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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 45, Iss. 22 — Aug. 1, 2006
  • pp: 5748–5751

Tunable distributed feedback lasing with a threshold in the nanojoule range in an organic guest–host polymeric waveguide

Naoto Tsutsumi, Arata Fujihara, and Daisuke Hayashi  »View Author Affiliations


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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