Thickness variation compensation in a Fabry-Perot modulator array using a self-tuned Fabry-Perot structure

Phil Harvey, Sadik Esener

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

A method is presented for compensating cavity thickness variations in conventional Fabry-Perot devices through the replacement of the input mirror with a holographic mirror, resulting in a self-tuned Fabry-Perot (STFP) device. The technique is suitable for integrating large arrays of electro-optic Fabry-Perot modulators with silicon circuitry. Experimental results of a STFP modulator are presented showing cavity thickness compensation of an electrooptic 9/65/35 bulk lead lanthanum zirconate titanate crystal having thickness variations corresponding to ∼6 Fabry-Perot fringes in a 2.5×2.5 mm2 area. The compensated modulator used an in situ recorded Fe-doped LiNbO3 holographic mirror, and had a uniform backreflection over a 2.5×2.5 mm2 area.

Original languageEnglish (US)
Pages (from-to)1221-1223
Number of pages3
JournalApplied Physics Letters
Volume70
Issue number10
DOIs
StatePublished - Mar 10 1997
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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