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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 29, Iss. 23 — Dec. 1, 2004
  • pp: 2809–2811

Generation of a sub-20-fs single optical pulse by four-wave Raman mixing using two Raman cells filled with molecular hydrogen

Yuichiro Kida, Masahiro Matsuse, Shin-ichi Zaitsu, and Totaro Imasaka  »View Author Affiliations


Optics Letters, Vol. 29, Issue 23, pp. 2809-2811 (2004)
http://dx.doi.org/10.1364/OL.29.002809


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Abstract

To attempt to expand the spectral domain for pulse shortening, we generated several emission lines by stimulated Raman scattering and subsequent four-wave Raman mixing. The efficiency of generation of the Raman emission was improved by passing the beam through two Raman cells that were connected in series. The group-velocity dispersion induced by a Raman cell window and hydrogen was compensated for by means of a pair of chirped mirrors for pulse compression. By a phase lock of the emission lines in the process of four-wave Raman mixing, the pulse width was reduced from 114 to 17 fs in the second Raman cell.

© 2004 Optical Society of America

OCIS Codes
(140.3550) Lasers and laser optics : Lasers, Raman
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(290.5910) Scattering : Scattering, stimulated Raman
(320.2250) Ultrafast optics : Femtosecond phenomena

Citation
Yuichiro Kida, Masahiro Matsuse, Shin-ichi Zaitsu, and Totaro Imasaka, "Generation of a sub-20-fs single optical pulse by four-wave Raman mixing using two Raman cells filled with molecular hydrogen," Opt. Lett. 29, 2809-2811 (2004)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-29-23-2809

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