Abstract
we report the observation of operation states near zero dispersion in the erbium-doped fiber laser with the semiconductor saturable absorber mirror (SESAM). The Q-switching, Q-switching mode-locking (QML), continuous wave mode-locking (CML), harmonic mode-locking (HML), double-pulse and multiple-pulse operation states can be manipulated by adjusting the polarization controller with semiconductor saturable absorber mirror. The output 3dB spectral bandwidth and pulse width of operation states are also measured and analyzed. It is shown that continuous wave mode-locked state is stable and without spectral sidebands. Therefore, the proposed scheme will be useful and feasible in the optical telecommunication system.
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