Publications

Journal Articles

  1. A Review of Emerging Analytical Techniques for Objective Physical Activity Measurement in Humans. Sports Medicine
  2. & Profiling Movement and Gait Quality Characteristics in Pre-School Children. Journal of Motor Behavior, 1-9.
  3. & Spatially-resolved profiling of carbon nanotube uptake across cell lines. Nanoscale 9(20), 6800-6807.
  4. & Profiling movement quality and gait characteristics according to body-mass index in children (9–11 y). Human Movement Science 49, 291-300.
  5. & Carbon nanotubes' surface chemistry determines their potency as vaccine nanocarriers in vitro and in vivo. Journal of Controlled Release 225, 205-216.
  6. & Quantifying the cellular uptake of semiconductor quantum dot nanoparticles by analytical electron microscopy. Journal of Microscopy, n/a-n/a.
  7. & Label-free cell cycle analysis for high-throughput imaging flow cytometry. Nature Communications 7, 10256
  8. & Multiscale benchmarking of drug delivery vectors. Nanomedicine: Nanotechnology, Biology and Medicine 12(7), 1843-1851.
  9. & Reduced Cationic Nanoparticle Cytotoxicity Based on Serum Masking of Surface Potential. Journal of Biomedical Nanotechnology 12(1), 154-164.
  10. & Radiofrequency treatment alters cancer cell phenotype. Scientific Reports 5, 12083
  11. & Poisson-event-based analysis of cell proliferation. Cytometry Part A 87(5), 385-392.
  12. & Statistical prediction of nanoparticle delivery: from culture media to cell. Nanotechnology 26(15), 155101
  13. & Statistical prediction of nanoparticle delivery: from culture media to cell. Nanotechnology 26(15), 155101
  14. et. al. A New Imaging Platform for Visualizing Biological Effects of Non-Invasive Radiofrequency Electric-Field Cancer Hyperthermia. PLOS ONE 10(8), e0136382
  15. & Poisson-event-based analysis of cell proliferation. Cytometry Part A 87(5), 385-392.
  16. Davies, N., Summers, H.D., Holton, M.D., Brown, M.R., Wills, J.W., Holland, P.M. Development of an Optically Transparent Silicon CMOS Technology Platform for Biological Analysis. IEEE Sensors Journal 15, 1-1.
  17. Hondow, N., Brown, A., Summers, H.D., Rowan Brown, M., Rees, P., Holton, M.D., Brydson, R. Quantifying Nanoparticle–Cell Interactions. Microscopy and Microanalysis 20(S3), 1300-1301.
  18. Tonkin, J.A., Shamsudeen, S., Brown, M.R., Serda, R.E., Rees, P., Summers, H.D. Optical tracking of drug release from porous silicon delivery vectors. IET Optoelectronics 8(2), 113-116.
  19. Margulis, K., Srinivasan, S., Ware, M.J., Summers, H.D., Godin, B., Magdassi, S. Active curcumin nanoparticles formed from a volatile microemulsion template. Journal of Materials Chemistry B 2(24), 3745
  20. & Nanoparticle vesicle encoding for imaging and tracking cell populations. Nature Methods 11(11), 1177-1181.
  21. & Analysis of the Influence of Cell Heterogeneity on Nanoparticle Dose Response. ACS Nano 8(7), 6693-6700.
  22. Summers, H.D., Brown, M.R., Holton, M.D., Tonkin, J.A., Hondow, N., Brown, A.P., Brydson, R., Rees, P. Quantification of Nanoparticle Dose and Vesicular Inheritance in Proliferating Cells. ACS Nano 7(7), 6129-6137.
  23. Begum, J., Day, W., Henderson, C., Purewal, S., Cerveira, J., Summers, H., Rees, P., Davies, D., Filby, A. A method for evaluating the use of fluorescent dyes to track proliferation in cell lines by dye dilution. Cytometry Part A 83(12), 1085-1095.
  24. Hondow, N., Wang, P., Brydson, R., Holton, M.D., Rees, P., Summers, H.D., Brown, A. TEM analysis of nanoparticle dispersions with application towards the quantification ofin vitrocellular uptake. Journal of Physics: Conference Series 371, 012020
  25. Ferrati, S., Shamsudeen, S., Summers, H.D., Rees, P., Abbey, J.V.A., Schmulen, J., Liu, X., Wong, S.T.C., Bean, A.J., Ferrari, M., Serda, R.E. Inter-endothelial Transport of Microvectors using Cellular Shuttles and Tunneling Nanotubes. Small 8(20), 3151-3160.
  26. Summers, H. Bionanoscience: Nanoparticles in the life of a cell. Nature Nanotechnology 7(1), 9-10.
  27. & Automated Cell Identification and Tracking Using Nanoparticle Moving-Light-Displays. PLoS ONE 7(7), e40835
  28. & Statistical analysis of nanoparticle dosing in a dynamic cellular system. Nature Nanotechnology 6(3), 170-174.
  29. A transfer function approach to measuring cell inheritance. BMC Systems Biology
  30. Filby, A., Perucha, E., Summers, H., Rees, P., Chana, P., Heck, S., Lord, G.M., Davies, D. An imaging flow cytometric method for measuring cell division history and molecular symmetry during mitosis. Cytometry Part A 79 A(7), 496-506.
  31. Naidu, D., Smowton, P.M., Summers, H.D. The measured dependence of the lateral ambipolar diffusion length on carrier injection-level in Stranski-Krastanov quantum dot devices. Journal of Applied Physics 108(4), 043108
  32. Summers, H. Can cells reduce nanoparticle toxicity?. Nano Today 5(2), 83-84.
  33. Wu, J., Summers, H.D. An efficient approach to characterizing and calculating carrier loss due to heating and barrier height variation in vertical-cavity surface-emitting lasers. Chinese Physics B 19(1), 014213-6.
  34. & Single cell nanoparticle tracking to model cell cycle dynamics and compartmental inheritance. Cell Cycle 9(1), 121-130.
  35. & Analysis of quantum dot fluorescence stability in primary blood mononuclear cells. Cytometry Part A 77A(10), 933
  36. & Flow-Based Cytometric Analysis of Cell Cycle via Simulated Cell Populations. PLoS Computational Biology 6(4), e1000741
  37. Long-term time series analysis of quantum dot encoded cells by deconvolution of the autofluorescence signal. Cytometry Part A
  38. & Self-pulsing 1050 nm quantum dot edge emitting laser diodes. Applied Physics Letters 95(10), 101111
  39. & Stroboscopic fluorescence lifetime imaging. Optics Express 17(7), 5205-5216.
  40. Fluorescence lifetime based contrast imaging using variable period excitation pulse trains.
  41. Wu, J., Summers, H.D. Analytical modelling of end thermal coupling in a solid-state laser longitudinally bonded by a vertical-cavity top-emitting laser diode. Chinese Physics B 18(11), 4912-4918.
  42. Cell-population tracking using quantum dots in flow cytometry.
  43. Summers, H.D., Rees, P., Matthews, D.R., Edwards, G.T., Brown, M.R., Cundin, M., Dominguez, J., Lewis, G.M. The Influence of the Gain&#x2014;Carrier Density Characteristic on <formula formulatype="inline"><tex>$Q$</tex></formula>-Switching in Quantum-Dot Lasers. IEEE Journal of Selected Topics in Quantum Electronics 13(5), 1222-1226.
  44. Matthews, D.R., Summers, H.D., Njoh, K., Chappell, S., Errington, R., Smith, P. Optical antenna arrays in the visible range. Optics Express 15(6), 3478
  45. Blood, P., Pask, H., Summers, H.D., Sandall, I. Localized Auger Recombination in Quantum-Dot Lasers. IEEE Journal of Quantum Electronics 43(12), 1140-1146.
  46. Chong, E.Z., Matthews, D.R., Summers, H.D., Njoh, K.L., Errington, R.J., Smith, P.J. Development of FRET-Based Assays in the Far-Red Using CdTe Quantum Dots. Journal of Biomedicine and Biotechnology 2007, 1-7.
  47. Summers, H.D., Rees, P. Derivation of a modified Fermi-Dirac distribution for quantum dot ensembles under nonthermal conditions. Journal of Applied Physics 101(7), 073106
  48. Brown, M.R., Rees, P., Wilks, S., Holton, M., Dunstan, P., Summers, H.D., Chong, Z. Calculation of quantum-dot blinking using the Gillespie Monte Carlo algorithm. IET Optoelectronics 1(6), 280-283.
  49. Matthews, D.R., Summers, H.D., Njoh, K., Errington, R.J., Smith, P.J., Barber, P., Ameer-Beg, S., Vojnovic, B. Technique for measurement of fluorescence lifetime by use of stroboscopic excitation and continuous-wave detection. Applied Optics 45(9), 2115
  50. Porta, P.A., Harries, M., Summers, H.D. Surface plasmon mediated emission in resonant-cavity light-emitting diodes. Applied Physics Letters 89(12), 121120
  51. Harries, M.D., Summers, H.D. Directional Control of Light-Emitting-Diode Emission Via a Subwavelength-Apertured Metal Surface. IEEE Photonics Technology Letters 18(21), 2197-2199.
  52. Porta, P.A., Summers, H.D. Vertical-cavity semiconductor devices for fluorescence spectroscopy in biochips and microfluidic platforms. Journal of Biomedical Optics 10(3), 034001
  53. Summers, H.D., Porta, P.A. Resonant-cavity optoelectronic devices for fluorimetry. IEEE Journal of Selected Topics in Quantum Electronics 11(4), 854-857.
  54. Pask, H.J., Summers, H.D., Blood, P. Light-current characteristics of quantum dots with localized recombination. Applied Physics Letters 87(8), 083109
  55. Matthews, D.R., Summers, H.D., Smowton, P.M., Blood, P., Rees, P., Hopkinson, M. Dynamics of the wetting-Layer-quantum-dot interaction in InGaAs self-assembled systems. IEEE Journal of Quantum Electronics 41(3), 344-350.
  56. Porta, P.A., Summers, H.D. Vertical-cavity semiconductor devices for generation and detection of fluorescence emission on a single chip. Applied Physics Letters 85(11), 1889
  57. Summers, H.D., Matthews, D.R., Smowton, P.M., Rees, P., Hopkinson, M. Laser dynamics in self-pulsating quantum dot systems. Journal of Applied Physics 95(3), 1036
  58. Owen, A., Rees, P., Pierce, I., Matthews, D., Summers, H.D. Theory of Q-switching in a quantum-dot laser diode. IEE Proceedings - Optoelectronics 150(2), 152-158.
  59. Pierce, I., Summers, H.D., Rees, P., Jones, D.R. Multi-mode self-pulsation in laser diodes with epitaxially integrated saturable absorbers: mode competition and carrier dynamics. IEE Proceedings - Optoelectronics 150(2), 159-162.
  60. Blood, P., Lewis, G.M., Smowton, P.M., Summers, H., Thomson, J., Lutti, J. Characterization of semiconductor laser gain media by the segmented contact method. IEEE Journal of Selected Topics in Quantum Electronics 9(5), 1275-1282.
  61. Matthews, D.R., Summers, H.D., Smowton, P.M., Hopkinson, M. Experimental investigation of the effect of wetting-layer states on the gain–current characteristic of quantum-dot lasers. Applied Physics Letters 81(26), 4904
  62. Lewis, G.M., Smowton, P.M., Thomson, J.D., Summers, H.D., Blood, P. Measurement of true spontaneous emission spectra from the facet of diode laser structures. Applied Physics Letters 80(1), 1
  63. Summers, H.D., Thomson, J.D., Smowton, P.M., Blood, P., Hopkinson, M. Thermodynamic balance in quantum dot lasers. Semiconductor Science and Technology 16(3), 140-143.
  64. Thomson, J.D., Summers, H.D., Smowton, P.M., Herrmann, E., Blood, P., Hopkinson, M. Temperature dependence of the lasing wavelength of InGaAs quantum dot lasers. Journal of Applied Physics 90(9), 4859
  65. Summers, H.D., Smowton, P.M., Blood, P., Dineen, M., Perks, R.M., Bour, D.P., Kneissel, M. Spatially and spectrally resolved measurement of optical loss in InGaN laser structures. Journal of Crystal Growth 230(3-4), 517-521.
  66. Jones, D.R., Rees, P., Pierce, I., Summers, H.D. Power output of 650-nm self-pulsating AlGaInP laser diodes for optical storage applications. IEEE Journal of Quantum Electronics 37(12), 1632-1635.
  67. Smowton, P.M., Herrmann, E., Ning, Y., Summers, H.D., Blood, P., Hopkinson, M. Optical mode loss and gain of multiple-layer quantum-dot lasers. Applied Physics Letters 78(18), 2629
  68. Wu, J., Iordache, G., Summers, H.D., Roberts, J.S. Optical characteristics of VCSEL pumped microchip lasers. Optics Communications 196(1-6), 251-256.
  69. Ivanov, A.L., Summers, H.D., Smowton, P.M., Blood, P. Long-Range Interface-Photon-Mediated Interactions between Self-Assembled Quantum Dots. physica status solidi (b) 224(3), 781-786.
  70. Jones, D.R., Rees, P., Pierce, I., Summers, H.D. Investigation of changes in absorber position in the 650 nm AlGaInP self-pulsating laser for optical storage applications. IEE Proceedings - Optoelectronics 148(1), 65-68.
  71. Summers, H.D., Wu, J., Roberts, J.S. Experimental investigation of thermally induced power saturation in vertical-cavity surface-emitting lasers. IEE Proceedings - Optoelectronics 148(5), 261-265.
  72. Herrmann, E., Smowton, P.M., Summers, H.D., Thomson, J.D., Hopkinson, M. Modal gain and internal optical mode loss of a quantum dot laser. 77
  73. Jones, D.R., Rees, P., Pierce, I., Summers, H.D. Theoretical optimization of self-pulsating 650-nm-wavelength AlGaInP laser diodes. IEEE Journal of Selected Topics in Quantum Electronics 5(3), 740-744.
  74. Smowton, P.M., Johnston, E.J., Dewar, S.V., Hulyer, P.J., Summers, H.D., Patanè, A., Polimeni, A., Henini, M. Spectral analysis of InGaAs/GaAs quantum-dot lasers. 75
  75. Summers, H.D., Molloy, C.H., Smowton, P.M., Rees, P., Pierce, I., Jones, D.R. Experimental analysis of self-pulsation 650-nm-wavelength AlGaInP laser diodes with epitaxial absorbing layers. IEEE Journal of Selected Topics in Quantum Electronics 5(3), 745-749.
  76. Thomson, J.D., Summers, H.D., Hulyer, P.J., Smowton, P.M., Blood, P. Determination of single-pass optical gain and internal loss using a multisection device. 75
  77. Smowton, P.M., Lewis, G.M., Yin, M., Summers, H.D., Berry, G., Button, C.C. 650-nm lasers with narrow far-field divergence with integrated optical mode expansion layers. IEEE Journal of Selected Topics in Quantum Electronics 5(3), 735-739.
  78. Summers, H.D., Berry, G.M., Lewis, G.W., Blood, P. Spontaneous emission control in quantum well laser diodes. 2
  79. Summers, H.D., Rees, P. High-temperature operation of 650-nm wavelength AlGaInP self-pulsating laser diodes. IEEE Photonics Technology Letters 10(9), 1217-1219.
  80. Summers, H.D., Rees, P. Thermal limitation of self-pulsation in 650 nm AlGaInP laser diodes with an epitaxially integrated absorber. 71
  81. Zhu, B., White, I.H., Penty, R.V., Wonfor, A., Lach, E., Summers, H.D. Theoretical analysis of timing jitter in monolithic multisection mode-locked DBR laser diodes. IEEE Journal of Quantum Electronics 33(7), 1216-1220.
  82. Raddatz, L., White, I.H., Summers, H.D., Hahn, K.H., Tan, M.R., Wang, S.-Y. Measurement of guiding effects in vertical-cavity surface-emitting lasers. IEEE Photonics Technology Letters 8(6), 743-745.
  83. Summers, H.D., Rees, P. Experimental investigation of the differential gain in semiconductor lasers and its influence on Q-switching performance. 69
  84. Dowd, P., Summers, H.D., White, I.H., Tan, M.R.T., Houng, Y.M., Wang, S.Y. Measurement of differential gain and linewidth enhancement factor of InGaAs vertical cavity surface emitting laser. Electronics Letters 31(7), 557-559.
  85. Summers, H.D., Dowd, P., White, I.H., Tan, M.R.T. Calculation of differential gain and linewidth enhancement factor in 980-nm InGaAs vertical cavity surface-emitting lasers. IEEE Photonics Technology Letters 7(7), 736-738.
  86. Smowton, P.M., Summers, H.D., Rees, P., Blood, P. Threshold current of 670-nm AlGaInP strained quantum well lasers. IEEE Photonics Technology Letters 6(8), 910-912.
  87. Summers, H.D., Blood, P. Strain effects in (AlyGa1-y)xIn1-xP lasers operating at fixed threshold gain. Electronics Letters 30(3), 236-238.
  88. Smowton, P.M., Summers, H.D., Rees, P., Blood, P. Optimisation of 670 nm strained-quantum-well laser diodes for high-temperature operation. IEE Proceedings - Optoelectronics 141(2), 136-140.
  89. Summers, H.D., White, I.H. Measurement of the static and dynamic linewidth enhancement factor in strained 1.55 µm InGaAsP lasers. Electronics Letters 30(14), 1140-1141.
  90. Summers, H.D., Blood, P. Room temperature operation of ultrashort wavelength (619nm) AlGaInP/GaInP tensile strained quantum well lasers. 29
  91. Summers, H.D., Blood, P., Rees, P. Gain-current characteristics of strained AlGaInP quantum well lasers. Applied Physics Letters 63(20), 2792
  92. Rees, P., Summers, H.D., Blood, P. Gain-current calculations for bulk GaInP lasers including many-body effects. Applied Physics Letters 59(27), 3521

Books

  1. Summers, H. Nanomedicine.
  2. Summers, H. Nanomedicine.
  3. Brown, M.R., Rees, P., Wilks, S., Summers, H.D., Errington, R.J., Njoh, K.L., Chappell, S.C., Smith, P.J., Leary, J.F. Computational simulation of optical tracking of cell populations using quantum dot fluorophores.

Conference Contributions

  1. Michell, G.J., Smowton, P.M., Summers, H.D. (2010). Manipulation of optical modes in quantum dot laser diodes by selective oxidation of high aluminum content AlGaAs layers. doi:10.1117/12.846843
  2. Naidu, D., Smowton, P.M., Summers, H.D. (2010). Carrier injection-level dependence of lateral ambipolar diffusion in S-K quantum-dot lasers. doi:10.1109/ISLC.2010.5642750
  3. Liu, H., Smowton, P., Edwards, G., Drexler, W., Summers, H. (2009). Self pulsing quantum dot lasers for optical coherence tomography. doi:10.1117/12.813504
  4. Grafton, M., Reece, L.M., Irazoqui, P.P., Jung, B., Summers, H.D., Bashir, R., Leary, J.F. (2008). Design of a multi-stage microfluidics system for high-speed flow cytometry and closed system cell sorting for cytomics. doi:10.1117/12.764037
  5. Summers, H.D., Errington, R.J., Smith, P., Matthews, D.R., Leary, J.F. (2008). Cytometric biochips with optically active surfaces for spatial engineering of fluorescence excitation. doi:10.1117/12.763645
  6. Summers, H.D., Matthews, D.R., Errington, R.J., Njoh, K.L., Smith, P.J., Goater, A.D., Burt, J.P.H., Rizvi, N.H., Menachery, A., Morris, D.J. (2007). Semiconductor light-emitting devices with in-built bioreaction chambers. doi:10.1117/12.700411
  7. Naidu, D.S., Mexis, M., Sobiesierski, A., Smowton, P.M., Summers, H.D., Mowbray, D.J., Liu, H.Y., Hopkinson, M. (2007). Role of device structure on the performance of quantum dot lasers. doi:10.1109/LEOS.2007.4382465
  8. Blood, P., Pask, H., Sandall, I., Summers, H. (2007). Recombination in quantum dot ensembles. doi:10.1117/12.714264
  9. Njoh, K., Smith, P.J., Chappell, S.C., Summers, H.D., Matthews, D., Morris, D., Goater, A., Burt, J., Pope, I., Vojnovic, B., Ameer-Beg, S., Errington, R.J. (2007). Live cell tracking on an optical biochip platform. doi:10.1117/12.698935
  10. Goater, A.D., Burt, J.P.H., Morris, D.J., Menachery, A., Rizvi, N.H., Matthews, D.R., Summers, H.D. (2007). Laser micromachining of optical biochips. doi:10.1117/12.700899
  11. Chong, E.Z., Matthews, D.R., Summers, H.D., Njoh, K.L., Errington, R.J., Smith, P.J. (2007). Investigation of quantum dot FRET in the far-red spectral region. doi:10.1117/12.700118
  12. Morris, D., Goater, A., Menachery, A., Burt, J., Rizvi, N., Matthews, D., Summers, H., Pope, I., Vojnovic, B., Njoh, K., Chappell, S., Errington, R., Smith, P. (2007). Development of an optical biochip for the analysis of cell environment sensitivity. doi:10.1117/12.700052
  13. Summers, H., Matthews, D., Njoh, K., Errington, R. (2007). Beam-steering at optical frequencies using metal-grating antennas. doi:10.1109/LEOS.2006.279223
  14. Matthews, D., Summers, H., Njoh, K., Chappell, S., Errington, R., Smith, P., Pope, I., Vojnovic, B., Ameer-Beg, S. (2007). A plasmon-controlled fluorescence biochip. doi:10.1109/LEOS.2006.278891
  15. Matthews, D.R., Summers, H.D., Njoh, K., Chappell, S., Errington, R., Smith, P., Pope, I., Barber, P., Vojnovic, B., Ameer-Beg, S. (2007). A fluorescence biochip with a plasmon active surface. doi:10.1117/12.698948
  16. Porta, P.A., Summers, H.D. (2006). Surface plasmon mediated emission from resonant-cavity LEDs. doi:10.1109/CLEO.2006.4628246
  17. Matthews, D., Summers, H., Njoh, K., Chappell, S., Errington, R., Smith, P. (2006). Surface plasmon control of excitation and fluorescence in optical biochips. doi:10.1117/12.707706
  18. Njoh, K.L., Patterson, L.H., Pors, K., Zloh, M., Ameer-Beg, S., Summers, H., Matthews, D., Errington, R.J., Smith, P.J. (2006). Screening far red probes for use on optical biochip devices. doi:10.1117/12.664713
  19. Blood, P., Pask, H., Summers, H. (2006). Random population and localised recombination in quantum dot structures.
  20. Sandall, I.C., Pask, H.J., Smowton, P.M., Summers, H.D., Blood, P., Liu, H., Hopkinson, M. (2006). Localised recombination in quantum dot structures. doi:10.1109/CLEO.2006.4628106
  21. Pask, H.J., Summers, H.D., Blood, P. (2006). Localised recombination and gain in quantum dots.
  22. Harries, M.D., Summers, H.D. (2006). LED emission through sub-wavelength apertures. doi:10.1109/CLEO.2006.4628340
  23. Summers, H.D., Pask, H., Blood, P. (2006). Analysis of localized recombination in quantum dots. doi:10.1117/12.661399
  24. Matthews, D.R., Summers, H.D., Njoh, K., Errington, R.J., Smith, P.J., Ameer-Beg, S., Vojnovic, B. (2005). Time-resolved fluorescence measurements using stroboscopic excitation.
  25. Matthews, D.R., Summers, H.D., Njoh, K., Errington, R.J., Smith, P.J., Ameer-Beg, S., Vojnovic, B. (2005). Time-resolved fluorescence measurements using self-pulsing 650-nm laser diodes. doi:10.1117/12.590201
  26. Pask, H.J., Summers, H.D., Blood, P. (2005). Localised recombination in quantum dots. Presented at physica status solidi (c),(11), 3860-3863. doi:10.1002/pssc.200562012
  27. Porta, P.A., Summers, H.D. (2004). Vertical-cavity semiconductor devices for fluorescence spectroscopy. doi:10.1117/12.528797
  28. Matthews, D.R., Edwards, G.T., Summers, H.D., Smowton, P.M. (2004). Saturable absorber characteristics in quantum dot lasers. doi:10.1117/12.528789
  29. Matthews, D.R., Summers, H.D. (2004). GalnP-650nm self-pulsing laser diodes for fluorescence lifetime measurements.
  30. Smowton, P.M., Pearce, E.J., Lutti, J., Matthews, D.R., Summers, H.D., Lewis, G.M., Blood, P., Hopkinson, M., Krysa, A. (2004). Carrier distribution, spontaneous emission and gain in self assembled quantum dot lasers. doi:10.1117/12.530429
  31. Pearce, E.J., Smowton, P.M., Summers, H.D., Hopkinson, M. (2003). A comparison of the overall radiative efficiency of DWELL, standard QD and QW laser structures.
  32. Matthews, D.R., Summers, H.D., Smowton, P.M., Hopkinson, M. (2002). Differential-gain damping in quantum dot lasers due to wetting layer states.
  33. Smowton, P.M., Lewis, G.M., Summers, H.D., Thomson, J.D., Blood, P. (2002). Spontaneous emission measurements of tensile strained GaInP laser diodes.
  34. Matthews, D.R., Summers, H.D., Smowton, P.M., Hopkinson, M. (2002). Self-sustained Q-switching in InGaAs quantum dot lasers.
  35. Wu, J., Summers, H.D., Iordache, G. (2001). VCSEL pumped, planar cavity, low threshold Nd:YVO4 microchip lasers.
  36. Lewis, G.M., Thomson, J.D., Smowton, P.M., Summers, H.D., Blood, P. (2001). Thermodynamic balance in the modelling of quantum well lasers.
  37. Herrmann, E., Smowton, P.M., Ning, Y., Summers, H.D., Blood, P., Hopkinson, M. (2001). Optical mode loss and gain of multiple layer quantum dot lasers.
  38. Ren, G.B., Summers, H., Blood, P., Perks, R., Bour, D. (2001). Non-radiative recombination and efficiency of InGaN quantum well light emitting diodes. doi:10.1117/12.432626
  39. Lewis, G.M., Smowton, P.M., Thomson, J.D., Summers, H.D., Blood, P. (2001). Measurement of spontaneous emission spectra of diode laser structures.
  40. Smowton, P.M., Chow, W., Lewis, G., Blood, P., Summers, H., Thomson, J. (2001). Comparison of experimental and theoretical optical properties of GaInP lasers. doi:10.1117/12.432567
  41. Thomson, J.D., Summers, H.D., Matthews, D.R., Smowton, P.M., Blood, P. (2000). Thermodynamic relation between optical gain and spontaneous emission in GaInP quantum well lasers.
  42. Summers, H.D., Thomson, J.D., Smowton, P.M., Herrmann, E., Blood, P., Hopkinson, M. (2000). Thermodynamic relation between optical emission and absorption processes in quantum dot lasers.
  43. Thomson, J.D., Herrmann, E., Summers, H.D., Smowton, P.M., Hopkinson, M. (2000). Temperature insensitive quantum dot structures for vertical cavity lasers.
  44. Thomson, John, Summers, Huw, Smowton, Peter, Herrmann, Eugen, Blood, Peter, Hopkinson, Mark (2000). Temperature dependence of the wavelength of quantum dot lasers.
  45. Pierce, Iestyn, Rees, Paul, Jones, Dewi R., Summers, Huw D. (2000). Multi-mode self-pulsation in laser diodes with epitaxially integrated saturable absorber.
  46. Thomson, J.D., Summers, H.D., Hulyer, P.J., Smowton, P.M., Blood, P. (2000). Measurement of optical gain and Fermi level separation in semiconductor structures.
  47. Thomson, John, Smowton, Peter, Summers, Huw, Herrmann, Eugen, Blood, Peter, Hopkinson, Mark (2000). Intrinsic performance of InGaAs/GaAs quantum dot lasers.
  48. Summers, H.D., Wu, J., Roberts, J.S. (2000). Experimental analysis of gain detuning and thermal roll-over in AlInGaAs/AlGaAs vertical-cavity, surface-emitting laser diodes.
  49. Berry, G.M., Lewis, G.D., Summers, H.D., Blood, P., Roberts, J.S. (1998). Theoretical and experimental analysis of the spontaneous emission and threshold current of edge-emitting Bragg microcavity laser structures. doi:10.1117/12.316687
  50. Berry, Graham, Summers, Huw D., Blood, Peter, Claisse, Paul, Lebby, Michael (1998). Optical bi-stability in vertical cavity surface emitting lasers with a simple intra-cavity epitaxial absorber layer.
  51. Summers, H.D., Molloy, C.H., Smowton, P.M., Rees, P., Pierce, I., Jones, D.R. (1998). High temperature self-pulsation in 650 nm wavelength, AlGaInP lasers with an epitaxially integrated saturable absorber.
  52. Smowton, P.M., Summers, H.D., Berry, G., Blood, P., Button, C.C. (1998). 650 nm lasers with narrow far-field divergence.
  53. Zhu, B., Summers, H.D., White, I.H., Penty, R.V. (1996). Numerical modelling of dynamic response of loss modulated monolithic multisection mode-locked semiconductor lasers.
  54. Williams, K.A., Summers, H.D., Rahman, M.K.Abd., Muller, J., Laughton, F.R., White, I.H., Penty, R.V., Jiang, Z., Sarma, J., Middlemast, I., Ralston, J.D. (1995). Monolithic passive mode-locking in single contact tapered lasers.
  55. Summers, H.D., White, I.H., Rees, P., Blood, P. (1994). Reduction of linewidth enhancement factor in strained 1.55-μm InGaAsP lasers.
  56. Summers, H.D., Mogensen, P., Rees, P., Blood, P. (1994). Recombination mechanisms and optical losses in strained layer, (AlyGa1-y)xIn1-xP lasers.
  57. Smowton, Peter, Summers, Huw D., Rees, Paul, Blood, Peter (1994). Optimization of 670-nm strained quantum well laser diodes.