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Algorithm to design aperiodic optical superlattice for multiple quasi-phase matching.

Ming Lu¹, Xianfeng Chen, Yuping Chen

¹Department of Physics, State Key Laboratory on Fiber Optic Local Area Communication Networks and Advanced Optical Communication Systems, Shanghai Jiao Tong University, Shanghai, China.

|June 16, 2007

Summary

A novel self-adjusting algorithm constructs aperiodic optical superlattices for efficient, simultaneous nonlinear optical parametric processes. This method avoids blind searching and initial condition dependency, outperforming existing algorithms.

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Area of Science:

Nonlinear optics
Materials science
Computational physics

Background:

Aperiodic optical superlattices enable multiple nonlinear optical processes.
Existing methods for superlattice construction can be inefficient and require extensive searching.

Purpose of the Study:

To introduce a new self-adjusting algorithm for constructing aperiodic optical superlattices.
To demonstrate the algorithm's ability to achieve high conversion efficiency in simultaneous nonlinear optical parametric processes.

Main Methods:

Development of a self-adjusting algorithm incorporating a physical process and feedback function.
Numerical simulations to validate the algorithm's performance and compare it with existing methods.

Main Results:

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The self-adjusting algorithm successfully constructs aperiodic optical superlattices.
Simulations confirm high conversion efficiency for multiple simultaneous nonlinear optical parametric processes.
The algorithm eliminates blind searching and is independent of initial conditions.

Conclusions:

The self-adjusting algorithm offers significant advantages over existing methods for designing optical superlattices.
This approach provides a more efficient and robust pathway for realizing advanced nonlinear optical functionalities.