1 \mu m wavelength swept fiber laser based on dispersion tuning technique

We report a wavelength swept fiber laser at the 1 \mu m region based on an actively mode-locked dispersion-tuning technique. The ring-cavity laser uses a 70 cm ytterbium-doped fiber as a gain medium. Mode locking is achieved by the direct modulation of the amplitude modulator, and a ~1000 m single-m