Download or read book Space Division Multiplexing Transmission written by Miquel àngel Mestre Adrover and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: [ANGLÈS] The combination of Shannon's information theory and Kerr nonlinear effects present in single-mode fibers has recently revealed an approaching capacity crunch of current optical communication systems. A promising solution that is currently being studied relies on space division multiplexing (SDM), which explores the new spatial dimension given by novel few-mode fiber (FMF) or mutli-core fiber (MCF) designs. Along this work, we present two new distance records in wavelength- and space-division multiplexed (WDM-SDM) transmission based on few-mode fibers, at which novel low-loss spot-based multiplexers were used to launch the signals into the fiber modes. First, 5x3x2 wavelength-, space- and polarization-division multiplexed 40 Gb/s QPSK signals were transmitted along 209 km of a hybrid FMF span by means of distributed backwards Raman amplification. Next, a 700-km distance is achieved in a recirculating loop experiment transmitting an aggregate capacity of 4.8 Tb/s over a graded-index FMF span. In both fiber spans a DGD-compensating technique was applied to keep a reduced impulse response of the whole system. The performance observed in both experiments demonstrates the potential of FMF-based space-division multiplexing as a perfect candidate for future high-capacity optical communication transmission systems.