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

Paper Details

Date Published: 2 January 2018
PDF: 7 pages
Proc. SPIE 10456, Nanophotonics Australasia 2017, 104560Q (2 January 2018); doi: 10.1117/12.2282641
Show Author Affiliations
Jiayang Wu, Swinburne Univ. of Technology (Australia)
Tania Moein, Swinburne Univ. of Technology (Australia)
Xingyuan Xu, Swinburne Univ. of Technology (Australia)
Guanghui Ren, RMIT Univ. (Australia)
Arnan Mitchell, RMIT Univ. (Australia)
David J. Moss, Swinburne Univ. of Technology (Australia)


Published in SPIE Proceedings Vol. 10456:
Nanophotonics Australasia 2017
James W. M. Chon; Baohua Jia, Editor(s)

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