Network communications systems and methods

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United States of America Patent

PATENT NO 11683097
SERIAL NO

17562671

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Abstract

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Methods, systems, and devices for network communications to reduce optical beat interference (OBI) in upstream communications are described. For example, a fiber node may provide a seed source to injection lock upstream laser diodes. Therefore, upstream communications from each injection locked laser diode may primarily include the wavelength associated with each seed source. The seed sources may be unique to each end device and configured to minimize OBI. That is, the upstream laser diodes may be generic, but the collected seed source may enable upstream communications at varying wavelengths. The end device may provide upstream communications by externally modulating a signal generated by the injection locked laser diode.

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Patent Owner(s)

  • CABLE TELEVISION LABORATORIES, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Campos, Luis Alberto Superior, US 226 1301

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