Probing dynamical symmetry breaking using quantum-entangled photons

Hao Li, Andrei Piryatinski, Jonathan Jerke, Ajay Ram Srimath Kandada, Carlos Silva, Eric R. Bittner

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13 Scopus citations


We present an input/output analysis of photon-correlation experiments whereby a quantum mechanically entangled bi-photon state interacts with a material sample placed in one arm of a Hong-Ou-Mandel apparatus. We show that the output signal contains detailed information about subsequent entanglement with the microscopic quantum states in the sample. In particular, we apply the method to an ensemble of emitters interacting with a common photon mode within the open-system Dicke model. Our results indicate considerable dynamical information concerning spontaneous symmetry breaking can be revealed with such an experimental system.

Original languageEnglish
Article number015003
JournalQuantum Science and Technology
Issue number1
StatePublished - Jan 2018


  • Bose condensate
  • entangled photons
  • symmetry breaking


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