Issue 40, 2009
From the journal:

Journal of Materials Chemistry

Continuous melt processing of all-polymer distributed feedback lasers†

Hyunmin Song,b   Kenneth Singer,*a   Joseph Lott,b   Yeheng Wu,a   Juefei Zhou,a   James Andrews,c   Eric Baer,b   Anne Hiltnerb  and  Christoph Weder‡b  

* Corresponding authors

a Department of Physics, Case Western Reserve University, Cleveland, OH, USA
E-mail: kenneth.singer@case.edu

b Department of Macromolecular Science and Engineering, Case Western Reserve University, Cleveland, OH, USA

c Department of Physics and Astronomy, Youngstown State University, Youngstown, OH, USA

Abstract

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.

Graphical abstract: Continuous melt processing of all-polymer distributed feedback lasers

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Article information

DOI
https://doi.org/10.1039/B909348F
Article type
Paper
Submitted
11 May 2009
Accepted
11 Jun 2009
First published
15 Jul 2009

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

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Continuous melt processing of all-polymer distributed feedback lasers

H. Song, K. Singer, J. Lott, Y. Wu, J. Zhou, J. Andrews, E. Baer, A. Hiltner and C. Weder, J. Mater. Chem., 2009, 19, 7520 DOI: 10.1039/B909348F

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