronics. 5 (4), 83-83

Alharthi, SS., Clarke, E., Henning, ID. and Adams, MJ., (2015). 1305-nm Quantum Dot Vertical-External-Cavity Surface-Emitting Laser. IEEE Photonics Technology Letters. 27 (14), 1489-1491

Alharthi, SS., Orchard, J., Clarke, E., Henning, ID. and Adams, MJ., (2015). 1300 nm optically pumped quantum dot spin vertical external-cavity surface-emitting laser. Applied Physics Letters. 107 (15), 151109-151109

Susanto, H., Schires, K., Adams, MJ. and Henning, ID., (2015). Spin-flip model of spin-polarized vertical-cavity surface-emitting lasers: Asymptotic analysis, numerics, and experiments. Physical Review A. 92 (6), 063838-

Hurtado, A., Raghunathan, R., Henning, ID., Adams, MJ. and Lester, LF., (2015). Simultaneous Microwave- and Millimeter-Wave Signal Generation With a 1310-nm Quantum-Dot-Distributed Feedback Laser. IEEE Journal of Selected Topics in Quantum Electronics. 21 (6), 568-574

Salvide, MF., Torre, MS., Henning, ID., Adams, MJ. and Hurtado, A., (2015). Dynamics of Normal and Reverse Polarization Switching in 1550-nm VCSELs Under Single and Double Optical Injection. IEEE Journal of Selected Topics in Quantum Electronics. 21 (6), 643-651

Alharthi, SS., Hurtado, A., Korpijarvi, V-M., Guina, M., Henning, ID. and Adams, MJ., (2015). Circular polarization switching and bistability in an optically injected 1300 nm spin-vertical cavity surface emitting laser. Applied Physics Letters. 106 (2), 021117-021117

Al-Seyab, RK., Adams, MJ. and Henning, ID., (2015). Dynamics and polarization of conventional and spin-VCSELs in the presence of an axial magnetic field. Journal of the Optical Society of America B. 32 (4), 683-683

Cemlyn, BR., Adams, MJ., Henning, ID. and Labukhin, D., (2015). Detuning Boundaries of Linear and Nonlinear Dynamics in a System of Coupled Lasers. IEEE Journal of Selected Topics in Quantum Electronics. 21 (6), 514-521

Alharthi, SS., Henning, ID., Al Seyab, RK. and Adams, MJ., (2014). Simulated dynamics of optically pumped dilute nitride 1300 nm spin vertical-cavity surface-emitting lasers. IET Optoelectronics. 8 (2), 117-121

Alharthi, SS., Hurtado, A., Al Seyab, RK., Korpijarvi, V-M., Guina, M., Henning, ID. and Adams, MJ., (2014). Control of emitted light polarization in a 1310 nm dilute nitride spin-vertical cavity surface emitting laser subject to circularly polarized optical injection. Applied Physics Letters. 105 (18), 181106-181106

Al-Seyab, R., Schires, K., Hurtado, A., Henning, ID. and Adams, MJ., (2013). Dynamics of VCSELs Subject to Optical Injection of Arbitrary Polarization. IEEE Journal of Selected Topics in Quantum Electronics. 19 (4), 1700512-1700512

Hurtado, A., Nami, M., Henning, ID., Adams, MJ. and Lester, LF., (2013). Two-Wavelength Switching With a 1310-nm Quantum Dot Distributed Feedback Laser. IEEE Journal of Selected Topics in Quantum Electronics. 19 (4), 1900708-1900708

Hurtado, A., Mee, J., Nami, M., Henning, ID., Adams, MJ. and Lester, LF., (2013). Tunable microwave signal generator with an optically-injected 1310nm QD-DFB laser. Optics Express. 21 (9), 10772-10772

Hurtado, A., Henning, ID., Adams, MJ. and Lester, LF., (2013). Generation of Tunable Millimeter-Wave and THz Signals With an Optically Injected Quantum Dot Distributed Feedback Laser. IEEE Photonics Journal. 5 (4), 5900107-5900107

Hurtado, A., Henning, ID., Adams, MJ. and Lester, LF., (2013). Dual-mode lasing in a 1310-nm quantum dot distributed feedback laser induced by single-beam optical injection. Applied Physics Letters. 102 (20), 201117-201117

Khan, NA., Schires, K., Hurtado, A., Henning, ID. and Adams, MJ., (2013). Measurement of Temperature-Dependent Relaxation Oscillation Frequency and Linewidth Enhancement Factor of a 1550 nm VCSEL. IEEE Journal of Quantum Electronics. 49 (11), 990-996

Amaya, N., Irfan, M., Zervas, G., Nejabati, R., Simeonidou, D., Sakaguchi, J., Klaus, W., Puttnam, B., Miyazawa, T., Awaji, Y., Wada, N. and Henning, I., (2013). Fully-elastic multi-granular network with space/frequency/time switching using multi-core fibres and programmable optical nodes. Optics Express. 21 (7), 8865-8865

Alexandropoulos, D., Al-Seyab, R., Henning, I. and Adams, M., (2012). Instabilities in quantum-dot spin-VCSELs. Optics Letters. 37 (10), 1700-1700

Mazzucato, S., Schires, K., Hurtado, A., Adams, MJ., Henning, ID. and Balkan, N., (2012). 1.3 to 1.55 μm All-Optical Wavelength Conversion for VCSEL-to-VCSEL Inversion and Logic. IEEE Photonics Journal. 4 (3), 817-824

Cemlyn, BR., Labukhin, D., Henning, ID. and Adams, MJ., (2012). Dynamic Transitions in a Photonic Integrated Circuit. IEEE Journal of Quantum Electronics. 48 (2), 261-268

Schires, K., Al Seyab, R., Hurtado, A., Korpijärvi, V-M., Guina, M., Henning, ID. and Adams, MJ., (2012). Optically-pumped dilute nitride spin-VCSEL. Optics Express. 20 (4), 3550-3550

Quirce, A., Cuesta, JR., Hurtado, A., Schires, K., Valle, A., Pesquera, L., Henning, ID. and Adams, MJ., (2012). Dynamic Characteristics of an All-Optical Inverter Based on Polarization Switching in Long-Wavelength VCSELs. IEEE Journal of Quantum Electronics. 48 (5), 588-595

Hurtado, A., Schires, K., Henning, ID. and Adams, MJ., (2012). Investigation of vertical cavity surface emitting laser dynamics for neuromorphic photonic systems. Applied Physics Letters. 100 (10), 103703-103703

Khan, NA., Schires, K., Hurtado, A., Henning, ID. and Adams, MJ., (2012). Temperature Dependent Dynamics in a 1550-nm VCSEL Subject to Polarized Optical Injection. IEEE Journal of Quantum Electronics. 48 (5), 712-719

Toomey, JP., Nichkawde, C., Kane, DM., Schires, K., Henning, I., Hurtado, A. and Adams, MJ., (2012). Stability of the nonlinear dynamics of an optically injected VCSEL. Optics Express. 20 (9), 10256-10256

Schires, K., Hurtado, A., Henning, I. and Adams, M., (2012). Rare disruptive events in polarisation-resolved dynamics of optically injected 1550 nm VCSELs. Electronics Letters. 48 (14), 872-872

Hurtado, A., Nami, M., Henning, ID., Adams, MJ. and Lester, LF., (2012). Bistability patterns and nonlinear switching with very high contrast ratio in a 1550 nm quantum dash semiconductor laser. Applied Physics Letters. 101 (16), 161117-161117

Schires, K., Hurtado, A., Henning, ID. and Adams, MJ., (2011). Polarization and Time-Resolved Dynamics of a 1550-nm VCSEL Subject to Orthogonally Polarized Optical Injection. IEEE Photonics Journal. 3 (3), 555-563

Schires, K., Hurtado, A., Henning, ID. and Adams, MJ., (2011). Comprehensive experimental analysis of nonlinear dynamics in an optically-injected semiconductor laser. AIP Advances. 1 (3), 032131-032131

Al-Seyab, R., Alexandropoulos, D., Henning, ID. and Adams, MJ., (2011). Instabilities in Spin-Polarized Vertical-Cavity Surface-Emitting Lasers. IEEE Photonics Journal. 3 (5), 799-809

Henning, ID., Adams, MJ., Vaughan, M., Abraham, T., Sun, Y., Dyson, A., Moodie, DG., Rogers, DC., Cannard, PJ., Dosanjh, S., Skuse, M. and Firth, RJ., (2011). Novel Antenna-Integrated Photodiodes With Strained Absorbers Designed for Use as Terahertz Sources. IEEE Journal of Selected Topics in Quantum Electronics. 17 (1), 202-209

Al-Seyab, R., Schires, K., Ali Khan, N., Hurtado, A., Henning, ID. and Adams, MJ., (2011). Dynamics of Polarized Optical Injection in 1550-nm VCSELs: Theory and Experiments. IEEE Journal of Selected Topics in Quantum Electronics. 17 (5), 1242-1249

Amaya, N., Irfan, M., Zervas, G., Banias, K., Garrich, M., Henning, I., Simeonidou, D., Zhou, YR., Lord, A., Smith, K., Rancano, VJF., Liu, S., Petropoulos, P. and Richardson, DJ., (2011). Gridless optical networking field trial: flexible spectrum switching, defragmentation and transport of 10G/40G/100G/555G over 620-km field fiber. Optics Express. 19 (26), B277-B277

Adams, MJ., Hurtado, A., Labukhin, D. and Henning, ID., (2010). Nonlinear semiconductor lasers and amplifiers for all-optical information processing. Chaos: An Interdisciplinary Journal of Nonlinear Science. 20 (3), 037102-037102

Henning, ID., Adams, MJ., Sun, Y., Moodie, DG., Rogers, DC., Cannard, PJ., Dosanjh, SJ., Skuse, M. and Firth, RJ., (2010). Broadband Antenna-Integrated, Edge-Coupled Photomixers for Tuneable Terahertz Sources. IEEE Journal of Quantum Electronics. 46 (10), 1498-1505

Hurtado, A., Henning, ID. and Adams, MJ., (2010). Optical neuron using polarisation switching in a 1550nm-VCSEL. Optics Express. 18 (24), 25170-25170

Hurtado, A., Henning, ID. and Adams, MJ., (2009). Different forms of wavelength polarization switching and bistability in a 155 μm vertical-cavity surface-emitting laser under orthogonally polarized optical injection. Optics Letters. 34 (3), 365-365

Hurtado, A., Henning, I. and Adams, M., (2009). Polarisation effects on injection locking bandwidth of 1550 nm VCSEL. Electronics Letters. 45 (17), 886-886

Vaughan, MP., Henning, I., Adams, MJ., Rivers, LJ., Cannard, P. and Lealman, IF., (2009). Mutual optical injection in coupled DBR laser pairs. Optics Express. 17 (3), 2033-2033

Hurtado, A., Labukhin, D., Henning, I. and Adams, M., (2009). Injection Locking Bandwidth in 1550-nm VCSELs Subject to Parallel and Orthogonal Optical Injection. IEEE Journal of Selected Topics in Quantum Electronics. 15 (3), 585-593

Henning, I., Sun, Y., Vaughan, M., Dyson, A., Abraham, T., Adams, M., Moodie, D., Rogers, D., Dosanjh, S. and Firth, R., (2009). Widely tunable optoelectronic source of continuous-wave terahertz radiation. Electronics Letters. 45 (24), 1252-1252

Hurtado, A., Henning, I. and Adams, M., (2009). Wavelength Polarization Switching and Bistability in a 1550-nm VCSEL Subject to Polarized Optical Injection. IEEE Photonics Technology Letters. 21 (15), 1084-1086

Wang, Y. and Henning, ID., (2008). Low-complexity network coding algorithms for energy efficient information exchange. Journal of Communications and Networks. 10 (4), 396-402

Dyson, A., Henning, ID. and Adams, MJ., (2008). Comparison of Type I and Type II Heterojunction Unitravelling Carrier Photodiodes for Terahertz Generation. IEEE Journal of Selected Topics in Quantum Electronics. 14 (2), 277-283

Hurtado, A., Henning, ID. and Adams, MJ., (2008). Two-Wavelength Switching With a 1550 nm VCSEL Under Single Orthogonal Optical Injection. IEEE Journal of Selected Topics in Quantum Electronics. 14 (3), 911-917

Dyson, A., Henning, ID. and Adams, MJ., (2008). Comparison of type I and type II heterojunction unitravelling carrier photodiodes for terahertz generation. IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS. 14 (2), 277-283

Flores Lucio, G., Reed, MJ. and Henning, ID., (2007). Guided local search as a network planning algorithm that incorporates uncertain traffic demands. Computer Networks. 51 (11), 3172-3196

Al-Hosiny, NM., Henning, ID. and Adams, MJ., (2007). Tailoring enhanced chaos in optically injected semiconductor lasers. Optics Communications. 269 (1), 166-173

Hurtado, A., Henning, ID. and Adams, MJ., (2007). Effects of parallel and orthogonal polarization on nonlinear optical characteristics of a 1550 nm VCSOA. Optics Express. 15 (14), 9084-9084

Hurtado, A., Henning, ID. and Adams, MJ., (2007). Two-wavelength switching with 1.55 μm VCSOA. Electronics Letters. 43 (16), 887-889

Hurtado, A., Henning, ID. and Adams, MJ., (2007). Bistability and nonlinear gain in 1.55μm vertical cavity semiconductor optical amplifiers: Theory and experiments. Applied Physics Letters. 91 (15), 151106-151106

Kun Yang, Henning, I., Shumao Ou and Azmoodeh, M., (2006). Model-based service discovery for next-generation mobile systems. IEEE Communications Magazine. 44 (9), 122-129

Lu, Z., Hunter, DK. and Henning, ID., (2006). Contention Reduction in Core Optical Packet Switches Through Electronic Traffic Smoothing and Scheduling at the Network Edge. Journal of Lightwave Technology. 24 (12), 4828-4837

Al-Hosiny, N., Henning, I. and Adams, M., (2006). Secondary locking regions in laser diode subject to optical injection from two lasers. Electronics Letters. 42 (13), 759-759

Al-Hosiny, N., Henning, I. and Adams, M., (2006). Correlation of Electron Density Changes With Optical Frequency Shifts in Optically Injected Semiconductor Lasers. IEEE Journal of Quantum Electronics. 42 (6), 570-580

Hurtado, A., Gonzalez-Marcos, A., Henning, I. and Adams, M., (2006). Optical bistability and nonlinear gain in 1.55 [micro sign]m VCSOA. Electronics Letters. 42 (8), 483-483

H. Lu, E. L. Andrade, J. C. Woods, M. Ghanbari and I. Henning, (2006). Generic object registration using multiple hypotheses testing in partition trees. IEE Proceedings - Vision, Image and Signal Processing. 153 (3), 323-330

Dudley, S., Quinlan, T., Henning, I., Walker, S., Davey, R., Boyd, I., Wallace, A. and Payne, D., (2005). Ultra-low power, band plan agnostic, hybrid optical∕copper system for last mile access over twisted pair. Electronics Letters. 41 (15), 879-879

Fitz, S., Gonzalez-Velazquez, A., Henning, I. and Khan, T., (2005). Experimental investigation of wireless link layer for multi-hop oceanographic-sensor networks. Electronics Letters. 41 (24), 1310-1310

Alexandropoulos, D., Henning, ID. and Adams, MJ., (2004). On the design and analysis of AlInAs/AlGaInAs/AlGaAsSb type-II heterostructures for telecommunication applications. Superlattices and Microstructures. 35 (1-2), 105-114

Chlouverakis, K., Al-Aswad, K., Henning, I. and Adams, M., (2003). Determining laser linewidth parameter from Hopf bifurcation minimum in lasers subject to optical injection. Electronics Letters. 39 (16), 1185-1185

Ashour Hamdi, K. and Henning, I., (2003). On the channel spacing of multichannel ALOHA. IEEE Communications Letters. 7 (10), 469-471

Song, CTP., Hall, PS., Ghafouri-Shiraz, H. and Henning, I., (2001). Shorted fractal Sierpinski monopole antenna. IEEE Antennas and Propagation Society, AP-S International Symposium (Digest). 3, 138-141

Song, C., Hall, P., Ghafouri-Shiraz, H. and Henning, I., (2001). Shorted fractal Sierpinski monopole antenna. Electronics Letters. 37 (16), 1000-1000

Song, CTP., Hall, PS., Ghafouri-Shiraz, H. and Henning, I., (2000). Antenna design for packaged integrated RF front ends. IEE Colloquium (Digest) (65)

McKee, PF., Marshall, IW. and Henning, ID., (1999). Research directions in distributed systems. British Telecom technology journal. 17 (2), 137-144

Henning, I., Sim, S., Gibbings, C., Russell, M. and Cochrane, P., (1997). A testbed for the twenty-first century. Proceedings of the IEEE. 85 (10), 1572-1581

Gibbings, C., Newson, D., Henning, I., Barnes, J., Pratt, D. and Cochrane, P., (1997). Superhighway...supergridlock?. British Telecommunications Engineering. 15 (4), 315-320

Barnes, JWR., Henning, ID., Newson, DJ. and Pratt, DJ., (1996). BT Laboratories' futures testbed. IEE Colloquium (Digest) (118)

Barnes, JWR., Chalmers, J., Cochrane, P., Ginsburg, D., Henning, ID., Newson, DJ. and Pratt, DJ., (1995). ATM network futures test bed. British Telecom technology journal. 13 (3), 102-109

Mirshekar-Syahkal, D., Newson, D., Wake, D. and Henning, I., (1994). Wide-band transitions for applications in MMIC's and OEIC's. IEEE Microwave and Guided Wave Letters. 4 (9), 299-300

Asghari, M., Burness, A., Seltzer, C., White, I., Henning, I., Nice, C., Zhu, B. and Thompson, G., (1994). Demonstration of an integrated multichannel grating cavity laser for WDM applications. Electronics Letters. 30 (20), 1674-1675

Urey, Z., Wake, D., Newson, D. and Henning, I., (1993). Comparison of InGaAs transistors as optoelectronic mixers. Electronics Letters. 29 (20), 1796-1796

Newson, D., Birdsall, P., Loosemore, P. and Henning, I., (1993). 39 GHz monolithic coplanar waveguide amplifier using doped channel HFET technology on InP. Electronics Letters. 29 (13), 1177-1177

Burness, A., Loosemore, P., Judge, S., Henning, I., Hicks, S., Doughty, G., Asghari, M. and White, I., (1993). Low loss mirrors for InP/InGaAsP waveguides. Electronics Letters. 29 (6), 520-520

Wake, D., Newson, D., Harlow, M. and Henning, I., (1993). Optically-biased, edge-coupled InP/InGaAs heterojunction phototransistors. Electronics Letters. 29 (25), 2217-2217

Newson, D., Henning, I., Murrell, A. and Grimwood, R., (1993). Damage-free passivation of InAlAs/InGaAs HFETs by use of ECR-deposited SiN. Electronics Letters. 29 (5), 472-472

Singh, J., Henning, I., Mudhar, P., Fisher, M., Perrin, S., Mace, D. and Adams, M., (1992). A novel twin-ridge-waveguide optical amplifier switch. IEEE Photonics Technology Letters. 4 (2), 173-176

Wake, D., Smith, I., Walker, N., Henning, I. and Carver, R., (1992). Video transmission over a 40 GHz radio-fibre link. Electronics Letters. 28 (21), 2024-2024

Mace, D., Adams, M., Singh, J., Fisher, M. and Henning, I., (1991). 1×2 lossless semiconductor optical switch. Electronics Letters. 27 (3), 198-198

Wake, D., Spooner, T., Perrin, S. and Henning, I., (1991). 50 GHz InGaAs edge-coupled pin photodetector. Electronics Letters. 27 (12), 1073-1073

Hale, W., Sundaresan, H., Henning, I. and Mellis, J., (1991). Vector modulation off split-contact DFB lasers. IEE Proceedings J Optoelectronics. 138 (2), 109-109

Sundaresan, H. and Henning, I., (1991). Measurements on competition between carrier-induced and thermally-induced wavelength tuning in ridge waveguide DBR lasers. Electronics Letters. 27 (21), 1897-1897

Mace, D., Adams, M., Singh, J., Fisher, M., Henning, I., Elton, D. and Baker, D., (1990). Crosstalk in twin-guide laser amplifier switches. IEE Proceedings J Optoelectronics. 137 (4), 215-215

Sundaresan, H., Kwan, S., Lord, A., Duncan, W., Henning, I., Stallard, W. and Broughton, C., (1990). Highly reproducible ridge waveguide multielectrode DFB lasers for optical communication systems. Electronics Letters. 26 (22), 1876-1876

Wake, D., Judge, S., Spooner, T., Harlow, M., Duncan, W., Henning, I. and O'Mahony, M., (1990). Monolithic integration of 1.5 μm optical preamplifier and PIN photodetector with a gain of 20 dB and a bandwidth of 35 GHz. Electronics Letters. 26 (15), 1166-1166

Mace, D., Adams, M., Singh, J., Fisher, M., Henning, L. and Duncan, W., (1989). Twin-ridge laser amplifier crosspoint switch. Electronics Letters. 25 (15), 987-987

Singh, J., Henning, I., Harlow, M. and Cole, S., (1989). Single-mode low-loss buried optical waveguide bends in GaInAsP/InP fabricated by dry etching. Electronics Letters. 25 (14), 899-899

Wake, D., Walling, R., Henning, I. and Parker, D., (1989). Planar-junction, top-illuminated GainAs/InP pin photodiode with bandwidth of 25 GHz. Electronics Letters. 25 (15), 967-967

Henning, I., (1989). Materials for optoelectronic and photonic integrated circuits. Progress in Crystal Growth and Characterization. 19 (1-2), 1-20

Linton, R., White, I., Carroll, J., Singh, J., Adams, M. and Henning, I., (1988). Optically triggered polarisation bistability in GaInAsP twin stripe injection lasers using integrated devices. Electronics Letters. 24 (19), 1232-1232

Wake, D., Blank, L., Walling, R. and Henning, I., (1988). Top-illuminated InGaAs/InP p-i-n photodiodes with a 3-dB bandwidth in excess of 26 GHz. IEEE Electron Device Letters. 9 (5), 226-228

Henning, I. and Rodgers, P., (1987). Improved method of measuring loss and phase shifts in waveguide devices. Electronics Letters. 23 (23), 1245-1245

McIlroy, P., Rodgers, P., Singh, J., Spurdens, P. and Henning, I., (1987). Low-loss single-mode InP/InGaAsP waveguides grown by MOVPE. Electronics Letters. 23 (13), 701-701

Wake, D., Walling, R., Sargood, S. and Henning, I., (1987). In0.53Ga0.47As PIN photodiode grown by MOVPE on a semi-insulating InP substrate for monolithic integration. Electronics Letters. 23 (8), 415-415

Wilkie, J., Spiller, G., Henning, I. and Sealy, B., (1987). Dopant redistribution and crystalline damage removal during rapid thermal annealing of Be and Mg implants in Ga0.47In0.53As. Journal of Crystal Growth. 85 (3), 433-439

Wake, D., Scott, E. and Henning, I., (1986). Monolithically integrated InGaAs/InP PIN-JFET photoreceiver. Electronics Letters. 22 (13), 719-719

Henning, I., Adams, M. and Collins, J., (1985). Performance predictions from a new optical amplifier model. IEEE Journal of Quantum Electronics. 21 (6), 609-613

Henning, ID. and Adams, MJ., (1985). SEMICONDUCTOR LASER LINEWIDTH.. British Telecom technology journal. 3 (3), 19-24

Adams, M., Collins, J. and Henning, I., (1985). Analysis of semiconductor laser optical amplifiers. IEE Proceedings J Optoelectronics. 132 (1), 58-58

Adams, M., Westlake, H., O'Mahony, M. and Henning, I., (1985). A comparison of active and passive optical bistability in semiconductors. IEEE Journal of Quantum Electronics. 21 (9), 1498-1504

Adams, MJ. and Henning, ID., (1985). LINEWIDTH CALCULATION FOR DISTRIBUTED-FEEDBACK LASERS.. IEE Proceedings, Part J: Optoelectronics. 132 (2), 136-139

Henning, I., Adams, M. and Collins, J., (1985). Correction to "Performance predictions from a new optical amplifier model". IEEE Journal of Quantum Electronics. 21 (12), 1973-1973

Westbrook, L., Henning, I., Nelson, A. and Fiddyment, P., (1985). Spectral properties of strongly coupled 1.5 µm DFB laser diodes. IEEE Journal of Quantum Electronics. 21 (6), 512-518

Wake, D., Nelson, A., Cole, S., Wong, S., Henning, I. and Scott, E., (1985). InGaAs/InP junction field-effect transistors with high transconductance made using metal organic vapor phase epitaxy. IEEE Electron Device Letters. 6 (12), 626-627

Henning, ID., (1984). HIGH-SPEED TRANSIENT EFFECTS IN QUARTERNARY LASERS.. IEE Proceedings H: Microwaves Optics and Antennas. 131 (3 pt H), 133-138

Frisch, D. and Henning, D., (1984). Effect of laser chirp on optical systems—initial tests using a 1480 nm DFB laser. Electronics Letters. 20 (15), 631-631

Henning, I., Westbrook, L., Nelson, A. and Fiddyment, P., (1984). Measurements of the linewidth of ridge-guide DFB lasers. Electronics Letters. 20 (21), 885-885

Henning, I. and Frisch, D., (1983). Real-time measurements of semiconductor laser spectra. Journal of Lightwave Technology. 1 (1), 202-206

Henning, ID. and Thomas, H., (1983). Process-Induced Defect States in GaAsP Light Emitting Diodes. Physica Status Solidi (a). 79 (2), 567-574

O'Mahony, M. and Henning, I., (1983). Semiconductor laser linewidth broadening due to 1/f carrier noise. Electronics Letters. 19 (23), 1000-1000

Henning, I. and Collins, J., (1983). Measurements of the semiconductor laser linewidth broadening factor. Electronics Letters. 19 (22), 927-927

Henning, I., (1983). Linewidth broadening in semiconductor lasers due to mode competition noise. Electronics Letters. 19 (22), 935-935

Henning, ID. and Thomas, H., (1982). Electron trap behaviour in Te-doped GaAs0.6P0.4. Solid State Electronics. 25 (4), 325-333

Frisch, D. and Henning, I., (1982). Dispersion effects using a 1.52 μm laser. Electronics Letters. 18 (3), 129-129

Henning, I., (1982). Technique for measuring true time-resolved spectra of a semiconductor laser. Electronics Letters. 18 (9), 368-368

Henning, I. and Frisch, D., (1982). Statistical analysis of instantaneous laser spectra. Electronics Letters. 18 (11), 465-465

Henning, ID. and Thomas, H., (1981). Minority carrier traps in epitaxial gallium arsenide phosphide. Journal of Electronic Materials. 10 (2), 361-377

Conferences (93)

Li, N., Alexandropoulos, D., Susanto, H., Henning, I. and Adams, M., (2017). Quantum dot spin-V(E)CSELs: Polarization switching and periodic oscillations

Hurtado, A., Raghunathan, R., Henning, ID., Adams, MJ. and Lester, LF., (2015). Patterns of microwave frequency switching and bistability in an injected QD DFB Laser

Alharthi, SS., Hurtado, A., Korpijarvi, VM., Guina, M., Henning, ID. and Adams, MJ., (2014). Polarization switching and bistability in a 1300 nm spin-VCSEL subject to circularly polarized optical injection

Salvide, M., Torre, MS., Henning, ID., Adams, MJ. and Hurtado, A., (2014). Normal and reverse polarization switching in a 1550nm VCSEL under single and dual optical injection

Alharthi, SS., Hurtado, A., Korpijarvi, VM., Guina, M., Henning, ID. and Adams, MJ., (2014). Control of the emitted polarization in a 1310 nm spin-vcsel subject to circularly polarized optical injection

Alharthi, SS., Hurtado, A., Korpijarvi, VM., Guina, M., Henning, ID. and Adams, MJ., (2014). Control of the emitted polarization in a 1310 nm spin-VCSEL subject to circularly polarized optical injection

Hurtado, A., Henning, ID., Adams, MJ. and Lester, LF., (2014). Simultaneous generation of tuneable microwave and millimeter-wave signals with a 1310nm QD DFB laser

Alharthi, SS., Clarke, E., Henning, ID. and Adams, MJ., (2014). 1300 Nm quantum dot semiconductor disk laser (QD-SDL)

Al-Seyab, R., Henning, ID., Adams, MJ. and Hurtado, A., (2014). Controlled single- and multiple-pulse excitability in vcsels for novel spiking photonic neurons

Al-Seyab, R., Henning, ID., Adams, MJ., Hurtado, A. and Soc, IEEEC., (2014). Controlled single- and multiple-pulse excitability in VCSELs for novel spiking photonic neurons

Salvide, M., Torre, MS., Henning, ID., Adams, MJ., Hurtado, A. and Soc, IEEEC., (2014). Normal and reverse polarization switching in a 1550nm VCSEL under single and dual optical injection

Alharthi, SS., Clarke, E., Henning, ID., Adams, MJ. and Soc, IEEEC., (2014). 1300 nm Quantum Dot Semiconductor Disk Laser (QD-SDL)

Hurtado, A., Henning, ID., Adams, MJ., Lester, LF. and Soc, IEEEC., (2014). Simultaneous generation of tuneable microwave and millimeter-wave signals with a 1310nm QD DFB laser

Hurtado, A., Nami, M., Henning, ID., Adams, MJ. and Lester, LF., (2013). Two-wavelength switching with a 1310nm-QDot DFB laser

Hurtado, A., Mee, J., Nami, M., Henning, ID., Adams, MJ. and Lester, LF., (2013). Analysis and applications of an optically-injected 1310 nm Quantum-Dot Distributed Feedback laser

Hurtado, A., Henning, ID., Adams, MJ. and Lester, LF., (2013). Tunable millimeter-wave and THz signal generation with a 1310nm Quantum Dot Distributed-Feedback laser

Hurtado, A., Mee, J., Nami, M., Lester, LF., Henning, ID. and Adams, MJ., (2013). Tunable microwave, millimeter-wave and THz signal generation with a 1310nm quantum dot laser

Hurtado, A., Mee, J., Nami, M., Henning, ID., Adams, MJ. and Lester, LF., (2013). Tunable microwave signal generation with an optically-injected 1310nm quantum dot distributed-feedback laser

Amaya, N., Irfan, M., Zervas, GS., Nejabati, R., Simeonidou, D., Rancaño, VJF., Parmigiani, F., Petropoulos, P., Richardson, DJ., Sakaguchi, J., Klaus, W., Puttnam, BJ., Miyazawa, T., Awaji, Y., Wada, N. and Henning, I., (2013). On-demand spectrum and space defragmentation in an elastic SDM/FDM/TDM network with mixed multi- and single-core fiber links

Amaya, N., Irfan, M., Zervas, GS., Nejabati, R., Simeonidou, D., Rancano, VJF., Parmigiani, F., Petropoulos, P., Richardson, DJ., Sakaguchi, J., Klaus, W., Puttnam, BJ., Miyazawa, T., Awaji, Y., Wada, N. and Henning, I., (2013). On-demand spectrum and space defragmentation in an elastic SDM/FDM/TDM network with mixed multi- and single-core fiber links

Hurtado, A., Henning, ID. and Adams, MJ., (2012). Dynamics of polarization switching in 1550nm-VCSELs under single and double optical injection

Toomey, JP., Kane, DM., Schires, K., Nichkawde, C., Hurtado, A., Henning, ID. and Adams, MJ., (2012). Mapping transients in the nonlinear dynamics of an optically injected VCSEL

Hurtado, A., Schires, K., Al-Seyab, R., Khan, N., Henning, ID. and Adams, MJ., (2012). Progress on the analysis of polarised optical injection in 1550nm-VCSELs

Schires, K., Al Seyab, R., Hurtado, A., Korpijarvi, VM., Guina, M., Henning, ID. and Adams, MJ., (2012). Instabilities in optically-pumped 1300nm dilute nitride spin-VCSELs: Experiment and theory

Hurtado, A., Schires, K., Henning, ID. and Adams, MJ., (2012). VCSELs for neuronal dynamics emulation

Schires, K., Seyab, RA., Hurtado, A., Korpijärvi, VM., Guina, M., Henning, ID. and Adams, MJ., (2012). Optical spin-injection of a 1300nm-VCSEL

Al-Seyab, R., Schires, K., Hurtado, A., Henning, ID. and Adams, MJ., (2012). Elliptical injection of a 1550nm-VCSEL: Theory and experiment

Hurtado, A., Nami, M., Henning, ID., Adams, MJ. and Lester, LF., (2012). Bistability and switching with very high contrast ratio in an optically-injected 1550nm-QDash Fabry-Perot laser

Schires, K., Seyab, RA., Hurtado, A., Korpijärvi, VM., Guina, M., Henning, ID. and Adams, MJ., (2012). Optical spin-injection of a 1300nm-VCSEL

Amaya, N., Irfan, M., Zervas, G., Nejabati, R., Simeonidou, D., Sakaguchi, J., Klaus, W., Puttnam, BJ., Miyazawa, T., Awaji, Y., Wada, N. and Henning, I., (2012). First fully-elastic multi-granular network with space/frequency/time switching using multi-core fibres and programmable optical nodes

Amaya, N., Irfan, M., Zervas, G., Nejabati, R., Simeonidou, D., Sakaguchi, J., Klaus, W., Puttnam, BJ., Miyazawa, T., Awaji, Y., Wada, N. and Henning, I., (2012). First fully-elastic multi-granular network with space/frequency/time switching using multi-core fibres and programmable optical nodes

Al Seyab, R., Hurtado, A., Schires, K., Henning, I. and Adams, M., (2011). Dynamic behaviour of VCSELs subject to optical injection with arbitrary polarization

Adams, M., Khan, N., Henning, I., Schires, K. and Hurtado, A., (2011). Current-dependence of polarisation switching and locking in an optically injected 1550 nm vertical-cavity surface-emitting laser

Schires, K., Hurtado, A., Henning, ID. and Adams, MJ., (2011). Polarisation-resolved real-time series of the dynamics of a 1550 nm-VCSEL under orthogonal optical injection

Hurtado, A., Schires, K., Khan, N., Al-Seyab, R., Henning, ID. and Adams, MJ., (2011). Polarized optical injection in long-wavelength vertical-cavity surface emitting lasers

Schires, K., Hurtado, A., Henning, ID. and Adams, MJ., (2011). Analysis and characterisation of experimental real-time series of a semiconductor laser under optical injection

Al-Seyab, RK., Alexandropoulos, D., Henning, ID. and Adams, MJ., (2011). Stability analysis of spin-polarized VCSELs

Khan, N., Schires, K., Hurtado, A., Henning, ID. and Adams, MJ., (2011). Temperature dependent dynamics in a 1550 nm VCSEL subject to polarised optical injection

Quirce, A., Cuesta, JR., Hurtado, A., Schires, K., Valle, A., Pesquera, L., Henning, ID. and Adams, MJ., (2011). All-optical inverter based on polarization switching in long-wavelength VCSELs

Hurtado, A., Al-Seyab, R., Schires, K., Khan, N., Alexandropoulos, D., Henning, ID. and Adams, MJ., (2011). Polarization effects in Optically-Injected Long-Wavelength Vertical-Cavity Surface Emitting Lasers

Cemlyn, B., Labukhin, D., Adams, MJ. and Henning, ID., (2011). Dynamical transitions in a coupled integrated device

Hurtado, A., Schires, K., Al-Seyab, R., Khan, N., Henning, ID. and Adams, MJ., (2011). Nonlinear dynamics of long-wavelength VCSELs subject to polarised optical injection

Schires, K., Hurtado, A., Henning, ID. and Adams, MJ., (2011). Investigation of the stability of microwave oscillations in an optically injected 1550nm-VCSEL

Schires, K., Hurtado, A., Henning, ID. and Adams, MJ., (2011). Investigation of the stability of microwave oscillations in an optically injected 1550nm-VCSEL

Amaya, N., Irfan, M., Zervas, G., Banias, K., Garrich, M., Henning, I., Simeonidou, D., Zhou, YR., Lord, A., Smith, K., Rancano, VJF., Liu, S., Petropoulos, P. and Richardson, DJ., (2011). Gridless optical networking field trial: Flexible spectrum switching, defragmentation and transport of 10G/40G/100G/555G over 620-km field fiber

Amaya, N., Irfan, M., Zervas, G., Banias, K., Garrich, M., Henning, I., Simeonidou, D., Zhou, YR., Lord, A., Smith, K., Rancano, VJF., Liu, S., Petropoulos, P. and Richardson, DJ., (2011). Gridless optical networking field trial: Flexible spectrum switching, defragmentation and transport of 10G/40G/100G/555G over 620-km field fiber

Hurtado, A., Schires, K., Khan, N., Quirce, A., Valle, A., Pesquera, L., Henning, ID. and Adams, MJ., (2010). Experimental stability maps of a 1550nm-VCSEL subject to polarized optical injection

Al-Seyab, R., Schires, K., Khan, N., Hurtado, A., Henning, ID. and Adams, MJ., (2010). Novel theory and experiments on dynamics of polarised optical injection in long-wavelength VCSELs

Che, X., Hunter, DK. and Henning, ID., (2008). Switched optical star-topology network with edge electronic buffering and centralized control

Wang, Y., Henning, ID. and Hunter, DK., (2008). Efficient information exchange in wireless sensor networks using network coding

Hurtado, A., Henning, ID. and Adams, MJ., (2008). Differences in the injection locking bandwidth in 1550nm-VCSELs subject to parallel and orthogonal optical injection

Hurtado, A., Henning, ID. and Adams, MJ., (2008). Effect of polarized optical injection on the wavelength polarization switching and bistability of a 1550nm-VCSEL

Hurtado, A., Henning, ID. and Adams, MJ., (2008). Wavelength polarization switching and bistability in a 1550nm-VCSEL subject to orthogonal optical injection

Hurtado, A., Henning, ID. and Adams, MJ., (2008). Wavelength polarization switching and bistability in a 1550nm-VCSEL subject to orthogonal optical injection

Hurtado, A., Henning, ID. and Adams, MJ., (2008). Differences in the injection locking bandwidth in a 1550nm-VCSEL subject to distinct polarized optical injection

Hurtado, A., Henning, ID. and Adams, MJ., (2008). Wavelength polarization switching and bistability in a 1550nm-VCSEL subject to orthogonal optical injection

Che, X., Hunter, DK., Henning, ID. and IEEE, (2008). Switched Optical Star-Topology Network with Edge Electronic Buffering and Centralized Control

Vickers, AJ., Dudley, R., Henning, I. and Ma, Y., (2007). A semiconductor based pump-probe system and its application to THz spectroscopy

Wang, Y., Henning, I., Li, X. and Hunter, D., (2007). SOTP: A self-organized TDMA protocol for wireless sensor networks

Dogru, N., Adams, MJ. and Henning, ID., (2007). Computer modelling and optimisation of mode-locked lasers

Hurtado, A., Adams, MJ. and Henning, ID., (2007). Optical bistability and nonlinear switching in 1550 nm VCSOAs

Hurtado, A., Henning, ID. and Adams, MJ., (2007). Optical bistability and nonlinear gain in a 1550 nm-Vertical Cavity Semiconductor Optical Amplifier (VCSOA) with high on-off contrast ratio

Dyson, A., Henning, ID. and Adams, MJ., (2007). Photomixer for portable THz applications

Hurtado, A., Henning, ID. and Adams, MJ., (2007). Reflective optical bistability and nonlinear switching in a 1550nm Vertical-Cavity Semiconductor Optical Amplifier (VCSOA)

Hurtado, A., Henning, I. and Adams, M., (2007). Polarisation effects on the nonlinear optical characteristics of a 1.55 µm vertical-cavity semiconductor optical amplifier

Dyson, A., Henning, ID. and Adams, MJ., (2007). Investigation of photodetector structures for THz emission by photomixing using numerical simulation

Dyson, A., Henning, ID. and Adams, MJ., (2007). Terahertz generation using unitravelling carrier photodiodes with type-II heterojunctions

Hurtado, A., Henning, ID. and Adams, MJ., (2007). Optical Bistability and Nonlinear Gain in a 1550 nm-Vertical Cavity Semiconductor Optical Amplifier (VCSOA) with High On-Off Contrast Ratio

Dyson, A., Henning, ID., Adams, MJ. and IEEE, (2007). Photomixer for portable THz applications

Lu, Z., Hunter, DK. and Henning, ID., (2006). Congestion control scheme in optical packet switched networks

Dudley, S., Quinlan, T., Henning, I., Walker, S., Davey, R., Wallace, A., Boyd, I. and Payne, D., (2006). Low-power optical feeder for VDSL over twisted pair for last mile access networks

Che, X., Hunter, DK. and Henning, ID., (2006). Buffer-optimized traffic smoothing for optical packet switching access network

Dudley, SEM., Quinlan, T., Henning, ID., Walker, SD., Davey, RP., Payne, DB. and Boyd, I., (2006). Ultra low power optical feeder for VDSL

Al-Hosiny, NM., Henning, ID. and Adams, MJ., (2006). Electron density dynamics, frequency shift and secondary locking region in an optically injected DFB laser

Dyson, A., Henning, ID. and Adams, MJ., (2006). Investigation of UTC and PIN performance for THz applications

Yang, K., Ou, S., Liotta, A. and Henning, I., (2005). Composition of context-aware services using policies and models

Lu, Z., Hunter, DK. and Henning, ID., (2005). Contention resolution scheme for slotted optical packet switched networks

Lucio, GF., Reed, MJ. and Henning, ID., (2005). Improving a local search technique for network optimization using inexact forecasts

Dudley, SEM., Quinlan, T., Henning, ID., Walker, SD., Davey, RP., Payne, DB. and Boyd, I., (2005). Ultra low power optical feeder for VDSL

Adams, MJ., Chlouverakis, K., Al-Aswad, K., Hurtado, A. and Henning, ID., (2005). Optically injected semiconductor lasers for network transmission and switching

Lu, Z., Hunter, DK. and Henning, I., (2005). Performance evaluation on traffic shaping for optical packet switched networks

Chlouverakis, KE., Al-Aswad, KM., Henning, ID. and Adams, MJ., (2003). Temperature sensitivity of injection-locked VCSELs and a new result for the Hopf bifurcation minimum

Hamdi, KA. and Henning, I., (2003). On the Performance of FH/BFSK Multiple Access Communication Systems with Overlapped Hopping Channels

Asghari, M., White, IH., Nice, C., Burness, AL., Henning, ID., Seltzer, C., Thompson, GHB. and Clements, SJ., (1994). Integrated multi-channel laser source for WDM optical transparent networks

Creaner, MJ., Hale, WB., Mellis, J., Sundaresan, H., Burton, J. and Henning, ID., (1990). Coherent FSK experiment using split-contact DFB transmitter laser

Sundaresan, H., Henning, ID., Mellis, J., Hale, WB., Davis, MG., Duncan, WJ., Cockburn, AJ. and Elton, DJ., (1990). Novel 1.55-μm multielectrode DFB source for coherent transmission systems

Wake, D., Walling, RH., Henning, ID. and Parker, DG., (1989). Planar-junction top-illuminated InGaAs/InP pin photodiode with a bandwidth of 25 GHz

Linton, RS., White, IH., Carroll, JE., Singh, J., Adams, MJ. and Henning, ID., (1988). Integrated optically triggered polarisation-switching in InGaAsP twin-stripe injection lasers

Nelson, AW., Cooper, DM., Robertson, MJ., Henning, ID. and Devlin, WJ., (1988). Large-area uniformity of complex GaInAsP/InP device structures by atmospheric pressure MOVPE optoelectronic integration.

Wake, D., Nelson, AW., Cole, S., Wong, S., Henning, ID. and Scott, EG., (1986). HIGH TRANSCONDUCTANCE InGaAs/InP JUNCTION FIELD EFFECT TRANSISTOR SUITABLE FOR MONOLITHIC INTEGRATION MADE USING MOVPE.

Adams, MJ., Henning, ID., Westbrook, LD., Fiddyment, PJ. and Nelson, AW., (1984). LINEWIDTH OF GaInAsP/InP DISTRIBUTED FEEDBACK LASERS.

Osinski, M. and Henning, ID., (1984). PHASE NOISE ENHANCEMENT IN LONG WAVELENGTH SEMICONDUCTOR LASERS.

Hooper, RC., Henning, ID., Brain, MC., Booth, RC., Preston, KR., Smyth, PP., Smith, DR. and White, BR., (1984). REVIEW OF THE DEVELOPMENT OF ELECTROOPTIC AND ELECTRONIC COMPONENTS FOR Gbit/S OPTICAL FIBRE SYSTEMS.

Grants and funding

2015

Spatially Encoded Telecoms and Quantum Technologies Using Spin-Enabled All-Optical Switching - Spin Space

Engineering & Physical Sciences Res.Council

Spatially Encoded Telecoms and Quantum Technologies Using Spin-Enabled All-Optical Switching - Spin Space

Engineering & Physical Sciences Res.Council

2012

UK Photonic Systems Outreach Network

Engineering & Physical Sciences Res.Council

2011

The Photonic Hyperhighway

Engineering & Physical Sciences Res.Council

UK Photonic Systems Outreach Network

Engineering & Physical Sciences Res.Council

2009

Dynamics of Spin VCSELs

Engineering & Physical Sciences Res.Council

Polarisation Dynamics of Quantum Dot VCSELs

Engineering & Physical Sciences Res.Council

Contact

idhenn@essex.ac.uk
+44 (0) 1206 872431

Location:

5B.525, Colchester Campus

Academic support hours:

Part time