在飞秒激光刻写PPKTP波导中基于全光纤皮秒光纤光源的倍频实现高效绿光的实验研究

涂成厚; 黄章超; 娄凯; 刘红军; 王屹山; 李勇男; 吕福云; 王慧田

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Efficient green-light generation by frequency doubling of a picosecond all-fiber ytterbium-doped fiber amplifier in PPKTP waveguide inscribed by femtosecond laser direct writing

首发时间：2012-02-07

Tu Chenghou ¹
Tu Chenghou, male, was born in 1976. Now he is an Associate Professor of Nankai University.His main research interests are fiber laser, amplifier,and the interaction of femtosecond pulse and matters and also its applications.
Huang Zhangchao ¹ Lou Kai ¹ Liu Hongjun ² Wang Yishan ² Li Yongnan ¹ Lv Fuyun ¹ Wang Huitian ¹
Professor,majored in nonlinear optics, vector optics, laser physics etc.

1、School of Physics, Nankai University, Tianjin 300071, China
2、State Key Laboratory of Transient Optics and Photonics Technology, Xi’an Institute of Optics and PrecisionMechanics, Chinese Academy of Sciences, Xi’an, 710119, China

Abstract：We have demonstrated an ultrashort, compact green light radiation by frequency doubling of an all-fiber ytterbium-doped fiber laser source in a PPKTP waveguide fabricated by femtosecond laser pulses. Using the fabricated PPKTP waveguide crystal containing a 10 mm single grating with a period of 9.0 μm, we generate 310 mW of picosecond radiation at 532 nm for a fundamental power of 1.6W, corresponding to a conversion efficiency of 19.3%. The temperature tuning range of 8℃ is achieved for a fixed fundamental wavelength of 1064 nm, the FWHM of the wavelength tuning curve is 4.2 nm at room temperature. The generated ultrashort pulses at 532 nm are of great importance and have comprehensive applications in photobiology research and high-resolution spectroscopy.

keywords： Ultrafast nonlinear optics Femtosecond laser direct writing Second harmonic generation All fiber

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在飞秒激光刻写PPKTP波导中基于全光纤皮秒光纤光源的倍频实现高效绿光的实验研究

涂成厚 ¹
Tu Chenghou, male, was born in 1976. Now he is an Associate Professor of Nankai University.His main research interests are fiber laser, amplifier,and the interaction of femtosecond pulse and matters and also its applications.
黄章超 ² 娄凯 ² 刘红军 ³ 王屹山 ³ 李勇男 ² 吕福云 ² 王慧田 ²
Professor,majored in nonlinear optics, vector optics, laser physics etc.

1、南开大学物理科学学院
2、School of Physics, Nankai University, Tianjin 300071, China
3、State Key Laboratory of Transient Optics and Photonics Technology, Xi’an Institute of Optics and PrecisionMechanics, Chinese Academy of Sciences, Xi’an, 710119, China

摘要：基于飞秒激光刻写的PPKTP波导对全光纤皮秒光纤光源倍频，我们实现了一种结构紧凑的超短脉冲绿光光源。采用一个极化周期为9um的PPKTP波导晶体，当基频光功率为1.6W时，产生的绿光输出为310mW，二次谐波转换效率为19.3%。在1064nm实现了温度调谐范围为8℃，室温下波长调谐范围为4.2nm。产生的532nm超短脉冲激光在生物光子学和高分辨率光谱学等方面有着重要应用。

关键词：超快非线性光学飞秒激光刻写二次谐波产生全光纤

基金：

1. The Fundamental Research Funds for the Central Universities of China（Z1a2024916), the National Natural Science Foundation of China）

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Tu Chenghou,Huang Zhangchao ,Lou Kai,et al. Efficient green-light generation by frequency doubling of a picosecond all-fiber ytterbium-doped fiber amplifier in PPKTP waveguide inscribed by femtosecond laser direct writing[EB/OL]. Beijing:Sciencepaper Online[2012-02-07]. https://www.paper.edu.cn/releasepaper/content/201202-42.

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论文编号	201202-42
论文题目	在飞秒激光刻写PPKTP波导中基于全光纤皮秒光纤光源的倍频实现高效绿光的实验研究
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