Diffractive optical permutation networks

Deniz Mengu; Yifan Zhao; Anika Tabassum; Mona Jarrahi; Aydogan Ozcan

doi:10.1117/12.2649542

17 March 2023 Diffractive optical permutation networks

Deniz Mengu, Yifan Zhao, Anika Tabassum, Mona Jarrahi, Aydogan Ozcan

Proceedings Volume PC12438, AI and Optical Data Sciences IV; PC1243804 (2023) https://doi.org/10.1117/12.2649542
Event: SPIE OPTO, 2023, San Francisco, California, United States

Abstract

We present diffractive optical networks based on a series of passive light modulation surfaces, engineered/optimized using deep learning at the wavelength scale, to all-optically perform permutation operations, capable of achieving hundreds of thousands of interconnects between an input and an output field-of-view. We experimentally demonstrated, for the first time, a diffractive permutation network that operates at the THz part of the spectrum, realizing 625 interconnects between the input and output planes. These diffractive permutation networks can serve as channel routing and interconnection panels in the next-generation (6G) wireless communication systems with the carrier frequencies approaching THz-bands.

Conference Presentation

Citation Download Citation

Deniz Mengu, Yifan Zhao, Anika Tabassum, Mona Jarrahi, and Aydogan Ozcan "Diffractive optical permutation networks", Proc. SPIE PC12438, AI and Optical Data Sciences IV, PC1243804 (17 March 2023); https://doi.org/10.1117/12.2649542

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