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Optical Engineering

On-chip tunable optofluidic dye laser
Author(s): Zengyan Cai; Zhenhua Shen; Haigang Liu; Huan Yue; Yun Zou; Xianfeng Chen
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Paper 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.

Paper Details

Date Published: 30 November 2016
PDF: 4 pages
Opt. Eng. 55(11) 116117 doi: 10.1117/1.OE.55.11.116117
Published in: Optical Engineering Volume 55, Issue 11
Show Author Affiliations
Zengyan Cai, Shanghai Jiao Tong Univ. (China)
Zhenhua Shen, Shanghai Jiao Tong Univ. (China)
Haigang Liu, Shanghai Jiao Tong Univ. (China)
Huan Yue, Shanghai Jiao Tong Univ. (China)
Yun Zou, hanghai Research Institute of Criminal Science and Technology (China)
Xianfeng Chen, Shanghai Jiao Tong Univ. (China)

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