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electro-absorption modulator

   Also found in: Acronyms 0.01 sec.
electro-absorption modulator
A semiconductor diode that modulates light from a laser that is separate from it, but may be fabricated on the same wafer. Turning the current on causes absorption of the light. See fiber optics glossary.


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Since conventional electro-absorption modulator integrated lasers (EML) or Mach-Zehnder modulators used in long-distance transmission are limited to a distance of around 80 km there has been demand for longer-range capability.
Uni-travelling-carrier photodiode (UTC-PD) and PD-EAM optical gate integrating UTC-PD and travelling wave electro-absorption modulator (TW-EAM).
has provided a large range of components for next generation broadband networks, such as high-power lasers, 10Gbps integrated electro-absorption modulator lasers, high-sensitivity PIN and APD receivers, as well as trans-impedance amplifiers or TO-CAN products for PON applications, utilizing its outstanding in-house device technologies.
 
 
 
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