First proposal for quantum state tomography of the CMB at 160 GHz using a Josephson parametric amplifier at 20 mK. Reconstructing the Wigner function and measuring photon bunching g(2)(0)=2 of primordial photons. An open research roadmap bridging cQED and observational cosmology. DOI: 10.5281/zenodo.20836974
jpa open-science cmb wigner-function quantum-optics cosmic-microwave-background quantum-state-tomography cqed squeezing bose-einstein quantum-cosmology fock-states josephson-parametric-amplifier photon-bunching hanbury-brown-twiss sub-sql dilution-refrigerator primordial-photons homodyne-detection 160ghz
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Updated
Jul 15, 2026