Multiple pulses with broadband spectrum generation in passively mode-locked fiber ring laser incorporating a highly nonlinear fiber |
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| Authors: | Zuxing Zhang Shouyu Luo Yuxing Xia |
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| Affiliation: | Institute of Optics and Photonics, Department of Physics, State Key Laboratory on Fiber Optic Local Area Communication Networks and Advanced Optical Communication Systems, Shanghai Jiao Tong University, 800 Dong Chuan Road, Shanghai 200240, China |
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| Abstract: | Multiple pulses with broadband spectrum generation are experimentally obtained in passively mode-locked erbium-doped fiber ring lasers based on nonlinear polarization rotation, which is achieved by incorporating a length of highly nonlinear dispersion-shifted fiber in the laser cavity. The temporal and spectral dynamic behaviors of multipulse bunching states are demonstrated. The maximum spectral width and flatness are attained when the continuous-wave component is suppressed under appropriate polarization states and pump powers. |
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| Keywords: | Fiber laser Mode locking Nonlinear polarization rotation |
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