2024
DOI: 10.3788/col202422.051403
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Coexistence of noise-like pulse and dark pulse in an Er/Yb co-doped fiber laser

Jing Li,
Chuncan Wang,
Peng Wang

Abstract: The coexistence of a noise-like pulse (NLP) and a dark pulse was experimentally demonstrated in a net-anomalous dispersion Er/Yb co-doped fiber (EYDF) laser, for the first time, to our knowledge. The cavity was mode-locked by nonlinear polarization rotation (NPR) technique. Meanwhile, a Sagnac loop with a section of polarization-maintaining fiber (PMF) was used as a comb filter to enable multiwavelength pulse operation. When the PMF length was 0.3 m, an asymmetric two-peak spectrum with central wavelengths of … Show more

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