Optical spike processing with exciton-polariton microcavities (Conference Presentation)

Krzysztof Tyszka; Magda Furman; Rafał Mirek; Mateusz Król; Andrzej Opala; Bartłomiej Seredyński; Jan Suffczyński; Wojciech Pacuski; Michał Matuszewski; Jacek Szczytko; Barbara Piętka

doi:10.1117/12.2631985

4 October 2022 Optical spike processing with exciton-polariton microcavities (Conference Presentation)

Krzysztof Tyszka, Magda Furman, Rafał Mirek, Mateusz Król, Andrzej Opala, Bartłomiej Seredyński, Jan Suffczyński, Wojciech Pacuski, Michał Matuszewski, Jacek Szczytko, Barbara Piętka

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Proceedings Volume PC12204, Emerging Topics in Artificial Intelligence (ETAI) 2022; PC1220405 (2022) https://doi.org/10.1117/12.2631985
Event: SPIE Nanoscience + Engineering, 2022, San Diego, California, United States

Abstract

The concept of Neuromorphic Photonics introduces advantages of optical information processing into the neuromorphic engineering domain. Most of the current efforts in the field are focused on identifying the potential mechanisms for useful and flexible spiking neuron implementation. We propose a new approach in which microcavities exhibiting strong exciton-photon interaction may serve as building blocks of optical spiking neurons. Our experiments prove similarities between polariton in-out pulse characteristics and the fundamental spiking behavior of a biological neuron. These effects, evidenced in photoluminescence characteristics, arise within sub-ns timescales. The presented approach provides means for energy-efficient ultrafast processing of spike-like laser pulses.

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Krzysztof Tyszka, Magda Furman, Rafał Mirek, Mateusz Król, Andrzej Opala, Bartłomiej Seredyński, Jan Suffczyński, Wojciech Pacuski, Michał Matuszewski, Jacek Szczytko, and Barbara Piętka "Optical spike processing with exciton-polariton microcavities (Conference Presentation)", Proc. SPIE PC12204, Emerging Topics in Artificial Intelligence (ETAI) 2022, PC1220405 (4 October 2022); https://doi.org/10.1117/12.2631985

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KEYWORDS

Neurons

Optical microcavities

Polaritons

Photonics

Laser induced fluorescence

Laser processing

Luminescence

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