Phase-Controlled Bistability of a Dark Soliton Train in a Polariton Fluid

Year: 2016

Authors: Goblot V., Nguyen HS., Carusotto I., Galopin E., Lemaitre A., Sagnes I., Amo A., Bloch J

Autors Affiliation: Univ Paris Saclay, Univ Paris Sud, CNRS, Ctr Nanosci & Nanotechnol,Marcoussis C2N, F-91460 Marcoussis, France; Univ Trento, INO CNR BEC Ctr, I-38123 Povo, Italy; Univ Trento, Dipartimento Fis, I-38123 Povo, Italy; Univ Paris Saclay, Ecole Polytech, Dept Phys, F-91128 Palaiseau, France.

Abstract: We use a one-dimensional polariton fluid in a semiconductor microcavity to explore the nonlinear dynamics of counterpropagating interacting Bose fluids. The intrinsically driven-dissipative nature of the polariton fluid allows us to use resonant pumping to impose a phase twist across the fluid. When the polariton-polariton interaction energy becomes comparable to the kinetic energy, linear interference fringes transform into a train of solitons. A novel type of bistable behavior controlled by the phase twist across the fluid is experimentally evidenced.

Journal/Review: PHYSICAL REVIEW LETTERS

Volume: 117 (21)      Pages from: 217401-1  to: 217401-5

More Information: This work was supported by the French National Research Agency (ANR) program Labex NanoSaclay projects Qeage (ANR-11-IDEX-0003-02) and ICQOQS (ANR-10-LABX-0035), the French RENATECH network, the ERC Grant Honeypol and the EU-FET Proactive Grant AQUS (Project No. 640800). I. C. is grateful to F. Dalfovo for insightful discussions.
KeyWords: Semiconductor Microcavity; Quantum Fluid; Condensate
DOI: 10.1103/PhysRevLett.117.217401

ImpactFactor: 8.462
Citations: 39
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