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ASE narrow‐band noise pulsing in erbium‐doped fiber amplifier and its effect on self‐phase modulation

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ASE narrow‐band noise pulsing in erbium‐doped fiber amplifier and its effect on self‐phase modulation

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Muniz-Cánovas, Pablo; Barmenkov, Yuri O.; Kir'yanov, A. V.; Cruz Muñoz, José Luis; Andrés, Miguel V.

Aquest document és un/a article, creat/da en: 2019

In this paper, we report a study of the features of polarized and unpolarized narrow-band amplified spontaneous emission (ASE) in a low-doped erbium fiber at 976-nm pumping. We demonstrate that ASE noise can be treated as a train of Gaussian-like pulses with random magnitudes, widths, and inter-pulse intervals. ASE noise can also provide a statistical analysis of these three parameters. We also present the data that reveal ASE noise’s role in optical spectrum broadening through self-phase modulation of light propagating in a communication fiber. In particular, the data show that the ASE noise derivative defines the broadening’s spectral shape.

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