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Raman self-conversion of femtosecond laser pulses and generation of single-cycle radiation

A. Nazarkin and G. Korn
Phys. Rev. A 58, R61(R) – Published 1 July 1998
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Abstract

Stimulated Raman scattering of light in the regime of laser pulse durations shorter than the period of Raman-active vibrational mode 2π/ΩR is investigated. Using full equations for the field and the medium polarization, we obtain an insight into the stage of frequency conversion where the slowly varying amplitude approximation is inapplicable. It is found that the laser pulse experiences a continuous downshift of its spectrum, resulting in the formation of an intense single-cycle electromagnetic pulse. The role of the competing processes is analyzed.

  • Received 26 March 1998

DOI:https://doi.org/10.1103/PhysRevA.58.R61

©1998 American Physical Society

Authors & Affiliations

A. Nazarkin and G. Korn

  • Max-Born-Instut für Nichtlineare Optik und Kurzzeitspektroskopie, Rudower Chaussee 6, D-12489 Berlin, Germany

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Vol. 58, Iss. 1 — July 1998

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