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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 11 — Jun. 3, 2013
  • pp: 13785–13793

Investigating the resonance spectrum of optical frequency combs in fiber-optic cavities

S. Avino, A. Giorgini, P. Malara, G. Gagliardi, and P. De Natale  »View Author Affiliations

Optics Express, Vol. 21, Issue 11, pp. 13785-13793 (2013)

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We report a detailed theoretical and experimental study of fiber-optic cavities under broadband excitation by mode-locked laser combs. We calculate the effects of fiber dispersion on the cavity transmission. For any integer ratio between the comb repetition rate and cavity free spectral range, the theoretical resonant output spectrum exhibits a narrow group of resonant teeth, surrounded by minor, unevenly spaced resonances. Also, the central resonance can be rapidly and precisely tuned over the entire comb span by only acting on its repetition rate. Experimental observations are provided by a single-mode fiber ring and a telecom-wavelength comb laser. The resulting spectral pattern agrees very well with our theoretical prediction, allowing a thorough characterization of the cavity dispersion and opening new perspectives for comb spectroscopy in dielectric resonators.

© 2013 OSA

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(120.2230) Instrumentation, measurement, and metrology : Fabry-Perot
(140.4050) Lasers and laser optics : Mode-locked lasers

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: January 16, 2013
Revised Manuscript: April 29, 2013
Manuscript Accepted: May 5, 2013
Published: May 31, 2013

S. Avino, A. Giorgini, P. Malara, G. Gagliardi, and P. De Natale, "Investigating the resonance spectrum of optical frequency combs in fiber-optic cavities," Opt. Express 21, 13785-13793 (2013)

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