Continuous melt processing of all-polymer distributed feedback lasers

Hyunmin Song; Kenneth Singer; Joseph Lott; Yeheng Wu; Juefei Zhou; James Andrews; Eric Baer; Anne Hiltner; Christoph Weder

doi:10.1039/B909348F

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Journal of Materials Chemistry

Issue 40, 2009

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Continuous melt processing of all-polymer distributed feedback lasers

Hyunmin Song , Kenneth Singer , Joseph Lott , Yeheng Wu , Juefei Zhou , James Andrews , Eric Baer , Anne Hiltner and Christoph Weder

J. Mater. Chem., 2009, 19, 7520-7524

DOI: 10.1039/B909348F
Received 11 May 2009, Accepted 11 Jun 2009
First published on the web 15 Jul 2009
This article is part of the collection: Organic nonlinear optics

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Novel processing techniques for low-cost production of photonic devices could open up new applications for functional polymer systems. To this end, we have used multilayer coextrusion in a continuous melt process to fabricate large-area polymeric nanolayer films for optically-pumped all-polymer distributed feedback (DFB) surface-emitting lasers. Each laser film consists of hundreds of alternating layers of two transparent polymers with different refractive indices, of which one contains a laser dye. The resulting DFB lasers emit at defect states and show efficiencies as high as 8% and threshold fluences as low as 100 µJ/cm².

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Hyunmin Song
Kenneth Singer
Joseph Lott
Yeheng Wu
Juefei Zhou
James Andrews
Eric Baer
Anne Hiltner
Christoph Weder

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Journal of Materials Chemistry

Continuous melt processing of all-polymer distributed feedback lasers

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