Input monitoring system for optical amplifying repeater

Details Input monitoring system for optical amplifying repeater Input monitoring system for optical amplifying repeater

1995-10-10

1998-11-17

Negash, Kinfe-Michael

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359110, 359160, 359179, 359341, H04B 1002, H04B 1000

Patent

active

058384766

ABSTRACT:
An input monitoring system is provided in an optical amplifying repeater to monitor a level of an optical input signal. A monitored level of the optical input signal is used to detect a fault on an optical transmission path or to control a bias current for a laser diode which emits and supplies an exciting signal for exciting an optical fiber amplifier. To accurately monitor a level of the optical input signal, the input monitoring system comprises an input terminal supplied with the optical input signal, an optical fiber amplifier for amplifying the optical input signal, a first photo diode for detecting and outputting an electric signal corresponding a level of the optical input signal, and an optical switch operatively connected to the input terminal, the optical fiber amplifier and first photo diode for switching the optical input signal alternatively into the optical fiber amplifier and the first photo diode.

REFERENCES:
patent: 5299048 (1994-03-01), Suyama
patent: 5475521 (1995-12-01), Heidemann
patent: 5521752 (1996-05-01), Heidemann et al.

Affiliated with

Also associated with

Rating

Input monitoring system for optical amplifying repeater does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Input monitoring system for optical amplifying repeater, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Input monitoring system for optical amplifying repeater will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-890349