Acoustooptic Bragg Diffraction in 2-Dimensional Photonic Crystals

TL;DR

This paper demonstrates the potential of silicon-based 2D photonic crystals for acoustooptic devices, introducing computational and optimization methods for Bragg diffraction at specific light and sound frequencies.

Contribution

It develops a computational method for Bragg angle frequency dependence and proposes an optimization approach for photonic crystal parameters.

Findings

Silicon-based 2D photonic crystals can facilitate acoustooptic applications.

A new computational method for Bragg angle frequency dependence is introduced.

An optimization method for photonic crystal parameters is proposed.

Abstract

The paper shows that silicon-based 2D photonic crystal can be a promising material for acoustooptical devices. Isotropic and anisotropic Bragg diffraction of light in photonic crystal is considered. The computational method for calculation of frequency dependences of Bragg angle is developed. A simple method of optimization of photonic crystal parameters to obtain Bragg diffraction at necessary light and sound frequency is suggested.