OPTICAL TRANSMISSION SYSTEM
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United States of America Patent
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Issued Date -
Jan 22, 2009
app pub date -
Jul 18, 2008
filing date -
Jul 20, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
In the transmitting apparatus, phase modulation means phase-modulates a signal light from a signal source based on data. Polarization modulation means polarization-modulates the signal light which is phase-modulated by the phase modulation means so that the polarization directions of temporally adjacent unit data are orthogonal to each other. In the receiving apparatus, interference means causes the signal light transmitted from the transmitting apparatus to interfere with a signal light such that the signal light is delayed by an even number of unit data. Intensity detecting means detects the intensity of the signal light obtained by interference by the interference means to detect data.
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