Energy quantization of twin-pulse solitons in a passively mode-locked fiber ring laser |
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Authors: | B Zhao DY Tang P Shum YD Gong C Lu WS Man HY Tam |
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Institution: | (1) School of EEE, Nanyang Technological University, 639798, Singapore;(2) Institute for Infocomm Research, 18 Nanyang Drive, 637723, Singapore;(3) Department of Electrical Engineering, Hong Kong Polytechnic University, Kowloon, Hong Kong, China |
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Abstract: | A novel twin-pulse form of solitary wave was recently revealed in a passively mode-locked fiber ring laser. In this paper we report on the energy quantization feature of the twin-pulse solitons in the laser. We show that, as in the case of single-pulse solitons, multiple twin-pulse solitons can coexist in the laser cavity, and, in particular, that all of them have exactly the same pulse energy and twin-pulse separation. The pump-power hysteresis effect previously reported for the single-pulse soliton operation is also observed for the twin-pulse soliton operation of the laser. PACS 42.81.Dp; 42.55.Wd; 42.60.Fc |
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