Rotation of exciton-polariton condensates with TE-TM splitting in a microcavity ring

We investigate exciton-polariton condensates with a rotating potential induced by an electric field in a semiconductor microcavity ring. In the absence of transverse-electric-transverse-magnetic (TE-TM) splitting, we find that there is a critical laser pump rate, above which the quantized phase slip...

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Bibliographic Details
Published in:New journal of physics 2017-09, Vol.19 (9), p.93002
Main Authors: Zhang, Chuanyi, Jin, Guojun
Format: Article
Language:English
Subjects:
42.50.-p
42.55.Sa
72.25.Rb
Angular velocity
Condensates
Electric fields
exciton polariton
Excitons
Hysteresis loops
Linear polarization
Physics
Polaritons
rotating condensates
Rotation
Splitting
TE-TM splitting
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Summary:We investigate exciton-polariton condensates with a rotating potential induced by an electric field in a semiconductor microcavity ring. In the absence of transverse-electric-transverse-magnetic (TE-TM) splitting, we find that there is a critical laser pump rate, above which the quantized phase slips appear with hysteresis, and there exist quantized average angular momenta at fixed angular velocities, regardless of the pump rate. When considering the TE-TM splitting, we find that there are a series of hysteresis loops with the same intervals which are modulated by the magnitude of the splitting for a linear polarization laser. Further, multistability occurs at large pump rate, and there arises a phase slip for only one spin with large absolute value of the polarization degree, owing to the competition of the TE-TM splitting and energy induced by rotation. These results can be verified experimentally with current technology, and are useful for future electro-optic devices.
ISSN:1367-2630
1367-2630
DOI:10.1088/1367-2630/aa82dd