| 摘要 |
<p>An optical amplifier device comprising an optical amplifier (3) for amplifying an input signal light, output sensing means (5) for measuring the output level of the optical amplifier, output control means (6) for controlling the output level of the optical amplifier in accordance with the output level measured by the output sensing means (5), gain gradient sensing means (7) for measuring the gain gradient relating to the wavelength of the optical amplifier, and gain gradient control means (8) for controlling the gain gradient of the optical amplifier (3) in accordance with the gain gradient measured by the gain gradient sensing means (7).</p> |
