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Number of items: 32.

Gillgrass, S. J., Baker, J., Allford, C. P. ORCID: https://orcid.org/0000-0002-3798-9014, Davies, J. I., Shutts, S. ORCID: https://orcid.org/0000-0001-6751-7790 and Smowton, P. M. ORCID: https://orcid.org/0000-0002-9105-4842 2025. AlGaAs VSCELs grown on thin 150 mm germanium substrates. JPhys: Photonics 7 (3) , 035033. 10.1088/2515-7647/adef1f
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Mishra, P., Enderson, A., Albeladi, F. T., Qiao, D., Jandu, G. M., Jarvis, L., Gillgrass, S-J., Raitu, B. P., Peng, N., Deng, H., Tang, M., Liu, H-Y., Shutts, S. ORCID: https://orcid.org/0000-0001-6751-7790 and Smowton, P. M. ORCID: https://orcid.org/0000-0002-9105-4842 2025. Achieving selectivity and reduced absorption for low loss monolithic InAs QD based III-V photonic integration. Journal of Physics D: Applied Physics 58 (26) , 265104. 10.1088/1361-6463/ade450
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Mishra, Pawan, Jarvis, Lydia, Hodges, Chris ORCID: https://orcid.org/0000-0002-4993-4547, Enderson, Abigail, Albeladi, Fwoziah, Gillgrass, Sara-Jayne, Jandu, George, Forrest, Richard, Allford, Craig P. ORCID: https://orcid.org/0000-0002-3798-9014, Deng, Huiwen, Tang, Mingchu, Liu, Huiyun, Shutts, Samuel ORCID: https://orcid.org/0000-0001-6751-7790 and Smowton, Peter M. ORCID: https://orcid.org/0000-0002-9105-4842 2025. High temperature operation of co-doped InAs quantum dot laser for O-band emission. IEEE Photonics Journal 17 (3) , 0600606. 10.1109/jphot.2025.3560443
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Baker, Jack, Allford, Craig P. ORCID: https://orcid.org/0000-0002-3798-9014, Gillgrass, Sara, Davies, J. Iwan, Shutts, Samuel ORCID: https://orcid.org/0000-0001-6751-7790 and Smowton, Peter M. ORCID: https://orcid.org/0000-0002-9105-4842 2025. Thermal performance of 940 nm AlGaAs-Based VCSELs grown on germanium. IEEE Photonics Journal 17 (2) , 1501104. 10.1109/jphot.2025.3552951
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Albeladi, Fwoziah T., Allford, Craig P. ORCID: https://orcid.org/0000-0002-3798-9014, Gillgrass, Sara-Jayne, Power, Susanna, Albittar, Noor and Smowton, Peter M. ORCID: https://orcid.org/0000-0002-9105-4842 2024. Multi-mode interference reflector InAs-QD mode-locked laser for integrated photonics. Presented at: 2024 IEEE Photonics Conference (IPC), Rome, Italy, 10-14 November 2024. 2024 IEEE Photonics Conference (IPC). IEEE, 10.1109/ipc60965.2024.10799723
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Gillgrass, S.J., Baker, J., Allford, C.P. ORCID: https://orcid.org/0000-0002-3798-9014, Johnson, A., Davies, J.I., Shutts, S. ORCID: https://orcid.org/0000-0001-6751-7790 and Smowton, P.M. ORCID: https://orcid.org/0000-0002-9105-4842 2024. First demonstration of 940-nm VCSELs fabricated over 200-mm GaAs- and Ge-substrates. Presented at: IEEE 29th International Semiconductor Laser Conference (ISLC), Orlando, FL, USA, 29 September - 02 October 2024. 2024 IEEE 29th International Semiconductor Laser Conference (ISLC). IEEE, 10.1109/islc57752.2024.10717349
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Albeladi, Fwoziah, Gillgrass, Sara-Jayne, Mishra, Pawan ORCID: https://orcid.org/0000-0003-1141-3487, Albittar, Noor, Power, Susanna, Shutts, Samuel and Smowton, Peter M. ORCID: https://orcid.org/0000-0002-9105-4842 2024. On-chip InAs QD ring-resonator multi-mode interference reflector lasers for PICs. Presented at: 2024 IEEE 29th International Semiconductor Laser Conference (ISLC), Orlando, FL, USA, 29 September - 02 October 2024. 2024 IEEE 29th International Semiconductor Laser Conference (ISLC). IEEE, pp. 1-2. 10.1109/islc57752.2024.10717372
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Albeladi, Fwoziah, Gillgrass, Sara-Jayne, Michael, Laura, Enderson, Abigail, Mishra, Pawan ORCID: https://orcid.org/0000-0003-1141-3487, Deng, Huiwen, Tang, Mingchu, Liu, Huiyun, Shutts, Samuel and Smowton, Peter M. ORCID: https://orcid.org/0000-0002-9105-4842 2024. A platform for integrated photonics. Presented at: IEEE 29th International Semiconductor Laser Conference (ISLC), Orlando, FL, USA, 29 September - 2 October 2024. 2024 IEEE 29th International Semiconductor Laser Conference (ISLC). IEEE, pp. 1-2. 10.1109/islc57752.2024.10717359
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Baker, J., Allford, C. P. ORCID: https://orcid.org/0000-0002-3798-9014, Gillgrass, S., Davies, J. I., Shutts, S. ORCID: https://orcid.org/0000-0001-6751-7790 and Smowton, P. M. ORCID: https://orcid.org/0000-0002-9105-4842 2024. Improved thermal performance of VCSELs on germanium substrates. Presented at: IEEE 29th International Semiconductor Laser Conference (ISLC), Orlando, FL, USA, 29 September - 02 October 2024. 2024 IEEE 29th International Semiconductor Laser Conference (ISLC). IEEE, pp. 1-2. 10.1109/islc57752.2024.10717337
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Mishra, P., Jarvis, L., Hodges, C. ORCID: https://orcid.org/0000-0002-4993-4547, Enderson, A., Albeladi, F., Gillgrass, S. J., Forrest, R., Allford, C. P. ORCID: https://orcid.org/0000-0002-3798-9014, Deng, H., Tang, M., Liu, H., Shutts, S. ORCID: https://orcid.org/0000-0001-6751-7790 and Smowton, P. M. ORCID: https://orcid.org/0000-0002-9105-4842 2024. Achieving O-band InAs quantum dot laser operation at 200 °C. Presented at: 2024 IEEE 29th International Semiconductor Laser Conference (ISLC), Orlando, FL, USA, 29 September - 02 October 2024. 2024 IEEE 29th International Semiconductor Laser Conference (ISLC). IEEE, pp. 1-2. 10.1109/islc57752.2024.10717409
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Jarvis, Lydia, Maglio, Benjamin C., Albeladi, Fwoziah, Gillgrass, Sara-Jayne, Allford, Craig P. ORCID: https://orcid.org/0000-0002-3798-9014, Deng, Huiwen, Tang, Mingchu, Liu, Huiyun, Shutts, Samuel and Smowton, Peter M. ORCID: https://orcid.org/0000-0002-9105-4842 2024. Improving the performance of co-doped 1300nm QD lasers and modulators. Presented at: IEEE 29th International Semiconductor Laser Conference (ISLC), Orlando, FL, USA, 29 September - 02 October 2024. 2024 IEEE 29th International Semiconductor Laser Conference (ISLC). IEEE, pp. 1-2. 10.1109/islc57752.2024.10717406

Albeladi, Fwoziah T., Gillgrass, Sara-Jayne, Travers-Nabialek, Josie, Mishra, Pawan, Forrest, Richard, Allford, Craig ORCID: https://orcid.org/0000-0002-3798-9014, Albiladi, Tahani, Shutts, Samuel ORCID: https://orcid.org/0000-0001-6751-7790 and Smowton, Peter M. ORCID: https://orcid.org/0000-0002-9105-4842 2024. InAs quantum dot-based one- and two-port multimode interference reflectors for integrated photonic devices: design, fabrication, and evaluation. Presented at: SPIE OPTO 2024, San Francisco, CA, USA, January 2024. Proceedings Novel In-Plane Semiconductor Lasers XXIII. , vol.12905 SPIE, p. 40. 10.1117/12.3003224

Albeladi, F. T., Gillgrass, S., Nabialek, J., Hodges, C. ORCID: https://orcid.org/0000-0002-4993-4547, Tang, M., Deng, H., Liu, H -Y., Shutts, S. ORCID: https://orcid.org/0000-0001-6751-7790 and Smowton, P. M. ORCID: https://orcid.org/0000-0002-9105-4842 2023. Low-loss III-V photonics and high efficiency grating couplers incorporating low-index AlOx layers. Presented at: 2023 IEEE Photonics Conference (IPC), 12-16 November 2023. Proceedings 2023 IEEE Photonics Conference (IPC). IEEE, 10.1109/IPC57732.2023.10360787
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Albeladi, F. T., Gillgrass, S., Nabialek, J., Mishra, P., Forrest, R., Albiladi, T. R., Allford, C. P. ORCID: https://orcid.org/0000-0002-3798-9014, Shutts, S. ORCID: https://orcid.org/0000-0001-6751-7790 and Smowton, P. M. ORCID: https://orcid.org/0000-0002-9105-4842 2023. Multi-mode interference reflector for integrated photonics. Presented at: 2023 IEEE Photonics Conference (IPC), 12-16 November 2023. Proceedings 2023 IEEE Photonics Conference (IPC). IEEE, 10.1109/IPC57732.2023.10360650
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Enderson, A., Mishra, P., Cao, Z., Albeladi, F. T., Gillgrass, S., Ratiu, B-P., Peng, N., Tang, M., Liu, H-Y., Shutts, S. ORCID: https://orcid.org/0000-0001-6751-7790 and Smowton, P. M. ORCID: https://orcid.org/0000-0002-9105-4842 2023. Monolithic InAs QDs based active-passive integration for photonic integrated circuits. Presented at: 2023 IEEE Photonics Conference (IPC), 12-16 November 2023. Proceedings 2023 IEEE Photonics Conference (IPC). IEEE, 10.1109/IPC57732.2023.10360634
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Al-Ghamdi, Mohammed S., Almalky, Nawal Maalawy, Sait, Roaa, Gillgrass, Sara-Jayne and Karomi, Ivan B. 2023. Effect of barrier layer width on the optical and spectral properties of InAsP/AlGaInP quantum dot lasers. Optical Materials 145 , 114475. 10.1016/j.optmat.2023.114475

Albeladi, Fwoziah T., Gillgrass, Sara-Jayne, Nabialek, Josie, Mishra, Pawan, Forrest, Richard, Albeladi, Tahani R., Allford, Craig ORCID: https://orcid.org/0000-0002-3798-9014, Liu, Hui-Yun, Tang, Mingchu, Shutts, Samuel and Smowton, Peter M. ORCID: https://orcid.org/0000-0002-9105-4842 2023. Realisation of multi-mode reflector lasers for integrated photonics. Presented at: Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC), 26-30 June 2023. 2023 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC). IEEE, 10.1109/CLEO/Europe-EQEC57999.2023.10231858
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Albeladi, F. T., Gillgrass, S., Nabialek, J., Mishra, P., Forrest, R., Albiladi, T. R., Allford, C. P. ORCID: https://orcid.org/0000-0002-3798-9014, Deng, H., Tang, M., Liu, H-Y, Shutts, S. ORCID: https://orcid.org/0000-0001-6751-7790 and Smowton, P. M. ORCID: https://orcid.org/0000-0002-9105-4842 2023. Design and characterisation of multi-mode interference reflector lasers for integrated photonics. Journal of Physics D: Applied Physics 56 (38) , 384001. 10.1088/1361-6463/acdb80
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Gillgrass, S. J., Allford, C. P. ORCID: https://orcid.org/0000-0002-3798-9014, Peach, T., Baker, J., Johnson, A. D., Davies, J. I., Joel, A. M., Shutts, S. ORCID: https://orcid.org/0000-0001-6751-7790 and Smowton, P. M. ORCID: https://orcid.org/0000-0002-9105-4842 2023. Impact of thermal oxidation uniformity on 150 mm GaAs- and Ge-substrate VCSELs. Journal of Physics D: Applied Physics 56 (15) , 154002. 10.1088/1361-6463/acc040
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Hentschel, C., Allford, C. P. ORCID: https://orcid.org/0000-0002-3798-9014, Gillgrass, S-J., Travers-Nabialek, J., Forrest, R., Baker, J., Meiklejohn, J., Powell, D., Meredith, W., Haji, M., Davies, J. I., Shutts, S. ORCID: https://orcid.org/0000-0001-6751-7790 and Smowton, P. M. ORCID: https://orcid.org/0000-0002-9105-4842 2023. Gain measurements on VCSEL material using segmented contact technique. Journal of Physics D: Applied Physics 56 (7) , 074003. 10.1088/1361-6463/acaf0b
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Albeladi, F. T., Gillgrass, S., Nabialek, J., Mishra, P., Forrest, R., Albiladi, T. R., Shutts, S. ORCID: https://orcid.org/0000-0001-6751-7790, Tang, M., Liu, H-Y. and Smowton, P. M. ORCID: https://orcid.org/0000-0002-9105-4842 2022. Multi-mode interference reflector based InAs-QD laser. Presented at: 28th International Semiconductor Laser Conference (ISLC), Matsue, Japan, 16-19 October 2022. Proceedings of 28th International Semiconductor Laser Conference (ISLC). IEEE, 10.23919/ISLC52947.2022.9943389
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Baker, Jack, Allford, Craig. P. ORCID: https://orcid.org/0000-0002-3798-9014, Gillgrass, Sara., Peach, Tomas., Meiklejohn, James, Hentschel, Curtis, Meredith, Wyn, Powell, Denise, Sweet, Tracy ORCID: https://orcid.org/0000-0002-6947-5018, Haji, Mohsin, Davies, J. Iwan, Shutts, Samuel ORCID: https://orcid.org/0000-0001-6751-7790 and Smowton, Peter M. ORCID: https://orcid.org/0000-0002-9105-4842 2022. VCSEL quick fabrication of 894.6 nm wavelength epi‐material for miniature atomic clock applications. IET Optoelectronics 10.1049/ote2.12082
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Baker, Jack, Gillgrass, Sara, Allford, Craig P. ORCID: https://orcid.org/0000-0002-3798-9014, Peach, Tomas, Hentschel, Curtis, Sweet, Tracy ORCID: https://orcid.org/0000-0002-6947-5018, Davies, J. Iwan, Shutts, Samuel ORCID: https://orcid.org/0000-0001-6751-7790 and Smowton, Peter M. ORCID: https://orcid.org/0000-0002-9105-4842 2022. VCSEL quick fabrication for assessment of large diameter epitaxial wafers. IEEE Photonics Journal 14 (3) 10.1109/JPHOT.2022.3169032
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Hentschel, Curtis, Allford, Craig P. ORCID: https://orcid.org/0000-0002-3798-9014, Gillgrass, Sara-Jayne, Li, Zhibo ORCID: https://orcid.org/0000-0002-6913-1426, Nabialek, Josie, Forrest, Richard, Baker, Jack, Hayes, David G. ORCID: https://orcid.org/0000-0002-2303-1622, Meredith, Wyn, Davies, J. Iwan, Shutts, Samuel ORCID: https://orcid.org/0000-0001-6751-7790 and Smowton, Peter M. ORCID: https://orcid.org/0000-0002-9105-4842 2021. Gain measurements on vertical cavity surface emitting laser material using segmented contact technique. Presented at: 2021 IEEE Photonics Conference (IPC), 18-21 October 2021. 2021 IEEE Photonics Conference (IPC). IEEE, 10.1109/IPC48725.2021.9592961
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Baker, Jack, Gillgrass, Sara, Allford, Craig P. ORCID: https://orcid.org/0000-0002-3798-9014, Hentschel, Curtis, Davies, J. Iwan, Shutts, Samuel ORCID: https://orcid.org/0000-0001-6751-7790 and Smowton, Peter M. ORCID: https://orcid.org/0000-0002-9105-4842 2021. Sub-mA threshold current vertical cavity surface emitting lasers with a simple fabrication process. Presented at: 2021 IEEE Photonics Conference (IPC), 18-21 October 2021. Proceedings of the 2021 IEEE Photonics Conference (IPC). IEEE, 10.1109/IPC48725.2021.9592977
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Maglio, Benjamin, Jarvis, Lydia, Allford, Craig P. ORCID: https://orcid.org/0000-0002-3798-9014, Gillgrass, Sara-Jayne, Shutts, Samuel ORCID: https://orcid.org/0000-0001-6751-7790, Tang, Mingchu, Liu, Huiyun and Smowton, Peter M. ORCID: https://orcid.org/0000-0002-9105-4842 2021. The limits to peak modal gain in p-modulation doped indium arsenide quantum dot laser diodes. Presented at: 2021 IEEE Photonics Conference (IPC), Vancouver, BC, Canada, 18-21 October 2021. 2021 IEEE Photonics Conference (IPC). IEEE, pp. 1-2. 10.1109/IPC48725.2021.9592852
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Baker, Jack, Allford, Craig P. ORCID: https://orcid.org/0000-0002-3798-9014, Gillgrass, Sara-Jayne, Forrest, Richard, Hayes, David G. ORCID: https://orcid.org/0000-0002-2303-1622, Nabialek, Josie, Hentschel, Curtis, Davies, J. Iwan, Shutts, Samuel ORCID: https://orcid.org/0000-0001-6751-7790 and Smowton, Peter M. ORCID: https://orcid.org/0000-0002-9105-4842 2021. Quick fabrication VCSELs for characterisation of epitaxial material. Applied Sciences 11 (20) , 9369. 10.3390/app11209369
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Gillgrass, Sara-Jayne 2018. Laser haemocytometer. PhD Thesis, Cardiff University.
Item availability restricted.
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Allford, Craig P. ORCID: https://orcid.org/0000-0002-3798-9014, Gillgrass, Sara-Jayne, Al-Ghamdi, Mohammed S., Krysa, Andrey B., Shutts, Samuel ORCID: https://orcid.org/0000-0001-6751-7790 and Smowton, Peter ORCID: https://orcid.org/0000-0002-9105-4842 2018. Barrier width effects in InAsP/AlGaInP quantum dot lasers. Presented at: UK Semiconductor Conference 2018 (UKSC 2018), Sheffield, UK, 4-5 July 2018.
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Gillgrass, Sara-Jayne, Thomas, Robert and Smowton, Peter M. ORCID: https://orcid.org/0000-0002-9105-4842 2017. Novel coupled-cavity sensing mechanism for on-chip detection of microparticles (Conference Presentation). Presented at: SPIE OPTO 2017, San Francisco, CA, USA, 28 Jan - 2 Feb 2017. Published in: Belyanin, Alexey A. and Smowton, Peter eds. Proceedings Volume 10123, Novel In-Plane Semiconductor Lasers XVI. , vol.10123 Society of Photo-Optical Instrumentation Engineers (SPIE), 10.1117/12.2253613

Smowton, Peter M. ORCID: https://orcid.org/0000-0002-9105-4842, Shutts, S., Thomas, R., Elliott, S. N., Sobiesierski, A., Karomi, I., Gillgrass, S. and Krysa, A. B. 2016. Quantum dot lasers for integrated photonics. Presented at: 2016 International Semiconductor Laser Conference (ISLC), Kobe, Japan, 12-15 September 2016. 2016 International Semiconductor Laser Conference (ISLC). IEEE,

Thomas, Robert, Holton, M., Sobiesierski, Angela, Gillgrass, Sara-Jayne, Summers, H. D., Barrow, Denise and Smowton, Peter Michael ORCID: https://orcid.org/0000-0002-9105-4842 2015. Integrated III-V semiconductor flow cytometer with capillary fill micro-fluidics. Presented at: 2015 IEEE Photonics Conference (IPC), Reston, VA, USA, 4 - 8 October 2015. IEEE Xplore. 2015 Photogenics Conference. IEEE, pp. 7-8. 10.1109/IPCon.2015.7323580

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