Communication of signals sharing a single optical source

Details Communication of signals sharing a single optical source Communication of signals sharing a single optical source

1992-10-20

1995-03-21

Chilcot, Jr., Richard E.

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359115, 359125, 359127, 359134, 359188, H04B 900

Patent

active

054001668

ABSTRACT:
A single optical source is shared by a plurality of optical communication paths to communicate different information signals on the different paths. A high power optical carrier generator provides a carrier signal to an optical multiplexer. The multiplexer splits the optical carrier into a plurality of paths, each including an external optical modulator. The external optical modulator in each path is used to modulate the carrier in its respective path by a desired information signal. An additional modulated optical carrier can be coupled to one or more of the optical communication paths for the communication of additional information such as a standard set of television channel signals in a cable television network.

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"Transmission of HDTV and Audio Signals Over One Single Mode Fiber" by P. S Natarajan, P. S. Venkatesan, M. D. Avstin, J. Orost, C. G. Forbes SMPTE Journal, Sep. 1989, pp. 651-657.

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