Interferometric, self-homodyne optical receiver and method and optical transmission system incorporating same
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United States of America Patent
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Jun 7, 1994
Grant Date -
N/A
app pub date -
Jan 24, 1992
filing date -
Jan 24, 1992
priority date (Note) -
Expired
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Abstract
An interferometric, self-homodyne optical receiver is disclosed for detecting and demodulating phase modulated optical signals without requiring a local oscillator normally associated with coherent optical receivers. The self-homodyne receiver includes an interferometer having a phase modulator optically coupled to one channel of the interferometer and a phase-locked arrangement providing electrical signals which control the phase modulator and phase of one channel of the interferometer with respect to the other channel.
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