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25 April 2024

» arxiv » 1601.7332

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Experimental realization of a polariton beam amplifier
Dominik Niemietz ; Johannes Schmutzler ; Przemyslaw Lewandowski ; Karol Winkler ; Marc Aßmann ; Stefan Schumacher ; Sebastian Brodbeck ; Martin Kamp ; Christian Schneider ; Sven Höfling ; Manfred Bayer ;
Date:	27 Jan 2016
Abstract:	In this report we demonstrate a novel concept for a planar cavity polariton beam amplifier using non-resonant excitation. In contrast to resonant excitation schemes, background carriers are injected which form excitons, providing both gain and a repulsive potential for a polariton condensate. Using an attractive potential environment induced by a locally elongated cavity layer, the repulsive potential of the injected background carriers is compensated and a significant amplification of polariton beams is achieved without beam distortion.
Source:	arXiv, 1601.7332
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