级联参量振荡产生太赫兹辐射的理论研究

李忠洋; 邴丕彬; 徐德刚; 曹小龙; 姚建铨

doi:10.7498/aps.62.084212

摘要

针对光学参量振荡产生太赫兹波转换效率低的缺点, 提出了级联参量振荡产生太赫兹波的新机理以提高转换效率. 以周期极化铌酸锂晶体为例, 对级联参量振荡产生太赫兹波的原理和过程进行了理论研究. 分析了抽运光波长、周期极化铌酸锂晶体极化周期和工作温度对产生一阶、二阶闲频光频率的影响. 推导了三波共线相互作用条件下太赫兹波的增益特性和吸收特性. 计算结果表明, 通过级联参量振荡可以有效提高太赫兹波的转换效率, 并可以得到宽调谐的太赫兹波输出. 基于分析结果, 设计了周期极化铌酸锂晶体级联参量振荡产生高效率、宽调谐、窄线宽、连续太赫兹波的实验.

关键词:

Abstract

A novel mechanism of cascaded parametric oscillation is proposed in this paper to solve the problem of low-efficiency in terahertz (THz) parametric oscillation. The cascaded parametric oscillation is theoretically analyzed based on PPLN crystal as an example. The tuning characteristics of the THz wave, which are affected by the parameters of pump wavelength, poling period of PPLN and operating temperature, are investigated. The characteristics of THz gain and absorption are deduced in the case of collinear interaction of the three mixing waves. The results indicate that the THz conversion efficiency can be greatly enhanced and the widely tunable THz wave can be realized in cascaded parametric oscillation. The experiment on cascaded parametric oscillation generating high-efficiency, wide-tuning, narrow-linewidth, continuous THz wave is designed based on the analysis above.

Keywords:

作者及机构信息

1.
华北水利水电学院电力学院, 郑州 450011;

2.
天津大学精密仪器与光电子工程学院, 激光与光电子研究所, 天津 300072

基金项目: 国家自然科学基金(批准号:61201101, 61172010)资助的课题.

Authors and contacts

1.
North China University of Water Resources and Electric Power, Zhengzhou 450011, China;

2.
College of Precision Instrument and Opto-Electronics Engineering, Institute of Laser and Opto-Electronics, Tianjin University, Tianjin 300072, China

Funds: Project supported by the National Natural Science Foundation of China (Grant Nos. 61201101, 61172010).

参考文献

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施引文献

[1]	Ferguson B, Zhang X C 2002 Nature Mater. 1 26
[2]	Tonouchi M 2007 Nat. Photon. 1 98
[3]	Alexandrov B S, Gelev V, Bishop A R 2010 Phys. Lett. A 374 1214
[4]	Tian L, Zhou Q L, Zhao K, Shi Y L, Zhao D M, Zhao S Q, Zhao H, Bao R M, Zhu S M, Miao Q, Zhang C L 2011 Chin. Phys. B 20 010703
[5]	Wang Y, Minamide H, Tang M 2010 Opt. Express 18 15504
[6]	Hirata A, Takahashi H, Yamaguchi R J, Kosugi T, Murata K, Nagatsuma T, Kukutsu, Kado Y 2008 J. Lightwave Technol. 26 2338
[7]	Sanchez A R, Zhang X C 2008 IEEE J. Sel. Top. Quantum Electron. 14 260
[8]	Wu L, Ling F R, Zuo Z G, Liu J S, Yao J Q 2012 Chin. Phys. B 21 017802
[9]	Li Z Y, Yao J Q, Li J, Bing P B, Xu D G, Wang P 2010 Acta Phys. Sin. 59 6237 (in Chinese) [李忠洋, 姚建铨, 李俊, 邴丕彬, 徐德刚, 王鹏 2010 59 6237]
[10]	Minamide H, Ikari T, Ito H 2009 Rev. Sci. Instrum. 80 123104
[11]	Ikari T, Guo R, Minamide H 2010 J. Eur. Opt. Soc. Rap. Pub. 5 10054
[12]	Li Z Y, Yao J Q, Xu D G 2011 Chin. Phys. B 20 054207
[13]	Guo R, Akiyama K, Minamide H 2006 Appl. Phys. lett. 88 091120
[14]	Hayashi S, Shibuya T, Sakai H 2009 Appl. Opt. 48 2899
[15]	Stothard D J M, Edwards T J, Walsh D 2008 Appl. Phys. Lett. 92 141105
[16]	Walsh D, Stothard D J M, Edwards T J 2009 J. Opt. Soc. Am. B 26 1196
[17]	Molter D, Theuer M, Beigang R 2009 Opt. Express 17 6623
[18]	Walsh D A, Browne P G, Dunn M H 2010 Opt. Express 18 13951
[19]	Kiesling J, Fuchs F, Buse K 2011 Opt. Lett. 36 4374
[20]	Barker A S, Jr, Loudon R 1967 Phys. Rev. 158 433
[21]	Gayer O, Sacks Z, Galun E, Arie A 2008 Appl. Phys. B:Lasers Opt. 91 343
[22]	Sowade R, Breunig I, Tulea C, Buse K 2010 Appl. Phys. B 99 63
[23]	Johnston W D, Kaminow Jr I P 1968 Phys. Rev. 168 1045
[24]	Sussman S S 1970 Stanford Univ. Microwave Lab. 1851 22
[25]	Jeong Y, Nilsson J, Sahu J K, Horley D N, Hickey R 2007 IEEE J. Sel. Top. Quantum Electron. 13 546
[26]	Jeong Y, Boylang A J, Sahu J K 2009 J. Opt. Soc. Korea 13 416

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