Journal
ADVANCED MATERIALS
Volume 17, Issue 13, Pages 1630-+Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.200402080
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A novel organic distributed-feedback laser with programmable lasing wavelengths is described. The laser is based on a double-layered structure composed of an azopolymer layer that forms a surface relief grating (SRG) and a dye-doped polymer layer that provides optical gain. The lasing wavelength is programmed by erasing and rewriting the azopolymer SRG with an interference pattern of a different period (see Figure).
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