Optical communication system and optical transmitting device

Details Optical communication system and optical transmitting device Optical communication system and optical transmitting device

1995-12-19

1998-07-28

Negash, Kinfe-Michael

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359161, 359173, 359179, 375289, H04J 1408, H04B 1000

Patent

active

057869189

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.

REFERENCES:
patent: 4439857 (1984-03-01), Rauth et al.
patent: 4922249 (1990-05-01), Cointot et al.
patent: 4980891 (1990-12-01), Izadpanah
Chu et al. "Mutual Interaction Between Solitons of Unequal Amplitudes in Optical Fiber".
P. L. Chu and C. Decem, "Mutual Interaction Between Solitons of Unequal Amplifiers in Optical Fibre," Electronics Letters, vol. 21, No. 24 (Nov. 21, 1985), pp. 1133-1134.
I. M. Uzunov, V. D. Stoev and T. I. Tzoleva, "N-soliton interaction in trains of unequal soliton pulses in optical fibers," Optical Letters, vol. 17, No. 20 (Oct. 15, 1992), pp. 1417-1419.

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