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All-optical tunable pulse frequency chirp via slow light

Source: Opt. Lett. 34, 3824 (2010); doi:10.1364/OL.34.003824

Published 2009-11-09

KEYWORDS and PACS
Keywords
PACS
  • 42.65.Re
    Ultrafast processes; optical pulse generation and pulse compression
  • 42.60.Fc
    Laser beam modulation, tuning, and mode locking
  • 42.65.Dr
    Stimulated Raman scattering; CARS
  • 42.81.Dp
    Optical propagation, scattering, and losses in fibers; solitons
  • YEAR: 2010
PUBLICATION DATA
ISSN:
1553-9601 (online)
Publisher:
AIP is a member of CrossRef OSA
Gil Fanjoux1 and Thibaut Sylvestre1
1Institut FEMTO-ST, Département d'Optique P. M. Duffieux, Université de Franche-Comté, CNRS UMR 6174, Besançon, France
We theoretically investigate slow light via stimulated Raman scattering, paying special attention to the picosecond regime where chromatic dispersion and cross-phase modulation must be considered. In addition to the control of the Raman pulse walk-off, we demonstrate that the cross-phase-modulation-induced frequency chirp can also be all-optically tuned via Raman slow light. We further demonstrate that this new implication is a consequence of the fact that the group velocity is significantly more affected than the phase velocity in slow-light media. ©2009 Optical Society of America

(As supplied by publisher.)

History: Received 17 July 2009; revised 9 September 2009; accepted 18 September 2009; published 2009-11-09
Permalink: http://dx.doi.org/10.1364/OL.34.003824

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