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15 papers · 2 filters
Atom-field correlations in the weak-excitation limit of absorptive optical bistability
Th. K. Mavrogordatos
We calculate the steady-state and first-order time varying atom-field correlation functions in the weak-excitation limit of absorptive optical bistability from a linearized theory…
Collective atomic correlations in absorptive optical bistability without adiabatic elimination: exemplifying nonclassicality from a linearized treatment of fluctuations
Th. K. Mavrogordatos
We determine the incoherent spectrum, squeezing properties and second-order correlation function of the collective atomic degrees of freedom in absorptive optical bistability. This…
Time-optimal quantum transformations with bounded bandwidth
Dan Allan, Niklas Hörnedal, Ole Andersson
In this paper, we derive sharp lower bounds, also known as quantum speed limits, for the time it takes to transform a quantum system into a state such that an observable assumes it…
Chromatic interferometry with small frequency differences
Luo-Yuan Qu, Lu-Chuan Liu, Jordan Cotler +9
By developing a `two-crystal' method for color erasure, we can broaden the scope of chromatic interferometry to include optical photons whose frequency difference falls outside of…
Second-order coherence of fluorescence in multi-photon blockade
Th. K. Mavrogordatos, C. Lledó
We calculate the second-order correlation function for the atomic fluorescence in the two-photon resonance operation of a driven dissipative Jaynes-Cummings oscillator. We employ a…
Effect of source statistics on utilizing photon entanglement in quantum key distribution
Radim Hošák, Ivo Straka, Ana Predojević +2
A workflow for evaluation of entanglement source quality is proposed. Based on quantum state density matrices obtained from theoretical models and experimental data, we make an est…