All-fiber periodically Q-switched laser

Fellew, Matthew; Town, Graham

doi:10.1364/ao.49.004520

Cited by 3 publications

(1 citation statement)

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“…The MOPA features a great flexibility in the pulse duration and the repetition rate, but multi-stage amplifications are needed to realize high power output. The Q-switched fiber lasers can generate pulses with high peak power and high repetition rate [2] ; however, most of them use intracavity modulators, which are costly and relatively bulky [3,4] . Recently, pulsed fiber lasers without intracavity modulators are proposed by seeding the linear cavity with pulse-modulated pump LDs [5][6][7] .…”

Section: Introductionmentioning

confidence: 99%

Dynamic properties of a pulse-pumped fiber laser with a short, high-gain cavity

Chaolin

Guo

et al. 2016

Optical Fiber Technology

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We demonstrate a pulsed high-gain all-fiber laser without intracavity modulators, where a short and heavily Erbium-doped fiber is used as the gain medium in a ring cavity. By pulsed-pumping this short high gain cavity and tuning an intracavity variable optical coupler, the laser generates optical pulses with a pulse-width of s at a repetition rate in the order of kHz down to one-shot operation. Furthermore, dynamic properties of this laser are investigated theoretically based on a travelling-wave-model, in which an adaptive-discrete-grid-finite-difference-method is applied. The simulation results validate the experimental results. The demonstrated pulsed laser is compact, flexible and cost-effective, which will have great potential for applications in all-optical sensing and communication systems.

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