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Journal Article

Incoherent excitation of few-level multiatom ensembles


Mohan,  Baranidharan
Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society;


Macovei,  Mihai
Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society;
Institute of Applied Physics, Academiei str. 5, MD-2028 Chişinău, Moldova;

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Mohan, B., & Macovei, M. (2013). Incoherent excitation of few-level multiatom ensembles. Journal of Physics B: Atomic, Molecular and Optical Physics, 46(3): 035503, pp. 1-6. doi:10.1088/0953-4075/46/3/035503.

Cite as: https://hdl.handle.net/11858/00-001M-0000-000E-7EFD-C
We investigate the collective interaction of a multi-atom three-level ladder system with an environmental incoherent reservoir. The exact solution of the master equation that describes such a system of atoms emitting distinguishable or indistinguishable photons on interaction with an incoherent reservoir is obtained. The quantum decay interference effects have no influences over steady-state distribution of population among the energy levels. However, the photon statistics of the collectively emitted photons are different in this case. In particular, the normalized second-order photon correlation function shows a minimum in its value for the photons generated on lower atomic transition in a system with orthogonal dipoles. The minimum is due to the steady-state amplified spontaneous emission by the incoherent applied fields.