4.8 Article

Low Thresholds in Polymer Lasers on Conductive Substrates by Distributed Feedback Nanoimprinting: Progress Toward Electrically Pumped Plastic Lasers

Journal

ADVANCED MATERIALS
Volume 21, Issue 7, Pages 799-+

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.200802436

Keywords

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Funding

  1. Air Force Office of Scientific Research
  2. National Science Foundation [NSF-DMR-0602280]
  3. Direct For Mathematical & Physical Scien [0856060] Funding Source: National Science Foundation
  4. Division Of Materials Research [0856060] Funding Source: National Science Foundation

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A light-emitting transistor (LEFET) architecture with a distributed feedback (DFB) resonator structure nanoirnprinted into the gain medium offers a route to achieving an electrically pumped plastic laser. A 2D DFB laser provides lower lasing thresholds than a 1D DFB laser under identical conditions. The 2D DFB lasers exhibit excellent characteristics with lasing threshold and slope efficiency of 32 nJ/pulse and 1.2%, respectively.

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