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Optics Letters

Optics Letters


  • Vol. 30, Iss. 17 — Sep. 1, 2005
  • pp: 2323–2325

Phase-locked widely tunable optical single-frequency generator based on a femtosecond comb

T. R. Schibli, K. Minoshima, F.-L. Hong, H. Inaba, Y. Bitou, A. Onae, and H. Matsumoto  »View Author Affiliations

Optics Letters, Vol. 30, Issue 17, pp. 2323-2325 (2005)

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We present an arbitrary optical single-frequency generator based on a femtosecond optical frequency comb. The functions of this device are comparable to those of a radio-frequency synthesizer. However, this device operates at hundreds of terahertz. The absolute frequency accuracy of this synthesizer is ∼1 kHz at a 282 THz carrier frequency. The stability is ∼2×10^−14 at 100 s, and the tuning speed exceeds 30 GHz/s. This source demonstrates the integration of a phase-locked optical comb into a versatile and easy-to-use system for the generation of tunable, absolute optical frequencies. By using downconversion, one could generate tunable terahertz frequencies that are phase locked to a microwave reference, such as a Cs atomic clock, and high-precision interferometry could benefit greatly from the stability and accuracy of this widely tunable source.

© 2005 Optical Society of America

OCIS Codes
(120.3930) Instrumentation, measurement, and metrology : Metrological instrumentation
(120.3940) Instrumentation, measurement, and metrology : Metrology
(120.4800) Instrumentation, measurement, and metrology : Optical standards and testing
(320.7090) Ultrafast optics : Ultrafast lasers

T. R. Schibli, K. Minoshima, F.-L. Hong, H. Inaba, Y. Bitou, A. Onae, and H. Matsumoto, "Phase-locked widely tunable optical single-frequency generator based on a femtosecond comb," Opt. Lett. 30, 2323-2325 (2005)

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