Reshaping of a second-harmonic curve in periodically poled Ti: LiNb O3 channel waveguide by a local-temperature-control technique

Yeung Lak Lee, Young Chul Noh, Changsoo Jung, Tae Jun Yu, Bong Ahn Yu, Jongmin Lee, Do Kyeong Ko, Kyunghwan Oh

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

We have demonstrated reshaping and bandwidth control of a second-harmonic (SH) curve in a periodically poled Ti:LiNb O3 (Ti:PPLN) waveguide (Λ=16. 6 μm) by using a local-temperature-control technique. With this technique, we have achieved several useful shapes of the SH curve such as an almost ideal sinc function, and double and multipeaks in a 74-mm -long Ti:PPLN waveguide, which has a prechirped SH curve at room temperature. More than 60% improvement of SH conversion efficiency and a 5 nm broadening of SH phase-matching bandwidth were achieved.

Original languageEnglish
Article number011104
JournalApplied Physics Letters
Volume86
Issue number1
DOIs
Publication statusPublished - 2005 Jan 1

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temperature control
waveguides
harmonics
curves
bandwidth
phase matching
room temperature

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

Cite this

Lee, Yeung Lak ; Noh, Young Chul ; Jung, Changsoo ; Yu, Tae Jun ; Yu, Bong Ahn ; Lee, Jongmin ; Ko, Do Kyeong ; Oh, Kyunghwan. / Reshaping of a second-harmonic curve in periodically poled Ti : LiNb O3 channel waveguide by a local-temperature-control technique. In: Applied Physics Letters. 2005 ; Vol. 86, No. 1.
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Reshaping of a second-harmonic curve in periodically poled Ti : LiNb O3 channel waveguide by a local-temperature-control technique. / Lee, Yeung Lak; Noh, Young Chul; Jung, Changsoo; Yu, Tae Jun; Yu, Bong Ahn; Lee, Jongmin; Ko, Do Kyeong; Oh, Kyunghwan.

In: Applied Physics Letters, Vol. 86, No. 1, 011104, 01.01.2005.

Research output: Contribution to journalArticle

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