[1]刘强,王琼,欧阳征标.基于混合微腔的高效率太赫兹波产生[J].深圳大学学报理工版,2019,(No.2(111-220)):140-146.[doi:10.3724/SP.J.1249.2019.02140]
　LIU Qiang,WANG Qiong,et al.Efficient terahertz wave generation based on hybrid micro-cavity[J].Journal of Shenzhen University Science and Engineering,2019,(No.2(111-220)):140-146.[doi:10.3724/SP.J.1249.2019.02140]
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基于混合微腔的高效率太赫兹波产生()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
期数:
2019年No.2(111-220)
页码:
140-146
栏目:
【专辑：太赫兹技术】
出版日期:
2019-03-20

文章信息/Info

Title:
Efficient terahertz wave generation based on hybrid micro-cavity
文章编号:
201902004
作者:
刘强1; 2; 王琼1; 2; 欧阳征标1; 2; 3
1）深圳大学电子与信息工程学院，广东深圳 518060
2) 深圳大学太赫兹技术研究中心，广东深圳 518060
3）深圳大学光电子器件与系统教育部/广东省重点实验室，广东深圳 518060
Author(s):
LIU Qiang1;  2;  WANG Qiong1;  2;  and OUYANG Zhengbiao1;  2;  3
1) College of Electronic and Information Engineering, Shenzhen University, Shenzhen 518060, Guangdong Province, P.R.China
2) THz Technical Research Center, Shenzhen University, Shenzhen 518060, Guangdong Province, P.R.China
3) Key Laboratory of Optoelectronics Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen University, Shenzhen 518060, Guangdong Province, P.R.China
关键词:
非线性光学; 光学差频; 回音壁模; 表面等离激元; 亚波长局域; 太赫兹波产生
Keywords:
nonlinear optics;  optical frequency-difference effect;  whispering gallery mode;  surface plasmonic mode;  sub-wavelength confinement;  terahertz wave generation
分类号:
TN212；TN602
DOI:
10.3724/SP.J.1249.2019.02140
文献标志码:
A
摘要:
提出并研究基于回音壁共振模和表面等离子激元共振模的混合微腔太赫兹产生系统，运用有限元方法模拟实现了室温下11.7 THz的太赫兹波产生，所获得的太赫兹波模体积小，超过衍射极限,亚波长局域使得Purcell因子达到7.2×103(砷化镓中太赫兹波长的负三次方). 研究表明，该结构的太赫兹波转化效率可达到量子极限(~5.5％)，太赫兹波的最高输出功率可达166.3 mW. 该系统可在室温下工作，转化效率接近量子极限，太赫兹输出功率较高，且易于光学集成.
Abstract:
By utilizing the nonlinear optical frequency-difference effect, an efficient terahertz (THz) wave generator based on a hybrid micro-cavity of whispering gallery (WG) mode and surface plasmonic mode is proposed and investigated. Simulations based on finite element method are performed. It is found that the THz wave at the frequency 11.7 THz can be produced at room temperature, and the terahertz modal volume is small, which breaks the diffraction limit, the sub-wavelength confinement in turn produces a high Purcell factor up to 7.2×103 (one in cubic of the THz wavelength in GaAs). Further studies show that the conversion efficiency can reach the quantum limit (~5.5％), and the maximum output of the generated THz wave is as high as 166.3 mW. The advantages of the design include: capability for operation at room temperature, high conversion efficiency that approaches to the quantum limit, high output power for the THz wave, and convenience for all-optical integration.

参考文献/References:

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备注/Memo

备注/Memo:
Received：2018-12-09；Accepted：2018-12-24
Foundation：National Natural Science Foundation of China (61605128, 61275043, 61307048, 11404220); Natural Science Foundation of Guangdong Province (2017A030310455); New Teacher Start-up Foundation of Shenzhen University (2016024)
Corresponding author：Professor OUYANG Zhengbiao．E-mail: zbouyang@szu.edu.cn
Citation：LIU Qiang, WANG Qiong, OUYANG Zhengbiao. Efficient terahertz wave generation based on hybrid micro-cavity［J］. Journal of Shenzhen University Science and Engineering, 2019, 36(2): 140-146.（in Chinese）
基金项目：国家自然科学基金资助项目 (61605128, 61275043, 6130 7048, 11404220)；广东省自然科学基金资助项目(2017 A030310455)；深圳大学新引进教师科研启动资助项目(2016024)
作者简介：刘强 (1983—)，男，深圳大学助理教授、博士．研究方向：太赫兹器件．E-mail：qliu@szu.edu.cn
欧阳征标（1963—），男，深圳大学教授、博士生导师. 广东省千百十省级培养对象，深圳市双百计划人才，深圳市地方级领军人才，中国光学工程学会理事，美国光学学会高级会员，宇航学会光电专委会委员. 研究方向：光子晶体、超材料及其在光通信和太赫兹波段的应用. E-mail：zbouyang@szu.edu.cn
引文：刘强，王琼，欧阳征标．基于混合微腔的高效率太赫兹波产生［J］. 深圳大学学报理工版，2019，36(2)：140-146.
更新日期/Last Update: 2019-03-07