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We demonstrate a new saturable absorber mirror coated with thin-film single-wall carbon nanotubes. Using such a device, we build a T-type ring cavity fiber laser and obtained pulses of 586 fs.
A 91.4 kHz repetition rate Er-doped dispersion managed mode-locked fiber laser was demonstrated. The pulse energy was amplified to 790 nJ though single stage amplifier.
A long ring-cavity, low repetition rate Yb-doped fiber laser was demonstrated. Pulses with repetition rate of about 381.3 kHz and single pulse energy above 300 nJ were obtained.
A novel ring cavity incorporated with both semiconductor saturable absorber mirror and grating pair is proposed and demonstrated in a Yb-doped fiber laser. The laser proves self-starting and delivers 84-fs pulses at 1038 nm with a spectral bandwidth of 22 nm. The pulse energy is 0.55 nJ.
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