1R J Essiambre, G Kramer, P J Winzer, et al: Capacity limits of optical fiber networks [J]. J Lightwave Technol, 2010, 28(4): 662-701.
2R Ryf, S Randel, A H Gnauck, et al: Mode-division multiplexing over 96 km of few mode fiber using coherent 6 )4 6 MIMO processing [J] J Lightwave Technol, 2012, 30(4): 521-531.
3R Ryf, S RandeI, N K Fontaine. 32-hit/s/Hz spectral efficiency WDM transmission over 177-km few-mode fiber[C]. Optical Fiber Communicaton Conference, 2013. PDP5A.
4R Ryf, S Randel, A H Gnauck, et al: Space-division multiplexing over 10 km of three-mode fiber using coherent 6 X 6 MIMO processing E C 1- Optical Fiber Communication Conference, 2011. PDPB10.
5P Sillard, M Astruc, D Boivin, e: al: Few mode fiber for uncoupled mode-division multiplexing transmissions[C]. 37thEuropean Conference and Exposition on Optical Communications, 2011.
6Tu. 5. LeCervin. 7. An Li, Abdullah A1 Amin, Xi Chen, et al: Transmission of 107 Gh/s mode and polarization multiplexed CO-OFDM signal over a two-mode fiber[J]. Opt Express, 2011, 19(9): 8808 8814.
7C Koebele, M Salsi, D Sperti, et al: Two mode transmission with digital inter-modal cross-talk mitigation[ C] ECOC Technical Digest, 2011. Tu. 5. B. 4.
8A R William, N J Summit. Optical Fiber Comprising a Refractive Index Trench[P]. US Patent 4852968, 1989.
9L de Montmorillo, P Matthiisse, F Gooijer, et al: Bend optimized G. 652D compatible trench assisted single mode fibers [C]. 55th IWCS, 2006. 342 347.
10P Sillard, S Richard, L A de Montmorillon, et al: Micro bend losses of trench-assisted single-mode fibers [ C ]. European Conference on Optical Communication, 2010. We. 8. F. 3.