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Proceedings Paper

Ultrafast adiabatic control of reciprocity and coherent backscattering in random scattering media
Author(s): Otto L. Muskens; Timmo van der Beek; Thomas Wellens
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Paper Abstract

We experimentally demonstrate ultrafast control over reciprocal light paths in random media. The combination of multiple scattering and coherence of light gives rise to strong interference contributions in light transport. An important interference correction to diffusion theory is the coherent backscattering effect, the constructive interference of reciprocal light paths in the backscattering direction. Our experiments show that the phase coherence between these paths can be suppressed by introducing dynamics faster than the photon dwell time. This adiabatic dephasing is of interest for its potential for controlling weak and strong localization and adiabatic storage and release of photonic information.

Paper Details

Date Published: 14 March 2013
PDF: 9 pages
Proc. SPIE 8623, Ultrafast Phenomena and Nanophotonics XVII, 86231L (14 March 2013); doi: 10.1117/12.2013706
Show Author Affiliations
Otto L. Muskens, Univ. of Southampton (United Kingdom)
Timmo van der Beek, FOM Institute AMOLF (Netherlands)
Thomas Wellens, Albert-Ludwigs-Univ. Freiburg (Germany)

Published in SPIE Proceedings Vol. 8623:
Ultrafast Phenomena and Nanophotonics XVII
Markus Betz; Abdulhakem Y. Elezzabi; Jin-Joo Song; Kong-Thon Tsen, Editor(s)

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