Lasers, Fiber Optics, and Communications

On-chip tunable optofluidic dye laser

[+] Author Affiliations
Zengyan Cai, Zhenhua Shen, Haigang Liu, Huan Yue, Xianfeng Chen

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

Yun Zou

Shanghai Key Laboratory of Crime Science Evidence, Shanghai Research Institute of Criminal Science and Technology Laboratory, No. 803 Zhongshan Road, Shanghai 200083, China

Opt. Eng. 55(11), 116117 (Nov 30, 2016). doi:10.1117/1.OE.55.11.116117
History: Received September 21, 2016; Accepted November 9, 2016
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Abstract.  We demonstrate a chip-scale tunable optofluidic dye laser with Au-coated fibers as microcavity. The chip is fabricated by soft lithography. When the active region is pumped, a relatively low threshold of 6.7  μJ/mm2 is realized with multimode emission due to good confinement of the cavity mirrors, long active region, as well as total reflectivity. It is easy to tune the lasing emission wavelength by changing the solvent of laser dye. In addition, the various intensity ratios of multicolor lasing can be achieved by controlling flow rates of two fluid streams carried with different dye molecules. Furthermore, the convenience in fabrication and directional lasing emission outcoupled by the fiber make the tunable optofluidic dye laser a promising underlying coherent light source in the integrated optofluidic systems.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Zengyan Cai ; Zhenhua Shen ; Haigang Liu ; Huan Yue ; Yun Zou, et al.
"On-chip tunable optofluidic dye laser", Opt. Eng. 55(11), 116117 (Nov 30, 2016). ; http://dx.doi.org/10.1117/1.OE.55.11.116117


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