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arXiv · 1504.01968

Spin Selective Filtering of Polariton Condensate Flow

T. Gao·C. Antón·T. C. H. Liew·M. D. Martín·Z. Hatzopoulos·L. Viña·P. S. Eldridge·P. G. Savvidis
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Abstract

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 polaritons is obtained by varying the gate polarization.

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T. Gao, C. Antón, T. C. H. Liew, M. D. Martín, Z. Hatzopoulos, L. Viña, P. S. Eldridge, P. G. Savvidis. 2015-04-08. Spin Selective Filtering of Polariton Condensate Flow. https://doi.org/10.1063/1.4926418

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