Abstract

We study theoretically and experimentally actively modelocked fiber lasers that are used in high repetition rate optical communication systems. Using an innovative numerical technique and a reduced model, we have found that the laser can operate in four different operating regimes when the laser intensity was changed; three of the regimes were experimentally observed in a laser with a sigma configuration. An excellent quantitative agreement between the theoretical and the experimental results was obtained. The use of dispersion management in the sigma laser was found to significantly improve the laser performance.

[IEEE ]

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J. Lightwave Technol. (5)

M. Horowitz, C. R. Menyuk and S. Keren, "Modeling the saturation induced by broadband pulses amplified in an erbium-doped fiber amplifier", J. Lightwave Technol., vol. 11, pp. 1235-1237, 1999.

D Marcuse, P. K. A Wai and C. R. Menyuk, "Application of the Manakov-PMD equation to studies of signal propagation in optical fibers with randomly varying birefringence", J. Lightwave Technol., vol. 15, pp. 1735-1746, 1997.

E. Desurvire, "Study of the complex atomic susceptibility of erbium-doped fiber amplifiers", J. Lightwave Technol., vol. 8, pp. 1517-1527, 1990.

V. S. Grigoryan, C. R. Menyuk and R.-M. Mu, "Calculation of timing jitter and amplitude jitter in dispersion-managed optical fiber communications using linearization", J. Lightwave Technol., vol. 17, pp. 1347-1356, 1999.

N. J. Smith, N. J. Doran, W. Forysiak and F. M. Knox, "Soliton transmission using periodic dispersion compensation", J. Lightwave Technol., vol. 10, pp. 1808-1822, 1997.

Opt. Lett. (4)

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