Journal
APPLIED PHYSICS LETTERS
Volume 104, Issue 25, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4885382
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Funding
- JSPS KAKENHI [25248045, 23685044]
- Grants-in-Aid for Scientific Research [25286042, 25248045, 23685044] Funding Source: KAKEN
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We have achieved to observe vertical cavity surface emitting lasing (VCSEL) from an optically pumped organic single crystal. A vapor-grown thiophene/phenylene co-oligomer (TPCO) single crystal with in-plane polarization component was used as the gain medium in an optical microcavity. Since the top and bottom surfaces of the TPCO crystal serve as high-quality resonators, well-defined Fabry-Perot resonance is achieved. Furthermore, by using high reflectivity distributed Bragg reflector as the cavity resonator, we have observed lasing emissions with a line width of 0.9 nm and a threshold of similar to 3 mJ/cm(2). The VCSEL-type optical feedback configuration demonstrated in this study is expected to be one of the available means to realize the electrically pumped organic laser device. (C) 2014 AIP Publishing LLC.
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