MRV Communications EM316EDFA-LPR Manual do Utilizador descarregar pdf (Página 18)

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Cédric Ware <[email protected]>

2011

Document License

EDFA characteristics

C- or L-band

All-ﬁber ⇒ low insertion loss

Gain up to 40 dB, P

out

> 23 dB

m

, polarization-independent

NF down to ∼ 3 dB (lab) ; 4–6 dB in practice

Long-lifetime excited states (few ms)

⇒ gain = constant over each bit

⇒ good linearity

Drawbacks:

Optical pumping ⇒ complex

Sensitive to traﬃc ﬂuctuations (on packet networks)

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