H - Electricity – 04 – B
Patent
H - Electricity
04
B
325/1
H04B 10/142 (2006.01) H04B 10/135 (2006.01)
Patent
CA 1236883
- 25 - LIGHTWAVE TRANSMISSION SYSTEM USING HOMODYNE DETECTION Abstract A coherent electromagnetic wave transmission system includes an electromagnetic wave transmission medium for propagating two orthogonally polarized coherent electromagnetic signals. When received the two polarized signals are separated into an information component and a reference component that is coherent with the information component. The reference component drives an amplifier for producing an amplified reference component that is coherent with the information component. Mixing the coherent amplified reference component with the information component in a homodyne detector produces a baseband information signal.
484507
Bergano Neal S.
Schulte Harry J. Jr.
Wagner Richard E.
American Telephone And Telegraph Company
Kirby Eades Gale Baker
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