Quasi-phase-matched optical parametric oscillation with periodically poled stoichiometric LiTaO3

Takaaki Hatanaka, Koichiro Nakamura, Tetsuo Taniuchi, Hiromasa Ito, Yasunori Furukawa, Kenji Kitamura

Research output: Contribution to journalArticlepeer-review

146 Citations (Scopus)

Abstract

We have demonstrated, for the first time to our knowledge, periodic poling of a 2-mm-thick near-stoichiometric LiTaO3 substrate and its operation in a nanosecond optical parametric oscillator. Because the coercive field of stoichiometric LiTaO3 is ∼2 kV/mm, which is approximately one tenth that of the conventional congruent field, periodic poling of thicker stoichiometric substrates was successfully performed by means of an electric-field poling process at room temperature. The performance of a parametric oscillator with a 1-mm-thick sample was compared with that of the oscillator with the periodically poled congruent oscillator. The stoichiometric device exhibited better performance.

Original languageEnglish
Pages (from-to)651-653
Number of pages3
JournalOptics Letters
Volume25
Issue number9
DOIs
Publication statusPublished - 2000 May 1

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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