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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 15 — Jul. 16, 2012
  • pp: 17001–17009

A comparison between in-field and in-laboratory 50 km ultralong Erbium-doped fiber lasers actively mode-locked

Lúcia A. M. Saito and E. A. Thoroh de Souza  »View Author Affiliations


Optics Express, Vol. 20, Issue 15, pp. 17001-17009 (2012)
http://dx.doi.org/10.1364/OE.20.017001


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Abstract

We present a comparison between an in-field and in-laboratory 50 km ultralong Erbium fiber lasers actively mode-locked with repetition rate varying from 1 to 10 GHz generating pulses from 35.2 to 68.7 ps. The pulse widths generated at higher frequencies are in agreement with Kuizenga-Siegman theory. However, for lower frequencies the pulses have higher intracavity peak power which allows the soliton effect to take place. Depending on the pump power level, the repetition rate and the cavity length both lasers can operate in active mode-locking or under the influence of the soliton regime that locks the pulse duration according to the dispersion and cavity length. Due to the soliton robustness, this condition eliminates most of the environmental influence in the in-field mode-locking regime and makes both lasers very similar.

© 2012 OSA

OCIS Codes
(060.5530) Fiber optics and optical communications : Pulse propagation and temporal solitons
(140.3500) Lasers and laser optics : Lasers, erbium
(140.3510) Lasers and laser optics : Lasers, fiber
(140.3560) Lasers and laser optics : Lasers, ring
(140.4050) Lasers and laser optics : Mode-locked lasers

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: May 15, 2012
Revised Manuscript: June 18, 2012
Manuscript Accepted: June 28, 2012
Published: July 11, 2012

Citation
Lúcia A. M. Saito and E. A. Thoroh de Souza, "A comparison between in-field and in-laboratory 50 km ultralong Erbium-doped fiber lasers actively mode-locked," Opt. Express 20, 17001-17009 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-15-17001


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