All-Optical Tunable Whispering Gallery Modes in a Polymer Bottle Micro-Resonator

被引：9
|
作者：
Wang, Hongxia [1 ,2 ]
Liao, Miaomiao [1 ,2 ]
Xiao, Huifu [1 ,2 ]
Zhang, Zhenfu [3 ]
Yang, Junbo [3 ]
Yang, Jianhong [1 ,2 ]
Tian, Yonghui [1 ,2 ]
机构：
[1] Lanzhou Univ, Inst Microelect, Lanzhou 730000, Peoples R China
[2] Lanzhou Univ, Sch Phys Sci & Technol, Key Lab Magnetism & Mat MOE, Lanzhou 730000, Peoples R China
[3] Natl Univ Def Technol, Ctr Mat Sci, Changsha 410073, Peoples R China
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2021年 / 33卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Silicon compounds; Optical fiber devices; Pump lasers; Microcavities; Laser tuning; Performance evaluation; Band-pass filters; Microbottle-resonator; PDMS; all-optical tuning; microfiber;
D O I：
10.1109/LPT.2020.3045466
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We propose and demonstrate an all-optical tunable polymer bottle micro-resonator fabricated by droplet dispensing method. A microfiber is used to excite whispering gallery mode (WGM) of the micro-resonator. Continuous wave (CW) laser is employed as pump light to tune the WGM. To illustrate tuning performance of the fabricated device, external and internal pump light methods are both employed. For external pump light method, the tuning efficiency is about 5.23 pm/mW. For internal pump light, tuning efficiency of 68.3 pm/mW is obtained. The experimental results reveal that the bottle micro-resonator (BMR) can achieve wavelength tuning more than one free spectral range (FSR), which indicates the WGM can be tuned within a transparent window covered the full wavelength range. In addition, the fabricated device has advantages of high tuning efficiency, small size, easy fabrication, and extremely low cost.
引用
收藏
页码：97 / 100
页数：4
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