Method And System For A Distributed Optical Transmitter With Local Domain Splitting
First Claim
1. A method for optical communication, the method comprising:
- in an optical modulator integrated in a silicon photonics chip;
receiving one or more electrical signals;
communicating the one or more electrical signals to domain splitters along a length of waveguides of the optical modulator utilizing one or more delay lines;
generating electrical signals in at least two voltage domains utilizing the domain splitters;
modulating received optical signals in the waveguides of the optical modulator by driving diodes with the electrical signals generated in the at least two voltage domains; and
generating a modulated output signal through interference of the modulated optical signal in the waveguides of the optical modulator.
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Abstract
Methods and systems for a distributed optical transmitter with local domain splitting is disclosed and may include, in an optical modulator integrated in a silicon photonics chip: receiving electrical signals, communicating the electrical signals to domain splitters along a length of waveguides of the optical modulator utilizing one or more delay lines, generating electrical signals in voltage domains utilizing the domain splitters, modulating received optical signals in the waveguides of the optical modulator by driving diodes with the electrical signals generated in the voltage domains, and generating a modulated output signal through interference of the modulated optical signal in the waveguides of the optical modulator. The delay lines may comprise one delay element per domain splitter, or may comprise a delay element per domain splitter for a first subset of the domain splitters and more than one delay element per domain splitter for a second subset of the domain splitters.
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Citations
20 Claims
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1. A method for optical communication, the method comprising:
in an optical modulator integrated in a silicon photonics chip; receiving one or more electrical signals; communicating the one or more electrical signals to domain splitters along a length of waveguides of the optical modulator utilizing one or more delay lines; generating electrical signals in at least two voltage domains utilizing the domain splitters; modulating received optical signals in the waveguides of the optical modulator by driving diodes with the electrical signals generated in the at least two voltage domains; and generating a modulated output signal through interference of the modulated optical signal in the waveguides of the optical modulator. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A system for communication, the system comprising:
an optical modulator integrated in a silicon photonics chip, the optical modulator being operable to; receive one or more electrical signals; communicate the one or more electrical signals to domain splitters along a length of waveguides of the optical modulator utilizing one or more delay lines; generate electrical signals in at least two voltage domains utilizing the domain splitters; modulate received optical signals in the waveguides of the optical modulator by driving diodes with the electrical signals generated in the at least two voltage domains; and generate a modulated output signal through interference of the modulated optical signal in the waveguides of the optical modulator. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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20. A system for communication, the system comprising:
an optical modulator integrated in a silicon photonics chip, the optical modulator comprising; a pair of optical waveguides; local modulator sections arranged along the pair of optical waveguides, wherein each local modulator comprises a diode arranged in each optical waveguide, a pair of diode drivers for each diode, and a domain splitter that is operable to generate separate voltage domains for each of the diode drivers.
Specification