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High fundamental-repetition-rate bound solitons in carbon nanotube-based fiber lasers

Liu, HH and Chow, KK (2015) High fundamental-repetition-rate bound solitons in carbon nanotube-based fiber lasers. IEEE Photonics Technology Letters, 27 (8). pp. 867-870. ISSN 1041-1135

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Abstract

© 2015 IEEE.We demonstrate bound solitons formation with a high fundamental-repetition-rate of 211.8 MHz from an all-fiber linear-configuration mode-locked laser incorporating a carbon-nanotube-based saturable absorber for the first time. By adjusting the polarization state of laser cavity, bound solitons exhibit a large change of pulse separation in a range of 3.5-73 times longer than the pulsewidth, while the phase difference of the tightly bound solitons switches between pm π 2. Numerical simulations confirm the experimental observations about the dependence of spectral profile of bound solitons on the pulse separation and the phase difference.

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