Quantum polarization tomography with all-dielectric metasurfaces
Date
2017
Authors
Wang, Kai
Kruk, Sergey
Xu, Lei
Parry, Matthew
Chung, Hungpin
Solntsev, Alexander
Titchener, James
Kravchenko, Ivan I.
Chen, Y. H.
Kivshar, Yuri
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IEEE
Abstract
Measurements of quantum states of photons are conventionally performed with series of optical elements in
bulk setups [1] or optical chips incorporating multiple tunable beam splitters. Here, we suggest and develop experimentally, for the first time to our knowledge, a new concept of quantum-polarization measurements with a single
all-dielectric resonant metasurface [2]. The operating principle is presented in Fig. 1(a): A metasurface spatially
splits different components of photon polarization states, which then enables full reconstruction of the photon state
based on the photon correlations with simple polarization-insensitive single-photon detectors or EMCCD cameras.
The subwavelength thin structure provides an ultimate miniaturization, and can facilitate quantum tomography by
spatially-resolved imaging without a need for reconfiguration. Such parallel-detection approach promises not only
better robustness and scalability, but also the possibility to study the dynamics of quantum states in real-time.
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Proceedings of the European Quantum Electronics Conference, EQEC 2017
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Conference paper
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Open Access
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