High-power, high-energy, all-fiber Mamyshev oscillator

https://phys.org/news/2023-05-high-power-high-energy-all-fiber-mamyshev-oscillator.html

"width 73 fs... through adjusting the cavity parameters, a maximum 5th order harmonic mode-locking operation was obtained with an output average power of 3.4 W and a compressed pulse width of 100 fs... cascade spectral broadening and offset spectral filtering... core/cladding diameter 10/125 μm... single amplification arm... single pulse energy 153 nJ and average power 3.4 W... compact, flexible, good heat dissipation and high beam quality... material processing, medicine, advanced manufacturing"

Related: Nano-oscillator hits record quality factor

https://phys.org/news/2024-03-nano-oscillator-quality-factor.html