Resonant Raman amplification of ultrashort pulses in a V-type medium

V. V. Kozlov; P. G. Polynkin; M. O. Scully

doi:10.1103/PhysRevA.59.3060

Resonant Raman amplification of ultrashort pulses in a V-type medium

V. V. Kozlov, P. G. Polynkin, M. O. Scully

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

18 Scopus citations

Abstract

Propagation of a pair of ultrashort coherent pulses in a V-type medium is studied. Both pulses are supposed to be resonant with corresponding atomic transitions. It is shown that the resonant character of the atom-field interaction yields “pulse locking,” in which two pulses propagate with equal group velocities. Additionally, in the presence of Raman inversion, the system exhibits resonantly enhanced gain for the probe pulse. These two effects add together to decrease the pump laser threshold intensity by orders of magnitude in comparison with conventional (far-off-resonant) Raman laser schemes.

Original language	English (US)
Pages (from-to)	3060-3070
Number of pages	11
Journal	Physical Review A - Atomic, Molecular, and Optical Physics
Volume	59
Issue number	4
DOIs	https://doi.org/10.1103/PhysRevA.59.3060
State	Published - 1999
Externally published	Yes

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1103/PhysRevA.59.3060

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abstract = "Propagation of a pair of ultrashort coherent pulses in a V-type medium is studied. Both pulses are supposed to be resonant with corresponding atomic transitions. It is shown that the resonant character of the atom-field interaction yields “pulse locking,” in which two pulses propagate with equal group velocities. Additionally, in the presence of Raman inversion, the system exhibits resonantly enhanced gain for the probe pulse. These two effects add together to decrease the pump laser threshold intensity by orders of magnitude in comparison with conventional (far-off-resonant) Raman laser schemes.",

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AU - Scully, M. O.

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AB - Propagation of a pair of ultrashort coherent pulses in a V-type medium is studied. Both pulses are supposed to be resonant with corresponding atomic transitions. It is shown that the resonant character of the atom-field interaction yields “pulse locking,” in which two pulses propagate with equal group velocities. Additionally, in the presence of Raman inversion, the system exhibits resonantly enhanced gain for the probe pulse. These two effects add together to decrease the pump laser threshold intensity by orders of magnitude in comparison with conventional (far-off-resonant) Raman laser schemes.

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Resonant Raman amplification of ultrashort pulses in a V-type medium

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