Abstract

Lasing action in an electrically pumped organic laser device is demonstrated with a high quality factor (Q) microcavity structure formed by two high-reflective and low-loss electrical contacts. A 4-(dicyanomethylene)-2-i-propyl-6-(1,1,7,7-tetramethyljulolidyl-9-enyl)-4H-pyran-doped tris(8-hydroxy- quinoline)aluminum (Alq3) film serves as the active layer. A single longitudinal lasing cavity mode is obtained at 621.7nm with a threshold current density of 860mAcm2 under a room temperature pulse operation.

© 2009 Optical Society of America

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