Birefringence phase matching in selectively oxidized GaAs/AlAs optical waveguides for nonlinear frequency conversion

A. Fiore, V. Berger, E. Rosencher, N. Laurent, N. Vodjdani, J. Nagle

Research output: Contribution to journalArticleAcademicpeer-review

7 Citations (Scopus)

Abstract

We propose using the huge birefringence available in GaAs/AlAs oxidized waveguides to phase-match nonlinear optical conversions in the near- and mid-infrared. Tunable midinfrared radiation can be obtained by difference frequency generation from two tunable near-infrared semiconductor lasers. We measured the transmission spectrum of the AlAs oxide, and demonstrated the birefringence enhancement due to oxidation in a single polarization waveguide.
Original languageEnglish
Pages (from-to)645-651
JournalJournal of Nonlinear Optical Physics & Materials
Volume5
Issue number4
DOIs
Publication statusPublished - 1996

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