Vortex chain in a resonantly pumped polariton superfluid

Scientific Reports
T BoulierA Bramati

Abstract

Exciton-polaritons are light-matter mixed states interacting via their exciton fraction. They can be excited, manipulated, and detected using all the versatile techniques of modern optics. An exciton-polariton gas is therefore a unique platform to study out-of-equilibrium interacting quantum fluids. In this work, we report the formation of a ring-shaped array of same sign vortices after injection of angular momentum in a polariton superfluid. The angular momentum is injected by a ℓ = 8 Laguerre-Gauss beam. In the linear regime, a spiral interference pattern containing phase defects is visible. In the nonlinear (superfluid) regime, the interference disappears and eight vortices appear, minimizing the energy while conserving the quantized angular momentum. The radial position of the vortices evolves in the region between the two pumps as a function of the density. Hydrodynamic instabilities resulting in the spontaneous nucleation of vortex-antivortex pairs when the system size is sufficiently large confirm that the vortices are not constrained by interference when nonlinearities dominate the system.

References

Mar 1, 1993·Physical Review. a·C O WeissM Brambilla
Sep 8, 2000·Physical Review Letters·F ChevyJ Dalibard
Oct 4, 2000·Physical Review Letters·K W MadisonJ Dalibard
Oct 3, 2001·Physical Review Letters·N R CooperJ M Gunn
Oct 4, 2003·Physical Review Letters·I CoddingtonE A Cornell
Dec 17, 2004·Physical Review Letters·Zachary Dutton, Janne Ruostekoski
Sep 29, 2006·Nature·J KasprzakLe Si Dang
Dec 13, 2006·Physical Review Letters·M F AndersenW D Phillips
Jul 23, 2008·Physical Review Letters·Jonathan Keeling, Natalia G Berloff
Nov 13, 2008·Physical Review Letters·T C H LiewA V Kavokin
Dec 8, 2009·Science·K G LagoudakisB Deveaud-Plédran
Sep 28, 2010·Physical Review Letters·A V GorbachD V Skryabin
Dec 20, 2012·Nature Communications·F ManniB Deveaud
May 21, 2013·Physical Review Letters·P CristofoliniJ J Baumberg
Oct 11, 2013·Nature Communications·F ManniB Deveaud
Jun 4, 2014·Proceedings of the National Academy of Sciences of the United States of America·Alexander DreismannJeremy J Baumberg

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Citations

Dec 15, 2015·Science Advances·Lorenzo DominiciDaniele Sanvitto
Jul 21, 2020·Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences·M J JacquetE Giacobino
Apr 15, 2018·Nature Communications·Lorenzo DominiciDaniele Sanvitto
Feb 27, 2017··Antonio GianfrateGalbadrakh Dagvadorj

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