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Updated: Jan 12, 2026
12:21
Stimulated Stokes and Antistokes Raman Scattering in Microspherical Whispering Gallery Mode Resonators
Published on: April 4, 2016
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Coupled micro-resonators for second-order integrated nonlinear optics
Optics Letters
|November 4, 2025
Summary
We achieved simultaneous double resonance and phase-matching in coupled optical micro-resonators. This enables efficient second harmonic generation in III-V microdisks.
Area of Science:
- Photonics and optical engineering.
- Nonlinear optics.
- Materials science.
Background:
- Coupled optical micro-resonators offer unique light-matter interaction possibilities.
- Achieving simultaneous resonance and phase-matching is crucial for efficient nonlinear optical processes.
- Whispering gallery mode microdisks are promising platforms for integrated photonics.
Purpose of the Study:
- To investigate second-order nonlinear optical processes in coupled identical optical micro-resonators.
- To demonstrate simultaneous achievement of double resonance and phase-matching conditions.
- To apply coupled mode theory to second harmonic generation in III-V microdisks.
Main Methods:
- Theoretical analysis using coupled mode theory.
- Modeling of two coupled identical optical micro-resonators.
- Investigation of frequency splitting induced by resonator coupling.
- Application to second harmonic generation in whispering gallery mode microdisks.
Main Results:
- Simultaneous double resonance and phase-matching conditions were obtained.
- Frequency splitting due to resonator coupling facilitates these conditions.
- The framework is applied to second harmonic generation in III-V microdisks.
Conclusions:
- Coupled micro-resonators provide a viable platform for enhanced nonlinear optical processes.
- The demonstrated conditions are key for efficient frequency conversion.
- This work contributes to the development of integrated photonic devices for nonlinear applications.
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