Journal
IEEE PHOTONICS TECHNOLOGY LETTERS
Volume 23, Issue 11, Pages 742-744Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2011.2131125
Keywords
Dense wavelength-division multiplexing (DWDM); Nyquist wavelength-division multiplexing (WDM); optical transmission; polarization-multiplexed quadrature amplitude modulation (PM-QAM); polarization-multiplexed quadrature phase-shift keying (PM-QPSK); uncompensated systems
Funding
- CISCO Systems within an SRA
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We present analytical results on the impact of nonlinear propagation in uncompensated links. We test the accuracy of our model in the context of ultradense wavelength-division-multiplexing polarization-multiplexed quadrature phase-shift keying (PM-QPSK) systems, at the Nyquist spectral efficiency limit. We show that the predicted system performance matches simulation results very accurately over a broad range of system scenarios. A simple closed-form analytical formula provides an effective tool for the quick and accurate prediction of system performance.
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