Nyquist wavelength division multiplexing system
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United States of America Patent
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Jul 12, 2016
Grant Date -
Aug 29, 2013
app pub date -
Feb 27, 2013
filing date -
Feb 29, 2012
priority date (Note) -
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Abstract
Aspects of the present invention include apparatus and methods for transmitting and receiving signals in communication systems. A beam splitter splits an optical signal into a plurality of signals. At least one QPSK modulator generates a plurality of QPSK modulated signals from the plurality of signals. An optical multiplexer combines the plurality of QPSK modulated signals into a multiplexed signal. The multiplexed signal is then transmitted.
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