Quantum jump statistics with a shifted jump operator in a chiral waveguide

Francesco Ciccarello, Dario Cilluffo, Gioacchino Massimo Palma, Salvatore Lorenzo, Francesco Ciccarello, Massimo Palma, Massimo Palma

Risultato della ricerca: Articlepeer review

1 Citazioni (Scopus)

Abstract

Resonance fluorescence, consisting of light emission from an atom driven by a classical oscillating field, is well-known to yield a sub-Poissonian photon counting statistics. This occurs when only emitted light is detected, which corresponds to a master equation (ME) unraveling in terms of the canonical jump operator describing spontaneous decay. Formally, an alternative ME unraveling is possible in terms of a shifted jump operator. We show that this shift can result in sub-Poissonian, Poissonian or super-Poissonian quantum jump statistics. This is shown in terms of the Mandel Q parameter in the limit of long counting times, which is computed through large deviation theory. We present a waveguide-QED setup, comprising a chiral waveguide coupled to a driven atom, where photon counting is described by the considered class of shifted jump operators.
Lingua originaleEnglish
pagine (da-a)104004-
Numero di pagine11
RivistaJournal of Statistical Mechanics: Theory and Experiment
Volume2019
Stato di pubblicazionePublished - 2019

All Science Journal Classification (ASJC) codes

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  • ???subjectarea.asjc.2600.2613???
  • ???subjectarea.asjc.1800.1804???

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