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Optimal bistable switching in nonlinear photonic crystals
Marin Soljacić1, Mihai Ibanescu, Steven G Johnson
1Department of Physics, MIT, Cambridge, Massachusetts 02139, USA.
Summary
We developed a model for optimal bistable switching in nonlinear photonic crystals. This system uses three key parameters for efficient control and large-scale optical integration.
Area of Science:
- Nonlinear optics
- Photonics
- Optical engineering
Background:
- Bistable switching is crucial for optical devices.
- Nonlinear photonic crystals offer unique properties for light manipulation.
Purpose of the Study:
- To present an analytical model for optimal bistable switching.
- To identify key parameters governing bistable switch performance in nonlinear photonic crystals.
Main Methods:
- Analytical modeling of nonlinear photonic crystal systems.
- Numerical experiments to validate the analytical model.
Main Results:
- Identified three critical parameters: resonant frequency (ωres), quality factor (Q), and nonlinear feedback strength (κ).
- Demonstrated that photonic crystals facilitate single-mode operation.
- Showcased optimal input/output control and potential for large-scale integration.
Conclusions:
- The three identified parameters are sufficient to characterize bistable switches in these systems.
- Photonic crystals provide a pathway to efficient, integrated optical switching devices.