用于光生毫米波的双频微片激光器热致频差特性研究

胡淼; 张慧; 张飞; 刘晨曦; 徐国蕊; 邓晶; 黄前锋

doi:10.7498/aps.62.204205

摘要

研究了激光二极管端面抽运的双纵模双频微片激光器的热效应对其输出频谱的影响. 通过对端面抽运Nd:YVO4微片的热传导方程求解得出晶体内部的温度场分布; 并进一步对微片晶体热致折射率变化进行分析, 由此计算出双频微片激光器的热致频谱变化. 实验结果表明: 当抽运功率较小时得到稳定的双纵模双频激光输出; 当抽运功率增大时, 晶体热效应使双频激光频谱双峰之间的频差减小, 各纵模波长频谱宽度加宽, 实验结果与理论分析相符合.

关键词:

Abstract

The thermal effect of laser diode end-pumped double longitudinal mode dual-frequency microchip laser on dual-frequency laser spectrum is investigated in detail. Through solving the heat conduction equation of isotropic material, a general expression of temperature field within Nd:YVO4 microchip crystal is obtained, then the thermally induced refractive index change of microchip laser is analyzed, and thus the thermally induced frequency difference change of dual-frequency microchip laser is calculated. According to the theoretical results, an experiment is designed. The experimental results show that with a small pumping power, astable doublelongitudinal mode dual-frequency is obtained; increasing the pumping power, the thermal effect of crystal makes the frequencydifference decrease gradually, and the width of each mode spectrum broaden. The experimental results are in good agreement with the theoretical analyses.

Keywords:

作者及机构信息

1.
杭州电子科技大学通信工程学院, 杭州 310018

基金项目: 浙江省自然科学基金(批准号: LQ13F010012)资助的课题.

Authors and contacts

1.
College of Communication Engineering, Hangzhou Dianzi University, Hangzhou 310018, China

Funds: Project supported by the Natural Science Foundation of Zhengjiang Province, China (Grant No. LQ13F010012 ).

参考文献

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施引文献

[1]	Koonen A M, Larrodé M G, Ng’oma A, Wang K, Yang H, Zheng Y, Tangdiongga E 2008 Optical Fiber Communication/National Fiber Optic Engineers Conference (OFC/NFOEC 2008) San Diego, California, February 24, 2008 p1
[2]	Hu M, Tang Y P, An R D, Pan S Q, Liu C, Chen J 2011 J. Optoelectron. Laser 22 1435 (in Chinese) [胡淼, 唐拥攀, 安汝德, 潘孙强, 刘崇, 陈军 2011光电子·激光 22 1435]
[3]	Zhu H Y, Zhang G, Zhang Y J, Huang C H, Duan Y M, Wei Y, Wei P F, Yu Y L 2011 Acta Phys. Sin. 60 094209 (in Chinese) [朱海永, 张戈, 张耀举, 黄呈辉, 段延敏, 魏勇, 尉鹏飞, 于永丽 2011 物理学报 60 094209]
[4]	Hu M, An R D, Zhang H, Huang Q F, Ge J H 2013 Laser Phys. Lett. 10 1
[5]	Xu F H, Wang Z P, Zhang H J, Liu X M, Xu X G, Wang J Y, Shao Z S, Jiang M H 2007 Acta Phys. Sin. 56 3950 (in Chinese) [徐方华, 王正平, 张怀金, 刘训民, 许心光, 王继扬, 邵宗书, 蒋民华 2007 物理学报 56 3950]
[6]	Rolland A, Frein L, Vallet M, Brunel M, Bondu F, Merlet T 2010 Photon. Technol. Lett. 22 1738
[7]	Czarske J, Mller H 1994 Electron. Lett. 30 970
[8]	Hyodo M, Tani M, Matsuura S, Onodera N, Sakai K 1996 Electron. Lett. 32 1589
[9]	Lai N D, Brunel M, Bretenaker F, Ferrand B, Fulbert L 2003 Opt. Lett. 28 328
[10]	Brubel M, Amon A, Vallet M 2005 Opt. Lett. 30 2418
[11]	Rolland A, Brunel M, Loas G, Frein L, Vallet M, Alouini M 2011 Opt. Express 19 4399
[12]	McKay A, Dawes J M 2008 2008 International Topical Meeting on Microwave Photonics and 2008 Asia-Pacific Microwave Photonics Conference Gold Coast, Australia, September 30-October 3 2008 p263
[13]	McKay A, Dawes J M 2009 IEEE Photon. Technol. Lett. 21 480
[14]	Zhao P, Srinivasa R, Ding Y J, Zotova L B 2011 Opt. Lett. 36 4818
[15]	Jiao M X, Zhang S L, Liang J W 2001 Chin. J. Lasers 28 100 (in Chinese) [焦明星, 张书练, 梁晋文 2001中国激光 28 100]
[16]	Huang C N, Li Y, Guo H, Zhu J 2002 J. Optoelectron. Laser 13 229 (in Chinese) [黄春宁, 李岩, 郭辉, 朱钧 2002光电子·激光 13 229]
[17]	Ren C, Zhang S L 2009 J. Phys. D: Appl. Phys. 42 1
[18]	Zhang P, Li L, Yang S H, Zhao C M 2006 Infrared and Laser Engineering 35 129 (in Chinese) [张鹏, 李磊, 杨苏辉, 赵长明 2006 红外与激光工程 35 129]
[19]	Li L, Zhao C M, Zhang P, Yang S H 2007 Acta Phys. Sin. 56 2663 (in Chinese) [李磊, 赵长明, 张鹏, 杨苏辉 2007 物理学报 56 2663]
[20]	Wu X, Yang S H, Chen Y, Zhao C M, Liu Z J 2012 Acta Opt. Sin. 32 1 (in Chinese) [吴霞, 杨苏辉, 陈颖, 赵长明, 刘志杰 2012 光学学报 32 1]
[21]	Song X L, Guo Z, Li B B, Wang S Y, Cai D F, Wen J G 2009 Acta Phys. Sin. 58 1700 (in Chinese) [宋小鹿, 过振, 李兵斌, 王石语, 蔡德芳, 文建国 2009 物理学报 58 1700]
[22]	Kuzmina M S, Martyanov M A, Poteomkin A K, Khazanov E A, Shaykin A A 2011 Opt. Express 19 21977
[23]	Zhao J T, Feng G Y, Yang H M, Tang C, Chen N J, Zhou S H 2012 Acta Phys. Sin. 61 084208 (in Chinese) [赵建涛, 冯国英, 杨火木, 唐淳, 陈念江, 周寿桓 2012 物理学报 61 084208]
[24]	Zhou Y, Dai Y, Yao S N, Liu J, Chen J B, Chen S F, Xin J G 2013 Acta Phys. Sin. 62 024210 (in Chinese) [周英, 戴玉, 姚淑娜, 刘军, 陈家斌, 陈淑芬, 辛建国 2013 物理学报 62 024210]
[25]	Innocenzi M E, Tura H T, Fincher C L, Fields R A 1990 Appl. Phys. Lett. 56 1831
[26]	Shi P, Li J P, Chen W, Li L, Gan A S 2009 Chin. J. Lasers 36 1772 (in Chinese) [史彭, 李金平, 陈文, 李隆, 甘安生 2009 中国激光 36 1772]

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