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120 nm Bandwidth noise-like pulse generation in an erbium-doped fiber laser |
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| Authors: | LM Zhao DY Tang HY Tam |
| Institution: | a School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798, Singapore b Department of Electrical Engineering, Hong Kong Polytechnic University, Hung Hom, Hong Kong, China c Department of Electronic and Information Engineering, Hong Kong Polytechnic University, Hung Hom, Hong Kong, China |
| Abstract: | We report on the generation of noise-like pulses with up to 120 nm bandwidth in a passively mode-locked erbium-doped fiber ring laser. By inserting a segment of slightly normal dispersion fiber in a mode-locked fiber laser cavity, we found that the spectrum of the noise-like pulse emission of the laser can be significantly broadened as a result of the four-wave-mixing and the soliton self-frequency shift effects in the inserted fiber. |
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