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Reflective coupled microring resonators for reconfigurable photonic systems: Performance analysis

Geremew, FM and Srinivas, T (2021) Reflective coupled microring resonators for reconfigurable photonic systems: Performance analysis. In: Results in Optics, 5 .

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Official URL: https://doi.org/10.1016/j.rio.2021.100111


We propose reflective type triple coupled microring resonators (TCMMRs) for reconfigurable photonic based systems. We have developed an analytical model and analyzed its useful performance characteristics. The TCMMRs based device exhibits a wide range of performance characteristics such as multi-band filtering, optical logical operations, and optical true-time delay lines. Reconfigurable multiple resonances and their splitting features associated with the device provide useful filtering performance characteristics such as high out-of-band rejection, flat-top bandwidth, and near to ideal shape factor. The device can perform multiple functions such as bandpass, bandstop, and notch filtering with a good performance. Unlike two input narrowband logical operations demonstrated in the literature, our proposed device can perform as three-input optical logical operator, and it can switch wideband microwave frequency signals optically. Moreover, the device exhibits wideband flat top group delay response. It carries out delay tuning using a single variable coupling coefficient which simplifies the complexity of the tuning encountered in binary tree-structured optical beamforming networks based on conventional microring resonators. © 2021 The Author(s)

Item Type: Journal Article
Publication: Results in Optics
Publisher: Elsevier B.V.
Additional Information: The copyright for this article belongs to the authors
Department/Centre: Division of Electrical Sciences > Electrical Communication Engineering
Date Deposited: 17 May 2022 05:02
Last Modified: 17 May 2022 05:02
URI: https://eprints.iisc.ac.in/id/eprint/71698

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