Which of the following is the reason why the pump light output power of the RAMAN amplifier is very high?

Question

Options

• ARaman amplification is performed in the transmission fiber, and the pump light needs to be
• BRaman amplifiers increase pump output power to obtain better noise characteristics
• CThe threshold power for the stimulated Raman scattering effect is high, so Raman requires a high-
• DRaman needs to obtain much greater gain than EDFA, so the pump output power is increased

• A
  6% (2)
• B
  10% (3)
• C
  81% (25)
• D
  3% (1)

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