Correlations of photoemissions in a multiatomic ensemble driven by a cat-state field

Standard

Correlations of photoemissions in a multiatomic ensemble driven by a cat-state field. / Tomilin, V. A.; Il'Ichov, L. V.

In: Physical Review A, Vol. 96, No. 6, 063805, 05.12.2017.

Research output: Contribution to journal › Article › peer-review

BibTeX

@article{cec902f5059d4b3ca71680c9e7ae9691,

title = "Correlations of photoemissions in a multiatomic ensemble driven by a cat-state field",

abstract = "A system of two-level noninteracting atoms driven by superposition of two Glauber coherent photonic states (a cat state) is studied. The field state is continuously restored by a source explicitly incorporated into the model. Due to its nature, the cat state changes phase by π upon stimulated excitation of any atom, a peculiar kind of coherent quantum feedback. That results in correlations between photonic and atomic subsystems. In the limit of a strong field, the ansatz for the system's density matrix is proposed and an approximate analytical solution to the master equation is obtained in the case of a large number of atoms and slow spontaneous emission. Based on this solution, the steady-state second-order correlation function of atomic photoemissions is evaluated and investigated. The results demonstrate a remarkable difference from the case of the classical field (i.e., the field in a Glauber coherent state).",

keywords = "RESONANCE FLUORESCENCE, 2-LEVEL ATOM, FEEDBACK-CONTROL, SUPERPOSITIONS, GENERATION, LOOP",

author = "Tomilin, {V. A.} and Il'Ichov, {L. V.}",

year = "2017",

month = dec,

day = "5",

doi = "10.1103/PhysRevA.96.063805",

language = "English",

volume = "96",

journal = "Physical Review A",

issn = "2469-9926",

publisher = "American Physical Society",

number = "6",

}

RIS

TY - JOUR

T1 - Correlations of photoemissions in a multiatomic ensemble driven by a cat-state field

AU - Tomilin, V. A.

AU - Il'Ichov, L. V.

PY - 2017/12/5

Y1 - 2017/12/5

N2 - A system of two-level noninteracting atoms driven by superposition of two Glauber coherent photonic states (a cat state) is studied. The field state is continuously restored by a source explicitly incorporated into the model. Due to its nature, the cat state changes phase by π upon stimulated excitation of any atom, a peculiar kind of coherent quantum feedback. That results in correlations between photonic and atomic subsystems. In the limit of a strong field, the ansatz for the system's density matrix is proposed and an approximate analytical solution to the master equation is obtained in the case of a large number of atoms and slow spontaneous emission. Based on this solution, the steady-state second-order correlation function of atomic photoemissions is evaluated and investigated. The results demonstrate a remarkable difference from the case of the classical field (i.e., the field in a Glauber coherent state).

AB - A system of two-level noninteracting atoms driven by superposition of two Glauber coherent photonic states (a cat state) is studied. The field state is continuously restored by a source explicitly incorporated into the model. Due to its nature, the cat state changes phase by π upon stimulated excitation of any atom, a peculiar kind of coherent quantum feedback. That results in correlations between photonic and atomic subsystems. In the limit of a strong field, the ansatz for the system's density matrix is proposed and an approximate analytical solution to the master equation is obtained in the case of a large number of atoms and slow spontaneous emission. Based on this solution, the steady-state second-order correlation function of atomic photoemissions is evaluated and investigated. The results demonstrate a remarkable difference from the case of the classical field (i.e., the field in a Glauber coherent state).

KW - RESONANCE FLUORESCENCE

KW - 2-LEVEL ATOM

KW - FEEDBACK-CONTROL

KW - SUPERPOSITIONS

KW - GENERATION

KW - LOOP

UR - http://www.scopus.com/inward/record.url?scp=85038210566&partnerID=8YFLogxK

U2 - 10.1103/PhysRevA.96.063805

DO - 10.1103/PhysRevA.96.063805

M3 - Article

AN - SCOPUS:85038210566

VL - 96

JO - Physical Review A

JF - Physical Review A

SN - 2469-9926

IS - 6

M1 - 063805

ER -

ID: 9407368