Lasing in interferometrically structured organic materials

Copyright © (2005) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics

We present feedback structures for an organic photonic crystal laser created by directly structuring the gain medium, consisting of UVII-HS resist doped with a mixture of the laser dyes Coumarin and DCM. The photonic-crystal structure is realized by means of interference lithography. This approach greatly reduces the number of steps required to realize the feedback structure of an organic laser. The dispersion relations obtained expermimentally agree very well with the simulated band diagram.

By: Rik Harbers; John A. Hoffnagle; William D. Hinsberg; Rainer F. Mahrt; Nikolaj Moll; Daniel Erni; Baechtold Werner

Published in: Applied Physics Letters, volume 87, (no ), pages 241124 in 2005

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