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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 29, Iss. 8 — Apr. 15, 2004
  • pp: 869–871

Optical amplification in a first-generation dendritic organic semiconductor

Justin R. Lawrence, Graham A. Turnbull, Ifor D. W. Samuel, Gary J. Richards, and Paul L. Burn  »View Author Affiliations


Optics Letters, Vol. 29, Issue 8, pp. 869-871 (2004)
http://dx.doi.org/10.1364/OL.29.000869


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Abstract

We report a study of a new class of organic semiconductor as an optical gain medium. We demonstrate amplification of violet light by use of stimulated emission in a solution of a first-generation bis-fluorene-cored semiconducting dendrimer. Amplification is also observed in the solid state by means of amplified spontaneous emission in an optically pumped dendrimer planar waveguide. Gains of 36 dB cm-1 at 420 nm and 26 dB cm-1 at 390 nm in solution and 350 dB cm-1 in the solid state are obtained. These results show that semiconducting dendrimers have potential as visible laser and amplifier materials.

© 2004 Optical Society of America

OCIS Codes
(060.2280) Fiber optics and optical communications : Fiber design and fabrication
(060.2300) Fiber optics and optical communications : Fiber measurements
(060.2310) Fiber optics and optical communications : Fiber optics
(230.4000) Optical devices : Microstructure fabrication

Citation
Justin R. Lawrence, Graham A. Turnbull, Ifor D. W. Samuel, Gary J. Richards, and Paul L. Burn, "Optical amplification in a first-generation dendritic organic semiconductor," Opt. Lett. 29, 869-871 (2004)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-29-8-869

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