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Nonlinearity and in-line residual dispersion tolerance of /spl pi/-AP-RZ and CS-RZ modulation formats in 40-Gb/s transmission over standard single-mode fiber
2005 / IEEE
This item was taken from the IEEE Periodical ' Nonlinearity and in-line residual dispersion tolerance of /spl pi/-AP-RZ and CS-RZ modulation formats in 40-Gb/s transmission over standard single-mode fiber ' We achieved a 40% increase in 40-Gb/s transmission distance in links with exact dispersion compensation through suppression of nonlinear distortion by using the alternate-phase return-to-zero (AP-RZ) modulation format. A novel experimental technique was used to compare in-line residual dispersion tolerances, and it was found that AP-RZ is less dispersion tolerant than conventional RZ and carrier-suppressed RZ (CS-RZ) when both linear and nonlinear transmission are considered. Maximum dispersion tolerance of /spl plusmn/50 ps/nm over 300 km was shown to be possible using CS-RZ.
Optical Fibre Communication
Optical Fibre Dispersion
In-line Residual Dispersion Tolerance
/spl Pi/-ap-rz Modulation
Nonlinear Distortion Suppression
Fiber Nonlinear Optics
Advanced Modulation Formats
Alternate-phase Return-to-zero (ap-rz)
Photonics And Electrooptics
Engineered Materials, Dielectrics And Plasmas
Alternate-phase Return-to-zero Modulation