Research output: Contribution to journal › Article › peer-review
Double ring polariton condensates with polariton vortices. / Sedov, Evgeny ; Lukoshkin, Vladimir ; Kalevich, Vladimir ; Chestnov, Igor ; Hatzopoulos, Z.; Savvidis, P. G. ; Kavokin, Alexey .
In: Nanosystems: Physics, Chemistry, Mathematics, 2022, p. 608-614.Research output: Contribution to journal › Article › peer-review
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TY - JOUR
T1 - Double ring polariton condensates with polariton vortices
AU - Sedov, Evgeny
AU - Lukoshkin, Vladimir
AU - Kalevich, Vladimir
AU - Chestnov, Igor
AU - Hatzopoulos, Z.
AU - Savvidis, P. G.
AU - Kavokin, Alexey
PY - 2022
Y1 - 2022
N2 - We study formation of persistent currents of exciton polaritons in annular polariton condensates in a cylindrical micropillar cavity under the spatially localised nonresonant optical pumping. Since polariton condensates are strongly nonequilibrium systems, the trapping potential for polaritons, formed by the pillar edge and the reservoir of optically induced incoherent excitons, is not real in general case. Its imaginary part includes the spatially distributed gain from the pump and losses of polaritons in the condensate. We show that engineering the gain-loss balance in the micropillar plane gives one an access to the excited states of the polariton condensate. We demonstrate, both theoretically and experimentally, the formation of vortices in double concentric ring polariton condensates in the case of complex annular trap potential.
AB - We study formation of persistent currents of exciton polaritons in annular polariton condensates in a cylindrical micropillar cavity under the spatially localised nonresonant optical pumping. Since polariton condensates are strongly nonequilibrium systems, the trapping potential for polaritons, formed by the pillar edge and the reservoir of optically induced incoherent excitons, is not real in general case. Its imaginary part includes the spatially distributed gain from the pump and losses of polaritons in the condensate. We show that engineering the gain-loss balance in the micropillar plane gives one an access to the excited states of the polariton condensate. We demonstrate, both theoretically and experimentally, the formation of vortices in double concentric ring polariton condensates in the case of complex annular trap potential.
KW - polariton
KW - exciton-polariton condensate
KW - persisten current
KW - micropillar
KW - VORTEX
UR - https://arxiv.org/abs/2210.05300
UR - https://www.elibrary.ru/item.asp?id=50014590
UR - http://nanojournal.ifmo.ru/en/wp-content/uploads/2022/12/NPCM136P608-614.pdf
M3 - Article
SP - 608
EP - 614
JO - Nanosystems: Physics, Chemistry, Mathematics
JF - Nanosystems: Physics, Chemistry, Mathematics
SN - 2220-8054
ER -
ID: 100297268