Advanced Coupled Sagnac Loop Reflectors for High Performance Optical Filters

David Moss

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preprints.org > physical sciences > optics and photonics > 202011.0727.v1

Working Paper Article Version 1 This version is not peer-reviewed

Advanced Coupled Sagnac Loop Reflectors for High Performance Optical Filters

David Moss

Version 1 : Received: 27 November 2020 / Approved: 30 November 2020 / Online: 30 November 2020 (12:39:23 CET)

How to cite: Moss, D. Advanced Coupled Sagnac Loop Reflectors for High Performance Optical Filters. Preprints 2020, 2020110727 Moss, D. Advanced Coupled Sagnac Loop Reflectors for High Performance Optical Filters. Preprints 2020, 2020110727

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MDPI and ACS Style

Moss, D. Advanced Coupled Sagnac Loop Reflectors for High Performance Optical Filters. Preprints 2020, 2020110727

APA Style

Moss, D. (2020). Advanced Coupled Sagnac Loop Reflectors for High Performance Optical Filters. Preprints. https://doi.org/

Chicago/Turabian Style

Moss, D. 2020 "Advanced Coupled Sagnac Loop Reflectors for High Performance Optical Filters" Preprints. https://doi.org/

Abstract

We theoretically investigate advanced multi-functional integrated photonic filters formed by three waveguide coupled Sagnac loop reflectors (3WC-SLRs). By tailoring the coherent mode interference, the spectral response of the 3WC-SLR resonators is engineered to achieve diverse filtering functions with high performance. These include optical analogues of Fano resonances that yield ultrahigh spectral extinction ratios (ERs) and slope rates, resonance mode splitting with high ERs and low free spectral ranges, and classical Butterworth, Bessel, Chebyshev, and elliptic filters. A detailed analysis of the impact of the structural parameters and fabrication tolerances is provided to facilitate device design and optimization. The requirements for practical applications are also considered. These results theoretically verify the effectiveness of using 3WC-SLR resonators as multi-functional integrated photonic filters for flexible spectral engineering in diverse applications.

Keywords

Integrated optics; resonators; Fano resonance; mode splitting; classical filters

Subject

Physical Sciences, Optics and Photonics

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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