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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 20 — Sep. 27, 2010
  • pp: 21477–21483

Long-distance remote comparison of ultrastable optical frequencies with 10−15 instability in fractions of a second

A. Pape, O. Terra, J. Friebe, M. Riedmann, T. Wübbena, E. M. Rasel, K. Predehl, T. Legero, B. Lipphardt, H. Schnatz, and G. Grosche  »View Author Affiliations


Optics Express, Vol. 18, Issue 20, pp. 21477-21483 (2010)
http://dx.doi.org/10.1364/OE.18.021477


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Abstract

We demonstrate a fully optical, long-distance remote comparison of independent ultrastable optical frequencies reaching a short term stability that is superior to any reported remote comparison of optical frequencies. We use two ultrastable lasers, which are separated by a geographical distance of more than 50 km, and compare them via a 73 km long phase-stabilized fiber in a commercial telecommunication network. The remote characterization spans more than one optical octave and reaches a fractional frequency instability between the independent ultrastable laser systems of 3 × 10−15 in 0.1 s. The achieved performance at 100 ms represents an improvement by one order of magnitude to any previously reported remote comparison of optical frequencies and enables future remote dissemination of the stability of 100 mHz linewidth lasers within seconds.

© 2010 Optical Society of America

OCIS Codes
(060.2360) Fiber optics and optical communications : Fiber optics links and subsystems
(120.3940) Instrumentation, measurement, and metrology : Metrology
(120.4800) Instrumentation, measurement, and metrology : Optical standards and testing
(140.3425) Lasers and laser optics : Laser stabilization

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: August 5, 2010
Manuscript Accepted: September 11, 2010
Published: September 24, 2010

Citation
A. Pape, O. Terra, J. Friebe, M. Riedmann, T. Wübbena, E. M. Rasel, K. Predehl, T. Legero, B. Lipphardt, H. Schnatz, and G. Grosche, "Long-distance remote comparison of ultrastable optical frequencies with 10-15 instability in fractions of a second," Opt. Express 18, 21477-21483 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-20-21477


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