Paper
7 March 2014 Formation and control of transverse patterns in a quantum fluid of microcavity polaritons
P. Lewandowski, V. Ardizzone, Y. C. Tse, N. H. Kwong, M. H. Luk, A. Lücke, M. Abbarchi, J. Bloch, E. Baudin, E. Galopin, A. Lemaître, P. T. Leung, Ph. Roussignol, R. Binder, J. Tignon, S. Schumacher
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Abstract
Transverse patterns in polariton fluids were recently studied as promising candidates for all-optical low-intensity switching. Here, we demonstrate these patterns in a specifically designed double-cavity system. We theoretically and experimentally analyse their formation and optical control. Our detailed theoretical analysis of the coupled nonlinear dynamics of the optical fields inside the double-cavity and the excitonic excitations inside the embedded semiconductor quantum wells is firmly based on a microscopic many-particle theory. Our calculations in the time domain enable us to study both the ultrafast transient dynamics of the patterns and their steady-state behavior under stationary excitation conditions. The patterns we report and analyze go beyond what can be observed and understood in a simple scalar quantum field. We find that polarization-selective excitation of the polaritons leads to a complex interplay between longitudinal-transverse splitting of the cavity modes and the spin-dependent interactions of the polaritons' excitonic component.
© (2014) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
P. Lewandowski, V. Ardizzone, Y. C. Tse, N. H. Kwong, M. H. Luk, A. Lücke, M. Abbarchi, J. Bloch, E. Baudin, E. Galopin, A. Lemaître, P. T. Leung, Ph. Roussignol, R. Binder, J. Tignon, and S. Schumacher "Formation and control of transverse patterns in a quantum fluid of microcavity polaritons", Proc. SPIE 8984, Ultrafast Phenomena and Nanophotonics XVIII, 89840X (7 March 2014); https://doi.org/10.1117/12.2037174
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KEYWORDS
Polaritons

Polarization

Optical microcavities

Scattering

Transient nonlinear optics

Geometrical optics

Switching

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