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Optics Letters

Optics Letters


  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 12 — Jun. 15, 2006
  • pp: 1875–1877

Noise-induced linewidth in frequency combs

Mark J. Ablowitz, Boaz Ilan, and Steven T. Cundiff  »View Author Affiliations

Optics Letters, Vol. 31, Issue 12, pp. 1875-1877 (2006)

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Frequency combs generated by trains of pulses emitted from mode-locked lasers are analyzed when the center time and phase of the pulses undergo noise-induced random walk, which broadens the comb lines. Asymptotic analysis and computation reveal that, when the standard deviation of the center-time jitter of the nth pulse scales as n p 2 , where p is a jitter exponent, the linewidth of the kth comb line scales as k 2 p . The linear-dispersionless ( p = 1 ) and pure-soliton ( p = 3 ) dynamics in lasers are derived as special cases of this time-frequency duality relation. In addition, the linewidth induced by phase jitter decreases with power P out , as ( P out ) 1 p .

© 2006 Optical Society of America

OCIS Codes
(140.4050) Lasers and laser optics : Mode-locked lasers
(190.5530) Nonlinear optics : Pulse propagation and temporal solitons

ToC Category:
Nonlinear Optics

Original Manuscript: January 26, 2006
Revised Manuscript: March 16, 2006
Manuscript Accepted: April 3, 2006

Mark J. Ablowitz, Boaz Ilan, and Steven T. Cundiff, "Noise-induced linewidth in frequency combs," Opt. Lett. 31, 1875-1877 (2006)

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