MRV Communications EM316EDFA-LPR Manuale Utente Scaricare il pdf (Pagina 37)

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Cédric Ware <[email protected]>

2011

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Pros/cons of Raman ampliﬁcation

Pros:

Works at any λ

Distributed ampliﬁcation ⇒ better NF

Dual pumping ⇒ gain over whole transmission span

Cons:

Non-uniform gain

⇒ Multiple pumps

Need long ﬁber for signiﬁcant gain

⇒ directly over transmission ﬁber

⇒ Usage: in-line ampliﬁcation.

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