Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Spectral Shaping Based via IntegratedCoupled Sagnac Loop Reflectors in a Self-Coupled Nanowire

Version 1 : Received: 18 April 2021 / Approved: 19 April 2021 / Online: 19 April 2021 (13:27:26 CEST)

How to cite: Arianfard, H.; Wu, J.; juodkazis, S.; Moss, D. Spectral Shaping Based via IntegratedCoupled Sagnac Loop Reflectors in a Self-Coupled Nanowire. Preprints 2021, 2021040489 (doi: 10.20944/preprints202104.0489.v1). Arianfard, H.; Wu, J.; juodkazis, S.; Moss, D. Spectral Shaping Based via IntegratedCoupled Sagnac Loop Reflectors in a Self-Coupled Nanowire. Preprints 2021, 2021040489 (doi: 10.20944/preprints202104.0489.v1).

Abstract

We propose and theoretically investigate integrated photonic filters based on coupled Sagnac loop reflectors (SLRs) formed by a self-coupled wire waveguide. By tailoring coherent mode interference in the device, three different filter functions are achieved, including Fano-like resonances, wavelength interleaving, and varied resonance mode splitting. For each function, the impact of device structural parameters is analyzed to facilitate optimized performance. Our results theoretically verify the proposed device as a compact multi-functional integrated photonic filter for flexible spectral shaping.

Subject Areas

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

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