Optical transceivers for use in fiber optic communication networks
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United States of America Patent
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Apr 15, 2014
Grant Date -
Oct 20, 2011
app pub date -
Jun 21, 2011
filing date -
Jan 21, 2010
priority date (Note) -
In Force
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Abstract
The present disclosure provides a polarization multiplexed transceiver, including: a transmitter; a receiver; circuitry within the transmitter configured to insert pilot tones as a reference state of polarization for a polarization multiplexed signal; and circuitry within the receiver configured to de-multiplex the polarization multiplexed signal using the pilot tones. The transmitted signal is constructed in such a manner as to facilitate the division of the receiver processing between the analog and digital domains such that the implementation may be simultaneously both highly spectrally efficient and power efficient.
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