Three-dimensional Quantum Polarization Tomography of Macroscopic Bell States
Bhaskar Kanseri, Timur Iskhakov, Ivan Agafonov, Maria Chekhova, and, Gerd Leuchs
TL;DR
This paper introduces a 3D quantum polarization tomography method to analyze macroscopic Bell states, revealing polarization squeezing and providing detailed state reconstructions for advanced quantum optics research.
Contribution
It presents a novel three-dimensional tomography technique using inverse Radon transform for detailed polarization state analysis of macroscopic Bell states.
Findings
Demonstrated polarization squeezing in macroscopic Bell states
Reconstructed 3D polarization quasiprobability distributions
Compared quantum states with coherent states of similar photon number
Abstract
The polarization properties of macroscopic Bell states are characterized using three-dimensional quantum polarization tomography. This method utilizes three-dimensional inverse Radon transform to reconstruct the polarization quasiprobability distribution function of a state from the probability distributions measured for various Stokes observables. The reconstructed 3D distributions obtained for the macroscopic Bell states are compared with those obtained for a coherent state with the same mean photon number. The results demonstrate squeezing in one or more Stokes observables.
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