2024

Zhang, W., Hejda, M., Al-Taai, Q. R. A. , Owen-Newns, D., Romeira, B., Figueiredo, J. M. L., Robertson, J., Wasige, E. and Hurtado, A. (2024) Photonic-electronic spiking neuron with multi-modal and multi-wavelength excitatory and inhibitory operation for high-speed neuromorphic sensing and computing. Neuromorphic Computing and Engineering, (doi: 10.1088/2634-4386/ad8df8) (Early Online Publication)

Hejda, M. et al. (2024) Programmable optical synaptic linking of neuromorphic photonic-electronic RTD spiking circuits. ACS Photonics, (doi: 10.1021/acsphotonics.4c01199) (Early Online Publication)

Robertson, J., Black, D., Al-Taai, Q. , Donati, G., Maylsheva, E., Romeira, B., Figueiredo, J., Dolores-Calzadilla, V., Wasige, E. and Hurtado, A. (2024) Ultrafast Temporal Integration and Pattern Recognition with Photonic-Electronic RTD Spiking Neurons. In: IEEE Photonics Conference (IPC), Rome, Italy, 10-14 Nov 2024, (Accepted for Publication)

2023

Jiang, Y., Zhong, M., Ma, Y. , Khusna, E. M., Yi, Y., Ofiare, A., Al-Taai, Q. , Al-Moathin, A. and Li, C. (2023) An X-band Lens Antenna Based on Metasurface. In: 16th UK-Europe-China Workshop on Millimetre Waves and Terahertz Technologies (UCMMT2023), Guangzhou, China, 31 Aug - 02 Sep 2023, ISBN 9798350339406 (doi: 10.1109/UCMMT58116.2023.10310524)

Al-Moathin, A. et al. (2023) Characterization of a Compact Wideband Microwave Metasurface Lens for Cryogenic Applications. In: 2023 101st ARFTG Microwave Measurement Conference, San Diego, CA, USA, 16 Jun 2023, ISBN 9798350323450 (doi: 10.1109/ARFTG57476.2023.10279542)

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)

Romeira, B. et al. (2023) Brain-inspired nanophotonic spike computing: challenges and prospects. Neuromorphic Computing and Engineering, 3(3), 033001. (doi: 10.1088/2634-4386/acdf17)

Alomari, S., Al-Taai, Q. , Elksne, M. , Al-Khalidi, A. , Wasige, E. and Figueiredo, J. (2023) Speed limitations of resonant tunneling diode-based photodetectors. Optics Express, 31(11), pp. 18300-18317. (doi: 10.1364/OE.486701)

Hejda, M. et al. (2023) Artificial optoelectronic spiking neuron based on a resonant tunnelling diode coupled to a vertical cavity surface emitting laser. Nanophotonics, 12(5), pp. 857-867. (doi: 10.1515/nanoph-2022-0362)

Zhang, W., Hejda, M., Malysheva, E., Al-taai, Q. , Javaloyes, J., Wasige, E. , Figueiredo, J. M. L., Calzadilla, V., Romeira, B. and Hurtado, A. (2023) Tuneable presynaptic weighting in optoelectronic spiking neurons built with laser-coupled resonant tunneling diodes. Journal of Physics D: Applied Physics, 56, 084001. (doi: 10.1088/1361-6463/aca914)

2022

Lourenco, J., Al-Taai, Q. R. A. , Wasige, E. and Figueiredo, J. (2022) Resonant Tunnelling Diode – Photodetectors for Spiking Neural Networks. In: 5th International Conference on Application of Optics and Photonics (AOP2022), Guimarães, Portugal, 18-22 July 2022, (doi: 10.1088/1742-6596/2407/1/012047)

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)

Al-Moathin, A. et al. (2022) EML based on identical epitaxial layer, side-wall grating and HSQ planarization. IEEE Photonics Technology Letters, 34(6), pp. 317-320. (doi: 10.1109/LPT.2022.3155730)

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.

Cimbri, D. , Weimann, N., Al-Taai, Q. R. A. , Ofiare, A. and Wasige, E. (2021) Ohmic contacts optimisation for high-power InGaAs/AlAs double-barrier resonant tunnelling diodes based on a dual-exposure E-beam lithography approach. International Journal of Nanoelectronics and Materials, 14, pp. 11-19.

Al-Moathin, A., Li, C. , Wang, J., Al-Taai, Q. R. A. , Eddie, I., Ye, S. , Hou, L. , Thoms, S. , Kelly, A. and Marsh, J. H. (2021) Traveling-Wave Electroabsorption Modulated Laser Based on Identical Epitaxial Layer Scheme and HSQ Planarization. In: CLEO/Europe-EQEC 2021, Munich, Germany, 21-25 Jun 2021, ISBN 9781665418768 (doi: 10.1109/CLEO/Europe-EQEC52157.2021.9542652)

Al-Moathin, A., Ye, S. , Watson, S. , Di Gaetano, E. , Al-Taai, Q. R. A. , Eddie, I., Li, C., Hou, L. , Kelly, A. and Marsh, J. H. (2021) Electroabsorption Modulated Laser Based on Identical Epitaxial Layer and Transmission Line Technology. In: CLEO/Europe-EQEC 2021, Munich, Germany, 21-25 Jun 2021, ISBN 9781665418768 (doi: 10.1109/CLEO/Europe-EQEC52157.2021.9542103)

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.

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)

Articles

Zhang, W., Hejda, M., Al-Taai, Q. R. A. , Owen-Newns, D., Romeira, B., Figueiredo, J. M. L., Robertson, J., Wasige, E. and Hurtado, A. (2024) Photonic-electronic spiking neuron with multi-modal and multi-wavelength excitatory and inhibitory operation for high-speed neuromorphic sensing and computing. Neuromorphic Computing and Engineering, (doi: 10.1088/2634-4386/ad8df8) (Early Online Publication)

Hejda, M. et al. (2024) Programmable optical synaptic linking of neuromorphic photonic-electronic RTD spiking circuits. ACS Photonics, (doi: 10.1021/acsphotonics.4c01199) (Early Online Publication)

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)

Romeira, B. et al. (2023) Brain-inspired nanophotonic spike computing: challenges and prospects. Neuromorphic Computing and Engineering, 3(3), 033001. (doi: 10.1088/2634-4386/acdf17)

Alomari, S., Al-Taai, Q. , Elksne, M. , Al-Khalidi, A. , Wasige, E. and Figueiredo, J. (2023) Speed limitations of resonant tunneling diode-based photodetectors. Optics Express, 31(11), pp. 18300-18317. (doi: 10.1364/OE.486701)

Hejda, M. et al. (2023) Artificial optoelectronic spiking neuron based on a resonant tunnelling diode coupled to a vertical cavity surface emitting laser. Nanophotonics, 12(5), pp. 857-867. (doi: 10.1515/nanoph-2022-0362)

Zhang, W., Hejda, M., Malysheva, E., Al-taai, Q. , Javaloyes, J., Wasige, E. , Figueiredo, J. M. L., Calzadilla, V., Romeira, B. and Hurtado, A. (2023) Tuneable presynaptic weighting in optoelectronic spiking neurons built with laser-coupled resonant tunneling diodes. Journal of Physics D: Applied Physics, 56, 084001. (doi: 10.1088/1361-6463/aca914)

Al-Moathin, A. et al. (2022) EML based on identical epitaxial layer, side-wall grating and HSQ planarization. IEEE Photonics Technology Letters, 34(6), pp. 317-320. (doi: 10.1109/LPT.2022.3155730)

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.

Cimbri, D. , Weimann, N., Al-Taai, Q. R. A. , Ofiare, A. and Wasige, E. (2021) Ohmic contacts optimisation for high-power InGaAs/AlAs double-barrier resonant tunnelling diodes based on a dual-exposure E-beam lithography approach. International Journal of Nanoelectronics and Materials, 14, pp. 11-19.

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)

Conference or Workshop Item

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.

Conference Proceedings

Robertson, J., Black, D., Al-Taai, Q. , Donati, G., Maylsheva, E., Romeira, B., Figueiredo, J., Dolores-Calzadilla, V., Wasige, E. and Hurtado, A. (2024) Ultrafast Temporal Integration and Pattern Recognition with Photonic-Electronic RTD Spiking Neurons. In: IEEE Photonics Conference (IPC), Rome, Italy, 10-14 Nov 2024, (Accepted for Publication)

Jiang, Y., Zhong, M., Ma, Y. , Khusna, E. M., Yi, Y., Ofiare, A., Al-Taai, Q. , Al-Moathin, A. and Li, C. (2023) An X-band Lens Antenna Based on Metasurface. In: 16th UK-Europe-China Workshop on Millimetre Waves and Terahertz Technologies (UCMMT2023), Guangzhou, China, 31 Aug - 02 Sep 2023, ISBN 9798350339406 (doi: 10.1109/UCMMT58116.2023.10310524)

Al-Moathin, A. et al. (2023) Characterization of a Compact Wideband Microwave Metasurface Lens for Cryogenic Applications. In: 2023 101st ARFTG Microwave Measurement Conference, San Diego, CA, USA, 16 Jun 2023, ISBN 9798350323450 (doi: 10.1109/ARFTG57476.2023.10279542)

Lourenco, J., Al-Taai, Q. R. A. , Wasige, E. and Figueiredo, J. (2022) Resonant Tunnelling Diode – Photodetectors for Spiking Neural Networks. In: 5th International Conference on Application of Optics and Photonics (AOP2022), Guimarães, Portugal, 18-22 July 2022, (doi: 10.1088/1742-6596/2407/1/012047)

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)

Al-Moathin, A., Li, C. , Wang, J., Al-Taai, Q. R. A. , Eddie, I., Ye, S. , Hou, L. , Thoms, S. , Kelly, A. and Marsh, J. H. (2021) Traveling-Wave Electroabsorption Modulated Laser Based on Identical Epitaxial Layer Scheme and HSQ Planarization. In: CLEO/Europe-EQEC 2021, Munich, Germany, 21-25 Jun 2021, ISBN 9781665418768 (doi: 10.1109/CLEO/Europe-EQEC52157.2021.9542652)

Al-Moathin, A., Ye, S. , Watson, S. , Di Gaetano, E. , Al-Taai, Q. R. A. , Eddie, I., Li, C., Hou, L. , Kelly, A. and Marsh, J. H. (2021) Electroabsorption Modulated Laser Based on Identical Epitaxial Layer and Transmission Line Technology. In: CLEO/Europe-EQEC 2021, Munich, Germany, 21-25 Jun 2021, ISBN 9781665418768 (doi: 10.1109/CLEO/Europe-EQEC52157.2021.9542103)