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Nanoimprinted organic semiconductor laser pumped by a light-emitting diode

Tsiminis, Georgios and Wang, Yue and Kanibolotsky, Alexander L. and Inigo, Anto R. and Skabara, Peter J. and Samuel, Ifor D.W. and Turnbull, Graham A. (2013) Nanoimprinted organic semiconductor laser pumped by a light-emitting diode. Advanced Materials, 25 (20). pp. 2826-2830. ISSN 0935-9648

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    Abstract

    An organic semiconductor laser, simply fabricated by UV-nanoimprint lithography (UV-NIL), that is pumped with a pulsed InGaN LED is demonstrated. Molecular weight optimization of the polymer gain medium on a nanoimprinted polymer distributed feedback resonator enables the lowest reported UV-NIL laser threshold density of 770 W cm(-2), establishing the potential for scalable organic laser fabrication compatible with mass-produced LEDs.