Wilcox, Keith

Dr

  • Senior Lecturer (Teaching and Research), Physics
  • 1348 Citations
  • 21 h-Index
20042018
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Research Output 2004 2018

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Article
2018
5 Citations (Scopus)
70 Downloads (Pure)

27.5 W/m2 collection efficiency solar laser using a diffuse scattering cooling liquid

Smyth, C., Mirkhanov, S., Quarterman, A. & Wilcox, K., 20 May 2018, In : Applied Optics. 57, 15, p. 4008-4012 5 p.

Research output: Contribution to journalArticle

Open Access
File
solar-pumped lasers
liquid cooling
Scattering
Cooling
rods
2017
8 Citations (Scopus)
110 Downloads (Pure)

DBR-free semiconductor disc laser on SiC heatspreader emitting 10.1 W at 1007 nm

Mirkhanov, S., Quarterman, A. H., Kahle, H., Bek, R., Pecoroni, R., Smyth, C. J. C., Vollmer, S., Swift, S., Michler, P., Jetter, M. & Wilcox, K. G., 13 Nov 2017, In : Electronics Letters. 53, 23, p. 1537-1539 3 p.

Research output: Contribution to journalArticle

Open Access
File
Videodisks
Semiconductor materials
Distributed Bragg reflectors
Spreaders
Wavelength
2016
5 Citations (Scopus)
72 Downloads (Pure)

Measurements of nonlinear lensing in a semiconductor disk laser gain sample under optical pumping and using a resonant femtosecond probe laser

Quarterman, A. H., Mirkhanov, S., J. C. Smyth, C. & Wilcox, K. G., 19 Sep 2016, In : Applied Physics Letters. 109, 12, 4 p., 121113.

Research output: Contribution to journalArticle

Open Access
File
optical pumping
probes
refractivity
pumps
lasers
5 Citations (Scopus)
102 Downloads (Pure)

Non-Linear Lensing in an Unpumped Antiresonant Semiconductor Disk Laser Gain Structure

Shaw, E. A., Quarterman, A. H., Turnbull, A. P., Chen Sverre, T., Head, C. R., Tropper, A. C. & Wilcox, K. G., 1 Jul 2016, In : IEEE Photonics Technology Letters. 28, 13, p. 1395-1398 4 p.

Research output: Contribution to journalArticle

Open Access
File
Videodisks
picosecond pulses
Semiconductor quantum wells
Lenses
pulse duration
2015
14 Citations (Scopus)

Design of a solar-pumped semiconductor laser

Quarterman, A. H. & Wilcox, K. G., 16 Jan 2015, In : Optica. 2, 1, p. 56-61 6 p.

Research output: Contribution to journalArticle

Open Access
solar-pumped lasers
Semiconductor lasers
semiconductor lasers
Lasers
surface emitting lasers
20 Citations (Scopus)

Z-scan measurements of the nonlinear refractive index of a pumped semiconductor disk laser gain medium

Quarterman, A. H., Tyrk, M. & Wilcox, K. G., 9 Jan 2015, In : Applied Physics Letters. 106, 011105.

Research output: Contribution to journalArticle

refractivity
lasers
lenses
pumps
carrier injection
2014
16 Citations (Scopus)
151 Downloads (Pure)

Gigahertz pulse source by compression of mode-locked VECSEL pulses coherently broadened in the normal dispersion regime

Quarterman, A. H., Hooper, L. E., Mosley, P. J. & Wilcox, K. G., 12 May 2014, In : Optics Express. 22, 10, p. 12096-12101 6 p.

Research output: Contribution to journalArticle

Open Access
File
pulses
output
compressors
penalties
electronics
11 Citations (Scopus)
125 Downloads (Pure)

Photon-pair generation in photonic crystal fibre with a 1.5 GHz modelocked VECSEL

Morris, O. J., Francis-Jones, R. J. A., Wilcox, K. G., Tropper, A. C. & Mosley, P. J., 15 Sep 2014, In : Optics Communications. 327, p. 39-44 6 p.

Research output: Contribution to journalArticle

Open Access
File
Surface emitting lasers
Photonic crystals
surface emitting lasers
Photons
Four wave mixing
4 Citations (Scopus)
219 Downloads (Pure)

Saturated gain spectrum of VECSELs determined by transient measurement of lasing onset

Head, C. R., Wilcox, K. G., Turnbull, A. P., Morris, O. J., Shaw, E. A. & Tropper, A. C., 24 Mar 2014, In : Optics Express. 22, 6, p. 6919-6924 6 p.

Research output: Contribution to journalArticle

Open Access
File
lasing
quantum well lasers
penalties
electronics
continuous radiation
2013
135 Citations (Scopus)

4.35 kW peak power femtosecond pulse mode-locked VECSEL for supercontinuum generation

Wilcox, K. G., Tropper, A. C., Beere, H. E., Ritchie, D. A., Kunert, B., Heinen, B. & Stolz, W., 28 Jan 2013, In : Optics Express. 21, 2, p. 1599-1605 7 p.

Research output: Contribution to journalArticle

27 Citations (Scopus)

Supercontinuum generation with GHz repetition rate femtosecond-pulse fiber-amplified VECSELs

Head, C. R., Chan, H. Y., Feehan, J. S., Shepherd, D. P., Alam, S. U., Tropper, A. C., Price, J. H. V. & Wilcox, K. G., 18 Feb 2013, In : IEEE Photonics Technology Letters. 25, 5, p. 464-467 4 p., 6415992.

Research output: Contribution to journalArticle

Supercontinuum generation
Photonic crystal fibers
pulse repetition rate
Ultrashort pulses
fibers
2012
29 Citations (Scopus)

175 GHz, 400-fs-pulse harmonically mode-locked surface emitting semiconductor laser

Wilcox, K. G., Quarterman, A. H., Apostolopoulos, V., Beere, H. E., Farrer, I., Ritchie, D. A. & Tropper, A. C., 26 Mar 2012, In : Optics Express. 20, 7, p. 7040-7045 6 p.

Research output: Contribution to journalArticle

surface emitting lasers
semiconductor lasers
locking
harmonics
pulses
21 Citations (Scopus)

Terahertz emission by diffusion of carriers and metal-mask dipole inhibition of radiation

Barnes, M. E., McBryde, D., Daniell, G. J., Whitworth, G., Chung, A. L., Quarterman, A. H., Wilcox, K. G., Brewer, A., Beere, H. E., Ritchie, D. A. & Apostolopoulos, V., 9 Apr 2012, In : Optics Express. 20, 8, p. 8898-8906 9 p.

Research output: Contribution to journalArticle

masks
dipoles
radiation
metals
photoexcitation
4 Citations (Scopus)

Wetting-layer-pumped continuous-wave surface-emitting quantum-dot laser

Wilcox, K. G., Kbashi, H. J., Quarterman, A. H., Morris, O. J., Apostolopoulos, V., Henini, M. & Tropper, A. C., 1 Jan 2012, In : IEEE Photonics Technology Letters. 24, 1, p. 37-39 3 p., 6045318.

Research output: Contribution to journalArticle

Quantum dot lasers
Surface emitting lasers
surface emitting lasers
Surface waves
Semiconductor quantum dots
2011
2 Citations (Scopus)

Numerical simulation of optical Stark effect saturable absorbers in mode-locked femtosecond VECSELs using a modified two-level atom model

Quarterman, A. H., Carswell, S., Daniell, G. J., Mihoubi, Z., Wilcox, K. G., Chung, A. L., Apostolopoulos, V. & Tropper, A. C., 14 Dec 2011, In : Optics Express. 19, 27, p. 26783-26795 13 p.

Research output: Contribution to journalArticle

Stark effect
absorbers
pulses
atoms
simulation
26 Citations (Scopus)

Repetition-frequency-tunable mode-locked surface emitting semiconductor laser between 2.78 and 7.87 GHz

Wilcox, K. G., Quarterman, A. H., Beere, H. E., Ritchie, D. A. & Tropper, A. C., 2 Nov 2011, In : Optics Express. 19, 23, p. 23453-23459 7 p.

Research output: Contribution to journalArticle

surface emitting lasers
repetition
semiconductor lasers
tuning
pulse duration
23 Citations (Scopus)

Variable repetition frequency femtosecond-pulse surface emitting semiconductor laser

Wilcox, K. G., Quarterman, A. H., Beere, H. E., Ritchie, D. A. & Tropper, A. C., 27 Sep 2011, In : Applied Physics Letters. 99, 13, 3 p., 131107.

Research output: Contribution to journalArticle

surface emitting lasers
repetition
semiconductor lasers
tuning
pulses
2010
74 Citations (Scopus)

Conical refraction Nd:KGd(WO4)(2) laser

Abdolvand, A., Wilcox, K. G., Kalkandjiev, T. K. & Rafailov, E. U., 1 Feb 2010, In : Optics Express. 18, 3, p. 2753-2759 7 p.

Research output: Contribution to journalArticle

30 Citations (Scopus)
20 Downloads (Pure)

Gain bandwidth characterization of surface-emitting quantum well laser gain structures for femtosecond operation

Barnes, M. E., Mihoubi, Z., Wilcox, K. G., Quarterman, A. H., Farrer, I., Ritchie, D. A., Garnache, A., Hoogland, S., Apostolopoulos, V. & Tropper, A. C., 27 Sep 2010, In : Optics Express. 18, 20, p. 21330-21341 12 p.

Research output: Contribution to journalArticle

Open Access
File
quantum well lasers
surface emitting lasers
bandwidth
filters
absorbers
57 Citations (Scopus)

High peak power femtosecond pulse passively mode-locked vertical-external-cavity surface-emitting laser

Wilcox, K. G., Quarterman, A. H., Beere, H., Ritchie, D. A. & Tropper, A. C., 15 Jul 2010, In : IEEE Photonics Technology Letters. 22, 14, p. 1021-1023 3 p.

Research output: Contribution to journalArticle

21 Citations (Scopus)

Laser with simultaneous Gaussian and conical refraction outputs

Wilcox, K. G., Abdolvand, A., Kalkandjiev, T. K. & Rafailov, E. U., Jun 2010, In : Applied Physics B: Lasers and Optics. 99, 4, p. 619-622 4 p.

Research output: Contribution to journalArticle

25 Citations (Scopus)

Passively harmonically mode-locked vertical-external-cavity surface-emitting laser emitting 1.1 ps pulses at 147 GHz repetition rate

Quarterman, A. H., Perevedentsev, A., Wilcox, K. G., Apostolopoulos, V., Beere, H. E., Farrer, I., Ritchie, D. A. & Tropper, A. C., 2010, In : Applied Physics Letters. 97, 25, 3 p., 251101.

Research output: Contribution to journalArticle

surface emitting lasers
repetition
locking
cavities
pulses
2009
1 Citation (Scopus)

Capture and release of carriers in InGaAs/GaAs quantum dots

Turchinovich, D., Porte, P., Daghestani, N., Wilcox, K. G., Rafailov, E. U. & Uhd Jepsen, P., 1 Jan 2009, In : Journal of Physics: Conference Series. 193

Research output: Contribution to journalArticle

quantum dots
conductivity
decay
photoexcitation
time constant
16 Citations (Scopus)

Electronically controlled pulse duration passively mode-locked Cr: Forsterite laser

Zolotovskaya, S. A., Wilcox, K. G., Abdolvand, A., Livshits, D. A. & Rafailov, E. U., 15 Aug 2009, In : IEEE Photonics Technology Letters. 21, 16, p. 1124-1126 3 p.

Research output: Contribution to journalArticle

34 Citations (Scopus)

High-power quantum-dot-based semiconductor disk laser

Butkus, M., Wilcox, K. G., Rautiainen, J., Okhotnikov, O. G., Mikhrin, S. S., Krestnikov, I. L., Kovsh, A. R., Hoffmann, M., Suedmeyer, T., Keller, U. & Rafailov, E. U., 1 Jun 2009, In : Optics Letters. 34, 11, p. 1672-1674 3 p.

Research output: Contribution to journalArticle

27 Citations (Scopus)

Subpicosecond quantum dot saturable absorber mode-locked semiconductor disk laser

Wilcox, K. G., Butkus, M., Farrer, I., Ritchie, D. A., Tropper, A. & Rafailov, E. U., 22 Jun 2009, In : Applied Physics Letters. 94, 25, p. - 3 p., 251105.

Research output: Contribution to journalArticle

2008
28 Citations (Scopus)

Active stabilisation and timing jitter characterisation of sub-500fs pulse passively modelocked VECSEL

Quarterman, A. H., Wilcox, K. G., Elsmere, S. P., Mihoubi, Z. & Tropper, A. C., 16 Sep 2008, In : Electronics Letters. 44, 19, p. 1135-1137 3 p.

Research output: Contribution to journalArticle

Timing jitter
Frequency synthesizers
Surface emitting lasers
Phase locked loops
Laser pulses
34 Citations (Scopus)

All-semiconductor room-temperature terahertz time domain spectrometer

Mihoubi, Z., Wilcox, K. G., Elsmere, S., Quarterman, A., Rungsawang, R., Farrer, I., Beere, H. E., Ritchie, D. A., Tropper, A. & Apostolopoulos, V., 15 Sep 2008, In : Optics Letters. 33, 18, p. 2125-2127 3 p.

Research output: Contribution to journalArticle

bows
surface emitting lasers
antennas
spectrometers
bandwidth
8 Citations (Scopus)

Passively modelocked 832nm vertical-external-cavity surface-emitting semiconductor laser producing 15.3ps pulses at 1.9GHz repetition rate

Wilcox, K. G., Mihoubi, Z., Elsmere, S., Quarterman, A., Foreman, H. D., Hashimoto, S., Südmeyer, T., Keller, U. & Tropper, A., 12 Dec 2008, In : Electronics Letters. 44, 25, p. 1469-1470 2 p.

Research output: Contribution to journalArticle

Semiconductor saturable absorber mirrors
Surface emitting lasers
Semiconductor lasers
Laser pulses
Recovery
79 Citations (Scopus)

Ultrafast optical Stark mode-locked semiconductor laser

Wilcox, K. G., Mihoubi, Z., Daniell, G. J., Elsmere, S., Quarterman, A., Farrer, I., Ritchie, D. A. & Tropper, A., 2008, In : Optics Letters. 33, 23, p. 2797-2799 3 p.

Research output: Contribution to journalArticle

2006
92 Citations (Scopus)
24 Downloads (Pure)

High-power, high repetition rate picosecond and femtosecond sources based on Yb-doped fiber amplification of VECSELs

Dupriez, P., Finot, C., Malinowski, A., Sahu, J. K., Nilsson, J., Richardson, D. J., Wilcox, K. G., Foreman, H. D. & Tropper, A. C., 16 Oct 2006, In : Optics Express. 14, 21, p. 9611-9616 6 p.

Research output: Contribution to journalArticle

Open Access
File
repetition
fibers
pulses
pulse compression
picosecond pulses
25 Citations (Scopus)

Terahertz imaging system based on LT-GaAsSb antenna driven by all-semiconductor femtosecond source

Wilcox, K. G., Rutz, F., Wilk, R., Foreman, H. D., Roberts, J. S., Sigmund, J., Hartnagel, H. L., Koch, M. & Tropper, A. C., 28 Sep 2006, In : Electronics Letters. 42, 20, p. 1159-1161 3 p.

Research output: Contribution to journalArticle

Bolometers
Surface emitting lasers
Imaging systems
Laser pulses
Semiconductor materials
26 Citations (Scopus)

Timing jitter of 897 MHz optical pulse train from actively stabilised passively modelocked surface-emitting semiconductor laser

Wilcox, K. G., Foreman, H. D., Roberts, J. S. & Tropper, A. C., 2 Feb 2006, In : Electronics Letters. 42, 3, p. 159-160 2 p.

Research output: Contribution to journalArticle

Timing jitter
Pulse repetition rate
Laser resonators
Jitter
Semiconductor lasers