Monolithically integrated laser Bragg Q-switch and wavelength converter in a PPLN crystal

S. T. Lin; G. W. Chang; Y. Y. Lin; Y. C. Huang; A. C. Chiang; Y. H. Chen

doi:10.1364/OE.15.017093

Monolithically integrated laser Bragg Q-switch and wavelength converter in a PPLN crystal

S. T. Lin, G. W. Chang, Y. Y. Lin, Y. C. Huang^*, A. C. Chiang, Y. H. Chen

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

30 Citations (Scopus)

Abstract

We-report a periodically poled lithium niobate (PPLN) crystal for both temperature-insensitive laser Q-switching and temperature-tuned wavelength conversion. The PPLN crystal consists of two sections, a 20.3-μm period section functioning as an electro-optic Bragg grating for Q-switching a diode-pumped Nd:YVO₄ laser at 1064 nm and a 31-μm-period section functioning as an optical parametric generator for down converting the generated 1064-nm laser. When driving the PPLN Bragg grating with 170-V voltage pulses, we measured 181 μJ pulse energy at 1064 nm from the Nd:YVO₄ laser pumped by 20.4 W diode power. The 181-μJ pulsed laser was further converted into mid-infrared radiation in the monolithic PPLN crystal with 35% parametric efficiency. The wavelengths were broadly tunable in the range of 1.75-1.88 μm (signal) and 2.7-2.44 μm (idler) via temperature without affecting the performance of the PPLN Bragg Q-switch.

Original language	English
Pages (from-to)	17093-17098
Number of pages	6
Journal	Optics Express
Volume	15
Issue number	25
DOIs	https://doi.org/10.1364/OE.15.017093
Publication status	Published - 2007 Dec 12
Externally published	Yes

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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title = "Monolithically integrated laser Bragg Q-switch and wavelength converter in a PPLN crystal",

abstract = "We-report a periodically poled lithium niobate (PPLN) crystal for both temperature-insensitive laser Q-switching and temperature-tuned wavelength conversion. The PPLN crystal consists of two sections, a 20.3-μm period section functioning as an electro-optic Bragg grating for Q-switching a diode-pumped Nd:YVO4 laser at 1064 nm and a 31-μm-period section functioning as an optical parametric generator for down converting the generated 1064-nm laser. When driving the PPLN Bragg grating with 170-V voltage pulses, we measured 181 μJ pulse energy at 1064 nm from the Nd:YVO4 laser pumped by 20.4 W diode power. The 181-μJ pulsed laser was further converted into mid-infrared radiation in the monolithic PPLN crystal with 35% parametric efficiency. The wavelengths were broadly tunable in the range of 1.75-1.88 μm (signal) and 2.7-2.44 μm (idler) via temperature without affecting the performance of the PPLN Bragg Q-switch.",

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AU - Lin, S. T.

AU - Chang, G. W.

AU - Lin, Y. Y.

AU - Huang, Y. C.

AU - Chiang, A. C.

AU - Chen, Y. H.

PY - 2007/12/12

Y1 - 2007/12/12

N2 - We-report a periodically poled lithium niobate (PPLN) crystal for both temperature-insensitive laser Q-switching and temperature-tuned wavelength conversion. The PPLN crystal consists of two sections, a 20.3-μm period section functioning as an electro-optic Bragg grating for Q-switching a diode-pumped Nd:YVO4 laser at 1064 nm and a 31-μm-period section functioning as an optical parametric generator for down converting the generated 1064-nm laser. When driving the PPLN Bragg grating with 170-V voltage pulses, we measured 181 μJ pulse energy at 1064 nm from the Nd:YVO4 laser pumped by 20.4 W diode power. The 181-μJ pulsed laser was further converted into mid-infrared radiation in the monolithic PPLN crystal with 35% parametric efficiency. The wavelengths were broadly tunable in the range of 1.75-1.88 μm (signal) and 2.7-2.44 μm (idler) via temperature without affecting the performance of the PPLN Bragg Q-switch.

AB - We-report a periodically poled lithium niobate (PPLN) crystal for both temperature-insensitive laser Q-switching and temperature-tuned wavelength conversion. The PPLN crystal consists of two sections, a 20.3-μm period section functioning as an electro-optic Bragg grating for Q-switching a diode-pumped Nd:YVO4 laser at 1064 nm and a 31-μm-period section functioning as an optical parametric generator for down converting the generated 1064-nm laser. When driving the PPLN Bragg grating with 170-V voltage pulses, we measured 181 μJ pulse energy at 1064 nm from the Nd:YVO4 laser pumped by 20.4 W diode power. The 181-μJ pulsed laser was further converted into mid-infrared radiation in the monolithic PPLN crystal with 35% parametric efficiency. The wavelengths were broadly tunable in the range of 1.75-1.88 μm (signal) and 2.7-2.44 μm (idler) via temperature without affecting the performance of the PPLN Bragg Q-switch.

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Monolithically integrated laser Bragg Q-switch and wavelength converter in a PPLN crystal

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