Huge birefringence in selectively oxidized GaAs/AlAs optical waveguides

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

Research output: Contribution to journalArticleAcademicpeer-review

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Abstract

Selective wet oxidn. of AlAs was used to obtain huge birefringence in GaAs/AlAs optical waveguides. A single polarization waveguide was obtained by oxidizing an AlAs layer buried in a GaAs guiding layer. The TM mode is below cutoff due to the high index contrast between the layers. Applications to phase matching in nonlinear optical conversion are envisaged. [on SciFinder (R)]
Original languageEnglish
Pages (from-to)1320-1322
Number of pages3
JournalApplied Physics Letters
Volume68
Issue number10
DOIs
Publication statusPublished - 1996

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