Optical communication system and optical transmitting device
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United States of America Patent
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Jul 28, 1998
Issued Date -
N/A
app pub date -
Dec 19, 1995
filing date -
Sep 8, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An optical communication system of a construction wherein the average wavelength dispersion value of the transmission optical fiber used, the optical output intensity of each optical amplifier repeater inserted in the transmission optical fiber and the widths of return-to-zero optical pulses transmitted over the transmission line are determined so as to compensate for the pulse compression effect by the nonlinear optical effect produced on the optical pulses by the pulse spreading effect by the wavelength dispersion effect. An optical multiplexer in the optical transmitting device time-division multiplexes the return-to-zero optical pulses, and the optical multiplexed signal is provided as an alternating-amplitude optical signal with the amplitudes of the return-to-zero optical pulses alternated.
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