Silicon-nanowire-based optical sensor with high sensitivity and large measurement range by using Mach-Zehnder interferometer-coupled microring

Jianwei Wang; Sailing He; Daoxin Dai

doi:10.1117/12.888453

3 January 2011 Silicon-nanowire-based optical sensor with high sensitivity and large measurement range by using Mach-Zehnder interferometer-coupled microring

Jianwei Wang, Sailing He, Daoxin Dai

Author Affiliations +

Proceedings Volume 7990, Optical Sensors and Biophotonics II; 79900V (2011) https://doi.org/10.1117/12.888453
Event: Asia Communications and Photonics Conference and Exhibition, 2010, Shanghai, Shanghai, China

Abstract

A Mach-Zehnder interferometer-coupled microring is experimentally demonstrated for optical sensing with a high sensitivity (~111 nm /RIU), a high extinction ratio (>26dB), and a very large quasi free-spectral-range (>100 nm), which helps to obtain a large measurement range. The MZI-coupled microring sensor still has good performance when the reflective index of the ambient materials largely changes (1<n<1.538).

Citation Download Citation

Jianwei Wang, Sailing He, and Daoxin Dai "Silicon-nanowire-based optical sensor with high sensitivity and large measurement range by using Mach-Zehnder interferometer-coupled microring", Proc. SPIE 7990, Optical Sensors and Biophotonics II, 79900V (3 January 2011); https://doi.org/10.1117/12.888453

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