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Spin selective filtering of polariton condensate flow

Gao, Tingge; Hatzopoulos, Z; Anton, C; Liew, T.C.H.; Martin, MD; Vina, L; Eldridge, PS; Savvidis, P.G

Description

Spin-selective spatial filtering of propagating polariton condensates, using a controllable spin-dependent gating barrier, in a one-dimensional semiconductor microcavity ridge waveguide is reported. A nonresonant laser beam provides the source of propagating polaritons, while a second circularly polarized weak beam imprints a spin dependent potential barrier, which gates the polariton flow and generates polariton spin currents. A complete spin-based control over the blocked and transmitted...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
URI: http://hdl.handle.net/1885/151999
Source: Applied Physics Letters
DOI: 10.1063/1.4926418
Access Rights: Open Access

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