Dynamics of a polariton condensate transistor switch

Dynamics of a polariton condensate transistor switch

We present a time-resolved study of the logical operation of a polariton condensate transistor switch. Creating a polariton condensate (source) in a GaAs ridge-shaped microcavity with a non-resonant pulsed laser beam, the polariton propagation towards a collector, at the ridge edge, is controlled by...

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Bibliographic Details
Main Authors: Liew, Timothy Chi Hin, Eldridge, P. S., Antón, C., Tosi, G., Martín, M. D., Gao, T., Hatzopoulos, Z., Savvidis, P. G., Viña, L.
Other Authors: School of Physical and Mathematical Sciences
Format: Article
Language:English
Published: 2014
Subjects:
DRNTU::Science::Physics
Online Access:https://hdl.handle.net/10356/100620
http://hdl.handle.net/10220/18579
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Institution: Nanyang Technological University
Language: English
Description
Summary:We present a time-resolved study of the logical operation of a polariton condensate transistor switch. Creating a polariton condensate (source) in a GaAs ridge-shaped microcavity with a non-resonant pulsed laser beam, the polariton propagation towards a collector, at the ridge edge, is controlled by a second weak pulse (gate), located between the source and the collector. The experimental results are interpreted in the light of simulations based on the generalized Gross-Pitaevskii equation, including incoherent pumping, decay, and energy relaxation within the condensate.

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