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2024
Zhang, Weikang and Hejda, Matěj and Al-Taai, Qusay Raghib Ali and Owen-Newns, Dafydd and Romeira, Bruno and Figueiredo, José M. L. and Robertson, Joshua and Wasige, Edward and Hurtado, Antonio (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, 4 (4). 044006. ISSN 2634-4386
Hejda, Matěj and Zhang, Weikang and Al-Taai, Qusay Raghib Ali and Malysheva, Ekaterina and Owen-Newns, Dafydd and Figueiredo, José M. L. and Romeira, Bruno and Robertson, Joshua and Dolores-Calzadilla, Victor and Wasige, Edward and Hurtado, Antonio (2024) Programmable optical synaptic linking of neuromorphic photonic-electronic RTD spiking circuits. ACS Photonics, 11 (10). pp. 4279-4287. ISSN 2330-4022
Hejda, Matěj and Doris, Eli A. and Bilodeau, Simon and Robertson, Joshua and Owen-Newns, Dafydd and Shastri, Bhavin J and Prucnal, Paul R and Hurtado, Antonio (2024) Optical spike amplitude weighting and neuromimetic rate coding using a joint VCSEL-MRR neuromorphic photonic system. Neuromorphic Computing and Engineering, 4 (2). 024011. ISSN 2634-4386
2023
Alves, Pedro Urbano and Guilhabert, Benoit J. E. and McPhillimy, John R. and Jevtics, Dimitars and Strain, Michael J. and Hejda, Matěj and Cameron, Douglas and Edwards, Paul R. and Martin, Robert W. and Dawson, Martin D. and Laurand, Nicolas (2023) Waveguide-integrated colloidal nanocrystal supraparticle lasers. ACS Applied Optical Materials, 1 (11). pp. 1836-1846. ISSN 2771-9855
Romeira, Bruno and Adão, Ricardo and Nieder, Jana B and Al-Taai, Qusay and Zhang, Weikang and Hadfield, Robert H and Wasige, Edward and Hejda, Matěj and Hurtado, Antonio and Malysheva, Ekaterina and Dolores Calzadilla, Victor and Lourenço, João and Castro Alves, D and Figueiredo, José M L and Ortega-Piwonka, Ignacio and Javaloyes, Julien and Edwards, Stuart and Davies, J Iwan and Horst, Folkert and Offrein, Bert J (2023) Brain-inspired nanophotonic spike computing : challenges and prospects. Neuromorphic Computing and Engineering, 3 (3). 033001. ISSN 2634-4386
Ali Al-Taai, Qusay Raghib and Hejda, Matěj and Zhang, Weikang and Romeira, Bruno and Figueiredo, José M L and Wasige, Edward and Hurtado, Antonio (2023) Optically-triggered deterministic spiking regimes in nanostructure resonant tunnelling diode-photodetectors. Neuromorphic Computing and Engineering, 3 (3). 034012. ISSN 2634-4386
Owen-Newns, Dafydd and Robertson, Joshua and Hejda, Matěj and Hurtado, Antonio (2023) Photonic spiking neural networks with highly efficient training protocols for ultrafast neuromorphic computing systems. Intelligent Computing, 2. 0031. ISSN 2771-5892
Hejda, Matĕj and Vaughan, Martin and Henning, Ian and Al-Seyab, Rihab and Hurtado, Antonio and Adams, Mike (2023) Spiking behaviour in laterally-coupled pairs of VCSELs with applications in neuromorphic photonics. IEEE Journal of Selected Topics in Quantum Electronics, 29 (2). pp. 1-10. ISSN 1077-260X
Hejda, Matěj and Malysheva, Ekaterina and Owen-Newns, Dafydd and Ali Al-Taai, Qusay Raghib and Zhang, Weikang and Ortega-Piwonka, Ignacio and Javaloyes, Julien and Wasige, Edward and Dolores-Calzadilla, Victor and Figueiredo, José M. L. and Romeira, Bruno and Hurtado, Antonio (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. ISSN 2192-8614
Owen-Newns, Dafydd and Robertson, Joshua and Hejda, Matĕj and Hurtado, Antonio (2023) GHz rate neuromorphic photonic spiking neural network with a single Vertical-Cavity Surface-Emitting Laser (VCSEL). IEEE Journal of Selected Topics in Quantum Electronics, 29 (2). pp. 1-10. 1500110. ISSN 1077-260X
Zhang, Weikang and Hejda, Matěj and Malysheva, Ekaterina and Ali Al-Taai, Qusay Raghib and Javaloyes, Julien and Wasige, Edward and Figueiredo, José M. L. and Dolores-Calzadilla, Victor and Romeira, Bruno and Hurtado, Antonio (2023) Tunable presynaptic weighting in optoelectronic spiking neurons built with laser-coupled resonant tunneling diodes. Journal of Physics D: Applied Physics, 56 (8). 084001. ISSN 1361-6463
2022
Hejda, Matej and Malysheva, Ekaterina and Al-Taai, Qusay Raghib Ali and Wasige, Edward and Dolores-Calzadilla, Victor and Figueiredo, Jose and Romeira, Bruno and Hurtado, Antonio; (2022) Artificial optoelectronic spiking neurons with laser-coupled resonant tunnelling diode systems. In: 2022 IEEE Photonics Conference (IPC). 2022 IEEE Photonics Conference (IPC) . IEEE. ISBN 978-1-6654-3487-4
Robertson, Joshua and Alanis, Juan Arturo and Hejda, Matej and Owen-Newns, Dafydd and Hurtado, Antonio; (2022) Interconnected VCSEL-based photonic synapses for neuromorphic processsing architectures. In: 2022 IEEE Photonics Conference (IPC). 2022 IEEE Photonics Conference (IPC) . IEEE. ISBN 978-1-6654-3487-4
Owen-Newns, Dafydd and Zhang, Weikang and Alanis, Juan and Bueno, Julian and Robertson, Joshua and Hejda, Matej and Hurtado, Antonio; Costa, Manuel Filipe P. C. M., ed. (2022) Photonic neuromorphic computing with vertical cavity surface emitting lasers. In: Abstract Book of the 5th International Conference on Applications of Optics and Photonics. Portuguese Society for Optics and Photonics (SPOF), PRT, p. 146. ISBN 9789898798084
Ortega-Piwonka, Ignacio and Hejda, Matěj and Alanis, Juan and Lourenço, João and Hurtado, Antonio and Figueiredo, José and Romeira, Bruno and Javaloyes, Julien (2022) Spike propagation in a nanolaser-based optoelectronic neuron. Optical Materials Express, 12 (7). pp. 2679-2696. ISSN 2159-3930
Skalli, Anas and Robertson, Joshua and Owen-Newns, Dafydd and Hejda, Matej and Porte, Xavier and Reitzenstein, Stephan and Hurtado, Antonio and Brunner, Daniel (2022) Photonic neuromorphic computing using vertical cavity semiconductor lasers. Optical Materials Express, 12 (6). pp. 2395-2414. ISSN 2159-3930
Klicova, Marketa and Oulehlova, Zuzana and Klapstova, Andrea and Hejda, Matěj and Krejcik, Michal and Novak, Ondrej and Mullerova, Jana and Erben, Jakub and Rosendorf, Jachym and Palek, Richard and Liska, Vaclav and Fucikova, Anna and Chvojka, Jiri and Zvercova, Iveta and Horakova, Jana (2022) Biomimetic hierarchical nanofibrous surfaces inspired by superhydrophobic lotus leaf structure for preventing tissue adhesions. Materials and Design, 217. 110661. ISSN 0264-1275
Hejda, Matěj and Alanis, Juan and Ortega-Piwonka, Ignacio and Figueiredo, José and Lourenco, João and Javaloyes, Julien and Romeira, Bruno and Hurtado, Antonio; (2022) Photonic spiking neural network with resonant tunnelling diode optoelectronic neurons. In: Conference on Lasers and Electro-Optics. Optica, San José, CA..
Robertson, Joshua and Alanis, Juan Arturo and Hejda, Matĕj and Hurtado, Antonio (2022) Photonic synaptic system for MAC operations by interconnected vertical cavity surface emitting lasers. Optical Materials Express, 12 (4). pp. 1417-1426. ISSN 2159-3930
Robertson, Joshua and Kirkland, Paul and Alanis, Juan Arturo and Hejda, Matěj and Bueno, Julián and Di Caterina, Gaetano and Hurtado, Antonio (2022) Ultrafast neuromorphic photonic image processing with a VCSEL neuron. Scientific Reports, 12. 4874. ISSN 2045-2322
Hejda, Matej and Alanis, Juan Arturo and Ortega-Piwonka, Ignacio and Lourenco, João and Figueiredo, José and Javaloyes, Julien and Romeira, Bruno and Hurtado, Antonio (2022) Resonant tunneling diode nano-optoelectronic excitable nodes for neuromorphic spike-based information processing. Physical Review Applied, 17 (2). 024072. ISSN 2331-7043
2021
Alanis, Juan Arturo and Robertson, Joshua and Hejda, Matěj and Hurtado, Antonio (2021) Weight adjustable photonic synapse by nonlinear gain in a vertical cavity semiconductor optical amplifier. Applied Physics Letters, 119 (20). 201104. ISSN 0003-6951
Simon, Gergely and Hantos, Gergely B. and Hejda, Matĕj and Bernassau, Anne L. and Desmulliez, Marc P. Y.; (2021) Particle trajectories and transverse dispersion in acoustic microfluidic devices. In: 2021 IEEE International Ultrasonics Symposium (IUS). IEEE International Ultrasonics Symposium . IEEE, CHN. ISBN 9781665403559
Hantos, Gergely B. and Simon, Gergely and Hejda, Matčj and Bernassau, Anne L. and Desmulliez, Marc P. Y.; (2021) Automated particle and cell phenotyping using object recognition and tracking based on machine learning algorithms. In: 2021 IEEE International Ultrasonics Symposium (IUS). IEEE Ultrasonics Symposium . IEEE, CHN, pp. 1-4. ISBN 9781665403559
Hejda, Matĕj and Robertson, Joshua and Bueno, Julián and Alanis, Juan Arturo and Hurtado, Antonio; (2021) Photonic VCSEL-neuron for spike-rate representation of digital image data. In: 2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC). 2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC) . IEEE, DEU. ISBN 9781665418768
Romeira, B. and Nieder, J. B. and Jacob, B. and Adão, R. M. R. and Camarneiro, F. and Alanis, J. Arturo and Hejda, M. and Hurtado, A. and Lourenço, J. and Castro Alves, D. and Figueiredo, J. M. L. and Ortega-Piwonka, I. and Javaloyes, J.; (2021) Subwavelength neuromorphic nanophotonic integrated circuits for spike-based computing : challenges and prospects. In: Proceedings Volume 11804, Emerging Topics in Artificial Intelligence (ETAI) 2021. Emerging Topics in Artificial Intelligence, 11804 . SPIE, USA. ISBN 9781510644472
Bueno, Julian and Robertson, Joshua and Hejda, Matěj and Hurtado, Antonio (2021) Comprehensive performance analysis of a VCSEL-based photonic reservoir computer. IEEE Photonics Technology Letters, 33 (16). pp. 920-923. 9415868. ISSN 1041-1135
Hejda, Matej and Robertson, Joshua and Bueno, Julian and Alanis, Juan and Hurtado, Antonio (2021) Neuromorphic encoding of image pixel data into rate-coded optical spike trains with a photonic VCSEL-neuron. APL Photonics, 6 (6). 060802. ISSN 2378-0967
Zhang, Yahui and Robertson, Joshua and Xiang, Shuiying and Hejda, Matěj and Bueno, Julián and Hurtado, Antonio (2021) All-optical neuromorphic binary convolution with a spiking VCSEL neuron for image gradient magnitudes. Photonics Research, 9 (5). B201-B209. ISSN 2327-9125
2020
Robertson, Joshua and Zhang, Yahui and Hejda, Matěj and Bueno, Julián and Xiang, Shuiying and Hurtado, Antonio (2020) Image edge detection with a photonic spiking VCSEL-neuron. Optics Express, 28 (25). pp. 37526-37537. ISSN 1094-4087
Robertson, Joshua and Hejda, Matěj and Bueno, Julián and Hurtado, Antonio (2020) Ultrafast optical integration and pattern classification for neuromorphic photonics based on spiking VCSEL neurons. Scientific Reports, 10 (1). 6098. ISSN 2045-2322
Robertson, Joshua and Hejda, Matĕj and Zhang, Yahui and Bueno, Julián and Xiang, Shuiying and Hurtado, Antonio; (2020) Neuromorphic object edge detection with artificial photonic spiking VCSEL-neurons. In: 2020 IEEE Photonics Conference. Institute of Electrical and Electronics Engineers Inc., CAN. ISBN 9781728158914
Bueno, Julián and Robertson, Joshua and Hejda, Matĕj and Hurtado, Antonio; (2020) Experimental implementation of a photonic neural network with a 1550nm-vcsel subject to optical injection and delayed optical feedback. In: 2020 IEEE Photonics Conference (IPC). 2020 IEEE Photonics Conference (IPC) . Institute of Electrical and Electronics Engineers Inc., CAN, pp. 1-2. ISBN 978-1-7281-5891-4
Hejda, Matěj and Robertson, Joshua and Bueno, Julián and Hurtado, Antonio (2020) Spike-based information encoding in vertical cavity surface emitting lasers for neuromorphic photonic systems. Journal of Physics: Photonics, 2 (4). 044001. ISSN 2515-7647
Hejda, Matěj and Robertson, Joshua and Bueno, Julián and Hurtado, Antonio; (2020) VCSELs for fast neuromorphic photonic systems operating at GHz rates. In: 2020 Optical Fiber Communications Conference and Exhibition, OFC 2020 - Proceedings. 2020 Optical Fiber Communications Conference and Exhibition, OFC 2020 - Proceedings . IEEE, USA. ISBN 9781943580712