Performance evaluation of optically-preamplified hybrid QPSK M-ary PPM systems with finite extinction ratios
In this paper, we investigate the impact of finite extinction ratios on the error performance of
optically-preamplified homodyne hybrid PDM-QPSK M-ary PPM (PQ-mPPM) systems. The
study is carried for symbol sizes M∈{2, 4,…, 1024} and extinction ratios r∈{10, 15, 20, 25,
30} dB for probabilities of bit error down to P b= 3-9, which covers systems with or without
forward error correction (FEC). We demonstrate that the probability of slot correct location
within a symbol in a PQ-mPPM homodyne system with finite extinction ratios is equal to the …
optically-preamplified homodyne hybrid PDM-QPSK M-ary PPM (PQ-mPPM) systems. The
study is carried for symbol sizes M∈{2, 4,…, 1024} and extinction ratios r∈{10, 15, 20, 25,
30} dB for probabilities of bit error down to P b= 3-9, which covers systems with or without
forward error correction (FEC). We demonstrate that the probability of slot correct location
within a symbol in a PQ-mPPM homodyne system with finite extinction ratios is equal to the …
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