Journal
OPTICS EXPRESS
Volume 18, Issue 12, Pages 12909-12914Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.18.012909
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Funding
- New Energy Technology Development Organization (NEDO) [04A24509]
- Ministry of Education, Culture, Sports, Science and Technology (MEXT) of Japan
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We fabricated novel hybrid structures composed of a dye-doped low-molecular-weight cholesteric liquid crystal sandwiched by multilayered polymer cholesteric liquid crystal films and evaluated their lasing characteristics. Lasing was observed with an extremely reduced threshold (12 nJ/pulse) by a factor of 10 compared with that in a simple dye-doped low-molecular-weight cholesteric liquid crystal cell. Lasing characteristics experimentally obtained were discussed by comparing them with the simulated photonic density of states spectra. (C) 2010 Optical Society of America
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