DIRECTLY MODULATED MULTI-LEVEL OPTICAL SIGNAL GENERATOR AND METHOD THEREOF
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United States of America Patent
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Issued Date -
Oct 9, 2014
app pub date -
Feb 14, 2014
filing date -
Apr 9, 2013
priority date (Note) -
Abandoned
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Abstract
A directly modulated multi-level optical signal generator and a method thereof are provided. The multi-level optical signal generator includes N number of direct modulation lasers (DMLs) configured to directly modulate source light into a 2-level optical signal, and an optical power combiner configured to combine N number of 2-level optical signals directly modulated by the respective DMLs to generate a 2N-level optical signal.
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