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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 16 — Jun. 1, 2012
  • pp: 3287–3293

Thickness dependence of amplified spontaneous emission in low-absorbing organic waveguides

Eva M. Calzado, Manuel G. Ramírez, Pedro G. Boj, and María A. Díaz García  »View Author Affiliations


Applied Optics, Vol. 51, Issue 16, pp. 3287-3293 (2012)
http://dx.doi.org/10.1364/AO.51.003287


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Abstract

The effect of varying film thickness (h) on the amplified spontaneous emission (ASE) properties of 0.5wt.% perylenediimide-doped polystyrene waveguides is reported. The threshold dependence on h, not previously investigated in detail, is analyzed in terms of the film absorption and photoluminescence, the confinement of the fundamental waveguide mode (TE0), and the presence of high-order modes. For h<400nm and down to 150 nm, the ASE wavelength blueshifts, while the linewidth and threshold increase. The detrimental ASE operation in very thin films is due to the low absorption as well as to the poor confinement of the TE0 mode.

© 2012 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: February 23, 2012
Revised Manuscript: March 30, 2012
Manuscript Accepted: March 30, 2012
Published: May 24, 2012

Citation
Eva M. Calzado, Manuel G. Ramírez, Pedro G. Boj, and María A. Díaz García, "Thickness dependence of amplified spontaneous emission in low-absorbing organic waveguides," Appl. Opt. 51, 3287-3293 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-16-3287


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