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arXiv · 2004.04791

A polariton electric field sensor

Emre Togan·Yufan Li·Stefan Faelt·Werner Wegscheider·Atac Imamoglu
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Abstract

We experimentally demonstrate a dipolar polariton based electric field sensor. We tune and optimize the sensitivity of the sensor by varying the dipole moment of polaritons. We show polariton interactions play an important role in determining the conditions for optimal electric field sensing, and achieve a sensitivity of 0.12 V-m$^{-1}$-Hz$^{-0.5}$. Finally we apply the sensor to illustrate that excitation of polaritons modify the electric field in a spatial region much larger than the optical excitation spot.

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Emre Togan, Yufan Li, Stefan Faelt, Werner Wegscheider, Atac Imamoglu. 2020-04-09. A polariton electric field sensor. https://doi.org/10.1103/physrevlett.125.067402

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