An external fibre Bragg grating cavity soliton pulse source with wide frequency operation range is demonstrated using an apodised 100 mm long step-chirped grating. Near transform-limited 50 ps pulses over a frequency range of 160 MHz around 1 GHz are obtained. Mode-locking and stable pulsing is demonstrated for the first time with such a long chirped grating.
Hanlin Xu, Famei Wang, Zhe Zhang, Qingyue Cui, Han Kong, Jun Yu, Qingdian Lin, Min Zhou, Chao Liu, Paul Kim Ho Chu, H. B. Zhuo, Cangtao Zhou, Shuangchen Ruan, Xiaoyang Guo
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