Erbium-Ytterbium Doped Waveguide Made by Femtosecond Pulse Laser

摘要: We fabricated ErYb-doped waveguide amplifiers by femtosecond pulses. demonstrated Gaussian mode-profile, low 0.25-dB/cm, propagation loss and gain in a 25-mm long used as active element standard waveguide-amplifier set-up