Tunable distributed feedback lasing with a threshold in the nanojoule range in an organic guest-host polymeric waveguide
Applied Optics, Vol. 45, Issue 22, pp. 5748-5751 (2006)
http://dx.doi.org/10.1364/AO.45.005748
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Abstract
Tunable distributed feedback lasing was achieved in a guest–host polymeric waveguide using holographic dynamic gratings. Tris(8-quinolinolato)aluminum (Alq) as a host and 4-(dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran (DCM) as a guest emitter were dispersed in poly(N-vinyl carbazole) (PVCz) matrix. Emission of both the TE0 and the TM0 modes was measured. Effective energy transfer from PVCz to DCM through Alq assisted in the reduction of the threshold of laser emission. The threshold of 38 nJ∕pulse was measured for first-order lasing and that of 53 nJ∕pulse for second-order lasing.
© 2006 Optical Society of America
OCIS Codes
(140.3490) Lasers and laser optics : Lasers, distributed-feedback
(140.3600) Lasers and laser optics : Lasers, tunable
(310.2790) Thin films : Guided waves
(310.6860) Thin films : Thin films, optical properties
ToC Category:
Lasers and Laser Optics
History
Original Manuscript: December 19, 2005
Revised Manuscript: February 18, 2006
Manuscript Accepted: February 24, 2006
Citation
Naoto Tsutsumi, Arata Fujihara, and Daisuke Hayashi, "Tunable distributed feedback lasing with a threshold in
the nanojoule range in an organic guest-host polymeric waveguide," Appl. Opt. 45, 5748-5751 (2006)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-45-22-5748
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