Generation of 10-GHz ultra-short pulses with low time jitter in an actively mode-locked fiber laser |
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Authors: | Feng H Zhao W Yan S Xie X P |
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Affiliation: | 1.State Key Laboratory of Transient Optics and Photonics, Xi’an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi’an, 710119, China ; |
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Abstract: | We have experimentally achieved the 8.3-ps ultra-short pulse at 10 GHz repetition rate with the time jitter as low as 590
fs in an actively mode-locked fiber ring laser. The ring-cavity laser is mode-locked by a semiconductor optical amplifier
based on cross-gain modulation. The external CW source is modulated with radio frequency signal by an amplitude modulator
as the external optical pulses and, then, injected into the fiber ring cavity to achieve active mode locking. Further investigating
the laser output characteristics, it indicates that the linewidth of employed CW source affects properties of the generated
ultra-short pulse, such as phase noise and time jitter. Ultra-short pulse at high repetition rate with low time jitter can
be generated by the optimization of CW laser source. |
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