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We report on mode-locking of a Cr:YAG laser at 1516 nm with a monolayer-graphene-based saturable absorber of transmission type generating ∼90-fs pulses at an average output power exceeding 100 mW.
Stable and self-starting mode-locking of a Tm:LiYF4 laser using a single-walled carbon nanotubes based saturable absorber is demonstrated. Pulses as short as 19 ps are generated at a wavelength of ∼ 1888 nm.
Triple-line-shaped electrodes were devised to fabricate a periodically poled 90° domain structure of KNbO 3 (PP90KN) of 20.25μm period with uniform periodicity and reproducibility. Using the fundamental pulse of 141fs duration at 1619nm wavelength, an efficient broadband type-I quasi-phase-matched second-harmonic generation was realized in an 8.3mm long PP90KN by satisfying both phase matching...
Controlling bundling and curl of carbon nanotubes permits ultrafast optical switching, which was demonstrated in a >500 nm near-infrated band by femtosecond mode-locking of three bulk lasers using one and the same saturable absorber.
Transmissive single-walled carbon nanotube saturable absorbers were used for passive mode-locking of a Cr:YAG laser, delivering tunable sub-100-fs pulses around 1.5 µm with output powers up to 110mW at 84.6 MHz.
Monolayer graphene was synthesized and used to develop novel saturable absorbers for bulk solid-state laser mode-locking. The graphene mode-locked Cr:forsterite laser delivers stable 130-fs pulses at 1.25 µ with output powers up to 230 mW.
Different types of carbon nanotube saturable absorbers were fabricated and characterized. Their application for solid-state laser mode-locking enabled the generation of sub-100-fs pulses near 1.25 mum with powers up to 280 mW at 79 MHz.
Mode-locking of the disordered cubic sesquioxide crystal Yb:LuScO3 using a reflection-type single-walled carbon nanotube saturable absorber is demonstrated under diode pumping and compared with passive mode-locking by a commercial SESAM.
Ultrafast single-walled carbon nanotube saturable absorbers were fabricated and optimized for mode-locking solid-state lasers near 1 μm. Their typical modulation depth and recovery time were measured to be ≫ 0.3% and ∼ 750 fs, respectively.
Single-walled carbon nanotube saturable absorbers were designed for passive mode-locking near 1 μm. Using Yb:KYW and Yb:KLuW, nearly transform-limited sub-150 fs pulses were generated at 1037 nm and 1048 nm, respectively.
Single-walled carbon nanotube saturable absorbers were designed for passive mode-locking near 1 mum. Using Yb:KYW and Yb:KLuW, nearly transform-limited sub-150 fs pulses were generated at 1037 nm and 1048 nm, respectively.
Ultrafast single-walled carbon nanotube saturable absorbers were fabricated and optimized for mode-locking solid-state lasers near 1 mum. Their typical modulation depth and recovery time were measured to be Gt 0.3% and ~ 750 fs, respectively.
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