Dynamical properties of total intensity fluctuation spectrum in two-mode Nd:YVO4 microchip laser

doi:10.1088/1674-1056/24/12/124203

中国物理B ›› 2015, Vol. 24 ›› Issue (12): 124203-124203.doi: 10.1088/1674-1056/24/12/124203

• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇下一篇

Dynamical properties of total intensity fluctuation spectrum in two-mode Nd:YVO₄ microchip laser

张韶辉, 张书练, 谈宜东, 孙利群

Institude of Opto-electronic Engineering, Department of Precision Instruments, Tsinghua University, Beijing 100084, China

收稿日期:2015-07-01 修回日期:2015-07-20 出版日期:2015-12-05 发布日期:2015-12-05
通讯作者: Zhang Shu-Lian E-mail:zsl-dpi@mail.tsinghua.edu.cn
基金资助:
Project supported by the Beijing Higher Education Young Elite Teacher Project, China (Grant No. YETP0086), the Tsinghua University Initiative Scientific Research Programme, China (Grant No. 2012Z02166), and the Special-funded Programme on National Key Scientific Instruments and Equipment Development of China (Grant No. 2011YQ04013603).

Dynamical properties of total intensity fluctuation spectrum in two-mode Nd:YVO₄ microchip laser

Zhang Shao-Hui (张韶辉), Zhang Shu-Lian (张书练), Tan Yi-Dong (谈宜东), Sun Li-Qun (孙利群)

Institude of Opto-electronic Engineering, Department of Precision Instruments, Tsinghua University, Beijing 100084, China

Received:2015-07-01 Revised:2015-07-20 Online:2015-12-05 Published:2015-12-05
Contact: Zhang Shu-Lian E-mail:zsl-dpi@mail.tsinghua.edu.cn
Supported by:
Project supported by the Beijing Higher Education Young Elite Teacher Project, China (Grant No. YETP0086), the Tsinghua University Initiative Scientific Research Programme, China (Grant No. 2012Z02166), and the Special-funded Programme on National Key Scientific Instruments and Equipment Development of China (Grant No. 2011YQ04013603).

摘要/Abstract

摘要：

We investigate the total intensity fluctuation spectrum of the two-longitudinal-mode Nd:YVO₄ microchip laser (ML). We find that low-frequency relaxation oscillation (RO) peaks still appear in the total intensity fluctuation spectrum, which is different from a previous research result that the low-frequency RO peaks exist in the spectrum of the individual mode but compensate for each other totally in the total intensity fluctuation spectrum. Taking the spatial hole-burning effect into account, one and two-mode rate equations for Nd:YVO₄ ML laser are established and studied. Based on the theoretical model, we find that when the gains and losses for two longitudinal models are different, a low-frequency RO peak will appear in the total intensity fluctuation spectrum, while when they share the same gain and loss, the total spectrum will behave like that of a single mode laser. Theoretical simulation results coincide with experimental results very well.

关键词: lasers and laser optics, chaos, lasers, neodymium, fluctuations, relaxations, and noise, laser theory

Abstract:

Key words: lasers and laser optics, chaos, lasers, neodymium, fluctuations, relaxations, and noise, laser theory

中图分类号: (General laser theory)

42.55.Ah

42.55.Sa (Microcavity and microdisk lasers) 42.55.Rz (Doped-insulator lasers and other solid state lasers)

张韶辉, 张书练, 谈宜东, 孙利群. Dynamical properties of total intensity fluctuation spectrum in two-mode Nd:YVO₄ microchip laser[J]. 中国物理B, 2015, 24(12): 124203-124203.

Zhang Shao-Hui (张韶辉), Zhang Shu-Lian (张书练), Tan Yi-Dong (谈宜东), Sun Li-Qun (孙利群). Dynamical properties of total intensity fluctuation spectrum in two-mode Nd:YVO₄ microchip laser[J]. Chin. Phys. B, 2015, 24(12): 124203-124203.

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Dynamical properties of total intensity fluctuation spectrum in two-mode Nd:YVO₄ microchip laser

Dynamical properties of total intensity fluctuation spectrum in two-mode Nd:YVO₄ microchip laser

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