Heterodyne pump probe measurements of nonlinear dynamics in an indium phosphide photonic crystal cavity

Using a sensitive two-color heterodyne pump-probe technique, we investigate the carrier dynamics of an InP photonic crystal nanocavity. The heterodyne technique provides unambiguous results for all wavelength configurations, including the degenerate case, which cannot be investigated with the widely...

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Bibliographic Details
Published in:Applied physics letters 2013-10, Vol.103 (18)
Main Authors: Heuck, M., Combrié, S., Lehoucq, G., Malaguti, S., Bellanca, G., Trillo, S., Kristensen, P. T., Mørk, J., Reithmaier, J. P., de Rossi, A.
Format: Article
Language:English
Subjects:
Applied physics
Carriers
Coupled modes
Nonlinear dynamics
Phosphides
Photonic crystals
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Summary:Using a sensitive two-color heterodyne pump-probe technique, we investigate the carrier dynamics of an InP photonic crystal nanocavity. The heterodyne technique provides unambiguous results for all wavelength configurations, including the degenerate case, which cannot be investigated with the widely used homodyne technique. A model based on coupled mode theory including two carrier distributions is introduced to account for the relaxation dynamics, which is assumed to be governed by both diffusion and recombination.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.4828355