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Journal of the Optical Society of Korea

Journal of the Optical Society of Korea


  • Vol. 11, Iss. 3 — Sep. 25, 2007
  • pp: 124–129

Comparison of Fiber-Based Frequency Comb and Ti:Sapphire-Based Frequency Comb

Won-Kyu Lee, Eok-Bong Kim, Dae-Su Yee, Ho-Suhng Suh, Chang-Yong Park, Dai-Hyuk Yu, and Sang-Eon Park  »View Author Affiliations

Journal of the Optical Society of Korea, Vol. 11, Issue 3, pp. 124-129 (2007)

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For the first time we compare two kinds of optical frequency combs, one of which is based on a Ti:sapphire femtosecond laser and the other is based on a mode-locked erbium-doped fiber laser. The comparison is performed by measuring an optical frequency standard with these two combs simultaneously. The two frequency measurements agree within 1.8 Hz (<TEX>$3.8{\times}10^{-15}$</TEX>) with the uncertainty of 17.2 Hz (<TEX>$3.6{\times}10^{-14}$</TEX>), from which it can be concluded that the Ti:sapphire-based frequency comb and the fiber-based frequency comb have no systematic discrepancy at this level of uncertainty.

© 2007 Optical Society of Korea

OCIS Codes
(120.3940) Instrumentation, measurement, and metrology : Metrology
(120.4800) Instrumentation, measurement, and metrology : Optical standards and testing
(140.4050) Lasers and laser optics : Mode-locked lasers
(320.7090) Ultrafast optics : Ultrafast lasers

Original Manuscript: August 27, 2007
Revised Manuscript: September 5, 2007
Published: September 25, 2007

Won-Kyu Lee, Eok-Bong Kim, Dae-Su Yee, Ho-Suhng Suh, Chang-Yong Park, Dai-Hyuk Yu, and Sang-Eon Park, "Comparison of Fiber-Based Frequency Comb and Ti:Sapphire-Based Frequency Comb," J. Opt. Soc. Korea 11, 124-129 (2007)

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