Report on 2208.14886v1
Abstract
As a function of the driving strength, a degenerate parametric oscillator exhibits an instability at which spontaneous oscillations occur.Close to threshold, both the nonlinearity as well as fluctuations are vital to the accurate description of the dynamics.We study the statistics of the radiation that is emitted by the degenerate parametric oscillator at threshold.The cumulants obey a universal power-law scaling as a function of the nonlinearity.The Fano factor shows a maximum close, but not coinciding, with the threshold.Moreover, we predict a certain ratio of the first three cumulants to be independent of the microscopic details of the system and connect the results to experimental platforms.
Authors 3
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Affiliation as printed
JARA Institute for Quantum Information , RWTH Aachen University , 52056 Aachen , Germany
JARA Institute for Quantum Information, RWTH Aachen University, 52056 Aachen, Germany
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Affiliation as printed
JARA Institute for Quantum Information , RWTH Aachen University , 52056 Aachen , Germany
JARA Institute for Quantum Information, RWTH Aachen University, 52056 Aachen, Germany
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Affiliation as printed
JARA Institute for Quantum Information , RWTH Aachen University , 52056 Aachen , Germany
JARA Institute for Quantum Information, RWTH Aachen University, 52056 Aachen, Germany
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