System of long-distance digital transmission by optical fiber wi

Details System of long-distance digital transmission by optical fiber wi System of long-distance digital transmission by optical fiber wi

1992-12-22

1994-12-13

Chilcot, Jr., Richard E.

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359173, 359181, 385 27, H04B 1000

Patent

active

053733827

ABSTRACT:
In a system for the long-distance transmission of a digital signal on a fiber-optic transmission line connecting a transmitter station and a receiver station, the digital signal has rising edges and descending edges between two predetermined signal levels, respectively representing the two binary values that can be assumed by the digital signal, the transmitter station comprising: device for the amplitude modulation of the digital signal, delivering an amplitude modulated signal; device for the modification of the instantaneous optical frequency of the amplitude modulated signal, at the instants corresponding to the rising and descending edges of the digital signal.

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