Lasers, Fiber Optics, and Communications

Whispering gallery mode microlaser based on a fiber-stand polydimethylsiloxane microresonator

[+] Author Affiliations
Leilei Wu

Shanghai Jiao Tong University, The State Key Laboratory of Advanced Optical Communication Systems and Networks, Department of Physics and Astronomy, 800 Dongchuan Road, Shanghai 200240, China

Zhenhua Shen, Yuanlin Zheng, Zengyan Cai, Xianfeng Chen

Shanghai Jiao Tong University, The State Key Laboratory of Advanced Optical Communication Systems and Networks, Department of Physics and Astronomy, 800 Dongchuan Road, Shanghai 200240, China

Opt. Eng. 53(11), 116105 (Nov 06, 2014). doi:10.1117/1.OE.53.11.116105
History: Received August 10, 2014; Revised October 8, 2014; Accepted October 13, 2014
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Abstract.  The whispering gallery mode (WGM) lasing in a polydimethylsiloxane (PDMS)-based microresonator is demonstrated with a convenient and crafty approach. Fabricated by directly brushing dye-doped PDMS solution on an optical fiber, the microresonator is self-formed due to the high surface tension. The size of the resonator can be widely tuned by using different droplet volumes and brushing speeds across the optical fiber. Lasing with a threshold as low as 2.5μJ/mm2 is observed in this kind of fiber-stand PDMS microresonator. We also investigate the dependence of the lasing threshold on the different polarizations of the pump laser and size of the microresonator. This kind of WGM microresonator will find applications in optical sensors and on-chip integrated systems.

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© 2014 Society of Photo-Optical Instrumentation Engineers

Citation

Leilei Wu ; Zhenhua Shen ; Yuanlin Zheng ; Zengyan Cai and Xianfeng Chen
"Whispering gallery mode microlaser based on a fiber-stand polydimethylsiloxane microresonator", Opt. Eng. 53(11), 116105 (Nov 06, 2014). ; http://dx.doi.org/10.1117/1.OE.53.11.116105


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