Programmable multi-beam steering with optical phased array

Shikang Li; Youda Liu; Rentuo Tao; Jianjun Chen; Yuhao Yang

doi:10.1117/12.2616205

15 February 2022 Programmable multi-beam steering with optical phased array

Shikang Li, Youda Liu, Rentuo Tao, Jianjun Chen, Yuhao Yang

Proceedings Volume 12166, Seventh Asia Pacific Conference on Optics Manufacture and 2021 International Forum of Young Scientists on Advanced Optical Manufacturing (APCOM and YSAOM 2021); 1216635 (2022) https://doi.org/10.1117/12.2616205
Event: Seventh Asia Pacific Conference on Optics Manufacture and 2021 International Forum of Young Scientists on Advanced Optical Manufacturing (APCOM and YSAOM 2021), 2021, Hong Kong, Hong Kong

Abstract

Optical phased array provides a promising platform for multi-beam steering in optical bands. Here, we propose and demonstrate an effective multi-beam steering scheme employing a phase-only spatial light modulator. The beam orientations and beam amplitudes are both programmable in our proposal. With Huygens-Fresnel simulation, the fidelity value of ~0.998 and ~0.999 are evaluated corresponding to the case of random beam orientations and random beam amplitude ratios, respectively. Furthermore, up to 101-beam steering is experimentally observed, which is much higher than existed reports.

Citation Download Citation

Shikang Li, Youda Liu, Rentuo Tao, Jianjun Chen, and Yuhao Yang "Programmable multi-beam steering with optical phased array", Proc. SPIE 12166, Seventh Asia Pacific Conference on Optics Manufacture and 2021 International Forum of Young Scientists on Advanced Optical Manufacturing (APCOM and YSAOM 2021), 1216635 (15 February 2022); https://doi.org/10.1117/12.2616205

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