Spectral characterization of non-Gaussian quantum noise: Keldysh approach and application to photon shot noise

12 Aug 2020 Wang Yu-Xin Clerk A. A.

Having accurate tools to describe non-classical, non-Gaussian environmental fluctuations is crucial for designing effective quantum control protocols and understanding the physics of underlying quantum dissipative environments. We show how the Keldysh approach to quantum noise characterization can be usefully employed to characterize frequency-dependent noise, focusing on the quantum bispectrum (i.e., frequency-resolved third cumulant)... (read more)

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Categories


  • QUANTUM PHYSICS
  • MESOSCALE AND NANOSCALE PHYSICS