Title :
Nonlinear transmission of 6PolSK-QPSK signals using coded modulation and digital back propagation
Author :
Tanimura, Takahito ; Alreesh, Saleem ; Fischer, Johannes ; Schmidt-Langhorst, Carsten ; Frey, Felix ; Meuer, C. ; Elschner, Robert ; Molle, L. ; Schubert, Colja
Author_Institution :
Dept. Photonic Networks & Syst., Fraunhofer Inst. for Telecommun., Berlin, Germany
Abstract :
We experimentally investigate the characteristics of 126-Gb/s coded 6PolSK-QPSK signals in the nonlinear transmission regime and demonstrate that required OSNR improvement is increasing with fiber-launch power due to coded modulation as well as digital back propagation.
Keywords :
backpropagation; modulation coding; nonlinear optics; optical fibre communication; optical fibre polarisation; optical modulation; quadrature phase shift keying; 6-ary polarization-shift keying; 6PolSK-QPSK signals; OSNR improvement; bit rate 126 Gbit/s; coded modulation; digital back propagation; fiber-launch power; nonlinear transmission; quadrature phase shift keying; Forward error correction; Gain; Modulation; Optical attenuators; Optical fiber polarization; Optical noise; Signal to noise ratio;
Conference_Titel :
Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC), 2013
Conference_Location :
Anaheim, CA
Print_ISBN :
978-1-4799-0457-0
