METHOD FOR CONTROLLING PERFORMANCE OF OPTICAL AMPLIFIERS

摘要

A novel circuit (Figure 1A) is disclosed for compensating for ASE in the gain control mode of an optical amplifier (10). The circuit (figure 1A) includes a gain medium (20), a pump source (22), an input port (24), an output port (26), two optical taps (28 and 30), a first detector (32), and a second detector (34). Fifure 1B further discloses a novel method for deriving a control signal from output of the two optical detectors.