Spectrum reshaping of micro-ring resonator via an integrated Fabry-Perot cavity

Jiayang Wu; Tania Moein; Xingyuan Xu; Guanghui Ren; Arnan Mitchell; David J. Moss

doi:10.1117/12.2282641

2 January 2018 Spectrum reshaping of micro-ring resonator via an integrated Fabry-Perot cavity

Jiayang Wu, Tania Moein, Xingyuan Xu, Guanghui Ren, Arnan Mitchell, David J. Moss

Proceedings Volume 10456, Nanophotonics Australasia 2017; 104560Q (2018) https://doi.org/10.1117/12.2282641
Event: SPIE Nanophotonics Australasia, 2017, Melbourne, Australia

Abstract

We investigate the enhancement in the filtering quality (Q) factor of an integrated micro-ring resonator (MRR) by embedding it in an integrated Fabry-Perot (FP) cavity formed by cascaded Sagnac loop reflectors (SLRs). By using coherent interference within the FP cavity to reshape the transmission spectrum of the MRR, both the Q factor and the extinction ratio (ER) can be greatly improved. The device is theoretically analyzed, and practically fabricated on a silicon-on-insulator (SOI) platform. Experimental results show that up to 11-times improvement in Q factor and an 8-dB increase in ER can be achieved via our proposed method. The impact of varying structural parameters on the device performance is also investigated and verified.

Citation Download Citation

Jiayang Wu, Tania Moein, Xingyuan Xu, Guanghui Ren, Arnan Mitchell, and David J. Moss "Spectrum reshaping of micro-ring resonator via an integrated Fabry-Perot cavity", Proc. SPIE 10456, Nanophotonics Australasia 2017, 104560Q (2 January 2018); https://doi.org/10.1117/12.2282641

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