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AssigneeKorea Institute of Science and Technology
InventorsDong Hwan Kim, Sang Bae Lee, Jae Cheol Jo, Sang Sam Choi, Young Min Jhon, Sang Hyuck Kim
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The gain control device in a semiconductor optical amplifier using an optical fiber grating includes an input unit for receiving an optical signal, an output unit for outputting an amplified optical signal, and input and output optical isolators connected to the input and output units to establish paths of the input and output optical signals. The gain control device further includes a tension-controllable optical fiber grating connected to the input optical isolator for fine adjustment of a reflection peak wavelength. A semiconductor optical amplifier connected to the tension-controllable optical fiber grating is also provided to amplify the optical signal. A power supply supplies power to the semiconductor optical amplifier to drive the optical amplifier. In addition, an optical fiber grating is connected to the semiconductor optical amplifier and has a predetermined reflection peak wavelength.
A gain control device in a semiconductor optical amplifier using an optical fiber grating, which includes an input unit for receiving an optical signal, an output unit for outputting an amplified optical signal, and input and output optical isolators connected to the input and output units to establish paths of the input and output optical signals, the gain control device comprising:
Dependencies are inferred from the claim text.