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Low-energy polaritons in semiconductor microcavities are important for many processes such as, e.g., polariton condensation. Organic microcavities frequently feature both strong exciton-photon coupling and substantial scattering in the…

Other Condensed Matter · Physics 2007-05-23 V. M. Agranovich , Yu. N. Gartstein

The transmission of a pump laser resonant with the lower polariton branch of a semiconductor microcavity is shown to be highly dependent on the degree of circular polarization of the pump. Spin dependent anisotropy of polariton-polariton…

We study the kinetics of polariton condensation accounting for the condensation process as well as the energy relaxation of condensed polaritons due to their scattering with phonons and excitons. By assuming a Boltzmann kinetic description…

Mesoscale and Nanoscale Physics · Physics 2011-01-13 M. Wouters , T. C. H. Liew , V. Savona

We report the signatures of the exciton correlation effects with finite memory time in frequency domain degenerate four-wave mixing (DFWM) in semiconductor microcavity. By utilizing the polarization selection rules, we discriminate…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Yu. P. Svirko , Makoto Kuwata-Gonokami

The excitation of multiple SPP waves as Floquet harmonics was demonstrated in structures fabricated as one-dimensional photonic crystals (PCs) on top of two-dimensional gold gratings. Each period of the PC comprised nine layers of silicon…

Second-order time correlation measurements with a temporal resolution better than 3 ps were performed on a CdTe microcavity where spontaneous Bose-Einstein condensation is observed. After the laser pulse, the nonresonantly excited thermal…

The dynamics of the expansion of the first order spatial coherence g(1) for a polariton system in a high-Q GaAs microcavity was investigated on the basis of Young's double slit experiment under 3 ps pulse excitation at the conditions of…

Mesoscale and Nanoscale Physics · Physics 2013-04-18 V. V. Belykh , N. N. Sibeldin , V. D. Kulakovskii , M. M. Glazov , M. A. Semina , C. Schneider , S. Höfling , M. Kamp , A. Forchel

The relaxation kinetics of cavity polaritons by scattering with thermal acoustic phonons is studied within the rate equation approximation. Numerical results show that a suppression of the bottleneck of lower polariton states occurs at high…

Condensed Matter · Physics 2009-11-07 T. D. Doan , D. B. Tran Thoai

Equilibrium Bose-Einstein condensation of exciton-polaritons, demonstrated with a long-lifetime microcavity [Phys. Rev. Lett. 118, 016602 (2017)], has proven that driven-dissipative systems can undergo thermodynamic phase transitions in the…

We show that planar semiconductor microcavities in the strong coupling regime can be used as sources of stimulated terahertz (THz) radiation. Emitted THz photons would have a frequency of the spliting of the cavity polariton modes. The…

Mesoscale and Nanoscale Physics · Physics 2010-11-23 K. V. Kavokin , M. A. Kaliteevski , R. A. Abram , A. V. Kavokin , S. Sharkova , I. A. Shelykh

We report stable orthogonally polarised domains in high-density polariton solitons propagating in a semiconductor microcavity wire. This effect arises from spin dependent polariton-polariton interactions and pump-induced imbalance of…

Organic semiconductors have the remarkable property that their optical excitation not only generates charge-neutral electron-hole pairs (excitons) but also charge-separated polaron pairs with high yield. The microscopic mechanisms…

The plasmon and phonon polaritons of two-dimensional (2d) and van-der-Waals materials have recently gained substantial interest. Unfortunately, they are notoriously hard to observe in linear response because of their strong confinement, low…

Mesoscale and Nanoscale Physics · Physics 2020-08-13 Christian Wolff , N. Asger Mortensen

Four-wave parametric amplification can be extended to the TW/cm$^2$ regime using femtosecond pump pulses to amplify nearly octave spanning pulses with gain $> 20$~mm$^{-1}$, which we call Kerr instability amplification. Cross-polarized wave…

We investigate the effect of disorder in the laser intensity on the dynamics of dark-state polaritons in an array of 20 cavities, each containing an ensemble of four-level atoms that is described by a Bose-Hubbard Hamiltonian. We examine…

Mesoscale and Nanoscale Physics · Physics 2020-05-15 Abuenameh Aiyejina , Roger Andrews

Over the past decade, exciton-polaritons in semiconductor microcavities have attracted a great deal of interest as a driven-dissipative quantum fluid. These systems offer themselves as a versatile platform for performing Hamiltonian…

We investigate induced Compton scattering of a circularly polarized Alfv\'en wave propagating in a magnetized electron-positron pair plasma using one-dimensional Particle-in-Cell (PIC) simulations. In this system, two distinct modes of…

High Energy Astrophysical Phenomena · Physics 2026-01-06 Shoma F. Kamijima , Rei Nishiura , Masanori Iwamoto , Kunihito Ioka

We devise a phase-coherent three-pulse protocol to probe the polariton dynamics in a trapped-ion quantum simulation. In contrast to conventional nonlinear signals, the presented scheme does not change the number of excitations in the…

Quantum Physics · Physics 2015-09-09 Manuel Gessner , Frank Schlawin , Andreas Buchleitner

Systems supporting exciton-polaritons represent solid-state optical platforms with a strong built-in optical nonlinearity provided by exciton-exciton interactions. In conventional semiconductors with hydrogen-like excitons the nonlinearity…

Mesoscale and Nanoscale Physics · Physics 2022-11-10 M. A. Masharin , V. A. Shahnazaryan , I. V. Iorsh , S. V. Makarov , A. K. Samusev , I. A. Shelykh

We report on the polarization dynamics of regenerative light pulses in a micropillar laser with integrated saturable absorber coupled to an external feedback mirror. The delayed self-coupled microlaser is operated in the excitable regime,…