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20 December 2019 Noise-like pulses with low repetition rate in an all-polarization-maintaining mode-locked figure-of-9 Er-doped fiber laser
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Proceedings Volume 11209, Eleventh International Conference on Information Optics and Photonics (CIOP 2019); 112090T (2019) https://doi.org/10.1117/12.2542901
Event: Eleventh International Conference on Information Optics and Photonics (CIOP 2019), 2019, Xi'an, China
Abstract
We demonstrate a low-repetition-rate mode-locked figure-of-9 erbium-doped fiber laser at a center wavelength of 1550 nm by using an all-polarization-maintaining (PM) nonlinear amplifying loop mirror (NALM) configuration. This laser can generate Gaussian-shape noise-like pulses (NLPs) at a repetition rate of 2.15 MHz with a radio-frequency (RF) signal-to-noise ratio of greater than 50 dB and can be self-started mode-locked with a pulse energy of 11.68 nJ. The fluctuation of the average output power in 60 hours is 1.27% root mean square (RMS), which proves its high power stability. To our knowledge, this is the first report of an all-PM NALM erbium-doped fiber laser generating NLPs at the center wavelength of 1550 nm.
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Yan Pei, Yue Zhou, Jie Yin, and Kun Xu "Noise-like pulses with low repetition rate in an all-polarization-maintaining mode-locked figure-of-9 Er-doped fiber laser", Proc. SPIE 11209, Eleventh International Conference on Information Optics and Photonics (CIOP 2019), 112090T (20 December 2019); https://doi.org/10.1117/12.2542901
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