Dr Sara-Jayne Gillgrass
Research Fellow in Optoelectronics
School of Physics and Astronomy
- GillgrassS@cardiff.ac.uk
- Translational Research Hub, Room 2.10, Maindy Road, Cathays, Cardiff, CF24 4HQ
Publication
2023
- Albeladi, F. T. et al. 2023. Design and characterisation of multi-mode interference reflector lasers for integrated photonics. Journal of Physics D: Applied Physics 56(38), article number: 384001. (10.1088/1361-6463/acdb80)
- Gillgrass, S. J. et al. 2023. Impact of thermal oxidation uniformity on 150 mm GaAs- and Ge-substrate VCSELs. Journal of Physics D: Applied Physics 56(15), article number: 154002. (10.1088/1361-6463/acc040)
- Hentschel, C. et al. 2023. Gain measurements on VCSEL material using segmented contact technique. Journal of Physics D: Applied Physics 56(7), pp. 74003. (10.1088/1361-6463/acaf0b)
2022
- Albeladi, F. T. et al. 2022. Multi-mode interference reflector based InAs-QD laser. Presented at: 28th International Semiconductor Laser Conference (ISLC), Matsue, Japan, 16-19 October 2022Proceedings of 28th International Semiconductor Laser Conference (ISLC). IEEE, (10.23919/ISLC52947.2022.9943389)
- Baker, J. et al. 2022. VCSEL quick fabrication of 894.6 nm wavelength epi‐material for miniature atomic clock applications. IET Optoelectronics (10.1049/ote2.12082)
- Baker, J. et al. 2022. VCSEL quick fabrication for assessment of large diameter epitaxial wafers. IEEE Photonics Journal 14(3) (10.1109/JPHOT.2022.3169032)
2021
- Maglio, B. et al. 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 20212021 IEEE Photonics Conference (IPC). IEEE pp. 1-2., (10.1109/IPC48725.2021.9592852)
- Baker, J., Gillgrass, S., Allford, C. P., Hentschel, C., Davies, J. I., Shutts, S. and Smowton, P. M. 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 2021Proceedings of the 2021 IEEE Photonics Conference (IPC). IEEE, (10.1109/IPC48725.2021.9592977)
- Hentschel, C. et al. 2021. Gain measurements on vertical cavity surface emitting laser material using segmented contact technique. Presented at: 2021 IEEE Photonics Conference (IPC), 18-21 October 20212021 IEEE Photonics Conference (IPC). IEEE, (10.1109/IPC48725.2021.9592961)
- Baker, J. et al. 2021. Quick fabrication VCSELs for characterisation of epitaxial material. Applied Sciences 11(20), article number: 9369. (10.3390/app11209369)
2018
- Gillgrass, S. 2018. Laser haemocytometer. PhD Thesis, Cardiff University.
- Allford, C. P., Gillgrass, S., Al-Ghamdi, M. S., Krysa, A. B., Shutts, S. and Smowton, P. 2018. Barrier width effects in InAsP/AlGaInP quantum dot lasers. Presented at: UK Semiconductor Conference 2018 (UKSC 2018), Sheffield, UK, 4-5 July 2018.
2017
- Gillgrass, S., Thomas, R. and Smowton, P. M. 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 Presented at Belyanin, A. A. and Smowton, P. eds.Proceedings Volume 10123, Novel In-Plane Semiconductor Lasers XVI, Vol. 10123. Society of Photo-Optical Instrumentation Engineers (SPIE), (10.1117/12.2253613)
2016
- Smowton, P. M. et al. 2016. Quantum dot lasers for integrated photonics. Presented at: 2016 International Semiconductor Laser Conference (ISLC), Kobe, Japan, 12-15 September 20162016 International Semiconductor Laser Conference (ISLC). IEEE
2015
- Thomas, R., Holton, M., Sobiesierski, A., Gillgrass, S., Summers, H. D., Barrow, D. and Smowton, P. M. 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 2015IEEE Xplore. IEEE pp. 7-8., (10.1109/IPCon.2015.7323580)
Articles
- Albeladi, F. T. et al. 2023. Design and characterisation of multi-mode interference reflector lasers for integrated photonics. Journal of Physics D: Applied Physics 56(38), article number: 384001. (10.1088/1361-6463/acdb80)
- Gillgrass, S. J. et al. 2023. Impact of thermal oxidation uniformity on 150 mm GaAs- and Ge-substrate VCSELs. Journal of Physics D: Applied Physics 56(15), article number: 154002. (10.1088/1361-6463/acc040)
- Hentschel, C. et al. 2023. Gain measurements on VCSEL material using segmented contact technique. Journal of Physics D: Applied Physics 56(7), pp. 74003. (10.1088/1361-6463/acaf0b)
- Baker, J. et al. 2022. VCSEL quick fabrication of 894.6 nm wavelength epi‐material for miniature atomic clock applications. IET Optoelectronics (10.1049/ote2.12082)
- Baker, J. et al. 2022. VCSEL quick fabrication for assessment of large diameter epitaxial wafers. IEEE Photonics Journal 14(3) (10.1109/JPHOT.2022.3169032)
- Baker, J. et al. 2021. Quick fabrication VCSELs for characterisation of epitaxial material. Applied Sciences 11(20), article number: 9369. (10.3390/app11209369)
Conferences
- Albeladi, F. T. et al. 2022. Multi-mode interference reflector based InAs-QD laser. Presented at: 28th International Semiconductor Laser Conference (ISLC), Matsue, Japan, 16-19 October 2022Proceedings of 28th International Semiconductor Laser Conference (ISLC). IEEE, (10.23919/ISLC52947.2022.9943389)
- Maglio, B. et al. 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 20212021 IEEE Photonics Conference (IPC). IEEE pp. 1-2., (10.1109/IPC48725.2021.9592852)
- Baker, J., Gillgrass, S., Allford, C. P., Hentschel, C., Davies, J. I., Shutts, S. and Smowton, P. M. 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 2021Proceedings of the 2021 IEEE Photonics Conference (IPC). IEEE, (10.1109/IPC48725.2021.9592977)
- Hentschel, C. et al. 2021. Gain measurements on vertical cavity surface emitting laser material using segmented contact technique. Presented at: 2021 IEEE Photonics Conference (IPC), 18-21 October 20212021 IEEE Photonics Conference (IPC). IEEE, (10.1109/IPC48725.2021.9592961)
- Allford, C. P., Gillgrass, S., Al-Ghamdi, M. S., Krysa, A. B., Shutts, S. and Smowton, P. 2018. Barrier width effects in InAsP/AlGaInP quantum dot lasers. Presented at: UK Semiconductor Conference 2018 (UKSC 2018), Sheffield, UK, 4-5 July 2018.
- Gillgrass, S., Thomas, R. and Smowton, P. M. 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 Presented at Belyanin, A. A. and Smowton, P. eds.Proceedings Volume 10123, Novel In-Plane Semiconductor Lasers XVI, Vol. 10123. Society of Photo-Optical Instrumentation Engineers (SPIE), (10.1117/12.2253613)
- Smowton, P. M. et al. 2016. Quantum dot lasers for integrated photonics. Presented at: 2016 International Semiconductor Laser Conference (ISLC), Kobe, Japan, 12-15 September 20162016 International Semiconductor Laser Conference (ISLC). IEEE
- Thomas, R., Holton, M., Sobiesierski, A., Gillgrass, S., Summers, H. D., Barrow, D. and Smowton, P. M. 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 2015IEEE Xplore. IEEE pp. 7-8., (10.1109/IPCon.2015.7323580)
Thesis
- Gillgrass, S. 2018. Laser haemocytometer. PhD Thesis, Cardiff University.