2014
DOI: 10.7567/apex.7.102701
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Single-frequency pulsed Brillouin-thulium fiber laser at 2 µm with nonlinear polarization rotation and active phase modulation

Abstract: We present a single-frequency (SF) pulsed fiber laser at 2 µm based on stimulated Brillouin scattering in a thulium-doped fiber laser. The effective feedback of the fiber laser is quite weak to induce pulse operation. Nonlinear polarization rotation and active phase modulation are employed to compress the pulse width and stabilize the pulse train. This SF pulsed Brillouin-thulium fiber laser (BTFL) can generate a stable pulse train with a repetition rate of ∼310 kHz and a pulse width of ∼200 ns. The repetition… Show more

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Cited by 5 publications
(1 citation statement)
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“…[1][2][3] On the other hand, the SBS effect has been implemented in many fields such as sensors, 4) optical delays, 5) and fiber lasers. 6) Moreover, an interesting effect caused by SBS called "beam cleanup", which can transform a poor-quality pump beam into a high-quality one, is very attractive but the mechanism is unclear until now.…”
mentioning
confidence: 99%
“…[1][2][3] On the other hand, the SBS effect has been implemented in many fields such as sensors, 4) optical delays, 5) and fiber lasers. 6) Moreover, an interesting effect caused by SBS called "beam cleanup", which can transform a poor-quality pump beam into a high-quality one, is very attractive but the mechanism is unclear until now.…”
mentioning
confidence: 99%