Interplay between the effects of coherent radiation and localization of light is analysed. A system of two-level atoms is placed in a medium interacting with electromagnetic field. The matter-light interaction can result in the appearance of a band gap in the spectrum of polariton states. If an atom with a resonance frequency inside the gap is incorporated into such a medium, the atomic spontaneous emission is suppressed, which is termed the localization of light. However, a system of resonance atoms inside the gap can radiate due to their coherent interactions. The peculiarity of the coherent radiation by a system of atoms, under the localization of light for a single atom, is studied.Interplay between the effects of coherent radiation and localization of light is analysed. A system of two-level atoms is placed in a medium interacting with electromagnetic field. The matter-light interaction can result in the appearance of a band gap in the spectrum of polariton states. If an atom with a resonance frequency inside the gap is incorporated into such a medium, the atomic spontaneous emission is suppressed, which is termed the localization of light. However, a system of resonance atoms inside the gap can radiate due to their coherent interactions. The peculiarity of the coherent radiation by a system of atoms, under the localization of light for a single atom, is studied.

arXiv:quant-ph/0005113May 26, 20000 citations

The coherent interaction between matter and radiation

Matteo Bina

arXiv:1111.1143The European Physical Journal Special TopicsApr 1, 201221 citations

Coherence properties of the N -atom-radiation interaction and the Holstein-Primakoff transformation

Franco Persico, G. Vetri

We consider a system of $N$ two-level atoms initially in the ground state and interacting with a small [$〈n(t=0)〉\ensuremath{\ll}N$] coherent radiation field. The field is assumed to be monochromatic, and its wavelength is taken to be much larger than the dimensions of the region of the $N$ atoms. The statistical properties of both the atomic system and the radiation field are studied as functions of time. Using the Holstein-Primakoff transformation, it is shown that the initial coherence of the system tends to disappear after the energy of the system has been exchanged between atoms and field a number of times approximately given by $\frac{N}{〈n(t=0)〉}$ .We consider a system of $N$ two-level atoms initially in the ground state and interacting with a small [$〈n(t=0)〉\ensuremath{\ll}N$] coherent radiation field. The field is assumed to be monochromatic, and its wavelength is taken to be much larger than the dimensions of the region of the $N$ atoms. The statistical properties of both the atomic system and the radiation field are studied as functions of time. Using the Holstein-Primakoff transformation, it is shown that the initial coherence of the system tends to disappear after the energy of the system has been exchanged between atoms and field a number of times approximately given by $\frac{N}{〈n(t=0)〉}$.

Physical Review ANov 1, 197533 citations

Interaction of Radiation with Atoms

Daniel F. Walls, Gerard J Milburn

Graduate texts in physicsJan 1, 20250 citations

We consider a system of

N

two-level atoms initially in the ground state and interacting with a small [$〈n(t=0)〉\ensuremath{\ll}N$] coherent radiation field. The field is assumed to be monochromatic, and its wavelength is taken to be much larger than the dimensions of the region of the

N

atoms. The statistical properties of both the atomic system and the radiation field are studied as functions of time. Using the Holstein-Primakoff transformation, it is shown that the initial coherence of the system tends to disappear after the energy of the system has been exchanged between atoms and field a number of times approximately given by

\frac{N}{〈n(t=0)〉}