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A Low Threshold Polymer Laser Based on Metallic Nanoparticle Gratings
Author(s) -
Stehr J.,
Crewett J.,
Schindler F.,
Sperling R.,
von Plessen G.,
Lemmer U.,
Lupton J.M.,
Klar T.A.,
Feldmann J.,
Holleitner A.W.,
Forster M.,
Scherf U.
Publication year - 2003
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.200305221
Subject(s) - materials science , lasing threshold , optoelectronics , indium tin oxide , laser , dielectric , indium , resonator , nanoparticle , polymer , nanotechnology , optics , thin film , composite material , wavelength , physics
Optically pumped lasing is demonstrated in a device consisting of a conjugated polymer on top of a 2D distributed feedback template comprising gold nanodiscs on indium tin oxide (see Figure). Although the nanodiscs are potential dissipative energy absorbers only a marginal increase in lasing threshold is found when compared to conventional dielectric distributed feedback resonators. The inset shows a photograph of the far‐field emission above threshold.
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