Invention Grant
US08260140B2 WDM passive optical network with parallel signal detection for video and data delivery 有权
WDM无源光网络,并行信号检测,用于视频和数据传输

WDM passive optical network with parallel signal detection for video and data delivery
Abstract:
An optical network component, architecture and method for a wavelength division multiplexed passive optical network includes a band coupler configured to demultiplex first and second wavelength division multiplexed content transmitted from an optical line terminal into a first band signal and a second band signal. An arrayed wavelength grating is configured to receive the first band signal and to further demultiplex the first band signal into different wavelengths to provide a plurality of wavelength signals. An optical splitter is configured to split the second band signal into sub-signals and multiplex the sub-signals with each of the wavelength signals such that the first and second wavelength division multiplexed content is provided on a single wavelength to a user.
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