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Many-Body Photon Blockade and Quantum Light Generation from Cavity Quantum Materials

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arxiv 2411.08964 v1 pith:4BETULZI submitted 2024-11-13 cond-mat.str-el cond-mat.mes-hallcond-mat.mtrl-sciquant-ph

Benjamin Kass , Spenser Talkington , Ajit Srivastava , Martin Claassen This is my paper
classification cond-mat.str-elcond-mat.mes-hallcond-mat.mtrl-sciquant-ph
keywords quantummaterialslightphotonscavityphotonblockadecavity-embedded
verification ladder T0 review T1 audit T2 compute T3 formal
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The strong coupling regime of photons and quantum materials inside optical cavities has emerged as a promising environment for manipulating states of matter with light. Here, in turn, we show that photons bear witness to cavity quantum-electrodynamical modifications of the material, leading to profoundly non-classical properties of light passing through the cavity. By generalizing quantum-optical input-output relations to correlated quantum materials, we study the second-order photon coherence g2(t) and demonstrate that antibunching of transmitted photons serves as direct evidence of light-induced changes to the cavity-embedded material. We show that materials near a quantum critical point can realize a collective many-body photon blockade, enabling the generation of single photons or Einstein-Podolsky-Rosen pairs via leveraging strong matter fluctuations. Our findings provide new routes for interrogating and harnessing cavity-embedded quantum materials as quantum light sources, as a resource for photon-based computation and quantum sensing.

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Cited by 10 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Polarization-Resolved Photon Statistics of Cavity Quantum Materials

    cond-mat.mes-hall 2026-06 unverdicted novelty 7.0 of 10

    Polarization-resolved g^(2) photon statistics in cavities link to Raman structure factors and encode magnetic point-group symmetries in Kitaev-Heisenberg spin models.

  2. Mott transition of photons: quantum Monte Carlo study of Gross-Neveu criticality in a cavity

    cond-mat.str-el 2026-06 unverdicted novelty 7.0 of 10

    Cavity photons undergo a Mott transition that mirrors the electronic Gross-Neveu criticality, with the electron-photon coupling irrelevant at the critical point.

  3. Photon correlation microscopy of quantum matter

    cond-mat.mes-hall 2026-05 unverdicted novelty 7.0 of 10

    Photon correlation microscopy applied to gate-confined 1D dipolar excitons shows a transition from photon bunching to antibunching that the authors interpret as many-body blockade arising from collective dipolar repulsion.

  4. Cavity-Induced Excitonic Insulation and Non-Fermi-Liquid Behavior in Dirac Materials

    cond-mat.str-el 2026-05 unverdicted novelty 7.0 of 10

    Cavity-mediated long-range interactions in Dirac materials induce an excitonic insulator below N_f = 16/π or a non-Fermi-liquid regime above it, with dynamic lifting of Landau level degeneracy under magnetic field.

  5. Ultrastrong Coupling Signatures in Photon Statistics from Terahertz Higgs-Polaritons

    cond-mat.str-el 2026-04 unverdicted novelty 7.0 of 10

    Two-photon coincidence statistics in terahertz light from a cavity-embedded 2H-NbSe2 superconductor provide a diagnostic for ultrastrong Higgs-polariton coupling that is missing in total photon counts.

  6. Cavity-induced coherent magnetization and polaritons in altermagnets

    cond-mat.str-el 2025-10 unverdicted novelty 7.0 of 10

    Cavity driving induces coherent magnetization and polariton signatures in d-wave altermagnets via selective sublattice coupling in a mean-field Lindblad model.

  7. Photon Correlation Spectroscopy as a Probe of Critical Fluctuations in Correlated Electron Systems

    cond-mat.str-el 2026-07 conditional novelty 6.0 of 10

    Photon bunching in light scattered from a bilayer MoSe2 moiré device peaks at the electron layer-polarization transition, showing photon correlations can read out critical density fluctuations.

  8. Cavity-Induced Excitonic Insulation and Non-Fermi-Liquid Behavior in Dirac Materials

    cond-mat.str-el 2026-05 unverdicted novelty 6.0 of 10

    Cavity-mediated long-range interactions in Dirac materials induce an excitonic insulating phase below N_f = 16/π or a non-Fermi-liquid state with vanishing quasiparticle residue above it.

  9. Poor man's Majorana bound states in quantum dot based Kitaev chain coupled to a photonic cavity

    cond-mat.mes-hall 2026-04 unverdicted novelty 6.0 of 10

    Cavity photons screen attractive or repulsive interactions in a quantum-dot Kitaev chain, allowing the system to reach the sweet spot for poor man's Majorana bound states.

  10. Topological markers for a one-dimensional fermionic chain coupled to a single-mode cavity

    cond-mat.mes-hall 2026-04 unverdicted novelty 5.0 of 10

    Cavity-mediated interactions in an effective SSH Hamiltonian produce consistent topological phase diagrams across three markers, confirming edge states via correlations.

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