Intracavity Dispersion Effects of a Regeneratively and Harmonically FM Mode-Locked Erbium-Doped Fiber Laser

Eiji YOSHIDA
Kohichi TAMURA
Masataka NAKAZAWA

Publication
IEICE TRANSACTIONS on Electronics   Vol.E81-C    No.2    pp.189-194
Publication Date: 1998/02/25
Online ISSN: 
DOI: 
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Ultrashort Optical Pulse Technologies and their Applications)
Category: 
Keyword: 
fiber laser,  erbium-doped fiber,  optical pulse,  mode-locking,  dispersion,  

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Summary: 
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.