S S Hassan and O Frege 2002 J. Opt. B: Quantum Semiclass. Opt. 4 S218 doi:10.1088/1464-4266/4/3/378
S S Hassan1 and O Frege2
Show affiliationsDynamical behaviour of a single harmonic oscillator (HO) and of a single and two cooperative atoms in front of a phase-conjugated mirror is investigated without using the rotating-wave approximation. The mean photon number of the HO shows transient oscillation of frequency (2ω0) and O(γ/ω0), the ratio of the free-space decay rate to the oscillation frequency, and the fluorescent spectrum becomes asymmetric due to additional resonant and non-resonant dispersive terms. In the single-two-level-atom case, the mean atomic inversion and the fluorescent intensity show steady oscillation O(γ0/ω0), the ratio of the A-coefficient to the atomic transition frequency. The amplitude of this steady oscillation at frequency (2ω0) is larger in the case of two cooperative atoms.
03.65.Ge Solutions of wave equations: bound states
42.65.Hw Phase conjugation; photorefractive and Kerr effects
Issue 3 (June 2002)
Received 31 October 2001, in final form 2 January 2002
Published 27 March 2002
S S Hassan and O Frege 2002 J. Opt. B: Quantum Semiclass. Opt. 4 S218
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