People

Dr Nick Zakhleniuk

Senior Lecturer
School of Computer Science and Electronic Engineering (CSEE)
Dr Nick Zakhleniuk
  • Email

  • Telephone

    +44 (0) 1206 874248

  • Location

    1NW.4.14, Colchester Campus

Teaching and supervision

Current teaching responsibilities

  • Team Project Challenge (CE101)

  • Internship Portfolio (CE307)

  • Telecommunication Networks and Systems (CE334)

  • Internship Portfolio (CE360)

  • Theory of Signals and Systems (CE701)

  • IP Networking and Applications (CE707)

Previous supervision

Onur Duzgol
Onur Duzgol
Thesis title: Enhanced Modulation Dynamic Performance of Optically-Injected Widely-Tunable Semiconductor Lasers
Degree subject: Computing and Electronic Systems
Degree type: Doctor of Philosophy
Awarded date: 23/8/2017
Georgios Kyritsis
Georgios Kyritsis
Thesis title: Theory and Modelling of Wavelength Tunable Laser Transmitters with Enhanced Tuning Range and Their Modulation Performance
Degree subject: Computing and Electronic Systems
Degree type: Doctor of Philosophy
Awarded date: 12/1/2016

Publications

Journal articles (41)

Kyritsis, G. and Zakhleniuk, N., (2017). Performance of Widely Tunable Multi-Quantum-Well and Bulk Laser Diodes and the Main Limiting Factors. IEEE Journal of Quantum Electronics. 53 (3), 1-16

Duzgol, O., Kyritsis, G. and Zakhleniuk, N., (2017). Travelling-wave modelling of the modulation dynamic performance of wavelength-tunable laser diodes using the integrated VPI and PICS3D software. IET Optoelectronics. 11 (2), 66-72

Duzgol, O., Kyritsis, G. and Zakhleniuk, N., (2017). Modulation dynamic response of optical-injection-locked wavelength-tunable semiconductor laser diodes. IET Optoelectronics. 11 (2), 58-65

Kyritsis, G. and Zakhleniuk, N., (2013). Self-Consistent Simulation Model and Enhancement of Wavelength Tuning of InGaAsP/InP Multisection DBR Laser Diodes. IEEE Journal of Selected Topics in Quantum Electronics. 19 (5), 1-11

Momox, E., Zakhleniuk, N. and Balkan, N., (2012). Overshoot mechanism in transient excitation of THz and Gunn oscillations in wide-bandgap semiconductors. Nanoscale Research Letters. 7 (1)

Momox, E., Zakhleniuk, N. and Balkan, N., (2012). Solution of the 1D Schrödinger equation in semiconductor heterostructures using the immersed interface method. Journal of Computational Physics. 231 (18), 6173-6180

Momox, E., Zakhleniuk, NA. and Balkan, N., (2012). Overshoot mechanism in transient excitation of THz and Gunn oscillations in wide-bandgap semiconductors. Nanoscale Research Letters. 7 (1), creators-Zakhleniuk=3ANickolay_A=3A=3A

Stolz, C., Labukhin, D., Zakhleniuk, NA. and Adams, MJ., (2010). Dynamics of Optically-Injected Semiconductor Lasers Using the Travelling-Wave Approach. IEEE Journal of Quantum Electronics. 46 (2), 220-227

Labukhin, D., Stolz, CA., Zakhleniuk, NA., Loudon, R. and Adams, MJ., (2010). Nonlinear Dynamics of Multi-Section Tunable Lasers. IEEE Journal of Quantum Electronics. 46 (5), 689-699

Bulutay, C., Turgut, CM. and Zakhleniuk, NA., (2010). Carrier-induced refractive index change and optical absorption in wurtzite InN and GaN: Full-band approach. Physical Review B. 81 (15), 155206-

Labukhin, D., Stolz, CA., Zakhleniuk, NA., Loudon, R. and Adams, MJ., (2009). Modified Fabry–Perot and Rate Equation Methods for the Nonlinear Dynamics of an Optically Injected Semiconductor Laser. IEEE Journal of Quantum Electronics. 45 (7), 864-872

Brannick, A., Zakhleniuk, NA., Ridley, BK., Eastman, LF., Shealy, JR. and Schaff, WJ., (2009). Hydrodynamic simulation of surface traps in the AlGaN/GaN HEMT. Microelectronics Journal. 40 (3), 410-412

Brannick, A., Zakhleniuk, NA., Ridley, BK., Shealy, JR., Schaff, WJ. and Eastman, LF., (2009). Influence of Field Plate on the Transient Operation of the AlGaN/GaN HEMT. IEEE Electron Device Letters. 30 (5), 436-438

Stolz, CA., Labukhin, D., Zakhleniuk, N., Loudon, R. and Adams, MJ., (2009). Power fluctuations of a weakly optically-injected semiconductor laser in a period-one state. Optics Communications. 282 (10), 2074-2080

Zakhleniuk, NA., (2006). Nonequilibrium drift-diffusion transport in semiconductors in presence of strong inhomogeneous electric fields. Applied Physics Letters. 89 (25), 252112-252112

Bulutay, C., Ridley, BK. and Zakhleniuk, NA., (2003). Electron momentum and energy relaxation rates in GaN and AlN in the high-field transport regime. Physical Review B. 68 (11)

Anderson, DR., Zakhleniuk, NA., Babiker, M., Ridley, BK. and Bennett, CR., (2001). Polar-optical phonon-limited transport in degenerate GaN-based quantum wells. Physical Review B. 63 (24), 2453131-2453137

Anderson, DR., Babiker, M., Bennett, CR., Zakhleniuk, NA. and Ridley, BK., (2001). Evaluations of the low-field mobility in degenerate GaN/AlN heterojunctions. Journal of Physics Condensed Matter. 13 (26), 5999-6004

Ridley, BK., Zakhleniuk, NA. and Babiker, M., (2000). A continuum model for acoustic and optical phonons in heterostructures. Solid State Communications. 116 (7), 385-388

Bulutay, C., Ridley, BK. and Zakhleniuk, NA., (2000). Comparative analysis of zinc-blende and wurtzite GaN for full-band polar optical phonon scattering and negative differential conductivity. Applied Physics Letters. 77 (17), 2707-2709

Bulutay, C., Ridley, BK. and Zakhleniuk, NA., (2000). Full-band polar optical phonon scattering analysis and negative differential conductivity in wurtzite GaN. Physical Review B. 62 (23), 15754-15763

Zakhleniuk, NA., Bennett, CR., Babiker, M. and Ridley, BK., (1999). The Bloch–Grüneisen mobility of two-dimensional electron gas in AlGaN/GaN heterostructures. Applied Physics Letters. 75 (11), 1565-1567

Zakhleniuk, NA., Babiker, M., Bennett, CR. and Ridley, BK., (1999). Hot electrons in large-bandgap bulk semiconductors and quantum wells. Turkish Journal of Physics. 23 (4), 593-601

Bennett, CR., Ridley, BK., Zakhleniuk, NA. and Babiker, M., (1999). The extended hybrid model for optical phonon confinement. Turkish Journal of Physics. 23 (4), 731-738

Babiker, M., Zakhleniuk, NA., Bennett, CR., Stavrou, VN. and Ridley, BK., (1999). Electrons and phonons in GaN semiconductor quantum well devices. Turkish Journal of Physics. 23 (4), 529-538

Zakhleniuk, NA., Bennett, CR., Stavrou, VN., Babiker, M. and Ridley, BK., (1999). Quantum capture of injected electrons in GaN-based laser heterostructures. Physica Status Solidi (A) Applied Research. 176 (1), 79-83

Zakhleniuk, NA., Bennett, CR., Ridley, BK. and Babiker, M., (1998). Multisubband hot-electron transport in GaN-based quantum wells. Applied Physics Letters. 73 (17), 2485-2487

Ridley, BK., Al-Dossary, O., Babiker, M., Zakhleniuk, NA. and Bennett, CR., (1998). Optical-phonon tunnelling and the electron scattering rate. Superlattices and Microstructures. 23 (2), 201-203

Bennett, CR., Amato, MA., Zakhleniuk, NA., Ridley, BK. and Babiker, M., (1998). Effects of a monolayer on the electron-phonon scattering rates in a quantum well: Dielectric continuum versus hybrid model. Journal of Applied Physics. 83 (3), 1499-1506

Zakhleniuk, NA. and Ridley, BK., (1997). Cascade Capture and Hot Photoelectrons in One-Dimensional Semiconductors. physica status solidi (b). 204 (1), 287-289

Ridley, BK., Zakhleniuk, NA., Bennett, CR., Constantinou, NC. and Babiker, M., (1997). Nonequilibrium Electrons under Quantization Conditions. physica status solidi (b). 204 (1), 262-264

Zakhleniuk, NA., Bennett, CR., Constantinou, NC., Ridley, BK. and Babiker, M., (1996). Theory of optical-phonon limited hot-electron transport in quantum wires. Physical Review B. 54 (24), 17838-17849

Ridley, BK. and Zakhleniuk, NA., (1996). Hot electrons under quantization conditions: III. Analytical results and new nonlinear regimes. Journal of Physics: Condensed Matter. 8 (44), 8553-8581

Ridley, BK. and Zakhleniuk, NA., (1996). Inelastic electron-acoustic-phonon interaction in quantum-well wires. Journal of Experimental and Theoretical Physics Letters. 63 (6), 464-470

Ridley, BK. and Zakhleniuk, NA., (1996). Hot electrons under quantization conditions: II. The Boltzmann equation. Journal of Physics: Condensed Matter. 8 (44), 8539-8552

Ridley, BK. and Zakhleniuk, NA., (1996). Hot electrons under quantization conditions: I. Kinematics. Journal of Physics: Condensed Matter. 8 (44), 8525-8537

Kochelap, VA. and Zakhleniuk, NA., (1994). Hydrodynamic fluctuations of a hot-electron gas. Physical Review B. 50 (12), 8325-8341

Kochelap, VA., Sokolov, VN. and Zakhleniuk, NA., (1994). Suppression of hot-electron fluctuations in submicrometre semiconductor layers. Semiconductor Science and Technology. 9 (5S), 588-591

Kochelap, VA., Sokolov, VN. and Zakhleniuk, NA., (1993). Limitation and suppression of hot-electron fluctuations in submicrometer semiconductor structures. Physical Review B. 48 (4), 2304-2311

ZAKHLENIUK, NA., KOCHELAP, VA. and MITIN, VV., (1989). NONEQUILIBRIUM FLUCTUATIONS IN SEMICONDUCTORS ON SCATTERING OF CHARGE CARRIER ENERGY BY OPTICAL VIBRATIONS OF THE LATTICE. ZHURNAL EKSPERIMENTALNOI I TEORETICHESKOI FIZIKI. 95 (4), 1495-1512

Ivashchenko, VM., Mitin, VV. and Zakhleniuk, NA., (1983). Galvanomagnetic effects in semiconductors of p-Ge type. physica status solidi (b). 115 (1), 245-254

Conferences (31)

Zakhleniuk, N., Alasmar, M., Parisis, G. and Clegg, R., (2019). On the Distribution of Traffic Volumes in the Internet and its Implication

Kyritsis, G., Duzgol, O. and Zakhleniuk, N., (2016). Power and wavelength tuning performance of multi-quantum-well and bulk tunable laser diodes and main limiting factors

Duzgol, O., Kyritsis, G. and Zakhleniuk, N., (2016). Enhanced dynamic response and spectral characteristics improvement of optically-injected widely-Tunable laser diodes

Stolz, CA., Labukhin, D., Zakhleniuk, N., Loudon, R. and Adams, MJ., (2010). Spatio-temporal dynamics of a multi-section tunable laser with and without optical injection

Stolz, CA., Labukhin, D., Zakhleniuk, N., Loudon, R., Adams, MJ., Vainos, N., Couris, S., Paspalakis, E., Koutselas, I. and Pissadakis, S., (2010). Locking Bandwidth of an Optically-Injected Multi-Section Tunable Laser

Labukhin, D., Stolz, CA., Zakhleniuk, N., Loudon, R. and Adams, MJ., (2010). Nonlinear spatio-temporal dynamics of optically-injected three-section tunable DBR lasers

Stolz, CA., Labukhin, D., Zakhleniuk, N., Loudon, R. and Adams, MJ., (2009). Dynamics of optically-injected distributed feedback lasers using the travelling-wave approach

Stolz, CA., Labukhin, D., Zakhleniuk, NA., Loudon, R. and Adams, M., (2009). Computer-aided Analysis of the Poincare Map for the Characterisation of Optically-Injected Semiconductor Lasers

Labukhin, D., Stolz, CA., Zakhleniuk, NA., Loudon, R. and Adams, M., (2009). Investigating the Chaotic Behaviour of Multi-section Semiconductor Lasers Using the Transmission Line Laser Model

Stolz, CA., Adams, MJ., Zakhleniuk, N. and Labukhin, D., (2008). Locking bandwidth of optically injected Fabry–Perot semiconductor lasers for high injection strengths

Bulutay, C. and Zakhleniuk, NA., (2008). Carrier-induced refractive index change in InN

Hepburn, CJ., Zakhleniuk, NA., Adams, MJ. and Balkan, N., (2007). Modelling of real space transfer optical emitters

Zakhleniuk, NA., (2007). Theory and Modelling of High-Field Carrier Transport in High-Speed Photodetectors

Brannick, A., Zakhleniuk, NA., Ridley, BK., Eastman, LF., Shealy, JR. and Schaff, WJ., (2007). Modelling of Hot Electron Effects in GaN/AlGaN HEMT with AlN Interlayer

Brannick, A., Zakhleniuk, N., Ridley, BK., Eastman, LF., Schaff, WJ. and Shealy, JR., (2007). Advanced modelling of GaN/AlGaN HEMT devices with field plate

Zakhleniuk, NA. and Adams, MJ., (2005). Analytical theory and numerical simulation of nonequilibrium transport effects in laser heterostructures

Zakhleniuk, NA. and Adams, MJ., (2005). Macroscopic theory and numerical modelling of carrier transport and leakage effects in semiconductor laser heterostructures

Bulutay, C., Ridley, BK. and Zakhleniuk, NA., (2002). High-energy electron relaxation and full-band electron dynamics in aluminium nitride

Mazzucato, S., Arikan, MC., Balkan, N., Ridley, BK., Zakhleniuk, N., Shealy, RJ. and Schaff, B., (2002). Hot electron capture and power loss in 2D GaN

Bulutay, C., Ridley, BK. and Zakhleniuk, NA., (2001). Polar optical phonon scattering and negative Krömer–Esaki–Tsu differential conductivity in bulk GaN

Ridley, BK., Zakhleniuk, NA. and Bennett, CR., (2000). Squeezed electrons in GaN quantum wells

Ridley, BK., Zakhleniuk, NA., Bennett, CR., Babiker, M. and Anderson, DR., (1999). Piezoelectric Scattering in Large-Bandgap Semiconductors and Low-Dimensional Heterostructures

Zakhleniuk, N., (1999). Electron temperature and cooling of 2D hot electron gas in deep quantum wells

Zakhleniuk, NA., Bennett, CR., Ridley, BK. and Babiker, M., (1999). Interaction of non-equilibrium electrons with phonons in bulk GaN and GaN/AlGaN quantum wells

Zakhleniuk, NA., Bennett, CR., Stavrou, VN., Babiker, M. and Ridley, BK., (1999). Quantum Capture of Injected Electrons in GaN-Based Laser Heterostructures

Bennett, CR., Ridley, BK., Zakhleniuk, NA. and Babiker, M., (1999). The hybrid model for optical phonon confinement in AlN/GaN quantum wells

Stavrou, VN., Bennett, CR., Babiker, M., Zakhleniuk, NA. and Ridley, BK., (1998). Electron and phonon resonances of electron capture in AlN/GaN quantum wells

Kochelap, VA., Sokolov, VN., Zakhleniuk, NA. and Bulashenko, OM., (1996). Limitation and suppression of electron noise in submicrometer semiconductor structures

SOKOLOV, VN., KOCHELAP, VA. and ZAKHLENIUK, NA., (1993). PECULIARITIES OF HOT-ELECTRON FLUCTUATIONS IN SUBMICRON SEMICONDUCTOR STRUCTURES - LIMITATION AND SUPPRESSION

KOCHELAP, VA. and ZAKHLENIUK, NA., (1993). HYDRODYNAMICAL FLUCTUATIONS IN HOT-ELECTRON GAS OF SEMICONDUCTORS - CROSS-CORRELATION EFFECTS

KOCHELAP, VA., MITIN, VV., ZAKHLENIUK, NA. and BULASHENKO, OM., (1990). LIMITATION OF SPECTRAL DENSITY OF CURRENT FLUCTUATIONS IN SEMICONDUCTORS IN STRONG ELECTRIC-FIELDS

Contact

naz@essex.ac.uk
+44 (0) 1206 874248

Location:

1NW.4.14, Colchester Campus