Abstract
The Erbium-Doped Fiber-Amplifier will make possible a significant improvement in the capacity of undersea lightwave cable systems installed in the mid 1990s. The first amplifier-based systems will use the Non-Retum-to-Zero (NRZ) modulation format at bit rates up to 5 GB/s with dispersion-shifted fiber. Later generations of amplifier systems promise to satisfy the international transmission needs into the 21st century.
© 1994 Optical Society of America
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