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dc.contributor.authorWinkler, K.
dc.contributor.authorGold, P.
dc.contributor.authorBradel, B.
dc.contributor.authorReitzenstein, S.
dc.contributor.authorKulakovskii, V.D.
dc.contributor.authorKamp, M.
dc.contributor.authorSchneider, C.
dc.contributor.authorHöfling, S.
dc.identifier.citationWinkler , K , Gold , P , Bradel , B , Reitzenstein , S , Kulakovskii , V D , Kamp , M , Schneider , C & Höfling , S 2015 , ' Photocurrent readout and electro-optical tuning of resonantly excited exciton polaritons in a trap ' , Physical Review. B, Condensed matter and materials physics , vol. 91 , no. 4 .
dc.identifier.otherPURE: 167438213
dc.identifier.otherPURE UUID: a6d3c776-be55-423c-b608-87b0d075ec2d
dc.identifier.otherScopus: 84921794791
dc.identifier.otherWOS: 000348328200010
dc.description.abstractWe discuss a technique to manipulate and read out strictly resonantly excited exciton polaritons confined in a three-dimensional trap. The polaritons are trapped via their photonic part in a locally elongated microcavity with a high quality factor (Q∼6000), giving rise to sharp zero-dimensional resonances. Manipulation of the polaritons is achieved by spectrally tuning the quantum well excitons via the quantum confined Stark effect up to 10 meV, while the signal of the resonantly excited polaritons is simultaneously read out via the photocurrent flowing through the device. The effects of polariton-polariton interactions and interactions with the environment are revealed in the zero detuning regime by excitation power dependent investigations. By increasing the polariton number in our trap via resonant optical injection, we observe a pronounced blueshift of the lower polariton eigenenergy towards the weakly coupled cavity resonance. Furthermore, the photocurrent exhibits pronounced nonlinearities when self-tuned into resonance via its excitation dependent spectral blueshift.
dc.relation.ispartofPhysical Review. B, Condensed matter and materials physicsen
dc.rights©2015 American Physical Society. Reproduced according to the terms and conditions of the APS transfer of copyright agreement. Originally published in Physical Review B - Condensed Matter and Materials Physics, 91(4), 2015,
dc.subjectQC Physicsen
dc.titlePhotocurrent readout and electro-optical tuning of resonantly excited exciton polaritons in a trapen
dc.typeJournal articleen
dc.description.versionPublisher PDFen
dc.contributor.institutionUniversity of St Andrews. School of Physics and Astronomyen
dc.contributor.institutionUniversity of St Andrews. Condensed Matter Physicsen
dc.description.statusPeer revieweden

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