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Kvantovaya Elektronika, 1981, Volume 8, Number 10, Pages 2218–2222 (Mi qe8493)  

Brief Communications

Four-photon resonance parametric up-conversion of a weak infrared signal in a nonmonochromatic pump field

N. A. Iskanderov, V. A. Kudryashov, I. N. Matveev, N. E. Tuvaev
Abstract: Four-photon parametric up-conversion of a weak infrared signal under conditions of two-photon resonance of a constant nonmonochromatic pump field is analyzed allowing for population migration, transient response of the medium, Stark shift of the levels, and width of the pump frequency spectrum. It is found that under steady-state conversion conditions in a nonmonochromatic pump field, it is possible to achieve an average conversion efficiency differing only negligibly from the maximum conversion efficiency in a monochromatic pump field. An analysis is made of the influence of optically induced relaxation on the average conversion efficiency in the transient regime. Numerical estimates are made of the transition parameters for an alkali metal vapor in a frequency-degenerate pump field exciting a two-photon transition.
Received: 05.12.1980
English version:
Soviet Journal of Quantum Electronics, 1981, Volume 11, Issue 10, Pages 1352–1354
DOI: https://doi.org/10.1070/QE1981v011n10ABEH008493
Bibliographic databases:
Document Type: Article
UDC: 621.378.5
PACS: 42.65.Cq
Language: Russian


Citation: N. A. Iskanderov, V. A. Kudryashov, I. N. Matveev, N. E. Tuvaev, “Four-photon resonance parametric up-conversion of a weak infrared signal in a nonmonochromatic pump field”, Kvantovaya Elektronika, 8:10 (1981), 2218–2222 [Sov J Quantum Electron, 11:10 (1981), 1352–1354]
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