Method and apparatus for controlling a laser structure
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United States of America Patent
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N/A
Issued Date -
May 2, 2002
app pub date -
Jul 11, 2001
filing date -
Jul 11, 2000
priority date (Note) -
Abandoned
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Abstract
The present invention related to a method and apparatus for controlling a laser structure, comprising at least an amplifying section, a phase section, a first reflection section, a first facet, emitting a substantial part of the electromagnetic radiation generated by the laser structure, and a second facet, injection means for injecting current in the phase section, injection means for injecting current in the reflection section, the method including the steps of determining a first value by measuring the power output at the first facet, determining a second value by measuring the power output at the second facet, determining a third value depending on the first value and the second value, determining a plurality of values for currents for controlling the laser structure from at least the third value, wherein the determining being based on a step of optimizing the third value, and injecting the currents with the determined current values via the injection means.
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