Dr Martin Vaughan

Visiting Fellow
School of Computer Science and Electronic Engineering
Dr Martin Vaughan



Martin Vaughan is a theoretical and computational physicist, specializing in the semiconductor materials and devices. He is presently working on the Spin Space project, which seeks to exploit spin as a control parameter for information processing and optical communications in photonic applications.


  • PhD Semiconductor Physics University of Essex,

  • MSc Physics of laser communications University of Essex,

  • BSc (hons) Open University,

Research and professional activities

Research interests

Spin physics in low-dimensional semiconductors

Key words: Spin relaxation

First principles approaches to alloy scattering

Key words: First principles calculations

Band structure in highly mismatched semiconductor alloys

Key words: Band structure

Transport theory

Key words: Boltzmann transport equation

Laser dynamics

Key words: Mutual injection

Dynamics of spin VCSELS

Key words: VCSELs

THz devices

Key words: THz emitters


Journal articles (20)

Vaughan, M., Susanto, H., Henning, I. and Adams, MJ., The overlap factor model of evanescently-coupled, spin-polarised laser pairs. Journal of Optics

Vaughan, MP., The Concept of Entropic Time: A Preliminary Discussion

Vaughan, MP., Quantum Information and the Mind-Body Problem

Vaughan, MP., Susanto, H., Henning, ID. and Adams, MJ., (2021). Analysis of evanescently-coupled pairs of spin-polarised vertical-cavity surface-emitting lasers. Photonics. 8 (3)

Vaughan, M., Susanto, H., Henning, I. and Adams, M., (2021). The Overlap Factor Model of Spin-Polarised Coupled Lasers. Photonics. 8 (3), 83-83

Adams, MJ., Al Seyab, R., Henning, ID., Susanto, H. and Vaughan, MP., (2021). Dynamics of evanescently-coupled laser pairs with unequal pumping: analysis using a three-variable reduction of the coupled rate equations. IEEE Journal of Selected Topics in Quantum Electronics, 1-1

Vaughan, MP., Susanto, H., Henning, ID. and Adams, MJ., (2020). Dynamics of laterally-coupled pairs of spin-VCSELs. IEEE Journal of Quantum Electronics. 56 (3), 1-10

Vaughan, M., Susanto, H., Li, N., Henning, I. and Adams, M., (2019). Stability Boundaries in Laterally-Coupled Pairs of Semiconductor Lasers. Photonics. 6 (2), 74-74

Vaughan, MP. and Rorison, JM., (2018). Model expressions for the spin-orbit interaction and phonon-mediated spin dynamics in quantum dots. Semiconductor Science and Technology. 33 (1), 014001-014001

Vaughan, MP. and Rorison, JM., (2018). Modelling spin relaxation in semiconductor quantum wells: modifying the Elliot process. Semiconductor Science and Technology. 33 (9), 094003-094003

Donmez, O., Sarcan, F., Lisesivdin, SB., Vaughan, MP., Erol, A., Gunes, M., Arikan, MC., Puustinen, J. and Guina, M., (2014). Analytic modeling of temperature dependence of 2D carrier mobility in as-grown and annealed GaInNAs/GaAs quantum well structures. Semiconductor Science and Technology. 29 (12), 125009-125009

Vaughan, MP., Murphy-Armando, F. and Fahy, S., (2012). First-principles investigation of the alloy scattering potential in dilute Si1−xCx. Physical Review B. 85 (16)

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

Vaughan, MP., Fahy, S., O'Reilly, EP., Ivanova, L., Eisele, H. and Dähne, M., (2011). Modelling and direct measurement of the density of states in GaAsN. physica status solidi (b). 248 (5), 1167-1171

Ivanova, L., Eisele, H., Vaughan, MP., Ebert, P., Lenz, A., Timm, R., Schumann, O., Geelhaar, L., Dähne, M., Fahy, S., Riechert, H. and O’Reilly, EP., (2010). Direct measurement and analysis of the conduction band density of states in dilutedGaAs1−xNxalloys. Physical Review B. 82 (16)

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

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

Vaughan, MP. and Ridley, BK., (2007). Electron-nitrogen scattering in dilute nitrides. Physical Review B. 75 (19)

Sun, Y., Vaughan, MP., Agarwal, A., Yilmaz, M., Ulug, B., Ulug, A., Balkan, N., Sopanen, M., Reentilä, O., Mattila, M., Fontaine, C. and Arnoult, A., (2007). Inhibition of negative differential resistance in modulation-dopedn-typeGaxIn1−xNyAs1−y∕GaAsquantum wells. Physical Review B. 75 (20)

Vaughan, MP. and Ridley, BK., (2005). Solution of the Boltzmann equation for calculating the Hall mobility in bulkGaNxAs1−x. Physical Review B. 72 (7)

Book chapters (2)

Vaughan, MP., (2012). Hot Electron Transport. In: Semiconductor Modeling Techniques. Springer Berlin Heidelberg. 71- 113. 9783642275111

Vaughan, MP. and Ridley, BK., (2008). The Hall Mobility in Dilute Nitrides. In: Dilute III-V Nitride Semiconductors and Material Systems. Springer Berlin Heidelberg. 255- 281. 9783540745280

Conferences (6)

Vaughan, MP., Murphy-Armando, F. and Fahy, S., (2011). Alloy scattering of substitutional carbon in silicon: A first principles approach

Vaughan, MP. and Fahy, S., (2010). First principles calculations of the scattering cross section of substitutional carbon in silicon

Vaughan, MP. and Ridley, BK., (2007). Effect of non-parabolicity on the density of states for high-field mobility calculations in dilute nitrides

Vaughan, MP., (2007). From quantum dots to terahertz radiation

Vaughan, MP. and Ridley, BK., (2005). Solution of the Boltzmann equation for the electron Hall mobility in Ga 1-x N x As

Cheung, JY., Vaughan, MP., Mountford, JR. and Chunnilall, CJ., (2004). Correlated photon metrology of detectors and sources



Colchester Campus