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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 12, Iss. 6 — Jun. 1, 1995
  • pp: 1012–1020

Thermally insensitive, single-crystal, biaxial electro-optic modulators

Christopher A. Ebbers  »View Author Affiliations


JOSA B, Vol. 12, Issue 6, pp. 1012-1020 (1995)
http://dx.doi.org/10.1364/JOSAB.12.001012


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Abstract

All optically biaxial crystals exhibit orientations in which they behave as thermally insensitive (TI) wave plates. Given sufficient electro-optic coupling at these orientations, biaxial, ferroelectric crystals may be advantageously employed as single-crystal, temperature-insensitive electro-optic modulators. I have experimentally confirmed the TI orientation in the principal dielectric plane of the biaxial crystal KTiOPO4 (KTP). KTP behaves as a TI wave plate at 33.7 deg from the Z axis in the X–Z principal plane. The effective electro-optic coupling, Reff, at this orientation is 19 pm/V. The electro-optic coupling and utility of these TI orientations in KTiOAsO4 and KNbO3 are also examined. The calculated Reff of KNbO3 at the TI orientation is expected to be >2000 pm/V.

© 1995 Optical Society of America

Citation
Christopher A. Ebbers, "Thermally insensitive, single-crystal, biaxial electro-optic modulators," J. Opt. Soc. Am. B 12, 1012-1020 (1995)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-12-6-1012

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