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The authors report an improvement of the bandwidth-distance product of multimode fibre by up to 400%, achieved with a novel offset launch technique. This technique excites > 60% of the fibre modes and is stable against environmental variations. Transmission of 2.5 Gbit/s over 3 km of 50 µm multimode fibre is demonstrated.
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Raddatz et al. (1997) studied this question.
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