Method and apparatus for optical sampling
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United States of America Patent
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Jun 27, 2006
Grant Date -
Aug 4, 2005
app pub date -
Jan 29, 2004
filing date -
Jan 29, 2004
priority date (Note) -
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Abstract
An optical sampling method and apparatus are provided for modulating an optical signal using a first electroabsorption modulator (EAM) driven by a sinusoidal RF voltage signal to provide substantially jitter free temporal gating of the optical signal. The gated optical signal from the first EAM is routed through a second EAM to provide an optical output signal having a reduced repetition rate. The second EAM is driven using an electrical pulse train having a repetition rate that is a subharmonic of the frequency of the sinusoidal RF voltage signal driving the first EAM.
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