Ultra-compact Single-shot Spectrometer Enabled by Stratified Waveguide Filters

Ang Li; Yeshaiahu Fainman; Qixiang Cheng; Shilong Pan

doi:10.1364/OECC.2021.T5A.2

26th Optoelectronics and Communications Conference
OSA Technical Digest (Optica Publishing Group, 2021),
paper T5A.2
•https://doi.org/10.1364/OECC.2021.T5A.2

Ultra-compact Single-shot Spectrometer Enabled by Stratified Waveguide Filters

Ang Li, Yeshaiahu Fainman, Qixiang Cheng, and Shilong Pan

Optoelectronics and Communications Conference 2021

Hong Kong China
3–7 July 2021
ISBN: 978-1-943580-92-7

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A. Li, Y. Fainman, Q. Cheng, and S. Pan, "Ultra-compact Single-shot Spectrometer Enabled by Stratified Waveguide Filters," in 26th Optoelectronics and Communications Conference, P. Alexander Wai, H. Tam, and C. Yu, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper T5A.2.

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Abstract

We demonstrate a silicon single-shot spectrometer with 0.008mm² footprint, the smallest on CMOS compatible platforms. Experimental results confirm a bandwidth of 180nm with a resolution of 0.45nm. It opens new pathway towards commercial integrated spectrometers.

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