Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 53, Issue 23, Pages 5863-5867Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201310659
Keywords
microdisk laser; nanophotonics; organic nanostructures; self-assembly; whispering-gallery mode
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Funding
- National Natural Science Foundation of China [21073200, 21273251, 91333111, 21190034, 21221002]
- Beijing Municipal Science & Technology Commission [Z131103002813097]
- project of Construction of Innovative Teams and Teacher Career Development for Universities and Colleges Under Beijing Municipality [IDHT20140512]
- National Basic Research Program of China (973) [2011CB808402 2013CB933500]
- Chinese Academy of Sciences
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Whispering-gallery-mode (WGM) resonators of semiconductor microdisks have been applied for achieving low-threshold and narrow-linewidth microlasers, but require sophisticated top-down processing technology. Organic single-crystalline hexagonal microdisks (HMDs) of p-distyrylbenzene (DSB) self-assembled from solution can function as WGM microresonators with a cavity quality factor (Q) of 210. Both multiple-and single-mode lasing had been achieved using DSB HMDs with an edge length of 4.3 and 1.2 mu m, respectively. These organic microdisks fabricated by bottom-up self-assembly approach may offer potential applications as low-threshold microlaser sources for photonic circuit integration.
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