Self-induced laser line sweeping and self-pulsing in rare-earth doped fiber lasers

P. Navratil; P. Vojtíšek; P. Peterka; P. Honzátko; V. Kubeček

doi:10.1117/12.2010401

18 December 2012 Self-induced laser line sweeping and self-pulsing in rare-earth doped fiber lasers

P. Navratil, P. Vojtíšek, P. Peterka, P. Honzátko, V. Kubeček

Proceedings Volume 8697, 18th Czech-Polish-Slovak Optical Conference on Wave and Quantum Aspects of Contemporary Optics; 86971M (2012) https://doi.org/10.1117/12.2010401
Event: 18th Czech-Polish-Slovak Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 2012, Ostravice, Czech Republic

Abstract

We report laser line self-sweeping phenomenon in rare-earth doped fiber lasers. The effect of self-sweeping is observed in erbium-doped fiber laser and also in the ytterbium-doped one. The former, having linear layout, is core-pumped by laser diode (LD) at 980 nm. Laser cavity is formed with fiber loop mirror and angle cleaved fiber end. Laser operation is delimited by tunable filter; we observed sweeping regime in 0.5 nm wide interval defined by the filter. Yb-doped allfiber laser has linear layout as well. Laser is cladding-pumped by LD at about 976 nm; cavity is constrained by rightangle cleaved fibers. We observed laser line sweeping having a range of 6 – 8 nm. We characterized both lasers with respect to sweeping properties thoroughly. We present output laser line wavelength and instant output intensity versus time; we show dependence of sweeping range, sweeping rate, and sweeping period on output laser power and pump laser temperature (pump laser wavelength).

Citation Download Citation

P. Navratil, P. Vojtíšek, P. Peterka, P. Honzátko, and V. Kubeček "Self-induced laser line sweeping and self-pulsing in rare-earth doped fiber lasers", Proc. SPIE 8697, 18th Czech-Polish-Slovak Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 86971M (18 December 2012); https://doi.org/10.1117/12.2010401

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