____________ uses Er3+-doped erbium glass.
Posted: Thu Jul 14, 2022 12:56 pm
a) An erbium-based micro fiber amplifier
b) Rare-earth-doped fiber amplifiers
c) Raman fiber systems
d) Brillouin fiber amplifier
b) Rare-earth-doped fiber amplifiers
c) Raman fiber systems
d) Brillouin fiber amplifier