Abstract

In previous work, we studied the compensation of modal dispersion in multimode fiber (MMF) using several different configurations of optical systems that can control the amplitude, phase and polarization of the launched field. In that work, we assumed knowledge of a fiber's principal modes (PMs) and their group delays (GDs), enabling us to compute the optimal settings of the optical system. In practice, however, we do not have prior knowledge of the PMs and their GDs. In this paper, for three of the configurations, we propose algorithms for setting the optical system adaptively, based upon measurements of the eye opening. We present simulations showing that in the absence of noise, the performance of the adaptive solution approaches that of the optimal solution, and characterizing the algorithms' convergence speed and tolerance to noise. We present experiments using a particular configuration and adaptive algorithm, demonstrating their effectiveness in 10-Gb/s transmission through up to 2000 m of 50-$\mu$m-core graded-index MMF.

© 2010 IEEE

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  8. R. A. Panicker, J. M. Kahn, S. P. Boyd, "Compensation of multimode fiber dispersion using adaptive optics via convex optimization," J. Lightw. Technol. 26, 1295-1305 (2008).
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  17. M. Grant, S. Boyd, Y. Ye, “CVX: Matlab Software for Disciplined Convex Programming,” http://www.stanford.edu/~boyd/cvx.

2009 (4)

R. A. Panicker, J. M. Kahn, "Algorithms for compensation of multimode fiber dispersion using adaptive optics," J. Lightw. Technol. 27, 5790-5799 (2009).

R. A. Panicker, A. P. T. Lau, J. P. Wilde, J. M. Kahn, "Experimental compensation of adaptive optics algorithms in 10-Gb/s multimode fiber systems," J. Lightw. Technol. 27, 5783-5789 (2009).

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).

M. B. Shemirani, J. M. Kahn, "Higher-order modal dispersion in graded-index multimode fiber," J. Lightw. Technol. 27, 5461-5468 (2009).

2008 (1)

R. A. Panicker, J. M. Kahn, S. P. Boyd, "Compensation of multimode fiber dispersion using adaptive optics via convex optimization," J. Lightw. Technol. 26, 1295-1305 (2008).

2005 (2)

2003 (1)

H. Wu, J. A. Tierno, P. Pepeljugoski, J. Schaub, S. Gowda, J. A. Kash, A. Hajimiri, "Integrated transversal equalizers in high-speed fiber-optic systems," IEEE J. Solid-State Circuits 38, 2131-2137 (2003).

2002 (1)

X. Zhao, F. S. Choa, "Demonstration of 10-Gb/s transmissions over 1.5-km-long multimode fiber using equalization techniques," IEEE Photon. Technol. Lett. 14, 1187-1189 (2002).

1995 (1)

J. M. Kahn, W. J. Krause, J. B. Carruthers, "Experimental characterization of non-directed indoor infrared channels," IEEE Trans. Commun. 43, 1613-1623 (1995).

1983 (1)

S. C. Rashleigh, "Origins and control of polarization effects in single-mode fibers," J. Lightw. Technol. LT-1, 312-331 (1983).

IEEE J. Solid-State Circuits (1)

H. Wu, J. A. Tierno, P. Pepeljugoski, J. Schaub, S. Gowda, J. A. Kash, A. Hajimiri, "Integrated transversal equalizers in high-speed fiber-optic systems," IEEE J. Solid-State Circuits 38, 2131-2137 (2003).

IEEE Photon. Technol. Lett. (1)

X. Zhao, F. S. Choa, "Demonstration of 10-Gb/s transmissions over 1.5-km-long multimode fiber using equalization techniques," IEEE Photon. Technol. Lett. 14, 1187-1189 (2002).

IEEE Trans. Commun. (1)

J. M. Kahn, W. J. Krause, J. B. Carruthers, "Experimental characterization of non-directed indoor infrared channels," IEEE Trans. Commun. 43, 1613-1623 (1995).

J. Lightw. Technol. (7)

S. C. Rashleigh, "Origins and control of polarization effects in single-mode fibers," J. Lightw. Technol. LT-1, 312-331 (1983).

R. A. Panicker, J. M. Kahn, "Algorithms for compensation of multimode fiber dispersion using adaptive optics," J. Lightw. Technol. 27, 5790-5799 (2009).

R. A. Panicker, A. P. T. Lau, J. P. Wilde, J. M. Kahn, "Experimental compensation of adaptive optics algorithms in 10-Gb/s multimode fiber systems," J. Lightw. Technol. 27, 5783-5789 (2009).

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).

M. B. Shemirani, J. M. Kahn, "Compensation of multimode fiber dispersion by optimization of launched amplitude, phase, and polarization," J. Lightw. Technol. .

M. B. Shemirani, J. M. Kahn, "Higher-order modal dispersion in graded-index multimode fiber," J. Lightw. Technol. 27, 5461-5468 (2009).

R. A. Panicker, J. M. Kahn, S. P. Boyd, "Compensation of multimode fiber dispersion using adaptive optics via convex optimization," J. Lightw. Technol. 26, 1295-1305 (2008).

Opt. Lett. (2)

Other (5)

M. Grant, S. Boyd, Y. Ye, “CVX: Matlab Software for Disciplined Convex Programming,” http://www.stanford.edu/~boyd/cvx.

E. Alon, V. Stojanovic, J. M. Kahn, S. P. Boyd, M. A. Horowitz, "Equalization of modal dispersion in multimode fiber using spatial light modulators," Proc. IEEE Global Telecommun. Conf. (2004).

S. Boyd, L. Vandenberghe, Convex Optimization (Cambridge Univ. Press, 2003).

G. P. Agrawal, Fiber-Optic Communication Systems (Wiley, 2002).

J. Proakis, Digital Communications (McGraw-Hill, 2001).

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