H - Electricity – 04 – B
Patent
H - Electricity
04
B
325/1
H04B 10/00 (2006.01) H04B 10/24 (2006.01) H04J 14/02 (2006.01)
Patent
CA 2040755
ABSTRACT A single wavelength bidirectional communication link is disclosed herein. The bidirectional communication link (100) of the present invention includes an optical fiber (160) having a first and a second end. The present invention includes a first arrangement (260) for launching a first optical carrier of a first wavelength onto the optical fiber (160) at the first end thereof. Additionally, the first launching arrangement (260) impresses a first modulating signal having a frequency confined to a first frequency spectrum upon the first carrier. The inventive communication link (100) further includes a second arrangement (270) for launching a second optical carrier of the first wavelength onto the optical fiber (160) at the second end thereof. The second launching arrangement (270) also impresses a second modulating signal having a frequency confined to a second frequency spectrum not overlapping the first spectrum upon the second carrier. In addition, the present invention includes a first receiver (540), coupled to the second end of the optical fiber (160), for extracting the first modulating signal from the first optical carrier. A second receiver (480), coupled to the first end of the optical fiber (160), extracts the second modulating signal from the second optical carrier.
Hsu Hui-Pin
Hughes Aircraft Company
Sim & Mcburney
LandOfFree
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