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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 2 — Jan. 19, 2009
  • pp: 558–568

Testing ultrafast mode-locking at microhertz relative optical linewidth

Michael J. Martin, Seth M. Foreman, T. R. Schibli, and Jun Ye  »View Author Affiliations


Optics Express, Vol. 17, Issue 2, pp. 558-568 (2009)
http://dx.doi.org/10.1364/OE.17.000558


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Abstract

We report new limits on the phase coherence of the ultrafast mode-locking process in an octave-spanning Ti:sapphire comb. We find that the mode-locking mechanism correlates optical phase across a full optical octave with less than 2.5 μHz relative linewidth. This result is at least two orders of magnitude below recent predictions for quantum-limited individual comb-mode linewidths, verifying that the mode-locking mechanism strongly correlates quantum noise across the comb spectrum.

© 2009 Optical Society of America

OCIS Codes
(120.3940) Instrumentation, measurement, and metrology : Metrology
(140.4050) Lasers and laser optics : Mode-locked lasers
(320.7090) Ultrafast optics : Ultrafast lasers

ToC Category:
Ultrafast Optics

History
Original Manuscript: October 22, 2008
Revised Manuscript: December 4, 2008
Manuscript Accepted: December 12, 2008
Published: January 7, 2009

Citation
Michael J. Martin, Seth M. Foreman, T. R. Schibli, and Jun Ye, "Testing ultrafast mode-locking at microhertz relative optical linewidth," Opt. Express 17, 558-568 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-2-558


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