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arxiv: 1210.1187 · v2 · pith:ECXN5WDPnew · submitted 2012-10-03 · ❄️ cond-mat.quant-gas

Exploiting quantum coherence of polaritons for ultra sensitive detectors

Guido Franchetti , Natalia G. Berloff , Jeremy J. Baumberg This is my paper
classification ❄️ cond-mat.quant-gas
keywords sensitivecreateformationsmallusedannulusappliedbesides
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Besides being superfluids, microcavity exciton-polariton condensates are capable of spontaneous pattern formation due to their forced-dissipative dynamics. Their macroscopic and easily detectable response to small perturbations can be exploited to create sensitive devices. We show how controlled pumping in the presence of a peak-dip shaped potential can be used to detect small externally applied velocities which lead to the formation of traveling holes in one dimension and vortex pairs in two dimensions. Combining an annulus geometry with a weak link, the set up that we describe can be used to create a sensitive polariton gyroscope.

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  1. Pulse, polarization and topology shaping of polariton fuids

    cond-mat.other 2026-05 unverdicted novelty 7.0

    Polariton fluids enable coherent ultrafast control of polarization states and creation of oscillating topological vortices via two-pulse excitation and Rabi oscillations between upper and lower branches.