Cascaded optical resonator-based programmable photonic integrated circuits

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Programmable photonic integrated circuits have mainly been developed based on the single wavelength channel operation of fundamental building blocks consisting of Mach-Zehnder interferometers (MZIs) with tunable phase shifters. We propose and study optical circuit models consisting of cascaded optical resonators that enable the independent operation of multiple wavelength channels in a more compact footprint than the conventional MZIs. By adopting experimental values reported for silicon micro-ring resonators, the fidelities of different types of 2x2 unitary transformations and higher-dimensional unitary transformations are examined by employing the Reck algorithm and the Clements algorithm. (C) 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
Publisher
OPTICAL SOC AMER
Issue Date
2021-02
Language
English
Article Type
Article
Citation

OPTICS EXPRESS, v.29, no.3, pp.4645 - 4660

ISSN
1094-4087
DOI
10.1364/OE.415545
URI
http://hdl.handle.net/10203/281640
Appears in Collection
EE-Journal Papers(저널논문)
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