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Published on: November 1, 2013
Virtual optical nonlinearity in GaAs-AlAs superlattices
Optics Letters
|September 29, 2009
Summary
We calculated third-order susceptibility (X((3))) in GaAs-AlAs superlattices, finding optimal conditions for near-resonant enhancement. This research offers insights into nonlinear optical properties for advanced material applications.
Area of Science:
- Materials Science
- Condensed Matter Physics
- Quantum Optics
Background:
- GaAs-AlAs superlattices are crucial in semiconductor device applications.
- Understanding third-order nonlinear optical properties is essential for optoelectronic devices.
Purpose of the Study:
- To perform a full-scale calculation of the third-order susceptibility (X((3))) in GaAs-AlAs superlattices.
- To investigate the frequency dependence of X((3)).
- To identify conditions for near-resonant enhancement of X((3)).
Main Methods:
- Full-scale numerical calculation of third-order susceptibility.
- Analysis of frequency-dependent behavior of X((3)).
Main Results:
- The frequency dependence of X((3)) was successfully calculated.
- A favorable figure of merit for near-resonant enhancement of X((3)) was identified.
Conclusions:
- GaAs-AlAs superlattices exhibit significant third-order nonlinear optical properties.
- Near-resonant conditions offer a pathway for enhancing X((3)) in these materials.
