Department of
Electrical and Electronic Engineering
   
   
  
 

Image of Steve Bull

Steve Bull

Assistant Professor in Mobile Computer Engineering and Sensing Systems For Healthcare, Faculty of Engineering

Contact

Biography

Stephen Bull is a member of the Optics and Photonics research group.

Recent Publications

  • SCHIMMEL, G., DOYEN, I., JANICOT, S., HANNA, M., GEORGES, P., LUCAS-LECLIN, G., DECKER, J., CRUMP, P., ERBERT, G., KAUNGA-NYIRENDA, S., MOSS, D., BULL, S., LARKINS, E. C., WITTE, U. and TRAUB, M., 2016. High-power operation of coherently coupled tapered laser diodes in an external cavity
  • SCHIMMEL, G., DOYEN, I., JANICOT, S., RAMIREZ, L. P., HANNA, M., GEORGES, P., LUCAS-LECLIN, G., VILOKKINEN, V., MELANEN, P., UUSIMAA, P., DECKER, J., CRUMP, P., ERBERT, G., BULL, S., KAUNGA-NYIRENDA, S. and LARKINS, E. C., 2015. Separate phase-locking and coherent combining of two laser diodes in a Michelson cavity
  • HELAL, M. A., BULL, S., KAUNGA-NYIRENDA, S. N., LIM, J. J. and LARKINS, E. C., 2015. Self-consistent simulation of high-brightness diode lasers with external optical feedback
  • KAUNGA-NYIRENDA, S. N., BULL, S., LIM, J. J., HASLER, K. H., FRICKE, J. and LARKINS, E. C., 2014. Factors influencing brightness and beam quality of conventional and distributed Bragg reflector tapered laser diodes in absence of self-heating: IET Optoelectronics IET Optoelectronics. 8(2), 99-107
  • LARKINS, E. C., BULL, S., KAUNGA-NYIRENDA, S., HELAL, M. A., VILOKKINEN, V., UUSIMAA, P., CRUMP, P. and ERBERT, G., 2014. Design optimisation of high-brightness laser diodes for external cavity operation in the BRIDLE project
  • KAUNGA-NYIRENDA, S. N., DIAS, H. K., LIM, J. J., BULL, S., MALAGUTI, S., BELLANCA, G. and LARKINS, E. C., 2014. Design and simulation of high-speed nanophotonic electro-optic modulators
  • HELAL, M.A., BULL, S., KAUNGA-NYIRENDA, S.N., LIM, J.J. and LARKINS, E.C., 2013. Simulation of high-brightness diode lasers with optical feedback from modules and systems In: 6th International Conference on High Power Diode Lasers and Systems. 14-15
  • BULL, S., KAUNGA-NYIRENDA, S.N. and LARKINS, E.C., 2013. Design considerations for high-power external cavity laser diodes In: 6th International Conference on High Power Diode Lasers and Systems,. 6-7
  • S. BULL, E.C. LARKINS, T. BRAND, A. UNGER, M. TRAUB, S. HENGESBACH, P. UUSIMAA, V. VILOKKINEN, P. CRUMP, G. ERBERT, G. LUCAS-LECLIN, P. GEORGES, T. RATAJ and E. DEICHSEL, 2012. The BRIDLE Project: High brilliance diode lasers for industrial applications In: Institute of Physics - The Celebration of the 50th Anniversary of the Diode Laser.
  • S.N. KAUNGA-NYIRENDA, S. BULL, J.J. LIM and E.C. LARKINS, 2012. Design and simulation of next generation high-brightness laser diodes and bars In: Institute of Physics - The Celebration of the 50th Anniversary of the Diode Laser. 18-19
  • S. BULL, J.J. LIM, C.K. AMUZUVI, J.W. TOMM, J. NAGLE, B. SUMPF, G. ERBERT, N. MICHEL, M. KRAKOWSKI and E.C. LARKINS, 2012. Emulation of the operation and degradation of high-power laser bars using simulation tools (Invited) Semiconductor Science and Technology. 27(9), 094012
  • KAUNGA-NYIRENDA, S., LIM, J. J., BULL, S. and LARKINS, E. C., 2011. Elimination of Numerical Underflow in the Modelling of Optoelectronic Devices using Multiple Precision In: Proceedings of the 11th International Conference on Numerical Simulation of Optoelectronic Devices , 5th - 8th September 2011, Rome.. 115-116
  • LU, W., LIM, J. J., BULL, S., ANDRIANOV, A., STADDON, C., FOXON, C. T., SADEGHI, M., WANG, S. M., LARSSON, A. and LARKINS, E. C., 2009. Independent Determination of In and N Concentrations in GaInNAs Alloys Semiconductor Science and Technology. 24(10), Art. No. 105016.
  • LIM, J. J., SUJECKI, S., LANG, L., ZHANG, Z., PABOEUF, D., PAULIET, G., LUCAS-LECLIN, G., GEORGES, P., MACKENZIE, R., BREAM, P., BULL, S., HASLER, K. H., SUMPF, B., WENZEL, H., ERBERT, G., THESTRUP, B., PETERSEN, P. M., MICHEL, N., KRAKOWSKI, M. and LARKINS, E. C., 2009. Design and Simulation of Next-generation High-Power, High-Brightness Laser Diodes IEEE Journal of Selected Topics in Quantum Electronics. 15(3), 993 - 1008
  • AMUZUVI, C. K., BULL, S., LIM, J. J., SUJECKI, S. and LARKINS, E. C., 2009. Numerical Emulation of the Degradation of 975nm High Power Tapered Laser Bars In: Invited paper at the 2nd High Power Diode Lasers and Systems Meeting (HPDLS), Coventry, UK, October 2009.
  • LANG, L., LIM, J. J., BULL, S., THESTRUP, B., SUJECKI, S., MICHEL, N., PETERSEN, P. M., KRAKOWSKI, M. and LARKINS, E. C., 2009. Asymmetric Feedback External Cavity Laser Diodes: Comparison of Experiment and Simulation In: 2nd High Power Diode Lasers and Systems Meeting (HPDLS), Coventry UK, October 2009.
  • LU, W., BULL, S., LIM, J. J., MACKENZIE, R., SUJECKI, S., ANDRIANOV, A., SADEGHI, M., WANG, S. M., LARSSON, A., MELANEN, P., SIPILA, P., UUSIMAA, P., FOXON, C. T. and LARKINS, E. C., 2009. Reliability Assessment and Degradation Analysis of 1.3um GaInNAs Lasers Journal of Applied Physics. 106(9), 093110-1 to 093110-7
  • LIM, J. J., MACKENZIE, R., LANG, L., ZHANG, Z., BULL, S., BREAM, P.' LARKINS, E. and SUJECKI, S., 2008. State of the Art in High Brightness Laser Diode Simulation at the University of Nottingham In: Photonex '08, Coventry, U.K. October 2008.
  • BULL, S., AMUZUVI, C., TOMM, J. W., XIA, R., LIM, J. J., SUJECKI, S. and LARKINS, E., 2008. By Emitter Degradation Analysis in High Power Laser Bars: Experiment and Emulation In: Photonex '08, Coventry, UK. October 2008.
  • MACKENZIE, R., BULL, S., LIM, J. J., CHAO, S., SUJECKI, S., SADEGHI, M., WANG, S. M., LARSSON, A., MELANEN, P., SIPILA, P., UUSIMAA, P. and LARKINS, E. C., 2008. Thermally Dependent Gain of 1.3 um Dilute Nitride Double Quantum Well Lasers Physica Status Solidi (C) - Conferences and Critical Reviews. 5(2), 490-494
  • MACKENZIE, R., LIM, J. J., BULL, S., SUJECKI, S. and LARKINS, E. C., 2008. Inclusion of Thermal Boundary Resistance in the Simulation of High-Power 980nm Ridge Waveguide Lasers Optical and Quantum Electronics. 40(1), 373-377
  • MACKENZIE, R., LIM, J. J., BULL, S., SUJECKI, S. and LARKINS, E. C., 2008. An Investigation of Thermal Boundary Resistance in 1.3 um Edge-Emitting Dilute Nitride Quantum Well Laser Diodes Physica Status Solidi C: Current Topics in Solid State Physics. 5(2), 485-489
  • LU, W., CHAO, S., BULL, S., ANDRIANOV, A. V., GRANT, V. A., CAMPION R. P., FOXON, C. T., SADEGHI, M., WANG, S. M., LARSSON, A. and LARKINS, E. C., 2008. Photoluminescence Microscopy Investigation of Lattice Relaxation and Defect Formation Processes in Pseudomorphically Strained InGaAsN Multiple Quantum Wells Physica Status Solidi C - Current Topics in Solid State Physics. 5(2), 467 - 472
  • BULL. S., TOMM, J. W. and LARKINS, E. C., 2008. Identification of Degradation Mechanisms in High-Power Laser Bars using By-Emitter Degardation Studies Journal of Materials Science: Materials in Electronics. 19, S145 - S149
  • MACKENZIE, R., LIM, J. J., BULL, S., SUJECKI, S. and LARKINS, E. C., 2007. An Investigation of Thermal Boundary Resistance in 1.3 um Dilute Nitride Quantum Well Lasers In: Proceedings of the E-MRS Spring Meeting, Sumposium F Novel Gain Materials and Devices based on III-V Compounds, Strasbourg, June 1st 2007..
  • BREAM, B., MACKENZIE, R., LIM, J. J., BULL, S., ANDRIANOV, KENT, A. J., SUJECKI, S. and LARKINS, E. C., 2007. Nonequilibrium Gain and Nonlinear Optical Response of QWs In: European Semiconductor Laser Workshop, Berlin, WIAS Institute, 20th November 2007..
  • MACKENZIE, R., LIM, J. J., BULL, S., CHAO, S., SUJECKI, S., SADEGHI, M., WANG, S. M., LARSSON, A., MELANEN, P., SIPILA, P., UUSIMAA, P. and LARKINS, E. C., 2007. Measurement of Optical Gain, Effective Group Index and Linewidth Enhancement Factor in 1.3um Dilute Nitride Double-Quantum-Well Lasers In: IOP/SIOE GaInNAs One Day Meeting, Cardiff, April 2nd 2007..
  • MACKENZIE, R., LIM, J. J., BULL, S., CHAO, S., SUJECKI, S., SADEGHI, M., WANG, S. M., LARSSON, A., MELANEN, P., SIPILA, P., UUSIMAA, P. and LARKINS, E. C., 2007. Measurement of Optical Gain, Effective Group Index and Linewidth Enhancement Factor in 1.3um Dilute Nitride Double-Quantum-Well Lasers IET Journal of Optoelectronics. 1(6), 284 - 288
  • MACKENZIE, R., LIM, J. J., BULL, S., SUJECKI, S. and LARKINS, E. C., 2007. The Impact of Thermal Boundary Resistance in Optoelectronic Devices In: Proceedings of the International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD '07). 15 - 16
  • MACKENZIE, R., LIM, J. J., BULL, S., DYKEMAN, R., SUJECKI, S., LARKINS, E. C., SADEGHI, M., WANG, S. M., LARSSON, A., MELANEN, P., SIPILA, P. and UUSIMAA, P., 2007. Thermal Performance of 1.3 um InGaAsN/GaAs Laser Diodes In: Proceedings of the European Semiconductor Laser Workshop, Berlin, September 14th - 15th 2007..
  • MACKENZIE, R., LIM, J. J., BULL, S., CHAO, S., SUJECKI, S., SADEGHI, M., WANG, S. M., LARSSON, A., MELANEN, P., SIPILA, P., UUSIMAA, P. and LARKINS, E. C., 2007. Thermally Dependent Gain of 1.3 um Dilute Nitride Double Quantum Well Lasers In: Proceedings of the E-MRS Spring Meeting, Symposium F Novel Gain Materials and Devices Based on III-V Compounds. Strasbourg, 31st May 2007..
  • OUDART, O., NAGLE, J., TOMM, J.W., LARKINS, E.C. and BULL, S., 2007. Failure Prediction of High-Power Laser Bars. In: TOMM, J.J AND JIMENEZ, ed., Screening and Packaging Techniques for Highly Reliable Quantum-Well High-Power Laser Arrays McGraw-Hill Publishing Co..
  • BULL, S, BAEUMLER, M, JIMENEZ, J and LARKINS, E.C., 2007. Laser facet inspection by imaging techniques. In: TOMM, J.J and JIMENEZ, J., eds., Screening and Packaging Techniques for Highly Reliable Quantum-Well High-Power Laser Arrays McGaw-Hill Publishing Co. (In Press.)
  • TOMM, J.W., JIMENEZ, J., OUDART, M., NAGLE, J., LARKINS, E.C. and BULL, S., 2007. Degradation Modes and Related Defects in High-Power Laser Bars. In: TOMM, J.J AND JIMENEZ, ed., Screening and Packaging Techniques for Highly Reliable Quantum-Well High-Power Laser Arrays McGraw-Hill Publishing Co..
  • BREAM, P.J., LIM, J.J., BULL, S., ANDRIANOV, A.V., SUJECKI, S. and LARKINS, E.C., 2006. The impact of nonequilibrium gain in a spectral laser diode model Optical and Quantum Electronics. 38(12-14), 1019-1027
  • BULL, S., ANDRIANOV, A.V., WYKES, J.G., LIM, J.J., SUJECKI, S., AUZANNEAU, S.C., CALLIGARO, M., LECOMTE, M., PARILLAUD, O., KRAKOWSKI, M. and LARKINS, E.C., 2006. Quantitative imaging of intracavity spontaneous emission distributions using tapered lasers with windowed backside contacts IEE Proceedings - Optoelectronics. 153, 2 - 7
  • BULL, S., TOMM, J.W., OUDART, M., NAGLE, J., SCHOLZ, C., BOUCKE, K., HARRISON, I. and LARKINS, E.C., 2005. By-emitter degradation analysis of high-power laser bars Journal of Applied Physics. 98, 063101
  • BREAM, P.J, BULL, S., HARRISON, I., SUJECKI, S. and LARKINS, E.C., 2005. Fourier transform analysis method for modeling the positions and properties of cavity defects in Fabry–Pérot laser diodes Applied Physics Letters. 86, 061104
  • ANDRIANOV, A. V., NOVIKOV, S. V., ZHURAVLEV, I. S., LI, T., XIA, R., BULL, S., HARRISON, I., LARKINS, E. C. and FOXON, C. T., 2005. Efficient Near IR Photoluminescence from Gallium Nitride Layers Doped with Arsenic Semiconductors. VOL 39(NUMB 1), 73-76
  • BULL, S., ANDRIANOV, A.V., HARRISON, I., DORIN, M., KERR, R.B., NOTO, J. and LARKINS, E.C., 2005. A spectroscopically resolved photo- and electroluminescence microscopy technique for the study of high-power and high-brightness laser diodes IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT. 54(3), 1079 - 1088
  • BULL, S., ANDRIANOV, A.V., HARRISON, I. and LARKINS, E.C., 2004. The study of strain and defects in high power laser diodes by spectroscopically resolved photoluminescence microscopy European Physical Journal - Applied Physics. 27(1 - 3), 469 - 473
  • BULL, S., WYKES, J.G., ANDRIANOV, A.V., LIM, J.J., BORRUEL, L., SUJECKI, S., AUZANNEAU, S.C., CALLIGARO, M., KRAKOWSKI, M., ESQUIVIAS, I. and LARKINS, E.C., 2004. Imaging of spontaneous emission from 980 nm tapered lasers with windowed N-contacts European Physical Journal - Applied Physics. 27(1-3), 455-459
  • ANDRIANOV, A. V., NOVIKOV, S. V., LI, T., XIA, R., BULL, S., HARRISON, I., LARKINS, E. C. and FOXON, C. T., 2003. Photoluminescence from self-assembled GaAs inclusions embedded in a GaN host crystal Physica Status Solidi B: Basic Research. VOL 238(PART 1), 204-212
  • XIA, R., ANDRIANOV, A.V., BULL, S., HARRISON, I., LANDESMAN, J.P. and LARKINS, E.C., 2003. Micro-electroluminescence spectroscopy investigation of mounting-induced strain and defects on high power GaAs/AlGaAs laser diodes Optical and Quantum Electronics. 35(12), 1099 - 1106
  • BREAM,P.J., BULL,S., XIA,R., ANDRIANOV,A.V., HARRISON,I. and LARKINS,E.C., 2003. The influence of defects on the emission spectra of high power laser diodes In: Lasers and Electro-Optics Europe, 2003. CLEO/Europe. 2003. 177
  • ANDRIANOV, A.V., NOVIKOV, S.V., LI, T., XIA, R., BULL, S., ZHURAVLEV, I.S., HARRISON, I., LARKINS, E.C. and FOXON, C.T., 2003. Luminescence from GaAs nanocrystals self-organised in GaN:As matrix grown by MBE In: Abstracts of VI Russian Conference on Physics of Semiconductors. 159-
  • BULL, S., ANDRIANOV, A.V., HARRISON, I. and LARKINS, E.C., 2003. Development of a spectroscopically resolved photoluminescence microscopy technique for studying strain and defects in high power laser diodes In: Europhysics Conference Abstracts - CLEO Europe 2003. CC4-04-MON-
  • ANDRIANOV,A.V., XIA,R., BULL,S., WINSER,A.J., STADDON,C.R., HARRISON,I. and LARKINS,E.C., 2002. Near-infrared emission from MBE grown As-doped GaN In: Proceedings of the 26th International Conference on the Physics of Semiconductors.

Department of Electrical and Electronic Engineering

The University of Nottingham
University Park
Nottingham, NG7 2RD


telephone: +44 (0) 115 95 14081