期刊
POLYMERS
卷 10, 期 11, 页码 -出版社
MDPI
DOI: 10.3390/polym10111194
关键词
distributed feedback laser; random laser; polymer laser; compound cavity
资金
- National Natural Science Foundation of China [11474014, 11574015, 11304005]
- Fundamental Research Funds for the Central Universities [2017MS198]
Simultaneous distributed feedback (DFB) lasing and linear polarized random lasing are observed in a compound cavity, which consists of a grating cavity and a random cavity. The grating cavity is fabricated by interference lithography. A light-emitting polymer dopedwith silver nanoparticles is spin-coated on the grating, forming a random cavity. DFB lasing and random lasing occur when the periodic-random compound cavity is optically pumped. The directionality and polarization of the random laser are modified by the grating structure. These results can potentially be used to design integrated laser sources.
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