Abstract
We report an Er-doped, actively Q-switched, fiber laser, generating
transform-limited pulses based on single-frequency fiber laser seeded ring
cavity. The output pulsewidth can be tuned from hundreds of nanoseconds to
several microseconds by changing the repetition rate or the open time of the
electrical pulse trigger. This injection-seeded, Q-switched ring cavity fiber
laser can be operated over the whole C-band.
In addition, a theoretical model is developed to numerically study the pulse
characteristics by changing the acousto-optic modulator transmission as well
as several cavity parameters, such as the cavity length and loss. The numerical
results are in good agreement with the experimental results.
© 2012 IEEE
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