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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 9 — Mar. 20, 2010
  • pp: 1586–1592

Quantitative measurement of the phase locking of highly repetitive ultrashort optical pulses generated by a multifrequency continuous-wave Raman laser

Shin-ichi Zaitsu and Totaro Imasaka  »View Author Affiliations

Applied Optics, Vol. 49, Issue 9, pp. 1586-1592 (2010)

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We proposed and demonstrated a novel method for the evaluation of optical pulse trains generated by a multifrequency continuous-wave Raman laser operating at a mode separation of 17.6 THz . This approach is based on the detection of a nonlinear signal arising from the intensity modulation of a pulse train, which should provide a useful means for measuring the deviation from phase locking of multifrequency lasers. Our results suggest that an optimization of intracavity dispersion allows the generation of phase-locked multifrequency emissions, which leads to optical pulse trains at a repetition rate in excess of 10 THz .

© 2010 Optical Society of America

OCIS Codes
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(140.3550) Lasers and laser optics : Lasers, Raman
(140.4050) Lasers and laser optics : Mode-locked lasers

ToC Category:
Lasers and Laser Optics

Original Manuscript: October 19, 2009
Manuscript Accepted: January 26, 2010
Published: March 11, 2010

Shin-ichi Zaitsu and Totaro Imasaka, "Quantitative measurement of the phase locking of highly repetitive ultrashort optical pulses generated by a multifrequency continuous-wave Raman laser," Appl. Opt. 49, 1586-1592 (2010)

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