Direct measurement of the quantum state of photons in a cavity.

@article{Qin2018DirectMO,
  title={Direct measurement of the quantum state of photons in a cavity.},
  author={Lupei Qin and Z. Wang and C. Zhang and Xin-qi Li},
  journal={Optics express},
  year={2018},
  volume={26 6},
  pages={
          7034-7042
        }
}
We propose a scheme to measure the quantum state of photons in a cavity. The proposal is based on the concept of quantum weak values and applies equally well to both the solid-state circuit and atomic cavity quantum electrodynamics (QED) systems. The proposed scheme allows us to access directly the superposition components in Fock state basis, rather than the Wigner function as usual in phase space. Moreover, the separate access feature held in the direct scheme does not require a global… Expand
1 Citations
Universality of local weak interactions and its application for interferometric alignment
TLDR
The universality property of this modification in the case of local interactions of a spatially preselected and postselected particle has been found and allowed us to define an operational approach for the characterization of the presence of a quantum particle in a particular place: the way it modifies the effect of local interaction. Expand

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