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Exploiting diversity in multimode fiber communications links via multisegment detectors and equalization

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4 Author(s)
C. Argon ; Sch. of Electr. & Comput. Eng., Georgia Inst. of Technol., Atlanta, GA, USA ; K. M. Patel ; S. W. McLaughlin ; S. E. Ralph

we propose diversity combination via optical multisegment detectors and electrical equalization techniques to mitigate the effects of intermodal dispersion in multimode fiber (MMF). With no equalization in MMF links, intermodal dispersion produces intersymbol interference (ISI) in the received optical signal that severely limits the achievable data transmission rates and fiber link lengths. Our quasi-simulated performance results (obtained with measured impulse responses) demonstrate that multisegment detection and equalization provide a low-cost and efficient solution to combat ISI and hence, to enhance the performance of MMF communications links.

Published in:

IEEE Communications Letters  (Volume:7 ,  Issue: 8 )