State-independent quantum tomography of a single-photon state by photon-number-resolving measurements

Pfister, Olivier

State-independent quantum tomography of a single-photon state by photon-number-resolving measurements

Posted on 2019-10-09 - 15:25

The Wigner quasiprobability distribution of a narrowband single-photon state was reconstructed by quantum state tomography using photon-number-resolving measurements with transition-edge sensors (TES) at system efficiency 58(2)%. This method makes no assumptions on the nature of the measured state, save for the limitation on photon flux imposed by the TES. Negativity of the Wigner function was observed in the raw data without any inference or correction for decoherence.

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Nehra, Rajveer; Win, Aye; Eaton, Miller; Shahrokhshahi, Reihaneh; Sridhar, Niranjan; Gerrits, Thomas; et al. (2019). State-independent quantum tomography of a single-photon state by photon-number-resolving measurements. Optica Publishing Group. Collection. https://doi.org/10.6084/m9.figshare.c.4659047.v1

https://doi.org/10.6084/m9.figshare.c.4659047.v1

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