TITLE

Selective excitation of laser modes in an organic photonic dot microcavity

AUTHOR(S)
Langner, M.; Sudzius, M.; Fröb, H.; Lyssenko, V. G.; Leo, K.
PUB. DATE
August 2009
SOURCE
Applied Physics Letters;8/31/2009, Vol. 95 Issue 9, p091109
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We experimentally investigate variable laser mode excitation in an organic photonic dot microcavity by shifting the excitation beam position. The sample comprises two highly reflective dielectric mirrors (R>99.9%) and a square-shaped organic dye mesa of a DCM doped (2 wt %) Alq3-matrix. Its wavelength-size (≈5×5 μm2) transforms the cavity mode dispersion to a set of discrete states, each with a different intensity distribution of the electromagnetic field in space. Numerical simulations, including absorption and gain, confirm the experimentally observed relation between mode distribution and progression on the excitation condition.
ACCESSION #
44066546

 

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