激光回馈引起的微片Nd：YAG激光器频差调制

张松; 谈宜东; 张书练

doi:10.7498/aps.63.104208

摘要

微片激光器由于自身的内应力会输出频率分裂的正交偏振的两个模式. 研究了回馈对微片激光器频差的影响. 研究发现：在回馈的作用下微片激光器的频差大小呈现出以初始频差为中心的类正弦的频差调制，周期为λ/2；频差调制曲线的幅度与回馈水平成正比，但是当回馈水平过强时会出现偏振态跳变，从而使频差消失；在一定的回馈外腔范围内，频差调制曲线的幅度与初始频差亦成正比. 并利用复合腔模型和激光器的自洽理论进行了理论分析和模拟，所得结果与实验结果相符. 此调制现象在精密测量领域有潜在应用.

关键词:

Abstract

Microchip laser can output two orthogonal frequency splitting modes due to its own internal residual stress. In this paper it is found that the frequency difference of microchip laser is modulated by laser feedback. The modulation is a sinusoid-like curve whose center is the original frequency difference and period is half-wavelength. The amplitude of the modulation curve is proportional to feedback level. But when the feedback is too strong, so that the polarization switching occurs and only one polarization exists sometimes. In a range of external cavity, the amplitude of the modulation curve is also proportional to original frequency difference. The theoretical analysis and simulation based on the composite laser cavity theory and self-consistent theory are in good agreement with the experimental results. The potential applications of this phenomenon in precision measurement are discussed.

Keywords:

作者及机构信息

1.
清华大学精密测试技术与仪器国家重点实验室, 北京 100084

基金项目: 国家自然科学基金重点项目（批准号：61036016）资助的课题.

Authors and contacts

1.
State Key Laboratory of Precision Measurement Technology and Instruments, Tsinghua University, Beijing 100084, China

Funds: Project supported by the Key Program of the National Natural Science Foundation of China (Grant No. 61036016).

参考文献

[1]	Wang W M, Boyle W J O, Grattan K T V 1993 Appl. Opt. 32 1551
[2]	Takiguchi Y, Ohyagi K 2003 Opt. Lett. 28 319
[3]	Lang R, Kobayashi K 1980 IEEE J. Quantum Electron. 16 347
[4]	Lenstra D, Verbeek B H, Boef A J 1985 IEEE J. Quantum Electron. 21 674
[5]	Tand Y D, Zhang S L 2007 Acta Phys. Sin. 56 2124 (in Chinese)[谈宜东, 张书练 2007 物理学报 56 2124]
[6]	Alvarado T, Julius J 2005 Appl. Opt. 44 7287
[7]	Mao W, Zhang S L, Zhang L Q, Zhu J, Li Y 2006 Acta Phys. Sin. 55 4704 (in Chinese) [毛威, 张书练, 张连清, 朱钧, 李岩 2006 物理学报 55 4704]
[8]	Wan X J, Li D, Zhang S L 2007 Opt. Lett. 32 367
[9]	Okamoto S, Takeda H, Kannari F 1995 Rev. Sci. Instrum. 66 3116
[10]	Ryoji K, Yusuke A, Kenju O 1999 IEEE Photon. Technol. Lett. 11 706
[11]	Kenju O, Kazutaka A, Ko J Y 2002 Opt. Lett. 27 1339
[12]	Giuliani G, Pietra S B, Donati S 2003 Meas. Sci. Technol. 14 24
[13]	Wang M, Lai G 2004 Opt. Commun. 238 237
[14]	Arnaud W, Eric L, Olivier H 2006 Opt. Lett. 31 3031
[15]	Tan Y D, Xu C X, Zhang S, Zhang S L 2013 Laser Phys. Lett. 10 25001
[16]	Holzapfel W, Seffgast W 1989 Appl. Phys. B 49 169
[17]	Sciamanna M, Panajotov K, Thienpont H 2003 Opt. Lett. 28 1543
[18]	Fei L G, Zhang S L, Wan X J 2004 Chin. Phys. Lett. 21 1944
[19]	Ren Z, Tan Y D, Wan X J, Zhang S L 2010 Appl. Phys. B 99 469
[20]	Ren C, Tan Y D, Zhang S L 2012 Chin. Phys. B 19 024206
[21]	Wang W M, Gratten K T V, Palmer A W, Boyle W J O 1994 IEEE J. Lightwave Technol. 12 1577
[22]	Brown N 1981 Appl. Opt. 20 3711
[23]	Toshihiko Y, Yukio K 1999 Appl. Opt. 38 3266

施引文献

[1]	Wang W M, Boyle W J O, Grattan K T V 1993 Appl. Opt. 32 1551
[2]	Takiguchi Y, Ohyagi K 2003 Opt. Lett. 28 319
[3]	Lang R, Kobayashi K 1980 IEEE J. Quantum Electron. 16 347
[4]	Lenstra D, Verbeek B H, Boef A J 1985 IEEE J. Quantum Electron. 21 674
[5]	Tand Y D, Zhang S L 2007 Acta Phys. Sin. 56 2124 (in Chinese)[谈宜东, 张书练 2007 物理学报 56 2124]
[6]	Alvarado T, Julius J 2005 Appl. Opt. 44 7287
[7]	Mao W, Zhang S L, Zhang L Q, Zhu J, Li Y 2006 Acta Phys. Sin. 55 4704 (in Chinese) [毛威, 张书练, 张连清, 朱钧, 李岩 2006 物理学报 55 4704]
[8]	Wan X J, Li D, Zhang S L 2007 Opt. Lett. 32 367
[9]	Okamoto S, Takeda H, Kannari F 1995 Rev. Sci. Instrum. 66 3116
[10]	Ryoji K, Yusuke A, Kenju O 1999 IEEE Photon. Technol. Lett. 11 706
[11]	Kenju O, Kazutaka A, Ko J Y 2002 Opt. Lett. 27 1339
[12]	Giuliani G, Pietra S B, Donati S 2003 Meas. Sci. Technol. 14 24
[13]	Wang M, Lai G 2004 Opt. Commun. 238 237
[14]	Arnaud W, Eric L, Olivier H 2006 Opt. Lett. 31 3031
[15]	Tan Y D, Xu C X, Zhang S, Zhang S L 2013 Laser Phys. Lett. 10 25001
[16]	Holzapfel W, Seffgast W 1989 Appl. Phys. B 49 169
[17]	Sciamanna M, Panajotov K, Thienpont H 2003 Opt. Lett. 28 1543
[18]	Fei L G, Zhang S L, Wan X J 2004 Chin. Phys. Lett. 21 1944
[19]	Ren Z, Tan Y D, Wan X J, Zhang S L 2010 Appl. Phys. B 99 469
[20]	Ren C, Tan Y D, Zhang S L 2012 Chin. Phys. B 19 024206
[21]	Wang W M, Gratten K T V, Palmer A W, Boyle W J O 1994 IEEE J. Lightwave Technol. 12 1577
[22]	Brown N 1981 Appl. Opt. 20 3711
[23]	Toshihiko Y, Yukio K 1999 Appl. Opt. 38 3266

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