Light-enhanced electro-optic spectral tuning in annealed proton-exchanged periodically poled lithium niobate channel waveguides

Y. Y. Lin, Y. F. Chiang, Y. C. Huang, A. C. Chiang, S. T. Lin, Y. H. Chen

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

We report the observation of light-enhanced electro-optic spectral tuning in annealed proton-exchanged, asymmetric domain-duty-cycle periodically poled lithium niobate (PPLN) channel waveguides for second-harmonic generation. The spectral tuning rate was increased rapidly from 0.07 nm/(kV/mm) to a saturated value of 0.32 nm/(kV/mm) in a 30%/70% domain-duty-cycle PPLN waveguide when the fundamental pump power near 1534 nm was increased from 0.6 to 46 mW. The second-harmonic laser power at 767 nm was identified to be the source enhancing the spectral tuning.

Original languageEnglish
Pages (from-to)3483-3485
Number of pages3
JournalOptics Letters
Volume31
Issue number23
DOIs
StatePublished - 1 Dec 2006

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