No filter, self-seeded
A self-seeded multi-wavelength Brillouin-erbium fiber laser without filtering devices, combining a linear cavity and ring cavity to output 38 Stokes channels with high OSNR.
Zou, Hui · Yang, Shi
Optics and Laser Technology 2024
High stability and repeatability of Stokes lines monitored within 100 min at 270-mA bias 980-nm pump current