Laser temperature performance compensation
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United States of America Patent
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app pub date -
Jan 14, 2003
filing date -
Dec 24, 1999
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Abstract
The invention presents a method that calibrates the laser optical power in a continuous manner without disrupting the flow of information in the optical communications link. The method utilizes knowledge of the measured value of the laser optical power and makes necessary adjustments to optimize the values of the Extinction Ratio, Bit Error Rate and to compensate for aging. The method utilizes knowledge of the temperature from a sensor and mathematical models, which contain parameters which are updated for a specific laser configuration.
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