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US 7,257,331 B2Granted
Signal emitter for optical fibers
AssigneeAlcatel
InventorsGeorges Grandpierre, Roland Uhel
Life of this patent
Estimating the term…
Abstract
An emitter of optical signals for optical fibers includes an electroabsorption modulator downstream of a laser and a Mach-Zhender modulator downstream of the electroabsorption modulator and controlled by at least one clock to eliminate for each pulse of the resulting signal from the first modulator a portion of signal in a time range including the rising edge and in a time range including the falling edge.
Claims6
An emitter of optical signals for optical fibers, comprising:
- an electroabsorption modulator (EAM) downstream of a laser and providing an EAM output comprising a stream of pulses having leading and trailing edge portions, and
- a Mach-Zhender modulator downstream of said electroabsorption modulator and modulating said EAM output in accordance with at least one clock to eliminate said leading and trailing edges portions of each pulse.
Dependencies are inferred from the claim text.