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Optics Letters

Optics Letters


  • Vol. 30, Iss. 15 — Aug. 1, 2005
  • pp: 2028–2030

Phase-locked ultrashort pulse trains at separate and independently tunable wavelengths

Peter Baum, Eberhard Riedle, Marco Greve, and Harald R. Telle  »View Author Affiliations

Optics Letters, Vol. 30, Issue 15, pp. 2028-2030 (2005)

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The generation and characterization of femtosecond pulses at three independently tunable visible wavelengths is reported. Selected spectral portions of a common continuum generated in sapphire are amplified in noncollinear optical parametric amplifiers. The phase relation of the pulse trains is analyzed with a nonlinear interferometer based on coherent anti-Stokes Raman scattering and is found to be locked to better than 250 mrad rms. Small spectral shifts of the pulses lead to interference behavior that is consistent with 1 kHz frequency combs.

© 2005 Optical Society of America

OCIS Codes
(030.1670) Coherence and statistical optics : Coherent optical effects
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(260.3160) Physical optics : Interference

Peter Baum, Eberhard Riedle, Marco Greve, and Harald R. Telle, "Phase-locked ultrashort pulse trains at separate and independently tunable wavelengths," Opt. Lett. 30, 2028-2030 (2005)

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