Polariton pattern formation and photon statistics of the associated emission

Abstract

We report on the formation of a diverse family of transverse spatial polygon patterns in a microcavity polariton fluid under coherent driving by a blue-detuned pump. Patterns emerge spontaneously as a result of energy-degenerate polariton-polariton scattering from the pump state to interfering high order vortex and antivortex modes, breaking azimuthal symmetry. The interplay between a multimode parametric instability and intrinsic optical bistability leads to a sharp spike in the value of second order coherence $g^{(2)}(0)$ of the emitted light, which we attribute to the strongly superlinear kinetics of the underlying scattering processes driving the formation of patterns. We show numerically by means of a linear stability analysis how the growth of parametric instabilities in our system can lead to spontaneous symmetry breaking, predicting the formation and competition of different pattern states in good agreement with experimental observations.

Main text: 12 pages, 8 figures Supplementary material: 2 pages, 3 figures

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• Superluminal X-waves in a polariton quantum fluid
• Formation dynamics of exciton polariton vortices created by non-resonant annular pumping
• Transition from propagating polariton solitons to a standing wave condensate induced by interactions
• Non-equilibrium strong-coupling theory for a driven-dissipative ultracold Fermi gas in the BCS-BEC crossover region
• Spin-orbit coupled polariton condensates in a radially-periodic potential: Multiring vortices and rotating solitons
• Artificial Life in an Exciton-Polariton Lattice
• All-optical beam steering using the polariton lighthouse effect
• Critical dynamics and tree-like spatiotemporal patterns in exciton-polaritoncondensates
• Spontaneous patterns in coherently driven polariton microcavities
• Loop parametric scattering of cavity polaritons
• Optically controlled orbital angular momentum generation in a polaritonic quantum fluid
• Parity breakdown, vortices, and dark soliton states in a Bose gas of resonantly excited polaritons
• Supersolid light in a semiconductor microcavity