Chirped pulse amplification in single mode Tm:fiber using a chirped Bragg grating
Abbreviated Journal Title
Appl. Phys. B-Lasers Opt.
THULIUM FIBER LASER; DOPED FIBER; TELLURITE GLASS; FEMTOSECOND; SYSTEM; ENERGY; GENERATION; NJ; Optics; Physics, Applied
We report femtosecond pulse generation and chirped pulse amplification in Tm:fiber. A mode-locked oscillator operating in the soliton regime produced 800 fs pulses with 5 nm spectral bandwidth, at 40 pJ pulse energy. This oscillator seeded a pre-amplifier that utilizes a Raman soliton self-frequency shift to produce wavelength tunable pulses with 3 nJ energy, reduced pulse duration of 150 fs, and increased bandwidth of 30 nm. For further amplification, the pulses were stretched up to 160 ps using a chirped Bragg grating (CBG). Stretched pulses were amplified to 85 nJ after compression in single-mode Tm:fiber and recompressed with the CBG as short as 400 fs. Compressed pulses were coupled into a highly nonlinear tellurite fiber to investigate the potential of this ultrashort pulse 2-mu m fiber source as a pump for mid-IR supercontinuum generation.
Applied Physics B-Lasers and Optics
"Chirped pulse amplification in single mode Tm:fiber using a chirped Bragg grating" (2013). Faculty Bibliography 2010s. 2567.