Dual-wavelength noise-like pulse generation in passively mode-locked all-fiber laser based on MMI effect

Guannan Shi; Shijie Fu; Quan Sheng; Wei Shi; Jianquan Yao

doi:10.1117/12.2291225

26 February 2018 Dual-wavelength noise-like pulse generation in passively mode-locked all-fiber laser based on MMI effect

Guannan Shi, Shijie Fu, Quan Sheng, Wei Shi, Jianquan Yao

Author Affiliations +

Proceedings Volume 10512, Fiber Lasers XV: Technology and Systems; 105122B (2018) https://doi.org/10.1117/12.2291225
Event: SPIE LASE, 2018, San Francisco, California, United States

Abstract

We report on the generation of dual-wavelength noise-like pulse (NLP) from a passively mode-locked all-fiber laser based on multimode interference (MMI) effect. The theory to evaluate and design transmission spectrum of MMI filter is analyzed. A homemade MMI filter was employed in an Er-doped fiber ring laser with NPE configuration and dual-wavelength NLP at 1530 and 1600 nm was obtained with 3-dB bandwidth of 18.1 and 41.9 nm, respectively. The output had a signal-to-noise ratio higher than 35 dB and can achieve self-started operation.

Citation Download Citation

Guannan Shi, Shijie Fu, Quan Sheng, Wei Shi, and Jianquan Yao "Dual-wavelength noise-like pulse generation in passively mode-locked all-fiber laser based on MMI effect", Proc. SPIE 10512, Fiber Lasers XV: Technology and Systems, 105122B (26 February 2018); https://doi.org/10.1117/12.2291225

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