Abstract:
In M-ary differential phase-shift keying (DPSK), log 2 M information bits are encoded in the phase difference Δø between successive symbols, where Δø assuming values in the set Θ+2(i-1)π/M,i=1,⋯M. When Θ = 0, we have conventional DPSK, while when Θ = 0, we have offset DPSK. Using numerical analysis, we investigate the performance of binary and quaternary offset DPSK for arbitrary Θ in the presence of fiber chromatic dispersion (CD) and first-order polarization-mode dispersion (PMD). We show that the choice of Θ may strongly affect the tolerance of offset DPSK systems to CD and PMD.
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© 2005 Springer Science + Business Media, Inc. Boston
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Wang, J., Kahn, J.M. (2005). Dispersion Limitations in Optical Systems Using Offset DPSK Modulation. In: Forestieri, E. (eds) Optical Communication Theory and Techniques. Springer, Boston, MA. https://doi.org/10.1007/0-387-23136-6_20
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DOI: https://doi.org/10.1007/0-387-23136-6_20
Publisher Name: Springer, Boston, MA
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