Passive wavelength division multiplexing device for automatic wavelength locking and system thereof
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United States of America Patent
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Aug 11, 2015
Grant Date -
Nov 28, 2013
app pub date -
Nov 30, 2010
filing date -
Nov 30, 2010
priority date (Note) -
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Abstract
The present invention relates to a passive wavelength division multiplexing device for automatic wavelength locking and a system thereof including an optical multiplexer, an optical filter, an integrated optical receiver monitor, and a tunable optical transmitter. Through wavelength locking that adjusts a wavelength of an optical signal, which changes according to an external environment such as a temperature change, into a wavelength of an optical signal having the maximum optical intensity, communication quality may be maximized by securing a stable communication channel, a locking time and a communication channel setting time may be reduced, and more robust locking may be guaranteed.
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