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A polariton electric field sensor

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arxiv 2004.04791 v1 pith:7P7ALGZS submitted 2020-04-09 cond-mat.mes-hall physics.optics

A polariton electric field sensor

classification cond-mat.mes-hall physics.optics
keywords electricfieldsensorpolaritonexcitationpolaritonssensitivityachieve
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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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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