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Polariton bandstructure of disordered metallic photonic crystal slabs
Author(s) -
Nau D.,
Schönhardt A.,
Chigrin D. N.,
Kroha H.,
Christ A.,
Giessen H.
Publication year - 2007
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.200774516
Subject(s) - condensed matter physics , polariton , photonic crystal , excitation , anderson localization , materials science , physics , optoelectronics , quantum mechanics
We analyze the influence of disorder on the polaritonic bandstructure of metallic photonic crystal slabs. Different disorder types with varying next‐neighbor correlations and disorder amounts are implemented. Angle‐resolved transmission measurements allow to determine the relation of bandstructure and disorder. We found that uncorrelated disorder retains the bandstructure and only reduces the splitting between the gaps. Correlated disorder, however, leads to the complete destruction of the bandstructure for moderate disorder amounts due to the excitation of different modes. We present a model that shows a good agreement with the measurements. (© 2007 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)