Performance of the optical amplifier in fiber digital transmission systems with timing uncertainty
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The authors analyze the signal-to-noise ratio (SNR) at the photodetector output for a single-mode fiber optic digital transmission system including online optical amplifiers and an optical preamplifier. The effect of timing error on the performance of a direct detection PIN receiver is also studied. This allows an accurate design of the optical link in terms of the bit error rate desired (10-9 is required for optical communications). It is suggested that for a system with no timing error the signal-to-noise ratio at the photodetector output must be 21.6 dB. With timing uncertainty a higher SNR is necessary and, for a given value of ns, this allows the design of the link in terms of the gain or the optical amplifiers and their number in a more realistic way.
CitacióJunyent, G., Ruiz-Moreno, S., Ruiz, S. Performance of the optical amplifier in fiber digital transmission systems with timing uncertainty. A: Mediterranean Electrotechnical Conference. "MELECON '89: Mediterranean Electrotechnical Conference: April, 11-12-13, 1989: Forum Picoas, Lisboa". Lisboa: 1989, p. 558-560.
Versió de l'editorhttp://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=50106