Optical transmission system employing single mode optical transm

Details Optical transmission system employing single mode optical transm Optical transmission system employing single mode optical transm

1996-04-01

1999-03-23

Negash, Kinfe-Michael

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359124, 359173, H04B 1000

Patent

active

058868046

ABSTRACT:
In an optical transmission system for intensively modulating an optical wavelength with a sending signal to be transmitted and optically amplifying a modulated optical signal, a wavelength dispersion characteristic of a single mode optical transmission line can be suitably compensated. The optical transmission system comprises a modulating circuit for modulating optical phases or frequencies of the optical wavelength with the sending signal to set a chirping parameter .alpha. to -0.65 to -1.3, and outputting an modulated signal; an optical transmission line having wavelength residual dispersion value of 16 to 21 ps
m/Km for transmitting the modulated signal; and a dispersion compensating circuit for compensating wavelength dispersion value, of the optical transmission line, which is set to approximately +500 to +1200 ps
m when an input optical power is more than -5 dBm.

REFERENCES:
patent: 5243610 (1993-09-01), Murata
patent: 5303079 (1994-04-01), Gnauck et al.
patent: 5559920 (1996-09-01), Chraplyvy et al.
patent: 5636046 (1997-06-01), Ishikawa et al.
patent: 5663823 (1997-09-01), Suzuki

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