The Terahertz Laboratories

Journal papers


Kurochkin, O., Mavrona, E. & Apostolopoulos, V. et al, “Electrically charged dispersions of ferroelectric nanoparticles.” Applied Physics … (2015).


Gow, P. C., D. McBryde, S. A. Berry, M. E. Barnes, and V. Apostolopoulos. “Characterisation of THz emission from double-metal-patterned gallium–arsenide multiple emitters.” Electronics Letters 50, no. 25 (2014): 1966-1968.

Maple, L. C., S. A. Berry, G. B. G. Stenning, G. J. Bowden, P. A. J. de Groot, and V. Apostolopoulos. “A metamolecule antenna for coplanar waveguides.Optics Express 22, no. 25 (2014): 30473-30481.

Apostolopoulos, V., and M. E. Barnes. “THz emitters based on the photo-Dember effect.” Journal of Physics D: Applied Physics 47, no. 37 (2014): 374002.

Barnes, Mark E., Geoff J. Daniell, Paul Gow, and Vasilis Apostolopoulos. “Simulation of Terahertz Generation from Lateral Diffusion Currents in Semiconductor Devices.” Journal of Infrared, Millimeter, and Terahertz Waves35, no. 12 (2014): 1030-1044.

D. McBryde, M. E. Barnes, S. A. Berry, P. Gow, H. E. Beere, D. A. Ritchie and V. Apostolopoulos, Fluence and polarisation dependence of GaAs based lateral photo-Dember terahertz emitters, Opt. Express 22, 3234-3243 (2014).


P. Gow, S. A. Berry, D. McBryde, M. E. Barnes, H. E. Beere, D. A. Ritchie, and V. Apostolopoulos, Multiple lateral photo-Dember terahertz emitters illuminated by a cylindrical micro-lens array, Appl. Phys. Lett., vol. 103, no. 25, 2013.

M. E. Barnes, S. A. Berry, P. Gow, D. McBryde, G. J. Daniell, H. E. Beere, D. A. Ritchie, and V. Apostolopoulos, Investigation of the role of the lateral photo-Dember effect in the generation of terahertz radiation using a metallic mask on a semiconductor, Optics Express, vol. 21, no. 14, p. 16263, Jul. 2013.


M. E. Barnes, D. McBryde, G. J. Daniell, G. Whitworth, A. L. Chung, A. H. Quarterman, K. G. Wilcox, A. Brewer, H. E. Beere, D. A. Ritchie, and V. Apostolopoulos, Terahertz emission by diffusion of carriers and metal-mask dipole inhibition of radiation, Optics Express, vol. 20, no. 8, p. 8898, Apr. 2012.


A. H. Quarterman, K. G. Wilcox, V. Apostolopoulos, Z. Mihoubi, S. P. Elsmere, I. Farrer, D. A. Ritchie and A. Tropper, A passively mode-locked external-cavity semiconductor laser emitting 60-fs pulses, Nature Photonics 3, 729-731 (2009).

Keith G. Wilcox, Mantas Butkus, Ian Farrer, David A. Ritchie, Anne Tropper, and Edik U. Rafailov, Subpicosecond quantum dot saturable absorber mode-locked semiconductor disk laser, Appl. Phys. Lett. 94, 251105 (2009).


Keith G. Wilcox, Zakaria Mihoubi, G. J. Daniell, Stephen Elsmere, Adrian Quarterman, Ian Farrer, David A. Ritchie, and Anne Tropper, Ultrafast optical Stark mode-locked semiconductor laser, Opt. Lett. 33, 2797-2799 (2008)

Zakaria Mihoubi, Keith G. Wilcox, Stephen Elsmere, Adrian Quarterman, Rakchanok Rungsawang, Ian Farrer, Harvey E. Beere, David A. Ritchie, Anne Tropper, and Vasileios Apostolopoulos, All-semiconductor room-temperature terahertz time domain spectrometer, Opt. Lett. 33, 2125-2127 (2008)

A. H. Quarterman, K. G. Wilcox, S. P. Elsmere, Z. Mihoubi, A. C. Tropper, Active stabilisation and timing jitter characterisation of sub-500 fs pulse passively modelocked VECSEL, Electronics Letters. 44, 1135-1137 (2008)

K. G. Wilcox, Z. Mihoubi, S. Elsmere, A. Quarterman, H. D. Foreman, S. Hashimoto, T. Sudmeyer, U. Keller, A. Tropper, Passively modelocked 832 nm vertical-external-cavity surface-emitting semiconductor laser producing 15.3 ps pulses at 1.9 GHz repetition rate, Electronics Letters, 44, 1469-U135 (2008)

S. P. Elsmere, Z. Mihoubi, A. H. Quarterman, P. Dupriez, J. Nilsson, J. S. Roberts, A. C. Tropper, High-Repetition-Rate Subpicosecond Source of Fiber-Amplified Vertical-External-Cavity Surface-Emitting Semiconductor Laser Pulses, Phot. Tech. Lett, 20, 8, 623 – 625 (2008)


P. Dupriez, C. Finot, A. Malinowski, J. K. Sahu, J. Nilsson, D. J. Richardson, K. G. Wilcox, H. D. Foreman, A. C. Tropper, High-power, high repetition-rate picosecond and femtosecond sources based on Yb-doped fiber amplification of VECSELs, Optics Express 14 No. 21, 9611-9616 (2006)

K.G. Wilcox, F. Rutz, R. Wilk, H.D. Foreman, J.S. Roberts, J. Sigmund, H. L. Hartnagel, M. Koch and A.C. Tropper, Terahertz imaging system based on LT-GaAsSb antenna driven by all-semiconductor femtosecond source, Electronics Letters 42, 1159-1160 (2006)

K.G. Wilcox, H.D. Foreman, J.S. Roberts and A.C. Tropper, Timing Jitter of a 897-MHz optical pulse train from actively-stabilised passively mode-locked surface-emitting semiconductor laser, Electronics Letters 42, 159-160 (2006)

S. Hoogland, A. Garnache, I. Sagnes, J.S. Roberts, A.C. Tropper,10-GHz train of sub-500-fs optical soliton-like pulses from a surface-emitting semiconductor laser, IEEE Photonics Technology Letters 17, 267-269 (2005). (Southampton e-Print)

S. Hoogland, A. Garnache, I. Sagnes, B. Paldus, K.J. Weingarten, R. Grange, M. Haiml, R. Paschotta, U. Keller, A.C. Tropper, Picosecond pulse generation with 1.5 um passively modelocked surface-emitting semiconductor laser, Electronics Letters, 39, 846-847 (2003). (Southampton e-Print)

R. Paschotta, R. Häring, A. Garnache, S. Hoogland, A.C. Tropper, U. Keller, Soliton-like pulse-shaping mechanism in passively mode-locked surface-emitting semiconductor lasers, Applied Physics B: Lasers and Optics 75, 445-451 (2002). (Southampton e-Print)

A. Garnache, S. Hoogland, A. C. Tropper, I. Sagnes, G. Saint-Girons, J. S. Roberts, Sub-500-fs soliton-like pulse in a passively mode-locked broadband surface-emitting laser with 100 mW average power, Applied Physics Letters 80, 3892-3894 (2002). (Southampton e-Print)

S. Hoogland, S. Dhanjal, A.C. Tropper, J.S. Roberts, R. Haring, R. Paschotta, F. Morier-Genoud, U. Keller, Passively Mode-Locked Diode-Pumped Surface-Emitting Semiconductor Laser, IEEE Photonics Technology Letters 12, 1135-1137 (2000). (Southampton e-Print)