Optical transmitter
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United States of America Patent
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-
May 19, 2009
Grant Date -
Jun 8, 2006
app pub date -
Nov 10, 2005
filing date -
Nov 11, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention provides an optical transmitter that prevent the overshoot and undershoot appeared in the emission wavelength caused by the fluctuation of the temperature of the laser diode installed therein. The optical transmitter includes a TEC driver, and a master controller. The TEC driver, by comparing the monitored temperature with the target temperature, outputs the error signal to the master controller, which enables the LD-Driver only when the error signal continuously stays within a convergent range by a preset period.
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