Reconfigurable photonics enabled by functional oxides

Pablo Sanchis; Juan Navarro-Arenas; Juan J. Seoane; Jorge Parra

doi:10.1117/12.3002429

8 March 2024 Reconfigurable photonics enabled by functional oxides

Pablo Sanchis, Juan Navarro-Arenas, Juan J. Seoane, Jorge Parra

Proceedings Volume 12890, Smart Photonic and Optoelectronic Integrated Circuits 2024; 128900M (2024) https://doi.org/10.1117/12.3002429
Event: SPIE OPTO, 2024, San Francisco, California, United States

Abstract

Reconfigurable photonics enable the realization of diverse functionalities using a single photonic device. Such devices could play a prominent role in a large variety of applications, including neuromorphic computing, telecommunications, data communication networks, or optical sensing. The silicon photonics platform is the ideal candidate to implement those devices due to its unique capability for handling large scalability and mass-manufacturing at low cost. However, switching and modulation functionalities offered by current silicon platforms are based on the plasma dispersion effect or the thermo-optic effect, which yields devices with large footprints or reduced bandwidth, preventing scalability. Therefore, combining silicon photonics with materials with unique optoelectronic properties is emerging as the most promising path towards developing ultra-compact devices with competitive performance. In this context, new functionalities not yet offered by current silicon platforms may be implemented by the integration of phase change materials (PCMs) and transparent conducting oxides (TCOs) in silicon structures. Hybrid PCM/Si and TCO/Si devices will be presented for implementing weighting operation, reconfigurable activation functions, and optical storage, which are crucial functionalities in artificial neural networks and the emerging field of neuromorphic computing.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Pablo Sanchis, Juan Navarro-Arenas, Juan J. Seoane, and Jorge Parra "Reconfigurable photonics enabled by functional oxides", Proc. SPIE 12890, Smart Photonic and Optoelectronic Integrated Circuits 2024, 128900M (8 March 2024); https://doi.org/10.1117/12.3002429

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