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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry M. Van Driel
  • Vol. 25, Iss. 12 — Dec. 1, 2008
  • pp: 2140–2150

Applications of the optical fiber to the generation and measurement of low-phase-noise microwave signals

Kirill Volyanskiy, Johann Cussey, Hervé Tavernier, Patrice Salzenstein, Gérard Sauvage, Laurent Larger, and Enrico Rubiola  »View Author Affiliations


JOSA B, Vol. 25, Issue 12, pp. 2140-2150 (2008)
http://dx.doi.org/10.1364/JOSAB.25.002140


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Abstract

The optical fiber used as a microwave delay line exhibits high stability and low noise and makes accessible a long delay ( 100 μ s ) in a wide bandwidth ( 40 GHz , limited by the optronic components). Hence, it finds applications as the frequency reference in microwave oscillators and as the reference discriminator for the measurement of phase noise. The fiber is suitable to measure the oscillator stability with a sensitivity of parts in 10 12 . Enhanced sensitivity is obtained with two independent delay lines, after correlating and averaging. Short-term stability of parts in 10 12 is achieved inserting the delay line in an oscillator. The frequency can be set in steps multiple of the inverse delay, which is in the 10 100 kHz region. We add to the available references a considerable amount of engineering and practical knowledge, the understanding of 1 f noise, calibration, the analysis of the cross-spectrum technique to reduce the instrument background, the phase-noise model of the oscillator, and the experimental test of the oscillator model.

© 2008 Optical Society of America

OCIS Codes
(000.3110) General : Instruments, apparatus, and components common to the sciences
(120.3940) Instrumentation, measurement, and metrology : Metrology
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(350.4010) Other areas of optics : Microwaves
(060.5625) Fiber optics and optical communications : Radio frequency photonics

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: July 29, 2008
Revised Manuscript: September 23, 2008
Manuscript Accepted: September 30, 2008
Published: November 26, 2008

Citation
Kirill Volyanskiy, Johann Cussey, Hervé Tavernier, Patrice Salzenstein, Gérard Sauvage, Laurent Larger, and Enrico Rubiola, "Applications of the optical fiber to the generation and measurement of low-phase-noise microwave signals," J. Opt. Soc. Am. B 25, 2140-2150 (2008)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-25-12-2140

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