Optical amplifying repeater

Details Optical amplifying repeater Optical amplifying repeater

1996-01-17

1998-06-16

Moskowitz, Nelson

Optical: systems and elements

Optical amplifier

Optical fiber

359177, 359194, H04B 1016, H04B 200

Patent

active

057680116

ABSTRACT:
An optical amplifying repeater is provided whereby a transfer signal generated in response to a monitor signal from an end office is generated and amplified by a rare earth element doped fiber, the modulation degree with respect to the optical output of the fiber being held constant, regardless of the frequency of the this transfer signal. This optical amplifying repeater has a rare earth element (such as erbium) doped fiber, an automatic adjusting loop 12, and a monitor and response unit, and is further provided with a modulation degree compensation part for the purpose of holding constant the transfer signal modulation degree with respect to the optical output of the fiber, regardless of the frequency of the transfer signal.

REFERENCES:
patent: 5162936 (1992-11-01), Taga et al.
patent: 5267071 (1993-11-01), Little et al.
patent: 5296957 (1994-03-01), Takahashi et al.
Metsner, B.P., Radio Eng. (USA), vol. 46, #4, pp. 73-76, Apr. 1991, abstract only herewithin.

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