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Enhanced nonlinear optics in photonic-crystal microcavities
Optics Express
|June 25, 2009
Summary
Nonlinear photonic crystal microresonators significantly enhance nonlinear optical processes, enabling ultrafast integrated devices. This review covers optical bistability, second-harmonic generation, and modified nonlinear susceptibility via the Purcell effect.
Area of Science:
- Photonics
- Nonlinear Optics
- Materials Science
Background:
- Nonlinear photonic-crystal microresonators offer enhanced nonlinear optical processes.
- This enhancement is crucial for developing high-performance nonlinear optical devices.
Purpose of the Study:
- To review nonlinear optical phenomena enhanced in photonic crystal microcavities.
- To discuss optical bistability, second-harmonic generation, and material susceptibility modification.
Main Methods:
- Theoretical and experimental demonstration of optical bistability in photonic crystal cavities.
- Investigation of second-harmonic frequency conversion efficiency.
- Analysis of material nonlinear susceptibility modification using the Purcell effect.
Main Results:
- Photonic crystal cavities exhibit enhanced optical bistability compared to traditional devices.
- Complete second-harmonic frequency conversion achieved at low input powers.
- Nonlinear susceptibility strongly modified by the Purcell effect in resonant cavities.
Conclusions:
- Nonlinear photonic crystal microresonators are promising for advanced optical devices.
- These cavities enable efficient nonlinear optical phenomena for ultrafast integrated applications.
