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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 10 — May. 15, 2006
  • pp: 1429–1431

Low-loss and highly polarized emission from planar polymer waveguides

A. Camposeo, E. Mele, L. Persano, D. Pisignano, and R. Cingolani  »View Author Affiliations


Optics Letters, Vol. 31, Issue 10, pp. 1429-1431 (2006)
http://dx.doi.org/10.1364/OL.31.001429


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Abstract

The waveguiding properties and amplified spontaneous emission (ASE) of a blend of light-emitting gain-conjugated polymers were investigated. ASE-induced line narrowing occurs for excitation fluences larger than 100 μ J cm 2 , with a maximum optical-gain coefficient of 8 cm 1 . Energy transfer between the host and guest polymers, significantly reducing the self-absorption, leads to a loss coefficient of the waveguide as low as 0.3 cm 1 , which is believed to be the lowest value reported for active organic gain slabs and a highly polarized emission, with a polarization contrast up to 0.65. These results indicate that gain-conjugated polymer blends are state-of-the-art organic materials for lasing devices.

© 2006 Optical Society of America

OCIS Codes
(130.0250) Integrated optics : Optoelectronics
(230.7400) Optical devices : Waveguides, slab
(250.3680) Optoelectronics : Light-emitting polymers
(260.2160) Physical optics : Energy transfer
(310.2790) Thin films : Guided waves

ToC Category:
Integrated Optics

History
Original Manuscript: February 1, 2006
Revised Manuscript: February 24, 2006
Manuscript Accepted: March 1, 2006

Citation
A. Camposeo, E. Mele, L. Persano, D. Pisignano, and R. Cingolani, "Low-loss and highly polarized emission from planar polymer waveguides," Opt. Lett. 31, 1429-1431 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-10-1429


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