A balanced APD photodetection technology for large field of view coherent receiver

Guo Zhang; Yu Zhou; Jianfeng Sun; Baoliang Li; Liren Liu; Guang-Yu Cai

doi:10.1117/12.2186130

4 September 2015 A balanced APD photodetection technology for large field of view coherent receiver

Guo Zhang, Yu Zhou, Jianfeng Sun, Baoliang Li, Liren Liu, Guang-Yu Cai

Proceedings Volume 9617, Unconventional Imaging and Wavefront Sensing 2015; 96170M (2015) https://doi.org/10.1117/12.2186130
Event: SPIE Optical Engineering + Applications, 2015, San Diego, California, United States

Abstract

Large field of view of the coherent receiver requires large detector photosurface area, but with the increase of detector photosurface area, the SNR (signal-to-noise ratio) of the coherent receiver will decline. A balanced photodetection with large photosurface APD can not only increase the angular field of view, and can guarantee the detection sensitivity, which satisfy the coherent receiver’s requirements. An experimental measurement of a balanced APD photodetection is reported.

Citation Download Citation

Guo Zhang, Yu Zhou, Jianfeng Sun, Baoliang Li, Liren Liu, and Guang-Yu Cai "A balanced APD photodetection technology for large field of view coherent receiver", Proc. SPIE 9617, Unconventional Imaging and Wavefront Sensing 2015, 96170M (4 September 2015); https://doi.org/10.1117/12.2186130

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