Temperature tuning an optical amplifier
A method and system is disclosed of characterizing an optical amplifier for operation with a required tilt or curvature within predetermined limits. As the temperature of the erbium-doped optical amplifier is varied while a test signal is launched into the amplifier accompanied by a pump signal the...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A method and system is disclosed of characterizing an optical amplifier for operation with a required tilt or curvature within predetermined limits. As the temperature of the erbium-doped optical amplifier is varied while a test signal is launched into the amplifier accompanied by a pump signal the output spectrum is compared with a desired spectrum. At different temperatures different measures of tilt or curvature are present at the output port of the amplifier in the presence of an input signal at the input port. Feedback related to the measure of tilt or curvature of at least one of the plurality of different temperatures is provided in the form of a feedback signal or an information signal. |
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