2021
DOI: 10.1016/j.optlastec.2021.107018
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Coherent artifact and time-dependent polarization in amplified ultrafast erbium-doped fibre lasers

Abstract: Mode-locked erbium-doped fibre lasers are ultrashort pulsed sources widely studied due to their versatility and multiple applications in the near infrared range. Here we present the experimental study of the emission of a passive mode-locked erbium-doped fibre laser with an amplification stage outside the cavity by means of Frequency Resolved Optical Gating (FROG) and spectral interferometry. Due to shot-to-shot instabilities, the FROG traces can be understood as the combination of two different traces, corres… Show more

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Cited by 6 publications
(2 citation statements)
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“…The SHG signal is spectrally resolved using a spectrometer (Qmini wideVIS spectrometer, RGB Photonics). Due to the interferometric interaction with the collinear configuration of the Michelson interferometer, the DC component has to be extracted from the interferometric traces in order to apply any of the known pulse retrieval algorithms [7,8]. Moreover, the optical spectrum from nm up to 1700 nm can be taken using an optical spectrum analyzer (OSA, Agilent, model 86142B).…”
Section: Methodsmentioning
confidence: 99%
“…The SHG signal is spectrally resolved using a spectrometer (Qmini wideVIS spectrometer, RGB Photonics). Due to the interferometric interaction with the collinear configuration of the Michelson interferometer, the DC component has to be extracted from the interferometric traces in order to apply any of the known pulse retrieval algorithms [7,8]. Moreover, the optical spectrum from nm up to 1700 nm can be taken using an optical spectrum analyzer (OSA, Agilent, model 86142B).…”
Section: Methodsmentioning
confidence: 99%
“…This upgrade will be beneficial, especially for the measurement of low repetition rate sources (e.g. high-power systems), as well as for unstable vector pulse trains [147].…”
Section: Current and Future Challengesmentioning
confidence: 99%