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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 3 — Jan. 20, 2010
  • pp: 463–470

Blue surface-emitting distributed feedback lasers based on TPD-doped films

Eva M. Calzado, Jose M. Villalvilla, Pedro G. Boj, Jose A. Quintana, Pablo A. Postigo, and María A. Díaz-García  »View Author Affiliations


Applied Optics, Vol. 49, Issue 3, pp. 463-470 (2010)
http://dx.doi.org/10.1364/AO.49.000463


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Abstract

Single-mode second-order distributed feedback (DFB) lasers with low threshold, based on polystyrene films doped with 30 wt. % of the hole-transporting organic molecule N,N-bis (3-methylphenyl)-N,N-diphenylbenzidine (TPD) are reported. The laser emission wavelength was tuned between 415 and 427 nm by film thickness variation. The effectiveness of the DFB grating in improving the laser performance is evidenced by the observation of linewidths and laser thresholds lower than those of the amplified spontaneous emission characteristics shown by films without gratings. The use of holographic lithography as the technique for grating recording has allowed us to prepare large samples in a fast, versatile, and simple manner.

© 2010 Optical Society of America

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.2050) Lasers and laser optics : Dye lasers
(140.3580) Lasers and laser optics : Lasers, solid-state
(160.0160) Materials : Materials
(160.3380) Materials : Laser materials
(160.4890) Materials : Organic materials

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: September 28, 2009
Manuscript Accepted: November 24, 2009
Published: January 15, 2010

Citation
Eva M. Calzado, Jose M. Villalvilla, Pedro G. Boj, Jose A. Quintana, Pablo A. Postigo, and María A. Díaz-García, "Blue surface-emitting distributed feedback lasers based on TPD-doped films," Appl. Opt. 49, 463-470 (2010)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-49-3-463

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