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Intracavity Dispersion Effects of a Regeneratively and Harmonically FM Mode-Locked Erbium-Doped Fiber Laser
Eiji YOSHIDA Kohichi TAMURA Masataka NAKAZAWA
IEICE TRANSACTIONS on Electronics
Publication Date: 1998/02/25
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Ultrashort Optical Pulse Technologies and their Applications)
fiber laser, erbium-doped fiber, optical pulse, mode-locking, dispersion,
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The dependence of the output characteristics of a regeneratively and harmonically FM mode-locked erbium-doped fiber laser on intracavity dispersion have been investigated by changing the group velocity dispersion (GVD) of the fiber. It is shown that a stable pulse train can be obtained only when the GVD of the cavity is anomalous in the presence of self-phase modulation (SPM). The shortest pulse obtained was 2. 0 ps at a repetition rate of 10 GHz.