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(a) Scheme of dispersion distribution in our laser. Normal dispersion is provided by an EDF. Anomalous dispersion provided by a combination of SMFs: Flexcore 1060 and SMF-28. (b) Laser setup: LD-laser diode, WDM-wavelength division multiplexer, EDF-erbium-doped fiber, SMF-single mode fiber, ISO-isolator, PC-polarization controller.
Transmittance as a function of pump intensity.
(a) Optical spectrum with bandwidth . (b) Autocorrelation trace with Gaussian Fit.
Output rf spectrum, measured around the fundamental repetition rate with 2 Hz resolution.
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