Observation of bright solitons in a semiconductor microcavity

M Sich, D N Krizhanovskii, M S Slolnick, Andriy V Gorbach, Robin Hartley, Dmitry V Skryabin, E A Cerda-Mendez, K Biermann, R Hey, P V Santos

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Abstract

Microcavity polaritons are composite half-light half-matter quasiparticles, which have recently been demonstrated to exhibit rich physical properties, such as non-equilibrium condensation, parametric scattering and superfluidity. At the same time, polaritons have important advantages over photons for information processing, because their excitonic component leads to weaker diffraction and stronger interparticle interactions, implying, respectively, tighter localization and lower powers for nonlinear functionality. Here, we present the first experimental observations of bright polariton solitons in a strongly coupled semiconductor microcavity. The polariton solitons are shown to be micrometre-scale localized non-diffracting wave packets with a corresponding broad spectrum in momentum space. Unlike the solitons known in Bose condensed atomic gases, they are non-equilibrium and rely on a balance between losses and external pumping. Microcavity polariton solitons are excited on picosecond timescales, and thus have further benefits for information processing over light-only solitons in semiconductor cavity lasers, which have nanosecond response times.
LanguageEnglish
Pages50-55
Number of pages6
JournalNature Photonics
Volume6
Issue number1
Early online date13 Nov 2011
DOIs
StatusPublished - Jan 2012

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Microcavities
Solitons
polaritons
solitary waves
Semiconductor materials
Superfluid helium
Wave packets
Laser resonators
superfluidity
monatomic gases
Condensation
Momentum
Photons
Physical properties
Diffraction
laser cavities
Gases
Scattering
wave packets
micrometers

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Sich, M., Krizhanovskii, D. N., Slolnick, M. S., Gorbach, A. V., Hartley, R., Skryabin, D. V., ... Santos, P. V. (2012). Observation of bright solitons in a semiconductor microcavity. DOI: 10.1038/NPHOTON.2011.267

Observation of bright solitons in a semiconductor microcavity. / Sich, M; Krizhanovskii, D N; Slolnick, M S; Gorbach, Andriy V; Hartley, Robin; Skryabin, Dmitry V; Cerda-Mendez, E A; Biermann, K; Hey, R; Santos, P V.

In: Nature Photonics, Vol. 6, No. 1, 01.2012, p. 50-55.

Research output: Contribution to journalArticle

Sich, M, Krizhanovskii, DN, Slolnick, MS, Gorbach, AV, Hartley, R, Skryabin, DV, Cerda-Mendez, EA, Biermann, K, Hey, R & Santos, PV 2012, 'Observation of bright solitons in a semiconductor microcavity' Nature Photonics, vol. 6, no. 1, pp. 50-55. DOI: 10.1038/NPHOTON.2011.267
Sich M, Krizhanovskii DN, Slolnick MS, Gorbach AV, Hartley R, Skryabin DV et al. Observation of bright solitons in a semiconductor microcavity. Nature Photonics. 2012 Jan;6(1):50-55. Available from, DOI: 10.1038/NPHOTON.2011.267
Sich, M ; Krizhanovskii, D N ; Slolnick, M S ; Gorbach, Andriy V ; Hartley, Robin ; Skryabin, Dmitry V ; Cerda-Mendez, E A ; Biermann, K ; Hey, R ; Santos, P V. / Observation of bright solitons in a semiconductor microcavity. In: Nature Photonics. 2012 ; Vol. 6, No. 1. pp. 50-55
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