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Tm-doped fiber lasers, operating in the 2 μm eye-safe region (the absorbable band of human tissues) [1], have potential applications in molecular spectroscopy and medicine [1], where tuning the laser operating wavelength is highly desirable [1]. Tunable multiwavelength mode-locked fiber lasers have been widely reported in the 1 and 1.5 μm regions [2, 3]. Ref. [4] studied the tunability of switchable...
We demonstrate a dual-wavelength, carbon nanotube mode-locked Er fiber laser. The laser outputs two wavelengths at 1549nm and 1562nm, and each wavelength corresponds to pulse duration of ∼1.3ps and repetition rate of ∼11.27MHz.
We report an ultrafast fiber laser based on carbon nanotube saturable absorber. 84 fs pulses are generated directly from the fiber oscillator with 61.2 nm spectral width.
We demonstrate passive mode-locking of a Raman fiber laser using a nanotube-based saturable absorber. The normal dispersion cavity generates highly-chirped 500 ps pulses that are compressed down to 2 ps, with 1.4 kW peak power.
We mode-lock a fiber oscillator with cavity length of ~1500m using nanotubes, achieving 1.55ps pulses with pulse energy up to 63nJ at 134KHz repetition rate.
A Graphene-based saturable absorber is fabricated using wet chemistry techniques. We use it to passively mode-lock an Erbium doped fiber laser. ∼500fs pulses are produced at 1560nm with a 5.2nm spectrum bandwidth.
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