Compute output signal power in mw and signal-to-noise ratio

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An erbium-doped fiber amplifier has a noise figure of 4 and a gain of 10 dB. The optical input has a 30-dB signal-to-noise ratio and a signal power of 10 µW. Compute the output signal power in mW and signal-to-noise ratio (in dB) at the amplifier's output.

Reference no: EM13286543

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