Upgrading a power-splitting passive optical network using optical filtering
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United States of America Patent
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Nov 7, 2000
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N/A
app pub date -
Jan 20, 1998
filing date -
Jan 20, 1998
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Abstract
The passive optical network system and method for providing a predetermined wavelength of data to remote users according to the present invention includes a multiple wavelength transmitter for transmitting a multiwavelength signal. The multiwavelength signal is provided by an access provider and has a plurality of signal components each of predetermined wavelength. A power-splitting passive optical network receives and power-splits the multiwavelength signal into a plurality of distributed multiwavelength signals each associated with a respective remote user. A filter selectively filters out, for each remote user, ones of the signal components of the associated distributed multiwavelength signal to provide the remote user with a selected one signal component of predetermined wavelength.
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