MRV Communications EM316EDFA-LPR Manual de usuario Pagina 21

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Cédric Ware <[email protected]>
2011
Document License
Other doped-glass amplifiers
Same principle as EDFAs:
EDWA: doped waveguide instead of fiber
Short length (few cm), low bulk
Obsoleted by mini-EDFAs (fiber spool fits < 10 cm)
EYDFA : codoping erbium-ytterbium
High output power (30–45 dB
m
)
Only part of C band (1540–1560 nm)
Thulium amplifier (lab)
Tm
3+
ions in fluoride glass
S-band amplification
(Depending on pump: 700 nm, 800 nm, 1 µm, 1.4 µm, and/or 1.56 µm)
Short-λ amplifiers (lab)
Praseodymium or neodymium O-band
Ytterbium λ 1 µm
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