Phase-matched second-harmonic generation in a four-layer 2-methyl-4-nitroaniline waveguide with grating couplers

Okihiro Sugihara, Tsuneo Toda, Tetsuro Ogura, Takeshi Kinoshita, Keisuke Sasaki

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

A four-layer 2-methyl-4-nitroaniline (MNA) crystal waveguide device with grating couplers is fabricated. Second-harmonic generation is observed under phase-matching conditions using the mode dispersion curves of the optical waveguide. A second-harmonic generation conversion efficiency in the waveguide of 0.71% is obtained with a grating coupling efficiency of 11.4% and a decoupling efficiency of 43.2%. The MNA single crystal is never damaged mechanically, and it has been kept stable for nine months.

Original languageEnglish
Pages (from-to)702-704
Number of pages3
JournalOptics Letters
Volume16
Issue number10
DOIs
Publication statusPublished - 1991 May 15

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couplers
harmonic generations
gratings
waveguides
phase matching
optical waveguides
decoupling
single crystals
curves
crystals

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Phase-matched second-harmonic generation in a four-layer 2-methyl-4-nitroaniline waveguide with grating couplers. / Sugihara, Okihiro; Toda, Tsuneo; Ogura, Tetsuro; Kinoshita, Takeshi; Sasaki, Keisuke.

In: Optics Letters, Vol. 16, No. 10, 15.05.1991, p. 702-704.

Research output: Contribution to journalArticle

Sugihara, Okihiro ; Toda, Tsuneo ; Ogura, Tetsuro ; Kinoshita, Takeshi ; Sasaki, Keisuke. / Phase-matched second-harmonic generation in a four-layer 2-methyl-4-nitroaniline waveguide with grating couplers. In: Optics Letters. 1991 ; Vol. 16, No. 10. pp. 702-704.
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