Chinese Optics Letters, 2013, 11 (10): 101401, Published Online: Oct. 8, 2013
UV-curable adhesive microsphere whispering gallery mode resonators Download: 763次
140.4780 Optical resonators 160.6840 Thermo-optical materials 230.4000 Microstructure fabrication 260.5740 Resonance
Abstract
We report the fabrication and optical characterization of spherical whispering gallery mode (WGM) resonators made from ultraviolet (UV)-curable adhesive. The fabricated microspheres have good sphericity and surface smoothness, and can directly adhere to the tip of half-tapered fibers for easy manipulation. WGMs are efficiently excited in the microsphere using an evanescent field of the tapered silica optical fibers. Resonances with quality factors of 1.3 \times 105 are observed. The dependence of wavelength shifts of WGM resonances on the input light powers shows that the resonant wavelength of the proposed microsphere resonators can be tuned thermo-optically.
Guoqiang Gu, Lujian Chen, Hongyan Fu, Kaijun Che, Zhiping Cai, Huiying Xu. UV-curable adhesive microsphere whispering gallery mode resonators[J]. Chinese Optics Letters, 2013, 11(10): 101401.