Minimizing Dac Complexity For Control Of Optical Phased Arrays

Jon Oyvind Kjellman,Tangla David Kongnyuy,Bruno Figeys,Sarp Kerman,Marcus Dahlem,Xavier Rottenberg,Philippe Soussan,Roelof Jansen

2019 IEEE PHOTONICS CONFERENCE (IPC)（2019）

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摘要

Numerical and experimental data show that few-bit DACs can be used in driver circuits for optical phased arrays. For a 128-element uniform linear array, using only 4 bits is acceptable with little impact on performance. This can lower the system cost of mass-market lidars.

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关键词

optical phased array, DAC, lidar

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