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- Chughtai, Mohsan Niaz, et al.
(författare)
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Analysis of Non-Linear Impairments in 40 Gbaud PM DQPSK and D8PSK Transmission
- 2010
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Ingår i: ICTON 2010. - : IEEE Press. - 9781424477982 ; , s. 1 -4
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Konferensbidrag (refereegranskat)abstract
- In this paper, 40 Gbaud transmission of single polarization (SP) and Polarization-Multiplexed (PM), RZ-DQPSK and RZ-D8PSK signals is analyzed numerically. The impact of nonlinear crosstalk arising from the presence of neighbouring intensity-modulated channels is analyzed in terms of required OSNR for the BER of 10-3versus launch power.
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- Tipsuwannakul, Ekawit, 1982, et al.
(författare)
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Influence of self- and cross-phase modulation on 40 Gbaud dual polarization DQPSK/D8PSK signals in 10 Gbit/s OOK WDM systems
- 2010
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Ingår i: Optics Express. - : Optical Society of America. - 1094-4087 .- 1094-4087. ; 18:23, s. 24178-24188
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Tidskriftsartikel (refereegranskat)abstract
- This paper, for the first time, investigates the nonlinear degradation of 40 Gbaud single- and dual polarization RZ-DQPSK/D8PSK signals caused by SPM and XPM-induced crosstalk from neighboring 10 Gbit/s NRZ-OOK channels in an WDM upgrade scenario. The investigations were numerically and experimentally conducted over a 320 km transmission link with three different wavelength configurations to address the impact of the walk-off length. The paper also presents the first numerical analysis of the XPM dependence on the relative state of polarization of the D8PSK with respect to the neighbors. © 2010 Optical Society of America.
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