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Updated: Jul 3, 2026
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Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
Published on: November 30, 2012
Coupled-resonator-induced reflection in photonic-crystal waveguide structures
Sergei F Mingaleev1, Andrey E Miroshnichenko, Yuri S Kivshar
1VPI Development Center, Belarus High Technologies Park, Minsk, Belarus.
Optics Express
|July 24, 2008
Summary
Researchers discovered coupled-resonator-induced reflection (CRIR), a new optical effect with a tunable high-quality reflection line. This phenomenon, arising from Fano-Feshbach resonances, differs from coupled-resonator-induced transparency (CRIT).
Area of Science:
- Photonics
- Quantum Optics
- Optical Engineering
Background:
- Coupled-resonator optical waveguides are key components in integrated photonics.
- Coupled-resonator-induced transparency (CRIT) has been explored for all-optical switching and slow light.
- Understanding light-matter interactions in coupled systems is crucial for advanced optical devices.
Purpose of the Study:
- To investigate resonant light transmission in a coupled-resonator optical waveguide system.
- To reveal and characterize a novel optical effect: coupled-resonator-induced reflection (CRIR).
- To explore the potential applications of CRIR in optical switching and slow-light propagation.
Main Methods:
- Theoretical study of light transmission in a coupled-resonator optical waveguide with two side cavities.
- Analysis of Fano-Feshbach resonances in systems with multiple resonances.
- Numerical simulations to characterize the CRIR effect and its tunability.
Main Results:
- Discovery of coupled-resonator-induced reflection (CRIR), distinct from CRIT.
- CRIR exhibits a high and easily tunable quality factor for the reflection line.
- Both CRIR and CRIT originate from Fano-Feshbach resonances in multi-resonance systems.
Conclusions:
- CRIR offers a new mechanism for controlling light propagation.
- The tunable high-Q reflection line of CRIR has potential applications in all-optical switching.
- CRIR can be utilized for precise control of slow-light propagation.
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