基于超高Q值封装CaF2晶体盘腔的级联受激布里渊散射光产生
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1.中国科学技术大学 精密机械与精密仪器系,安徽 合肥 230026;2.南昌航空大学 教育部无损检测重点实验室,江西 南昌 330063

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O43

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Generation of stimulated Brillouin scattering in a packaged CaF2 micro-disk resonator with ultra-high-Q factor
Author:
Affiliation:

1.Department of Precision Machinery and Precision Instrumentation, University of Science and Technology of China, Hefei 230026, China;2.Key Laboratory of Nondestructive Test of Ministry of Education, Nanchang Hang-kong University, Nanchang 330063, China

Fund Project:

the Fundamental Research Funds for the Central Universities (WK5290000001), the Natural Science Foundation of Jiangxi Province (20202BABL212011)

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    摘要:

    回音壁模式光学微腔是一种研究非线性光学现象的理想平台。在1 550 nm波段下成功实现了在CaF2晶体微腔中产生五阶级联的受激布里渊散射激光。所用的CaF2晶体微腔直径为12.6 mm,同时有着超高的品质因子,最高可以达到。实验中发现,当大尺寸晶体腔与绝热的锥形光纤进行耦合时,能够激发出多个谐振模式,保证了能够方便地选择不同的谐振波长来匹配受激布里渊散射频移。可以消除在匹配微腔的自由频谱范围和布里渊频移时对微腔尺寸精准控制的需要。为了解决在微腔和波导耦合时的环境震动影响,还设计了一个可以精密耦合调节的封装平台,可以保证谐振腔和波导稳定的在氮气保护气体氛围中被耦合密封起来。产生的级联布里渊激光和设计出的稳定封装平台可以用于后续的应用开发,例如多波长布里渊激光器产生和基于布里渊激光的陀螺仪研发等。

    Abstract:

    The whispering gallery mode (WGM) micro-resonator is an ideal platform for investigating the nonlinear light phenomenon. In this article, we achieved up to the fifth-order cascaded stimulated Brillouin scattering (SBS) light in a CaF2 micro-disk resonator with an mm-sized 12.6 mm diameter and an ultra-high quality factor ( factor) at 1 550 nm wavelength. We found that there are multi modes of families in our large-scale micro-disk resonator when coupled to an adiabatic tapered fiber, which can easily select resonances matching the SBS frequency shift. This can eliminate the requirement that precisely controlls the scale of the resonator to match the free spectral range (FSR) with the Brillouin frequency shift. During our experiment, to solve the environmental fluctuation problem between the micro-disk resonator and tapered fiber, we designed a packaged platform that can steadily seal the resonator and tapered fiber in an N2 atmosphere. The generated cascaded Brillouin light and the stable packaged platform can further be used to investigate the multi-wavelength Brillouin laser and Brillouin light-based gyroscope.

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引用本文

杨煜,赵帅,沈远,孟令俊,王梦宇,张磊,王克逸.基于超高Q值封装CaF2晶体盘腔的级联受激布里渊散射光产生[J].红外与毫米波学报,2021,40(6):865~869]. YANG Yu, ZHAO Shuai, SHEN Yuan, MENG Ling-Jun, WANG Meng-Yu, ZHANG Lei, WANG Ke-Yi. Generation of stimulated Brillouin scattering in a packaged CaF2 micro-disk resonator with ultra-high-Q factor[J]. J. Infrared Millim. Waves,2021,40(6):865~869.]

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历史
  • 收稿日期:2021-02-26
  • 最后修改日期:2021-12-14
  • 录用日期:2021-04-16
  • 在线发布日期: 2021-11-29
  • 出版日期: