Method of differentially connecting photonic devices
First Claim
1. A method of driving an electro-optic converter assembly with an information signal, such method comprising the steps of:
- disposing a resistor having a resistance substantially equal to a resistance of the electro-optic converter adjacent the electro-optic converter;
coupling the electro-optic converter and resistor together, in series, to form a current loop;
driving the electro-optical converter end of the current loop with the information signal; and
driving the resistor end of the current loop with an opposite polarity of the information signal.
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Abstract
A method and apparatus are provided for driving an electro-optic converter assembly with an information signal. The method includes the steps of disposing a resistor having a resistance substantially equal to a resistance of the electro-optic converter adjacent the electro-optic converter, coupling the electro-optic converter and resistor together, in series, to form a current loop, driving the electro-optical converter end of the current loop with the information signal and driving the resistor end of the current loop with an opposite polarity of the information signal.
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Citations
35 Claims
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1. A method of driving an electro-optic converter assembly with an information signal, such method comprising the steps of:
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disposing a resistor having a resistance substantially equal to a resistance of the electro-optic converter adjacent the electro-optic converter;
coupling the electro-optic converter and resistor together, in series, to form a current loop;
driving the electro-optical converter end of the current loop with the information signal; and
driving the resistor end of the current loop with an opposite polarity of the information signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An apparatus for driving an electro-optic converter assembly with an information signal, such apparatus comprising:
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a resistor having a resistance substantially equal to a resistance of the electro-optic converter disposed adjacent the electro-optic converter;
means for coupling the electro-optic converter and resistor together, in series, to form a current loop;
means for driving the electro-optical converter end of the current loop with the information signal; and
means for driving the resistor end of the current loop with an opposite polarity of the information signal. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. An apparatus for driving an electro-optic converter assembly with an information signal, such apparatus comprising:
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the electro-optical converter;
a resistor having a resistance substantially equal to a resistance of the electro-optic converter disposed adjacent the electro-optic converter and operably coupled in series with the electro-optical converter to forma current loop; and
an amplifier adapted to drive the electro-optical converter end of the current loop with the information signal and the resistor end of the current loop with an opposite polarity of the information signal. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30)
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31. An optical transmitter assembly comprising:
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a substrate coupled to a ground potential;
an electro-optic converter disposed on the substrate with a ground connection of the electro-optic converter coupled to the substrate;
a resistor having a resistance value substantially equal to a resistance of the electro-optic converter disposed on the substrate adjacent the electro-optic converter with a ground end of the resistor coupled to the substrate; and
a differential amplifier with a first driving output of the differential amplifier operably coupled to an input of the electro-optic converter and a second driving output of the differential amplifier coupled to an input of the resistor.
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32. A method of driving an electro-optic converter, such method comprising the steps of:
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disposing the electro-optic converter on a grounded substrate;
disposing a resistor having a resistance substantially equal to a resistance of the electro-optic converter on the grounded substrate adjacent the electro-optic converter; and
differentially driving the resistor and electro-optic converter in parallel from opposite polarity outputs of a differential amplifier.
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33. A method of driving an electro-optic converter through a differential amplifier, such method comprising the steps of:
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disposing the electro-optic converter on a grounded substrate;
disposing a resistor having a resistance substantially equal to a resistance of the electro-optic converter on the grounded substrate adjacent the electro-optic converter; and
coupling a first polarity output of the differential amplifier to the electro-optic converter and an opposite polarity output of the differential amplifier to the resistor.
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34. A method of providing an electro-optic converter assembly for transmitting an information signal, such method comprising the steps of:
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disposing the electro-optic converter on a grounded substrate; and
disposing a resistor having a resistance substantially equal to a resistance of the electro-optic converter on the grounded substrate adjacent the electro-optic converter, said the electro-optical converter being adapted to receive the information signal and said resistor being adapted to receive an opposite polarity of the information signal.
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35. A method of driving an electro-optic converter through a differential amplifier, such method comprising the steps of:
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disposing a first and second electro-optic converters having substantially equal resistance on a ground plane; and
coupling a first polarity output of the differential amplifier to the first electro-optical converter and an opposite polarity output of the differential amplifier to the second electro-optic converter.
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Specification