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

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

A light‐emitting transistor (LEFET) architecture with a distributed feedback (DFB) resonator structure nanoimprinted 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....

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Veröffentlicht in:Advanced materials (Weinheim) 2009-02, Vol.21 (7), p.799-802
Hauptverfasser: Namdas, Ebinazar B., Tong, Minghong, Ledochowitsch, Peter, Mednick, Sarah R., Yuen, Jonathan D., Moses, Daniel, Heeger, Alan J.
Format: Artikel
Sprache:eng
Schlagworte:
Field-effect transistors
Lasing
Light-emitting devices
Nanoimprint lithography
Optically pumped lasers
Organic electronics
Polymer lasers
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Zusammenfassung:A light‐emitting transistor (LEFET) architecture with a distributed feedback (DFB) resonator structure nanoimprinted 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.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.200802436