Multifunctional Tunable Band-Limited Optical Coupled-Ring Reflector (CRR) Device Using Criss-Crossing Directional Coupler

Multifunctional Tunable Band-Limited Optical Coupled-Ring Reflector (CRR) Device Using Criss-Crossing Directional Coupler

We present a new; multifunctional; tunable coupled-ring reflector (CRR) device where the two cascaded microring resonator-based All-Pass Filters (APFs) are now interconnected using a “crisscrossed port connection arrangement and then directly coupled” by a third directional coupler. We derive analyt...

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Bibliographic Details
Main Authors: Dingel, Benjamin, Nacpil, John Christian
Format: text
Published: Archīum Ateneo 2020
Subjects:
optical filters
optical switches
resonator filters
optical resonators
tools
optical coupling
telecommunications
coupled-ring reflector (CRR)
crisscrossed CRR
Optics
Physics
Online Access:https://archium.ateneo.edu/physics-faculty-pubs/71
https://ieeexplore.ieee.org/document/9550951
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Institution: Ateneo De Manila University
Description
Summary:We present a new; multifunctional; tunable coupled-ring reflector (CRR) device where the two cascaded microring resonator-based All-Pass Filters (APFs) are now interconnected using a “crisscrossed port connection arrangement and then directly coupled” by a third directional coupler. We derive analytically and investigate numerically its intensity response. We show that it has many unique features such as: (i) asymmetric stopband/passband property; (ii) tunable dual-narrowband passband filter; and (iii) a unique quasi-interleaver characterized by dual-narrowband passband filter interleaved with broadband stopband filter. We also establish the critical parameter relationships that describe these rich responses and compare them to the typical CRR.

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