Publications

All publications from 2020

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2024

Al-Rubaiee, M., Ye, S. , Yuan, B., Fan, Y., Marsh, J. H. and Hou, L. (2024) 10 GHz Low Divergence Angle Mode-Locked Lasers with Ultralow Timing Jitter through Injection-Locking Techniques. CLEO 2024, Charlotte, North Carolina, USA, 05-10 May 2024. (Accepted for Publication)

Baity, P. G. , Maclean, C., Seferai, V. , Bronstein, J., Shu, Y., Hemakumara, T. and Weides, M. (2024) Circle fit optimization for resonator quality factor measurements: point redistribution for maximal accuracy. Physical Review Research, 6(1), 013329. (doi: 10.1103/PhysRevResearch.6.013329)

Cheng, W., Sun, X., Ye, S. , Yuan, B., Marsh, J. and Hou, L. (2024) High Sensitivity FSR-Free Sidewall Grating Slot Waveguide Microring Resonator Biochemical Sensors. CLEO 2024, Charlotte, North Carolina, USA, 05-10 May 2024. (Accepted for Publication)

Cheng, W., Sun, X., Ye, S. , Yuan, B., Marsh, J. H. and Hou, L. (2024) Subwavelength Grating Cascaded Microring Resonator Biochemical Sensors with Record-High Sensitivity. CLEO 2024, Charlotte, North Carolina, USA, 05-10 May 2024. (Accepted for Publication)

Dumas, D. et al. (2024) Decoupling the dark count rate contributions in Ge-on-Si single photon avalanche diodes. In: SPIE OPTO 2024, San Francisco, California, USA, 27 Jan-01 Feb 2024, (doi: 10.1117/12.3001450)

Falcone, V. et al. (2024) Near-infrared light trapping and avalanche multiplication in silicon epitaxial microcrystals. Advanced Optical Materials, 2302568. (doi: 10.1002/adom.202302568) (Early Online Publication)

Fan, Y., Yuan, B., Al-Rubaiee, M., Marsh, J. and Hou, L. (2024) Dual-wavelength DFB Laser Based on Four Phase-shifted Sampled Moiré Grating for MMW Generation. CLEO 2024, Charlotte, North Carolina, USA, 05-10 May 2024. (Accepted for Publication)

Fan, Y., Yuan, B., Al-Rubaiee, M., Sun, Y., Zhu, S., Akbar, J., Marsh, J. and Hou, L. (2024) Millimeter-wave generation based on four phase-shifted sampled Moiré grating dual-wavelength DFB laser. IEEE Photonics Technology Letters, 36(4), pp. 282-285. (doi: 10.1109/LPT.2024.3351531)

Kirimi, M.T., Hoare, D., Holsgrove, M., Czyzewski, J., Mirzai, N., Mercer, J.R. and Neale, S. (2024) Detection of blood clots using a whole stent as an active implantable biosensor. Advanced Science, (doi: 10.1002/advs.202304748) (PMID:38342628) (Early Online Publication)

McCarthy, C. , Smith, C. , Mowbray, H., Paul, D. and Millar, R. (2024) Ge-on-Si Single Photon Avalanche Diode Performance Enhancement with Photonic Crystal Nano-hole Arrays. In: SPIE OPTO 2024, San Francisco, California, USA, 27 Jan-01 Feb 2024, (doi: 10.1117/12.3001610)

Samuel, A. K., Faqeeh, A. H., Li, W., Ertekin, Z. , Wang, Y., Zhang, J., Gadegaard, N. , Moran, D. A.J. , Symes, M. D. and Ganin, A. Y. (2024) Assessing challenges of 2D-molybdenum ditelluride for efficient hydrogen generation in a full-scale proton exchange membrane (PEM) water electrolyzer. ACS Sustainable Chemistry and Engineering, 12(3), pp. 1276-1285. (doi: 10.1021/acssuschemeng.3c06616)

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2023

Abohmra, A., Abbas, H. , Alomainy, A., Imran, M. A. and Abbasi, Q. H. (2023) Flexible Terahertz Antenna Arrays based on Graphene for Body-Centric Wireless Communication. In: 17th European Conference on Antennas and Propagation (EuCAP2023), Florence, Italy, 26-31 Mar 2023, ISBN 9781665475419 (doi: 10.23919/EuCAP57121.2023.10133572)

Al-Rubaiee, M., Ye, S. , Yuan, B., Fan, Y., Marsh, J. H. and Hou, L. (2023) Ultra-stable 10 GHz Optical Clocks Based on Injection Mode-Locked Semiconductor Lasers. 46th European Semiconductor Laser Workshop ESLW 2023, University of Glasgow, 30 September 2023.

Al-Taai, Q. R. , Hejda, M., Zhang, W., Romeira, B., Figueiredo, J. M.L., Wasige, E. and Hurtado, A. (2023) Optically-triggered deterministic spiking regimes in nanostructure resonant tunnelling diode-photodetectors. Neuromorphic Computing and Engineering, 3(3), 034012. (doi: 10.1088/2634-4386/acf609)

Cheng, W., Sun, X., Ye, S. , Yuan, B., Liu, X., Marsh, J. H. and Hou, L. (2023) Inner-Wall Grating Double Slot Microring Resonator for High Sensitivity and Large Measurement Range Label-Free Biochemical Sensing. In: 2023 Conference on Lasers and Electro-Optics (CLEO 23), San Jose, California, USA, 7-12 May 2023, ISBN 9781957171258 (doi: 10.1364/CLEO_SI.2023.STu4O.2)

Cheng, W., Sun, X., Ye, S. , Yuan, B., Sun, Y., Marsh, J. H. and Hou, L. (2023) Sidewall grating slot waveguide microring resonator biochemical sensor. Optics Letters, 48(19), pp. 5113-5116. (doi: 10.1364/OL.502203) (PMID:37773398)

Cheng, W., Sun, X., Ye, S. , Yuan, B., Xiong, J., Liu, X., Sun, Y., Marsh, J. H. and Hou, L. (2023) Double slot micro ring resonators with inner wall angular gratings as ultra-sensitive biochemical sensors. Optics Express, 31(12), pp. 20034-20048. (doi: 10.1364/OE.483990) (PMID:37381406)

Christie, I., Peveler, W. J. and Clark, A. W. (2023) Optimising Cross-Reactive Plasmonic Arrays for Biosensing Applications. In: SPIE BiOS 2023: Plasmonics in Biology and Medicine XX, San Francisco, CA, USA, 28 Jan - 03 Feb 2023, (doi: 10.1117/12.2649244)

Coughlan, C., Mirza, M. M.A. , Kirdoda, J. , Dumas, D., Smith, C., McCarthy, C. , Mowbray, H., Watson, S. , Millar, R. and Paul, D. J. (2023) Variation of Sidewall Passivation on Sub-um Selectively Grown Ge-on-Si Devices Towards Single Photon Avalanche Detectors. In: SPIE OPTO 2023, San Francisco, CA, USA, 28 Jan-3 Feb 2023, 124170M. ISBN 9781510659391 (doi: 10.1117/12.2665493)

Coughlan, C., Mirza, M.M. , Kirdoda, J. , Dumas, D., Smith, C., McCarthy, C. , Millar, R.W. and Paul, D.J. (2023) Effect of Passivation on Selectively Grown Sub-µm Ge-on-Si Single Photon Avalanche Diode Detectors. In: 2023 IEEE Silicon Photonics Conference (SiPhotonics), Arlington, VA, USA, 04-07 Apr 2023, ISBN 9781665486552 (doi: 10.1109/SiPhotonics55903.2023.10141911)

Di Gaetano, E. , Keliehor, B., Griffin, P., Sorel, M. , Riis, E. and Paul, D.(2023) Sub-4 kHz Linewidth Distributed Feedback Lasers at 778.1 nm Wavelength for Two-Photon Rb Spectroscopy. SPIE Photonics West 2023, San Francisco, CA, USA, 28 Jan - 02 Feb 2023.

Di Gaetano, E. , Keliehor, B., Griffin, P., Sorel, M. , Riis, E. and Paul, D. J.(2023) Single-mode Distributed Feedback Lasers for 85Rb Two-Photon Quantum Technology Systems. In: 2023 Conference on Lasers and Electro-Optics (CLEO 23), San Jose, California, USA, 7-12 May 2023, ISBN 9781957171258 (doi: 10.1364/CLEO_AT.2023.AM2N.5)

Dyer, S., Gallacher, K. , Hawley, U., Bregazzi, A., Griffin, P.F., Arnold, A.S., Paul, D.J. , Riis, E. and McGilligan, J.P. (2023) Chip-scale packages for a tunable wavelength reference and laser cooling platform. Physical Review Applied, 19(4), 044015. (doi: 10.1103/PhysRevApplied.19.044015)

Falcone, V. et al. (2023) Photodetectors Based on 3D Self-Assembled Ge and Si Micro-Crystals. ISTDM-ICSI-2023, Como, Italy, 21-25 May 2023.

Falcone, V., Barzaghi, A., Signorelli, F., Bergamaschini, R., Valente, J. , Paul, D. , Tosi, A. and Isella, G. (2023) Ge and Si Microcrystal Photodetectors with Enhanced Infrared Responsivity. In: 2023 IEEE Nanotechnology Materials and Devices Conference (NMDC), Paestum, Italy, 22-25 October 2023, ISBN 9798350335460 (doi: 10.1109/NMDC57951.2023.10343764)

Fan, Y., Yuan, B., Ye, S. , Sun, Y., Marsh, J. H. and Hou, L. (2023) Dual Wavelength DFB Laser Array Based on Four Phase Shifted Sampled Bragg Gratings for THz Generation. In: 2023 Conference on Lasers and Electro-Optics (CLEO 23), San Jose, California, USA, 7-12 May 2023, ISBN 9781957171258 (doi: 10.1364/CLEO_SI.2023.SF2Q.4)

Fan, Y., Zhang, Y., Sun, Y., Yuan, B., Marsh, J. H. and Hou, L. (2023) Monolithic Optical Injection Locking DFB Lasers Based on Four PhaseShifts Sampling Sections. In: CLEO/Europe-EQEC 2023, Munich, Germany, 26 - 30 June 2023, ISBN 9798350345995 (doi: 10.1109/CLEO/Europe-EQEC57999.2023.10231480)

Gallacher, K. et al. (2023) Silicon-Nitride Photonic Integrated Circuits for Atomic Systems. In: IEEE Photonics Society Summer Topicals Meetings Series (SUM 2023), Giardini Naxos, Italy, 17-19 July 2023, ISBN 9798350347210 (doi: 10.1109/SUM57928.2023.10224366)

Govenlock, G., Boehme, L. and Clark, A. W. (2023) Nanoplasmonic Ecosystem Sensors. In: SPIE BiOS 2023: Optical Fibers and Sensors for Medical Diagnostics, Treatment and Environmental Applications XXIII, San Francisco, CA, USA, 28 Jan - 03 Feb 2023, (doi: 10.1117/12.2649117)

Hadfield, R. H. , Leach, J., Fleming, F., Paul, D. J. , Tan, C. H., Ng, J. S., Henderson, R. K. and Buller, G. S. (2023) Single-photon detection for long-range imaging and sensing. Optica, 10(9), pp. 1124-1141. (doi: 10.1364/OPTICA.488853)

Karami, K. , Dhongde, A., Cheng, H., Reynolds, P. M. , Reddy, B. A., Ritter, D., Li, C. , Wasige, E. and Thoms, S. (2023) Robust sub-100 nm T-Gate fabrication process using multi-step development. Micro and Nano Engineering, 19, 100211. (doi: 10.1016/j.mne.2023.100211)

Karami, K. , Hassan, S., Taking, S., Ofiare, A., Dhongde, A., Al-Khalidi, A. and Wasige, E. (2023) Comparative Study of Al2O3 and HfO2 as gate dielectric on AlGaN/GaN MOSHEMTs. International Journal of Electronics and Communication Engineering, 17(2), pp. 47-50.

Lennon, C.Shu, Y.Brennan, J.Namburi, D. K.Varghes, V.Hemakumara, T.Longchar, L.Srinath, S. and Hadfield, R. H. (2023) High-uniformity atomic layer deposition of superconducting niobium nitride thin films for quantum photonic integration. Materials for Quantum Technology, 3, 045401. (doi: 10.1088/2633-4356/ad0aa5)

Mordue, C. W., Weaver, J. M.R. and Dobson, P. (2023) Thermal induced deflection in atomic force microscopy cantilevers: analysis and solution.Measurement Science and Technology, 34(12), 125013. (doi: 10.1088/1361-6501/acf061)

Nugent, N., Bronstein, J., Paul, J. , Kennedy, O., Dimitriadis, S., Lindstrom, T., Weides, M. and Connolly, M. (2023) Flip-Chip Integration for Quantum Circuits. Superconducting Quantum Devices in the UK 2023 (SQD2023), Glasgow, UK, 06-07 Jul 2023.

Orchard, J. R., Ivanov, P., McKenzie, A. F. , Hill, C. H., Javed, I., Munro, C. W., Kettle, J., Hogg, R. A. , Childs, D. T.E. and Taylor, R. J.E. (2023) Small signal modulation of photonic crystal surface emitting lasers. Scientific Reports, 13(1), 19019. (doi: 10.1038/s41598-023-45414-7)(PMID:37923793) (PMCID:PMC10624890)

Paul, D.J. et al. (2023) A Review of Ge-on-Si Single Photon Avalanche Diode (SPAD) Photodetectors and Applications. ISTDM-ICSI-2023, Como, Italy, 21-25 May 2023.

Paul, J. et al. (2023) Scalable and CMOS-Compatible Superconducting Qubit Fabrication Process for Quantum Computing Applications. Superconducting Qubits and Algorithms Conference (SQA), Munich, Germany, 29 Aug - 01 Sep 2023.

Paul, J. , Seferai, V., Fu, C., Qu, C., McLurg, T., Reynolds, P. , Baity, P. and Weides, M. (2023) Fabrication of Airbridges for Superconducting Quantum Circuits. Superconducting Quantum Devices in the UK 2023 (SQD2023), Glasgow, UK, 06-07 Jul 2023.

Santana Vega, M. et al. (2023) A New Platform for Single Molecule Measurements Using the Fluorous Effect. In: SPIE BiOS 2023: Single Molecule Spectroscopy and Superresolution Imaging XVI, San Francisco, CA, USA, 28 Jan - 03 Feb 2023, (doi: 10.1117/12.2647953)

Simpson, K. A. , Williamson, C., Paul, D. J. and Pezaros, D. P. (2023)GALETTE: a Lightweight XDP Dataplane on your Raspberry Pi. In: IFIP Networking 2023, Barcelona, Spain, 12-15 June 2023, ISBN 9783903176577 (doi: 10.23919/IFIPNetworking57963.2023.10186412)

Smith, C. et al. (2023) Simulation and Design Optimization of Germanium-on-Silicon Single Photon Avalanche Diodes. In: SPIE OPTO 2023, San Francisco, CA, USA, 28 Jan-3 Feb 2023, 124260S. ISBN 9781510659575 (doi: 10.1117/12.2650154)

Sperling, J. R. et al. (2023) Optical Tastebuds for Water Analysis. In: Applied Industrial Spectroscopy 2023, Munich, Germany, 30 Jul - 03 Aug 2023, ISBN 9781957171241 (doi: 10.1364/AIS.2023.AM2A.6)

Sperling, J. R. et al. (2023) A cross-reactive plasmonic sensing array for drinking water assessment. Environmental Science: Nano, 10(12), pp. 3500-3508. (doi: 10.1039/D3EN00565H) (PMID:38073859)

Sperling, J. R. , Savage, L., Wilson, L. T. , Cuthill, C., Mcguire, K., Robbie, J. , Sloan, W. D. , Gauchotte-Lindsay, C., Peveler, W. J. and Clark, A. W. (2023) Optical Tastebuds for Water Quality Testing. In: SPIE BiOS 2023: Optical Fibers and Sensors for Medical Diagnostics, Treatment and Environmental Applications XXIII, San Francisco, CA, USA, 28 Jan - 03 Feb 2023, (doi: 10.1117/12.2647396)

Sun, X. et al. (2023) Monolithic MQW Polarization Mode Controller Integrated with Sidewall Grating DFB Lase. In: 2023 Conference on Lasers and Electro-Optics (CLEO 23), San Jose, California, USA, 7-12 May 2023, ISBN 9781957171258 (doi: 10.1364/CLEO_SI.2023.STu3P.5)

Sun, X. et al. (2023) Regrowth-free AlGaInAs MQW polarization controller integrated with sidewall grating DFB laser. Photonics Research, 11(4), pp. 622-630. (doi: 10.1364/PRJ.480676) 

Sun, X. et al. (2023) Stepped-height ridge waveguide MQW polarization mode converter monolithically integrated with sidewall grating DFB laser.Optics Letters, 48(2), pp. 359-362. (doi: 10.1364/OL.478765) (PMID:36638457)

Sun, X., Sun, Y., Ye, S. , Cheng, W., Liang, S., Huang, Y., Xiong, J., Liu, X., Marsh, J. H. and Hou, L. (2023) Eight-channel EML Array Based on Four Phase-Shifted Sampled Bragg Gratings. In: 2023 Conference on Lasers and Electro-Optics (CLEO 23), San Jose, California, USA, 7-12 May 2023, ISBN 9781957171258 (doi: 10.1364/CLEO_SI.2023.SF2Q.3)

Sun, X., Sun, Y., Ye, S. , Cheng, W., Liang, S., Huang, Y., Xiong, J., Liu, X., Marsh, J. H. and Hou, L. (2023) Eight-channel EML Array Based on Four Phase-Shifted Sampled Bragg Gratings. In: 2023 Conference on Lasers and Electro-Optics (CLEO 23), San Jose, California, USA, 7-12 May 2023, ISBN 9781957171258 (doi: 10.1364/CLEO_SI.2023.SF2Q.3)

Sun, Y., Sviridova, E., Kamp, M., Zhang, J., Kienle, L., Moran, D. A.J. , Guselnikova, O. and Ganin, A. Y. (2023) Elucidating catalytic sites governing the performance toward the hydrogen evolution reaction in ternary nitride electrocatalysts. ACS Applied Energy Materials, 6(3), pp. 1265-1273. (doi: 10.1021/acsaem.2c02941)

Sun, Y., Yuan, B., Sun, X., Marsh, J. H. and Hou, L. (2023) Eight-Channel DFB Laser Array Based on Four Phase-Shifted Sampled Bragg Gratings. 46th European Semiconductor Laser Workshop (ESLW 2023), Glasgow, UK, 30 Sept 2023.

Tetzner, H., Skibitzki, O., Seifert, W., Lisker, M., Mirza, M. M. , Fischer, I. A., Paul, D. J. , De Seta, M. and Capellini, G. (2023) Background Carrier Concentration in Intrinsic Ge-Rich SiGe/Ge Heterostructures Integrated on Si(001). ISTDM-ICSI-2023, Como, Italy, 21-25 May 2023.

Tetzner, H., Seifert, W., Skibitzki, O., Yamamoto, Y., Lisker, M., Mirza, M.M., Fischer, I.A., Paul, D.J. , De Seta, M. and Capellini, G. (2023)Unintentional p-type conductivity in intrinsic Ge-rich SiGe/Ge heterostructures grown on Si(001). Applied Physics Letters, 122(24), 243503. (doi: 10.1063/5.0152962)

Ye, S. et al. (2023) 1.55-µm sidewall grating DFB lasers integrated with a waveguide crossing for an optical beam forming network. IEEE Photonics Technology Letters, 35(14), pp. 785-788. (doi: 10.1109/LPT.2023.3278880) 

Yuan, B. et al. (2023) Dual-wavelength DFB laser array based on sidewall grating and lateral modulation of the grating coupling coefficient. Journal of Lightwave Technology, 41(9), pp. 2775-2784. (doi: 10.1109/JLT.2023.3237601)

Yuan, B., Fan, Y., Cheng, W., Al-Rubaiee, M., Zhan, Y., Chen, X., Marsh, J. H. and Hou, L. (2023) Monolithic Dual-wavelength Laser Array Based on Four Phase-Shifted Grating and Equivalent Chirp Technology. 2023 European Conference on Optical Communications (ECOC), Glasgow, Scotland, 01-05 Oct 2023. (Accepted for Publication)

Yuan, B., Fan, Y., Zhu, S., Zhang, Y., Marsh, J. H. and Hou, L. (2023) Dual-wavelength DFB Laser Based on Four Phase-shifts Sections and Equivalent Chirp Technology for Millimeter-wave Generation. In: CLEO/Europe-EQEC 2023, Munich, Germany, 26 - 30 June 2023, ISBN 9798350345995 (doi: 10.1109/CLEO/Europe-EQEC57999.2023.10232082)

Yuan, B. et al. (2023) Millimeter-wave generation based on a monolithic dual-wavelength DFB laser with four phase-shifted sampled gratings and equivalent chirp technology. Optics Letters, 48(19), pp. 5093-5096. (doi: 10.1364/OL.504585) (PMID:37773393)

Zou, J. et al. (2023) Fluorous-directed assembly of DNA origami nanostructures. ACS Nano, 17(1), pp. 752-759. (doi: 10.1021/acsnano.2c10727)(PMID:36537902) (PMCID:PMC9835977)

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2022

Anastasiou, K., Hammond, G. , Paul, D. , Toland, K. , Prasad, A. , Bramsiepe, S. , Passey, E. and Rakoczi, H. (2022) An Update to the Development of the Wee-g: A High-Sensitivity MEMS-Based Relative Gravimeter for Multi-Pixel Application. EGU General Assembly 2022, Vienna, Austria, 23–27 May 2022. (doi: 10.5194/egusphere-egu22-4165)

Al-Taai, Q. R. A. , Morariu, R. , Wang, J., Al-Khalidi, A. , Al-Moathin, A., Romeira, B., Figueiredo, J. and Wasige, E. (2022) Towards an Excitable Microwave Spike Generator for Future Neuromorphic Computing. In: European Microwave Week 2021, London, UK, 02-07 Apr 2022, pp. 386-389. ISBN 9781665447225 (doi: 10.23919/EuMIC50153.2022.9783686)

Belwanshi, V. , Prasad, A. , Toland, K. , Anastasiou, K., Bramsiepe, S. , Middlemiss, R. , Paul, D. J. and Hammond, G. D. (2022) A Simulation Study of the Temperature Sensitivity and Impact of Fabrication Tolerances on the Performance of a Geometric Anti-Spring Based MEMS Gravimeter. In: 9th International Symposium on Inertial Sensors and Systems (INERTIAL 2022), Avignon, France, 8-11 May 2022, ISBN 9781665402828 (doi: 10.1109/INERTIAL53425.2022.9787761)

Belwanshi, V. , Prasad, A. , Toland, K. , Middlemiss, R. , Paul, D. and Hammond, G. (2022) Investigation of temperature sensitivity of a MEMS gravimeter based on geometric anti-spring. Review of Scientific Instruments, 93(12), 125002. (doi: 10.1063/5.0114664)(PMID:36586950)

Bueno-Alejo, C. J. et al. (2022) Surface passivation with a perfluoroalkane brush improves the precision of single-molecule measurements. ACS Applied Materials and Interfaces, 14(44), pp. 49604-49616. (doi: 10.1021/acsami.2c16647) (PMID:36306432) (PMCID:PMC9650645)

Crawford, K. G. , Grant, J. , Hemakumara, D. T., Li, X. , Thayne, I. and Moran, D. A.J. (2022) High synergy atomic layer etching of AlGaN/GaN with HBr and Ar. Journal of Vacuum Science and Technology A: Vacuum, Surfaces, and Films, 40(4), 042601. (doi: 10.1116/6.0001862)

Di Gaetano, E. , Griffin, P., Keliehor, B., Sorel, M. , Riis, E. and Paul, D. J.(2022) Single-mode Distributed Feedback Lasers for 87Rb Two-Photon Quantum Technology Systems. In: 2022 IEEE Photonics Conference (IPC), Vancouver, BC, Canada, 13-17 November 2022, ISBN 9781665434874 (doi: 10.1109/IPC53466.2022.9975651)

Fan, Y., Yuan, B., Ye, S. , Marsh, J. H. , Huang, Y. and Hou, L. (2022) Dual-Wavelength DFB Laser with 1.28 THz Frequency Spacing Based on Four Phase Shifted Sampling Gratings. 2022 IEEE Photonics Conference (IPC), Vancouver, BC, Canada, 13-17 Nov 2022. ISBN 9781665434874 (doi: 10.1109/IPC53466.2022.9975634)

Fischer, I. A., Brehm, M., De Seta, M., Isella, G., Paul, D. J. , Virgilio, M.and Capellini, G. (2022) On-chip infrared photonics with Si-Ge-heterostructures: what is next? APL Photonics, 7(5), 050901. (doi: 10.1063/5.0078608)

Gallacher, K. , Griffin, P. F., Riis, E., Sorel, M. and Paul, D. J. (2022) Silicon nitride waveguide polarization rotator and polarization beam splitter for chip-scale atomic systems. APL Photonics, 7(4), 046101. (doi: 10.1063/5.0077738)

Gallacher, K. , Griffin, P. F., Riis, E., Sorel, M. and Paul, D. J. (2022) Silicon Nitride Waveguide Polarization Components for Rubidium Saturated Absorption Spectroscopy On-Chip. Conference on Lasers and Electro-Optics (CLEO 2022), San Jose, California, USA, 15-20 May 2022. ISBN 9781957171050

Gallacher, K. , Griffin, P. F., Riis, E., Sorel, M. and Paul, D. J. (2022) Si3 N4 Waveguide Polarization Components for Atomic Systems. In: 2022 IEEE Photonics Conference (IPC), Vancouver, BC, Canada, 13-17 Nov 2022, ISBN 9781665434874 (doi: 10.1109/IPC53466.2022.9975656)

Karami, K. , Dhongde, A., Cheng, H., Reynolds, P. M. , Thoms, S. , Reddy, B. A., Ritter, D., Li, C. and Wasige, E. (2022) Robust sub-100 nm T-gate fabrication process using multi-step development. MNE EUROSENSORS 2022, Leuven, Belgium, 19-23 September 2022.

Karami, K. , Taking, S., Ofiare, A., Elksne, M. , Dhongde, A., Al-Khalidi, A. and Wasige, E. (2022) Investigation of Al2O3, Si3N4 and SiO2 Used for Surface Passivation and Gate Dielectric on AlGaN/GaN Metal-Oxide-Semiconductor High Electron Mobility Transistors. WOCSDICE EXMATEC 2022, Ponta Delgada (São Miguel island–Azores), 3-6 May 2022.

McGilligan, J. P., Gallacher, K. , Griffin, P. F., Paul, D. J. , Arnold, A. S. and Riis, E. (2022) Micro-fabricated components for cold atom sensors.Review of Scientific Instruments, 93, 091101. (doi: 10.1063/5.0101628)(PMID:36182455)

Middlemiss, R. P. et al. (2022) A MEMS Gravimeter with Multi-Axis Gravitational Sensitivity. In: 9th International Symposium on Inertial Sensors and Systems (INERTIAL 2022), Avignon, France, 8-11 May 2022, ISBN 9781665402828 (doi: 10.1109/INERTIAL53425.2022.9787754)

Nugent, N. et al. (2022) Atomic Layer Deposited Niobium and Titanium Nitrides for Superconducting Resonators and Superconducting Through Silicon Vias. American Physical Society March Meeting 2022, Chicago, IL, USA, 14-18 Mar 2022.

Paul, J. , Weides, M. and Hadfield, R. (2022) Fabrication of Superconducting-Devices for Quantum Technologies. James Watt Nanofabrication Centre (JWNC) Mini Conference, Glasgow, UK, 17 May 2022.

Prasad, A. , Middlemiss, R. P. , Noack, A., Anastasiou, K., Bramsiepe, S. G., Toland, K. , Utting, P. R., Paul, D. J. and Hammond, G. D. (2022) A 19 day earth tide measurement with a MEMS gravimeter. Scientific Reports, 12, 13091. (doi: 10.1038/s41598-022-16881-1) (PMID:35906251)(PMCID:PMC9338064)

Sun, Y. et al. (2022) DFB laser array based on four phase-shifted sampled Bragg grating with precise wavelength control. Optics Letters, 47(23), pp. 6237-6240. (doi: 10.1364/OL.475909)

Sun, Y., Sun, X., Yuan, B., Fan, Y., Marsh, J. H. and Hou, L. (2022) DFB Laser Array Based on Four Phase-Shifted Sampled Bragg Gratings. 2022 IEEE Photonics Conference (IPC), Vancouver, BC, Canada, 13-17 Nov 2022. ISBN 9781665434874 (doi: 10.1109/IPC53466.2022.9975710)

Weides, M. et al. (2022) 3D Integration of Superconducting Chips with Through Silicon Vias. 35th Integration Symposium on Superconductivity (ISS2022), Nagoya, Japan, 29 Nov - 01 Dec 2022.

Yi, X. et al. (2023) Afterpulsing in Ge-on-Si single-photon avalanche diodes. IEEE Photonics Technology Letters, 35(7), pp. 959-962. (doi: 10.1109/lpt.2023.3289653)

Yuan, B., Ye, S. , Zhang, Y., Chen, X., Marsh, J. H. and Hou, L. (2022) Dual-Wavelength DFB Laser With 640 GHz Frequency Spacing Based on Sidewall Grating and Reconstruction Equivalent-Chirp Technology. 2022 IEEE Photonics Conference (IPC), Vancouver, BC, Canada, 13-17 Nov 2022. ISBN 9781665434874 (doi: 10.1109/IPC53466.2022.9975688)

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2021

Abohmra, A., Abbas, H. , Kazim, J. U. R. , Rabbani, M. S., Li, C. , Alomainy, A., Imran, M. A. and Abbasi, Q. H. (2021) An ultrawideband microfabricated gold-based antenna array for terahertz communication. IEEE Antennas and Wireless Propagation Letters, 20(11), pp. 2156-2160.(doi: 10.1109/LAWP.2021.3072562)

Albani, M., Bergamaschini, R., Barzaghi, A., Salvalaglio, M., Valente, J. , Paul, D. J. , Voigt, A., Isella, G. and Montalenti, F. (2021) Faceting of Si and Ge crystals grown on deeply patterned Si substrates in the kinetic regime: phase-field modelling and experiments. Scientific Reports, 11, 18825. (doi: 10.1038/s41598-021-98285-1) (PMID:34552147)(PMCID:PMC8458435)

Al-Taai, Q. R. A. , Al-Khalidi, A. , Wang, J., Romeira, B., Figueiredo, J. and Wasige, E. (2021) Extremely low-power consumption nano-RTD photodetectors for future neuromorphic computing. 44th Workshop on Compound Semiconductor Devices and Integrated Circuits held in Europe (WOCSDICE), Bristol, UK, 14-17 Jun 2021.

Al-Taai, Q. R. A. , Wang, J., Morariu, R. , Ofiare, A., Al-Khalidi, A. and Wasige, E. (2021) Analysis of stability of nano- vs micro-sized resonant tunnelling diode (RTD) devices for future neuromorphic computing applications. International Journal of Nanoelectronics and Materials, 14, pp. 149-155.

Baity, P. G. et al. (2021) Strong magnon-photon coupling with chip-integrated YIG in the zero-temperature limit. Applied Physics Letters, 119(3), 033502. (doi: 10.1063/5.0054837)

Baity, P. G. et al. (2021) Strong Magnon-Photon Coupling On-Chip for YIG in the Zero-Temperature Limit. American Physical Society March Meeting 2021, Online, 15-19 Mar 2021.

Barzaghi, A. et al. (2021) Self-Assembled Ge-on-Si Microcrystals for Single Photon Detection. Micro and Nano Engineering Conference, Turin, Italy, 20-23 Sep 2021.

Crawford, K. G. , Maini, I., Macdonald, D. A. and Moran, D. A.J. (2021) Surface transfer doping of diamond: a review. Progress in Surface Science, 96(1), 100613. (doi: 10.1016/j.progsurf.2021.100613)

Di Gaetano, E. , Watson, S. , McBrearty, E. , Sorel, M. and Paul, D. J.(2021) Sub-MHz linewidth distributed feedback laser at 780.24-nm emission wavelength for 87Rb applications. Novel In-Plane Semiconductor Lasers XX, 06-12 Mar 2021. ISBN 9781510642454(doi: 10.1117/12.2582524)

Fischer, M. P., Maccaferri, N., Gallacher, K. , Frigerio, J., Pellegrini, G., Paul, D. J. , Isella, G., Leitenstorfer, A., Biagioni, P. and Brida, D. (2021)Field-resolved detection of the temporal response of a single plasmonic antenna in the mid-infrared. Optica, 8(6), pp. 898-903. (doi: 10.1364/OPTICA.420683)

Frigerio, J. et al. (2021) Ge-on-Si Based Mid-infrared Plasmonics. In: Silicon Photonics XVI, 06-12 Mar 2021, 116910M. (doi: 10.1117/12.2576175)

Gallacher, K. , Grickeviciute, U., Millar, R. W. and Paul, D. J. (2021) Ge on Si Photonics Platform for Mid-Infrared Sensors. In: 2021 IEEE Photonics Society Summer Topicals Meeting Series (SUM), Cabo San Lucas, Mexico, 19-21 July 2021, ISBN 9781665416009 (doi: 10.1109/SUM48717.2021.9505799)

Hou, B., Ye, S. , Liang, S., Marsh, J. H. and Hou, L. (2021) Low Divergence Dual-Grating Distributed Feedback Lasers Operating at 1.0 µm. In: CLEO 2021, 9-14 May 2021, SW2A.2. ISBN 9781943580910 (doi: 10.1364/CLEO_SI.2021.SW2A.2)

Karami, K. , Taking, S., Dhongde, A., Ofiare, A., Al-Khalidi, A. and Wasige, E. (2021) Heavily doped n++ GaN cap layer AlN/GaN metal oxide semiconductor high electron mobility transistor. International Journal of Nanoelectronics and Materials, 14, pp. 45-51.

Karami, K. , Taking, S., Ofiare, A., Dhongde, A., Al-Khalidi, A. and Wasige, E. (2021) High performance of n++GaN/AlN/GaN high electron mobility transistor. 44th Workshop on Compound Semiconductor Devices and Integrated Circuits held in Europe (WOCSDICE), Bristol, UK, 14-17 June 2021.

Middlemiss, R. P. , Campsie, P., Cunningham, W. , Douglas, R., McIvor, V., Hough, J. , Rowan, S. , Paul, D. J. , Prasad, A. and Hammond, G. D. (2021)A MEMS gravimeter with multi-axis gravitational sensitivity. arXiv,(Unpublished)

Millar, R. W. et al. (2021) Pseudo-planar Ge-on-Si Single-photon Avalanche Diode Detector with Record Low Noise-equivalent Power.In: SPIE PHOTONEX, Glasgow, UK, 28 Sep - 01 Oct 2021, (doi: 10.1117/12.2599033)

Millar, R. W. et al. (2021) Ge-on-Si Single-Photon Avalanche Diode Detectors with Low Noise Equivalent Power in the Short-Wave Infrared. In: 2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC), Munich, Germany, 21-25 June 2021, ISBN 9781665418768 (doi: 10.1109/CLEO/Europe-EQEC52157.2021.9542785)

Pedrini, J., Barzaghi, A., Valente, J. , Paul, D. J. , Isella, G. and Pezzoli, F.(2021) Photonic band gap and light routing in self-assembled lattices of epitaxial Ge-on-Si microstructures. Physical Review Applied, 16(6), 064024. (doi: 10.1103/PhysRevApplied.16.064024)

Prasad, A. , Middlemiss, R. P. , Anastasiou, K., Bramsiepe, S. G. , Noack, A., Paul, D. J. , Toland, K. , Utting, P. R. and Hammond, G. D. (2021) A Nineteen Day Earth Tide Measurement with a MEMS Gravimeter.arXiv, (Unpublished)

Stark, D. et al. (2021) THz intersubband electroluminescence from n-type Ge/SiGe quantum cascade structures. Applied Physics Letters, 118(10), 101101. (doi: 10.1063/5.0041327)

Stark, D. et al. (2021) THz Intersubband Emitter based on Silicon. In: 27th International Semiconductor Laser Conference (ISLC 2021), Potsdam, Germany, 10-14 Oct 2021, ISBN 9781665430944 (doi: 10.1109/ISLC51662.2021.9615725)

Taylor, G. G.Morozov, D. V. Lennon, C. T.Barry, P. S.Sheagren, C. and Hadfield, R. H.  (2021) Infrared single-photon sensitivity in atomic layer deposited superconducting nanowires. Applied Physics Letters, 118(19), 191106. (doi: 10.1063/5.0048799)

Tetzner, H., Fischer, I.A., Skibitzki, O., Mirza, M. M.A. , Manganelli, C.L., Luongo, G., Spirito, D., Paul, D. J. , De Seta, M. and Capellini, G. (2021)Current leakage mechanisms related to threading dislocations in Ge-rich SiGe heterostructures grown on Si(001). Applied Physics Letters, 119(15), 153504. (doi: 10.1063/5.0064477)

Thorburn, F., Yi, X., Greener, Z. M., Kirdoda, J. , Millar, R. W. , Huddleston, L. L., Paul, D. J. and Buller, G. S. (2021) Ge-on-Si single-photon avalanche diode detectors for short-wave infrared wavelengths.Journal of Physics: Photonics, 4, 012001. (doi: 10.1088/2515-7647/ac3839)

Toland, K. , Prasad, A. , Noack, A., Anastasiou, K., Middlemiss, R. , Paul, D. and Hammond, G. (2021) Development and Assembly of a MEMS Based High-Sensitivity Relative Gravimeter for Multi-Pixel Imaging Applications. EGU General Assembly 2021, 19-30 Apr 2021. (doi: 10.5194/egusphere-egu21-13167)

Stark, D. et al. (2021) Terahertz intersubband electroluminescence from n-type germanium quantum wells. In: 2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC), Munich, Germany, 21-25 June 2021, ISBN 9781665448048 (doi: 10.1109/CLEO/Europe-EQEC52157.2021.9541838)

Sun, X., Ye, S. , Seddon, J., Renaud, C. C., Hou, L. and Marsh, J. H. (2021) Modeling and Measurement of a HSQ Passivated UTC-PD with a 68.9 GHz Bandwidth. In: 2021 IEEE Photonics Conference (IPC), 18-22 Oct 2021, ISBN 9781665416016 (doi: 10.1109/IPC48725.2021.9593051)

Zhang, W.Al-Khalidi, A. Figueiredo, J.Al-Taai, Q. R. A. Wasige, E.  and Hadfield, R. H.  (2021) Analysis of excitability in resonant tunneling diode-photodetectors. Nanomaterials, 11(6), 1590. (doi: 10.3390/nano11061590)

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2020

Barzaghi, A. et al. (2020) Self-assembly of nanovoids in Si microcrystals epitaxially grown on deeply patterned substrates.Crystal Growth and Design, 20(5), pp. 2914-2920. (doi: 10.1021/acs.cgd.9b01312)

Carbone, D. et al. (2020) The NEWTON-g gravity imager: toward new paradigms for terrain gravimetry. Frontiers in Earth Science, 8, 573396.(doi: 10.3389/feart.2020.573396)

Ciano, C. et al. (2020) Terahertz absorption-saturation and emission from electron-doped germanium quantum wells. Optics Express, 28(5), pp. 7245-7258. (doi: 10.1364/OE.381471)

Di Gaetano, E. , Watson, S. , McBrearty, E. , Sorel, M. and Paul, D.J.(2020) Sub-MHz linewidth 780.24 nm distributed feedback laser for ⁸⁷Rb applications. Optics Letters, 45(13), pp. 3529-3532. (doi: 10.1364/OL.394185)

Ferre Llin, L. et al. (2020) High sensitivity Ge-on-Si single-photon avalanche diode detectors. Optics Letters, 45(23), pp. 6406-6409. (doi: 10.1364/OL.396756)

Fraser, J. P. et al. (2020) Selective phase growth and precise-layer control in MoTe2. Communications Materials, 1, 48. (doi: 10.1038/s43246-020-00048-4)

Gallacher, K. , Millar, R. W. , Griskeviciute, U., Sinclair, M. , Sorel, M. , Baldassarre, L., Ortolani, M., Soref, R. and Paul, D. J. (2020) Ge-on-Si Waveguide Polarization Rotator Operating in the 8-14 µm Atmospheric Transmission Window. In: CLEO: Applications and Technology 2020, Washington, DC, USA, 10-15 May 2020, STh4L.8. ISBN 9781943580767 (doi: 10.1364/CLEO_SI.2020.STh4L.8)

Gallacher, K. , Millar, R. W. , Griskeviciute, U., Sinclair, M. , Sorel, M. , Baldassarre, L., Ortolani, M., Soref, R. and Paul, D. J. (2020) Ge-on-Si Mid-Infrared Waveguide Platform for Molecular Fingerprint Sensing.In: 22nd International Conference on Transparent Optical Networks (ICTON), Bari, Italy, 19-23 July 2020, ISBN 9781728184241 (doi: 10.1109/ICTON51198.2020.9203237)

Gallacher, K. et al. (2020) Characterization of integrated waveguides by atomic-force-microscopy-assisted mid-infrared imaging and spectroscopy. Optics Express, 28(15), pp. 22186-22199. (doi: 10.1364/OE.393748)

Gallacher, K. et al. (2020) Design and simulation of losses in Ge/SiGe terahertz quantum cascade laser waveguides. Optics Express, 28(4), pp. 4786-4800. (doi: 10.1364/OE.384993)

Gallacher, K. , Millar, R. W. , Griskeviciute, U., Sinclair, M. , Sorel, M. , Baldassarre, L., Ortolani, M., Soref, R. and Paul, D. J. (2020) Ultra-broadband mid-infrared Ge-on-Si waveguide polarization rotator. APL Photonics, 5(2), 026102. (doi: 10.1063/1.5134973)

Griskeviciute, U., Millar, R. W. , Gallacher, K. , Valente, J. and Paul, D. J.(2020) Ge-on-Si waveguides for sensing in the molecular fingerprint regime. Optics Express, 28(4), pp. 5749-5757. (doi: 10.1364/OE.382356)

Kirdoda, J. , Dumas, D. C.S., Millar, R. W. , Mirza, M. M. , Paul, D. J. , Kuzmenko, K., Vines, P., Greener, Z. and Buller, G. S. (2020) Geiger Mode Ge-on-Si Single-Photon Avalanche Diode Detectors. In: 2019 IEEE 2nd British and Irish Conference on Optics and Photonics (BICOP), London, UK, 11-13 Dec 2019, ISBN 9781728149486 (doi: 10.1109/BICOP48819.2019.9059574)

Kuzmenko, K. et al. (2020) 3D LIDAR imaging using Ge-on-Si single–photon avalanche diode detectors. Optics Express, 28(2), pp. 1330-1344. (doi: 10.1364/OE.383243)

Millar, R. W. et al. (2020) Ge-on-Si Single Photon Avalanche Diode Detectors for LIDAR in the Short Wave Infrared. In: CLEO: Applications and Technology 2020, Washington, DC, USA, 10-15 May 2020, AF2I.6. ISBN 9781943580767 (doi: 10.1364/CLEO_AT.2020.AF2I.6)

Pruiti, N. G. , Klitis, C. , Gough, C., May, S. and Sorel, M. (2020) Thermo-optic coefficient of PECVD silicon-rich silicon nitride. Optics Letters, 45(22), pp. 6242-6245. (doi: 10.1364/OL.403357) (PMID:33186960)

Sinclair, M. , Gallacher, K. , Sorel, M. , Bayley, J. C., McBrearty, E. , Millar, R. W. , Hild, S. and Paul, D. J. (2020) 1.4 million Q factor Si₃N₄ micro-ring resonator at 780 nm wavelength for chip-scale atomic systems.Optics Express, 28(3), pp. 4010-4020. (doi: 10.1364/OE.381224)

Sinclair, M. , Gallacher, K. , Sorel, M. , Bayley, J. C. , McBrearty, E. , Millar, R. W. , Hild, S. and Paul, D. J. (2020) 1.4 Million Q-Factor 780 nm Wavelength Si3N4 Micro-rings for Chip-Scale Atomic Systems. In: CLEO: Applications and Technology 2020, Washington, DC, USA, 10-15 May 2020, STu4O.8. ISBN 9781943580767 (doi: 10.1364/CLEO_SI.2020.STu4O.8)

The University Court Of The University of Glasgow. Heriot-Watt University (2020) Single photon avalanche detector, method for use therefore and for its manufacture.

Thorburn, F. E. et al. (2020) High Efficiency Planar Geometry Germanium-on-silicon Single-photon Avalanche Diode Detectors. In: Advanced Photon Counting Techniques XIV, 27 Apr - 08 May 2020, 113860N. ISBN 9781510635494 (doi: 10.1117/12.2559620)

Watson, S. , Di Gaetano, E. , McBrearty, E. , Sorel, M. and Paul, D. J.(2020) Narrow Linewidth Distributed Feedback Diode Lasers for Cooling in Cold Atom Systems. In: CLEO: Applications and Technology 2020, Washington, DC, USA, 10-15 May 2020, AF3I.5. ISBN 9781943580767 (doi: 10.1364/CLEO_AT.2020.AF3I.5)

Watson, S. et al. (2020) Distributed Feedback Lasers for Quantum Cooling Applications. In: 22nd International Conference on Transparent Optical Networks (ICTON), Bari, Italy, 19-23 July 2020, ISBN 9781728184241 (doi: 10.1109/ICTON51198.2020.9203200)

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