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Georgios Tsiminis, Yue Wang, Alexander L. Kanibolotsky, Anto R. Inigo, Peter J. Skabara, Ifor D. W. Samuel and Graham A. Turnbull Nanoimprinted Organic Semiconductor Laser Pumped by a Light-Emitting Diode Advanced Materials 25

Version of Record online: 12 APR 2013 | DOI: 10.1002/adma.201205096

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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.

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