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Optics Letters

Optics Letters


  • 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)

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We extend a recent suggestion for the generation of subfemtosecond pulses by molecular modulation [Phys. Rev. Lett. 81, 2894 (1998)] to the rotational spectrum of molecular hydrogen (H2) . When a rotational transition |a〉 → |b〉 is strongly driven (|ρab |=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 H2) 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

A. V. Sokolov, D. D. Yavuz, and S. E. Harris, "Subfemtosecond pulse generation by rotational molecular modulation," Opt. Lett. 24, 557-559 (1999)

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