Optical transmission apparatuses, methods, and systems

Details Optical transmission apparatuses, methods, and systems Optical transmission apparatuses, methods, and systems

2005-05-10

2005-05-10

Healy, Brian M. (Department: 2874)

Optical waveguides

Temporal optical modulation within an optical waveguide

Electro-optic

C385S001000, C385S003000, C385S024000, C385S040000, C385S014000, C385S011000, C398S082000, C359S341100, C359S333000

Reexamination Certificate

active

06891981

ABSTRACT:
Apparatuses, methods, and systems are disclosed for controlling optical signal wavelength spacing by providing for simultaneous upconversion of a plurality of electrical signal on subcarrier frequencies of an optical carrier frequency with or without modulation of an electrical data signal onto the optical carrier frequency. The optical carrier lightwave is split into a plurality of split lightwaves upon which one or more electrical frequencies carrying information can be upconverted onto optical subcarriers of the lightwave carrier frequency. The relative spacings of the optical subcarrier lightwaves will thus be unaffected by variation in the carrier frequency. The optical subcarrier lightwaves can then be recombined to form the optical data signal carrying the plurality of information carried by the electrical frequencies.

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