Polarization characteristics of a light-emitting polymer microring laser |
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| Authors: | J Wang KY Wong |
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| Institution: | (1) Department of Physics, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong, P.R. China |
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| Abstract: | Microring cavities were fabricated by depositing poly(2-methoxy-5-(2’-ethylhexyloxy)-1,4-phenylene vinylene) (MEH-PPV) on
glass fibers by a dip-coating method. Laser emissions in whispering gallery modes were observed by pumping with a frequency-doubled
Nd:YAG laser. The threshold energy of the MEH-PPV microring laser was as low as 10 nJ per pulse (1.5 μJ/mm2). The polarization characteristics of the microring lasers were studied and a polarization model was developed to explain
the observed phenomena.
PACS 42.55.Sa; 42.70.Jk |
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| Keywords: | |
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