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Related papers: Macroscopic Two-Dimensional Polariton Condensates

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A quantum model of Bose-Einstein condensation based on processes involving polaritons excited in an intracavity absorbing cell with resonance atoms, which is manifested in the spectral characteristics of the system, is considered. It is…

We study the effects of imprinting a single-quantized vortex on the steady state of a microcavity exciton-polariton condensate generated via parametric scattering. Interestingly we observe two distinct regimes: In the first case, at low…

Mesoscale and Nanoscale Physics · Physics 2013-09-26 G. Tosi , D. Sanvitto , M. Baudisch , E. Karimi , B. Piccirillo , L. Marrucci , A. Lemaitre , J. Bloch , L. Vina

We investigate the process of condensation of exciton-polaritons in a one-dimensional nanowire, predicting spontaneous formation of domains of uncondensed excitons and condensed polaritons. We demonstrate a universal scaling law for the…

Quantum Gases · Physics 2014-01-28 Michal Matuszewski , Emilia Witkowska

Besides being superfluids, microcavity exciton-polariton condensates are capable of spontaneous pattern formation due to their forced-dissipative dynamics. Their macroscopic and easily detectable response to small perturbations can be…

Quantum Gases · Physics 2012-11-09 Guido Franchetti , Natalia G. Berloff , Jeremy J. Baumberg

We explore the behaviour of a system which consists of a photon mode dipole coupled to a medium of two-level oscillators in a microcavity in the presence of decoherence. We consider two types of decoherence processes which are analogous to…

Condensed Matter · Physics 2009-11-10 M. H. Szymanska , P. B. Littlewood , B. D. Simons

We report the mean field model of nonequilibrium polariton condensation in annular effective non-Hermitian potential traps, stemming from incoherent optically induced excitonic reservoirs of annular shape. We solve the linearized extended…

Mesoscale and Nanoscale Physics · Physics 2023-01-11 A. K. Bochin , A. V. Nalitov

We demonstrate mini droplet, mega droplet and stripe formation in a dipolar 164Dy condensate, using an improved mean-field model including a Lee-Huang-Yang-type interaction, employing a quasi-two-dimensional (quasi-2D) trap in a way…

Quantum Gases · Physics 2023-09-21 Luis E. Young-S. , S. K. Adhikari

Exciton-polaritons are a coherent electron-hole-photon (e-h-p) system where condensation has been observed in semiconductor microcavities. In contrast to equilibrium Bose-Einstein condensation (BEC) for long lifetime systems, polariton…

We present a microcavity structure with a shifted photonic stop-band to enable efficient non-resonant injection of a polariton condensate with spectrally broad femtosecond pulses. The concept is demonstrated theoretically and confirmed…

Mesoscale and Nanoscale Physics · Physics 2016-05-17 C. Poellmann , U. Leierseder , E. Galopin , A. Lemaître , A. Amo , J. Bloch , R. Huber , J. -M. Ménard

Bosonic condensates of exciton polaritons (light-matter quasiparticles in a semiconductor) provide a solid-state platform for studies of non-equilibrium quantum systems with a spontaneous macroscopic coherence. These driven, dissipative…

Formation of nonequilibrium counterparts of supersolids, simultaneously characterized with spontaneous superfluid and crystalline order, was recently reported in incoherently pumped polariton condensates. We investigate collective…

Mesoscale and Nanoscale Physics · Physics 2026-05-05 A. Grudinina , J. Cao , A. Kavokin , N. Voronova , A. Nalitov

Polariton lattice condensates provide a platform for on chip quantum emulations. Interactions in extended polariton lattices are currently limited by the intrinsic photonic disorder of microcavities. Here, we fabricate a strain compensated…

We investigate the spin polarization of localized exciton-polariton condensates. We demonstrate the presence of an effective magnetic field leading to the formation of elliptically polarized condensates. We show that this synthetic field…

Mesoscale and Nanoscale Physics · Physics 2023-03-29 R. Mirek , M. Furman , M. Król , B. Seredyński , K. Łempicka-Mirek , K. Tyszka , W. Pacuski , M. Matuszewski , J. Szczytko , B. Piętka

Polariton lasing is demonstrated on the zero dimensional states of single GaAs/GaAlAs micropillar cavities. Under non resonant excitation, the measured polariton ground state occupancy is found to be as large as $10^{4}$. Changing the…

In this letter, we present a study of the condensation of exciton-polaritons in large etched pillar structures that exhibit shallow edge trapping. The $\approx$ 100 $\mu$m $\times$ 100 $\mu$m pillars were fabricated using photolithography…

Mesoscale and Nanoscale Physics · Physics 2017-06-07 D. M. Myers , J. K. Wuenschell , B. Ozden , J. Beaumariage , D. W. Snoke , L. Pfeiffer , K. West

We present a theoretical model that allows us to describe the dynamics of exciton polaritons in the strong-coupling regime in a monolayer WS2 based semiconductor microcavity. Numerical simulations using Boltzmann equations give an overall…

Mesoscale and Nanoscale Physics · Physics 2018-06-12 Mohamed Herira , Hela Boustanji , Sihem Jaziri

External driving of spinor degrees of freedom by magnetic or optical fields in quantum systems underpin many applications ranging from nuclear magnetic resonance to coherent state control in quantum computing. Although spinor polariton…

Exciton-polaritons resulting from the strong exciton-photon interaction stimulate the development of novel coherent light sources with low threshold, long range spatial, and temporal coherence to circumvent the ever increasing energy…

Mesoscale and Nanoscale Physics · Physics 2023-03-20 Xianxin Wu , Jiepeng Song , Shuai Zhang , Wenna Du , Yubin Wang , Zhuoya Zhu , Yin Liang , Qing Zhang , Qihua Xiong , Xinfeng Liu

We excite exciton-polariton condensates in half-moon shapes by the non-resonant optical excitation of GaAs-based cylindrical pillar microcavities. In this geometry, the {\pi}-jump of the phase of the condensate wave function coexists with a…

Mesoscale and Nanoscale Physics · Physics 2024-03-07 E. S. Sedov , V. A. Lukoshkin , V. K. Kalevich , Z. Hatzopoulos , P. G. Savvidis , A. V. Kavokin

We study the dynamics of formation and decay of a condensate of microcavity polaritons. We investigate the relationship between the number of particles, the emission's linewidth and its degree of linear polarization which serves as the…

Mesoscale and Nanoscale Physics · Physics 2009-09-09 E. del Valle , D. Sanvitto , A. Amo , F. P. Laussy , A. Andre , C. Tejedor , L. Vina