Laser beam steering of 532 nm using a power-efficient focal plane array

Author:

Wu Zhaoyang,Zhang Yanfeng1ORCID,Zeng Shihao,Lin Shuqing,Yu Siyuan1

Affiliation:

1. Hefei National Laboratory

Abstract

Laser beam steering is important for classical and quantum information processing. On-chip beam steering is a major motivation for developing large-scale photonic integrated circuits such as optical phased arrays. A major challenge for such arrays is to simultaneously control a large number of on-chip phase shifters, which requires a complicated analog control algorithm and rapidly increasing power consumption. We report a green light (532 nm) 1 × 16 focal plane array photonic integrated circuit with simple control and low power consumption. Fabricated on a silicon nitride platform, the focal plane array achieves angular beam steering over a 10° field of view, with ultra-low electrical power consumption (4 × 3.1 mW).

Funder

National Natural Science Foundation of China

Innovation Program for Quantum Science and Technology

Publisher

Optica Publishing Group

Subject

Atomic and Molecular Physics, and Optics

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