title: Multichannel nonlinear distortion compensation using optical phase conjugation in a silicon nanowire.
abstract: We experimentally demonstrate compensation of nonlinear distortion caused by the Kerr effect in a 3 × 32-Gbaud quadrature phase-shift keying (QPSK) wavelength-division multiplexing (WDM) transmission system. We use optical phase conjugation (OPC) produced by four-wave mixing (FWM) in a 7-mm long silicon nanowire. A clear improvement in Q-factor is shown after 800-km transmission with high span input power when comparing the system with and without the optical phase conjugation module. The influence of OSNR degradation introduced by the silicon nanowire is analysed by comparing transmission systems of three different lengths. This is the first demonstration of nonlinear compensation using a silicon nanowire.
authors.forename: Dragana
authors.initials: D
authors.lastname: Vukovic
authors.forename: Jochen
authors.initials: J
authors.lastname: Schröder
authors.forename: Francesco
authors.initials: F
authors.lastname: Da Ros
authors.forename: Liang Bangyuan
authors.initials: LB
authors.lastname: Du
authors.forename: Chang Joon
authors.initials: CJ
authors.lastname: Chae
authors.forename: Duk-Yong
authors.initials: DY
authors.lastname: Choi
authors.forename: Mark D
authors.initials: MD
authors.lastname: Pelusi
authors.forename: Christophe
authors.initials: C
authors.lastname: Peucheret