Abstract

Optical solitons can be transmitted through a low-loss fiber to a distance exceeding 6 × 103 without a conventional repeater if they are amplified periodically at appropriate distances. An example of a numerical simulation for a 2-gigabit/sec system is presented with solitons having peak power of 11.2 mW, a width of 34.2 psec in a monomode fiber with a cross-sectional area of 20 μm2, a loss rate of 0.2 dB/km at λ = 1.5 μm, and amplifiers with 2-dB power gain spaced at every 10 km.

© 1982 Optical Society of America

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