TITLE

A nearly diffraction limited surface emitting conjugated polymer laser utilizing a two-dimensional photonic band structure

AUTHOR(S)
Riechel, S.; Kallinger, C.; Lemmer, U.; Feldmann, J.; Gombert, A.; Wittwer, V.; Scherf, U.
PUB. DATE
October 2000
SOURCE
Applied Physics Letters;10/9/2000, Vol. 77 Issue 15
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We have fabricated a mechanically flexible conjugated polymer laser utilizing distributed feedback due to a two-dimensional photonic band structure. An ultraviolet-embossing process is used for nanopatterning a plastic substrate. On top we spin-coat a ladder-type poly(p-phenylene) as the active laser medium. Upon optical pumping, we observe a low threshold and nearly diffraction limited monomode laser emission perpendicular to the surface. Our results are explained within a Laue formulation for the feedback mechanism in the two-dimensional organic photonic crystal. © 2000 American Institute of Physics.
ACCESSION #
4413459

 

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