Title
Coherent oscillations in an exciton-polariton Josephson junction
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
New York, N.Y. ,
Subject
Physics
Source (journal)
Physical review letters. - New York, N.Y.
Volume/pages
105(2010) :12 , 4 p.
ISSN
0031-9007
Article Reference
120403
ISI
000281870100001
Carrier
E-only publicatie
Target language
English (eng)
Full text (Publishers DOI)
Abstract
We report on the observation of spontaneous coherent oscillations in a microcavity polariton bosonic Josephson junction. Condensation of exciton polaritons here takes place under incoherent excitation in a double potential well naturally formed in the disorder. Coherent oscillations set on at an excitation power well above the condensation threshold. The time resolved population and phase dynamics reveal the analogy with the ac Josephson effect. A theoretical two-mode model describes the observed effects, explaining how the different realizations of the pulsed experiment can be in phase.
Full text (open access)
https://repository.uantwerpen.be/docman/irua/e6f9f8/7f1d5945.pdf
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