R.-J. Essiambre, R. W. Tkach, "Capacity trends and
limits of optical communication networks," Proc. IEEE 100, 1035-1055
(2012).

R. Ryf, S. Randel, A. H. Gnauck, C. Bolle, A. Sierra,
S. Mumtaz, M. Esmaeelpour, E. C. Burrows, R. Essiambre, P. J. Winzer, D. W.
Peckham, A. H. McCurdy, R. Lingle, "Mode-division multiplexing over 96 km of
few-mode fiber using coherent 6 × 6 MIMO processing," J. Lightw. Technol.
30, 521-531 (2012).

A. Mecozzi, R.-J. Essiambre, "Nonlinear shannon limit
in pseudo-linear coherent systems," J. Lightw. Technol. 30, 2010-2024
(2012).

A. Mecozzi, C. Antonelli, M. Shtaif, "Nonlinear
propagation in multi-mode fiber in the strong coupling regime," Opt. Express 20,
11673-11678 (2012).

S. Mumtaz, R.-J. Essiambre, G. P. Agrawal, "Reduction
of nonlinear penalties due to linear coupling in multicore optical fibers," IEEE
Photon. Technol. Lett. 24, 1574-1576 (2012).

R. Ryf, R.-J. Essiambre, S. Randel, A. H. Gnauck, P.
J. Winzer, T. Hayashi, T. Taru, T. Sasaki, "MIMO-based crosstalk suppression in
spatially multiplexed 3 56-Gb/s PDM-QPSK signals for strongly coupled three-core
fiber," IEEE Photon. Technol. Lett. 23, 1469-1471 (2011).

C. Koebele, M. Salsi, G. Charlet, S. Bigo, "Nonlinear
effects in mode-division-multiplexed transmission over few-mode optical fiber,"
IEEE Photon. Technol. Lett. 23, 1316-1318 (2011).

K. Ho, J. Kahn, "Statistics of group delays in
multimode fiber with strong mode coupling," J. Lightw. Technol. 29, 3119-3128
(2011).

K. Ho, J. Kahn, "Mode-dependent loss and gain:
Statistics and effect on mode-division multiplexing," Opt. Express 19, 16612-16635
(2011).

R. W. Tkach, "Scaling optical communications for the
next decade and beyond," Bell Labs Tech. J. 14, 3-9 (2010).

R.-J. Essiambre, G. Kramer, P. J. Winzer, G. J.
Foschini, B. Goebel, "Capacity limits of optical fiber networks," J. Lightw.
Technol. 28, 662-701 (2010).

M. B. Shemirani, W. Mao, R. A. Panicker, J. M. Kahn,
"Principal modes in graded-index multimode fiber in presence of spatial- and
polarization-mode coupling," J. Lightw. Technol. 27, 1248-1261
(2009).

F. Mezzadri, "How to generate random matrices from the
classical compact groups," Notices of AMS 54, 592-604 (2007).

A. M. Tulino, S. Verdú, "Random matrix theory and
wireless communications," Commun. Inf. Theory 1, 1-182 (2004).

P. K. A. Wai, C. R. Menyuk, "Polarization mode
dispersion, decorrelation, and diffusion in optical fibers with randomly varying
birefringence," J. Lightw. Technol. 14, 148-157 (1997).

D. Marcuse, C. R. Manyuk, P. K. A. Wai, "Application
of the Manakov-PMD equation to studies of signal propagation in optical fibers
with randomly varying birefringence," J. Lightw. Technol. 15, 1735-1746
(1997).

S. G. Evangelides, L. F. Mollenauer, J. P. Gordon, N.
S. Bergano, "Polarization multiplexing with solitons," J. Lightw. Technol. 10,
28-35 (1992).

S. V. Manakov, "On the theory of two-dimensional
stationary self-focusing of electromagnetic waves," Sov. Phys. JETP 38, 248-253
(1974).

R. W. Tkach, "Scaling optical communications for the
next decade and beyond," Bell Labs Tech. J. 14, 3-9 (2010).

A. M. Tulino, S. Verdú, "Random matrix theory and
wireless communications," Commun. Inf. Theory 1, 1-182 (2004).

S. Mumtaz, R.-J. Essiambre, G. P. Agrawal, "Reduction
of nonlinear penalties due to linear coupling in multicore optical fibers," IEEE
Photon. Technol. Lett. 24, 1574-1576 (2012).

R. Ryf, R.-J. Essiambre, S. Randel, A. H. Gnauck, P.
J. Winzer, T. Hayashi, T. Taru, T. Sasaki, "MIMO-based crosstalk suppression in
spatially multiplexed 3 56-Gb/s PDM-QPSK signals for strongly coupled three-core
fiber," IEEE Photon. Technol. Lett. 23, 1469-1471 (2011).

C. Koebele, M. Salsi, G. Charlet, S. Bigo, "Nonlinear
effects in mode-division-multiplexed transmission over few-mode optical fiber,"
IEEE Photon. Technol. Lett. 23, 1316-1318 (2011).

M. B. Shemirani, W. Mao, R. A. Panicker, J. M. Kahn,
"Principal modes in graded-index multimode fiber in presence of spatial- and
polarization-mode coupling," J. Lightw. Technol. 27, 1248-1261
(2009).

S. G. Evangelides, L. F. Mollenauer, J. P. Gordon, N.
S. Bergano, "Polarization multiplexing with solitons," J. Lightw. Technol. 10,
28-35 (1992).

R.-J. Essiambre, G. Kramer, P. J. Winzer, G. J.
Foschini, B. Goebel, "Capacity limits of optical fiber networks," J. Lightw.
Technol. 28, 662-701 (2010).

R. Ryf, S. Randel, A. H. Gnauck, C. Bolle, A. Sierra,
S. Mumtaz, M. Esmaeelpour, E. C. Burrows, R. Essiambre, P. J. Winzer, D. W.
Peckham, A. H. McCurdy, R. Lingle, "Mode-division multiplexing over 96 km of
few-mode fiber using coherent 6 × 6 MIMO processing," J. Lightw. Technol.
30, 521-531 (2012).

A. Mecozzi, R.-J. Essiambre, "Nonlinear shannon limit
in pseudo-linear coherent systems," J. Lightw. Technol. 30, 2010-2024
(2012).

P. K. A. Wai, C. R. Menyuk, "Polarization mode
dispersion, decorrelation, and diffusion in optical fibers with randomly varying
birefringence," J. Lightw. Technol. 14, 148-157 (1997).

D. Marcuse, C. R. Manyuk, P. K. A. Wai, "Application
of the Manakov-PMD equation to studies of signal propagation in optical fibers
with randomly varying birefringence," J. Lightw. Technol. 15, 1735-1746
(1997).

K. Ho, J. Kahn, "Statistics of group delays in
multimode fiber with strong mode coupling," J. Lightw. Technol. 29, 3119-3128
(2011).

F. Mezzadri, "How to generate random matrices from the
classical compact groups," Notices of AMS 54, 592-604 (2007).

R.-J. Essiambre, R. W. Tkach, "Capacity trends and
limits of optical communication networks," Proc. IEEE 100, 1035-1055
(2012).

S. V. Manakov, "On the theory of two-dimensional
stationary self-focusing of electromagnetic waves," Sov. Phys. JETP 38, 248-253
(1974).

A. Ghatak, K. Thyagarajan, Introduction to Fiber
Optics (Cambridge Univ. Press, 1998).

R. W. Boyd, Nonlinear Optics (Academic Press,
2003).

G. P. Agrawal, Nonlinear Fiber Optics (Academic,
2007).

R. Ryf, S. Randel, A. H. Gnauck, C. Bolle, R.-J.
Essiambre, P. J. Winzer, D. W. Peckham, A. McCurdy, R. Lingle, "Space-division
multiplexing over 10 km of three-mode fiber using coherent 6 × 6 MIMO
processing," Proc. Opt. Fiber Commun. Conf. Expo./Nat. Fiber Opt. Eng. Conf.
(2011) pp. 1-3.

E. Ip, N. Bai, Y.-K. Huang, E. Mateo, F. Yaman, M.-J.
Li, S. Bickham, S. Ten, J. Linares, C. Montero, V. Moreno, X. Prieto, V. Tse, K.
Chung, A. Lau, H.-Y. Tam, C. Lu, Y. Luo, G.-D. Peng, G. Li,
"88 × 3 × 112-Gb/s WDM transmission over 50 km of three-mode
fiber with inline few-mode fiber amplifier," Proc. 37th Eur. Conf. Opt. Commun.
(2011) pp. 1-3.

C. Koebele, M. Salsi, L. Milord, R. Ryf, C. Bolle, P.
Sillard, S. Bigo, G. Charlet, "40 km transmission of five mode division
multiplexed data streams at 100 Gb/s with low MIMO-DSP complexity," Proc. 37th
Eur. Conf. Opt. Commun. (2011) pp. 1-3.

R.-J. Essiambre, "Impact of fiber parameters on
nonlinear fiber capacity," Proc. Opt. Fiber Commun. Conf. Expo./Nat. Fiber Opt.
Eng. Conf. (2011).

R.-J. Essiambre, R. Ryf, M. A. Mestre, A. H. Gnauck,
R. W. Tkach, A. R. Chraplyvy, S. Randel, Y. Sun, X. Jiang, R. Lingle,
Jr"Inter-modal nonlinear interactions between well separated channels in
spatially-multiplexed fiber transmission," Proc. 38th Eur. Conf. Opt. Commun.
(2012).

D. Marcuse, Theory of Dielectric Optical Waveguides
(Academic, 1991).