Accession Number : ADP008111

Title :   Acoustooptical Coupling of Guided to Substrate Modes in Planar Proton-Exchanged LiNbO3-Waveguides,

Corporate Author : PADERBORN UNIV (GERMANY F R)

Personal Author(s) : Rust, U. ; Strake, E.

Report Date : APR 1992

Pagination or Media Count : 2

Abstract : The acoustically induced conversion of guided to substrate modes in optical waveguides has several attractive applications in integrated optics. One of them is an extremely simple RF-spectrum analyzer.The generated radiation field leaves the waveguiding region and propagates into the substrate under a well defined angle, which is determined by the phase matching condition. This deflection angle can be controlled by the acoustical frequency. As guided and radiation modes may be chosen to have orthogonal polarizations, the converted light can easily be detected using a polarizer and an array of photodiodes. We present a method that allows a rigorous numerical simulation of the device under the assumption that both, optical and acoustical waveguides are planar.

Descriptors :   *ACOUSTOOPTICS, *WAVEGUIDES, *LITHIUM NIOBATES, *SYMPOSIA, GERMANY, NUMERICAL ANALYSIS.

Subject Categories : Fiber Optics and Integrated Optics
      Acoustooptic and Optoacoustic Devices

Distribution Statement : APPROVED FOR PUBLIC RELEASE