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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 24, Iss. 8 — Apr. 15, 1999
  • pp: 557–559

Subfemtosecond pulse generation by rotational molecular modulation

A. V. Sokolov, D. D. Yavuz, and S. E. Harris  »View Author Affiliations


Optics Letters, Vol. 24, Issue 8, pp. 557-559 (1999)
http://dx.doi.org/10.1364/OL.24.000557


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Abstract

We extend a recent suggestion for the generation of subfemtosecond pulses by molecular modulation [Phys. Rev. Lett. <b>81,</b> 2894 (1998)] to the rotational spectrum of molecular hydrogen (H<sub>2</sub>) . When a rotational transition |a〉 → |b〉 is strongly driven (|ρ<sub>ab</sub> |=0.5) the generation and phase-slip lengths are of the same order and the Raman spectrum has approximately Bessel function sideband amplitudes. Numerical simulation predicts that this spectrum (generated in a 14-cm-long cell at 1-atm pressure of H<sub>2</sub>) will compress into a train of pulses with 94-fs pulse separation and a pulse length of 0.5 fs.

© 1999 Optical Society of America

OCIS Codes
(030.1640) Coherence and statistical optics : Coherence
(190.3100) Nonlinear optics : Instabilities and chaos
(320.0320) Ultrafast optics : Ultrafast optics
(320.5520) Ultrafast optics : Pulse compression

Citation
A. V. Sokolov, D. D. Yavuz, and S. E. Harris, "Subfemtosecond pulse generation by rotational molecular modulation," Opt. Lett. 24, 557-559 (1999)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-24-8-557

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