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An automatic gain-controlled Raman fiber amplifier/gain-clamped SOA using a feed-forward pump-control scheme is proposed. The output signal power is automatically controlled within 0.15 dB when the span loss changes from 16 dB to 26 dB
We propose an automatic-gain-controlled Raman fiber amplifier/gain-clamped semiconductor optical amplifier. The amplifier uses a feedforward gain-control scheme to maintain the channel output power. The signal power after the optical amplifier is automatically controlled to within 0.15 dB when the span loss changes from 16 to 26 dB.
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