Dynamics of spinor exciton-polariton condensates in double potential traps in a GaAs/AlAs microcavity under resonant picosecond excitation

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Аннотация

The temporal evolution of the polarized emission spectra of spinor exciton-polariton condensates in double tunnel-coupled potential traps in a high-Q GaAs/AlAs microcavity at 2 K under resonant laser pumping with picosecond pulses has been studied in the time range up to 1.5 ns. An estimate of the spin relaxation time of the condensate τS ∼ 10 ns is obtained. The influence of the symmetry of the trap potential on the energy spectrum of the polariton modes and on the polarization dynamics of the spinor condensate in the tunnel-coupled potential traps is discussed.

Авторлар туралы

A. Demenev

Osipyan Institute of Solid State Physics of the Russian Academy of Sciences

Email: demenev@issp.ac.ru
Chernogolovka, Russia

S. Tereshko

Osipyan Institute of Solid State Physics of the Russian Academy of Sciences

Chernogolovka, Russia

N. Gippius

Skolkovo Institute of Science and Technology

Moscow, Russia

V. Kulakovskii

Osipyan Institute of Solid State Physics of the Russian Academy of Sciences

Chernogolovka, Russia

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