Optical apparatus for transmitting data of an electrical signal

Details Optical apparatus for transmitting data of an electrical signal Optical apparatus for transmitting data of an electrical signal

1996-11-29

1998-10-27

Negash, Kinfe-Michael

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

H04J 400, H04J 1400

Patent

active

058284745

ABSTRACT:
A plurality of Acoustic Optic Modulators(AOM) are employed in the transmission subsystem of an optical data communication system for modulating different wavelengths of laser received from a grating with an electrical or radio frequency signal containing data or information to be transmitted. The modulated wavelengths of light associated with each AOM are recombined to form a shaped laser beam via a grating prior, and the shaped beams of laser light are multiplexed together for transmission over a fiber optic cable. A receiving station includes an optical decoding system for demultiplexing the shaped laser pulses, and for each shaped laser pulse detecting the individual modulated wavelengths of light comprising a desired spectrum, for extracting the data or desired information contained in each channel or wavelength of interest.

REFERENCES:
patent: 5073980 (1991-12-01), Prucnal et al.
patent: 5450223 (1995-09-01), Wagner et al.
patent: 5493433 (1996-02-01), Prucnal et al.
patent: 5526171 (1996-06-01), Warren

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