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17 March 2023 Integrated silicon photonic optical phased arrays with large beam steering and high resolution
Winnie N. Ye, Daniel Benedikovic, Qiankun Liu, Shahrzad Khajavi, Daniele Melati, Pavel Cheben, Tom Smy, Ahmad Atieh, Alejandro Sánchez Postigo, Jens H. Schmid, Dan-Xia Xu, Xiaochen Xin
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Proceedings Volume PC12425, Smart Photonic and Optoelectronic Integrated Circuits 2023; PC124250G (2023) https://doi.org/10.1117/12.2650465
Event: SPIE OPTO, 2023, San Francisco, California, United States
Abstract
Optical phased arrays in silicon photonics are an emerging technology for free-space communications and light detection and ranging (LIDAR). While traditional LIDARs with discrete components and mechanical beam steering are difficult to integrate and scale, silicon-based arrays have taken a massive leap forward in developing beam steering systems with compact footprint and high performance on a single chip. Here, we report our results in the development of chip-scale circular phased arrays. Arrays formed in a grid of concentric rings are shown to suppress the sidelobes, expand the steering range and obtain narrower beamwidths, with large spacing between optical elements.
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Winnie N. Ye, Daniel Benedikovic, Qiankun Liu, Shahrzad Khajavi, Daniele Melati, Pavel Cheben, Tom Smy, Ahmad Atieh, Alejandro Sánchez Postigo, Jens H. Schmid, Dan-Xia Xu, and Xiaochen Xin "Integrated silicon photonic optical phased arrays with large beam steering and high resolution", Proc. SPIE PC12425, Smart Photonic and Optoelectronic Integrated Circuits 2023, PC124250G (17 March 2023); https://doi.org/10.1117/12.2650465
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KEYWORDS
Beam steering
Phased array optics
Silicon photonics
LIDAR
Silicon
Chemical elements
Optical components
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