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Self-Pulsation of a Nd3+-Doped Fluoride Fiber Laser Using Tm3+-Doped Fiber as a Saturable Absorber
Kiyotaka SASAGAWA Kazushi KUSAWAKE Keiichiro KAGAWA Jun OHTA Masahiro NUNOSHITA
IEICE TRANSACTIONS on Electronics
Publication Date: 2003/05/01
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Joint Special Issue on Recent Progress in Optoelectronics and Communications)
passive Q-switched laser, neodymium doped fluoride fiber, thulium doped fluoride fiber, saturable absorber,
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Self-pulsation of Nd3+-doped fluoride fiber laser is experimentally and theoretically demonstrated using a Tm3+-doped fluoride fiber pumped at 808 nm as a saturable absorber. Self-pulsation at finite pump power predicted by linear stability analysis is confirmed through experiments, achieving a pulse width and peak power of 4.5µs and 1.5mW when the Nd3+-doped fiber was pumped at 230mW.