title: PMD tolerance of 288 Gbit/s Coherent WDM and transmission over unrepeatered 124 km of field-installed single mode optical fiber.
abstract: Low-cost, high-capacity optical transmission systems are required for metropolitan area networks. Direct-detected multi-carrier systems are attractive candidates, but polarization mode dispersion (PMD) is one of the major impairments that limits their performance. In this paper, we report the first experimental analysis of the PMD tolerance of a 288Gbit/s NRZ-OOK Coherent Wavelength Division Multiplexing system. The results show that this impairment is determined primarily by the subcarrier baud rate. We confirm the robustness of the system to PMD by demonstrating error-free performance over an unrepeatered 124km field-installed single-mode fiber with a negligible penalty of 0.3dB compared to the back-to-back measurements.
authors.affiliation: Photonic Systems Group, Department of Physics and Tyndall National Institute, University College Cork, Ireland. paola.frascella@tyndall.ie
authors.forename: Paola
authors.initials: P
authors.lastname: Frascella
authors.forename: Fatima C Garcia
authors.initials: FC
authors.lastname: Gunning
authors.forename: Selwan K
authors.initials: SK
authors.lastname: Ibrahim
authors.forename: Paul
authors.initials: P
authors.lastname: Gunning
authors.forename: Andrew D
authors.initials: AD
authors.lastname: Ellis
mesh_terms: D005336:Fiber Optic Technology / Q000379:methods*; D008027:Light; D008422:Materials Testing; D055100:Optical Fibers