FREQUENCY SELECTIVE MMW SOURCE
First Claim
1. An electrooptic source comprising an optical signal generator, optical circuitry, and at least one optical/electrical converter wherein the structure of the source is such that at least the following conditions apply:
- the optical signal generator comprises a plurality of optical outputs characterized by distinct output frequencies;
the optical circuitry is configured to permit the selection and combination of different ones of the distinct-frequency optical outputs of the optical signal generator to generate a modulated optical signal characterized by a modulation frequency of at least about 30 GHz;
the optical circuitry is further configured to direct the modulated optical signal to at least one optical/electrical converter; and
the optical/electrical converter is configured to convert the modulated optical signal to a millimeter or sub-millimeter wave.
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Accused Products
Abstract
The present invention relates to the design and operation of a frequency selective electrooptic source. In accordance with one embodiment of the present invention, the electrooptic source comprises an optical signal generator, optical circuitry, and at least one optical/electrical converter wherein the optical signal generator comprises a plurality of optical outputs characterized by distinct output frequencies and the optical circuitry is configured to permit the selection and combination of different ones of the distinct-frequency optical outputs to generate a modulated optical signal, which is converted to a millimeter or sub-millimeter wave. Additional embodiments are disclosed and claimed.
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Citations
20 Claims
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1. An electrooptic source comprising an optical signal generator, optical circuitry, and at least one optical/electrical converter wherein the structure of the source is such that at least the following conditions apply:
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the optical signal generator comprises a plurality of optical outputs characterized by distinct output frequencies; the optical circuitry is configured to permit the selection and combination of different ones of the distinct-frequency optical outputs of the optical signal generator to generate a modulated optical signal characterized by a modulation frequency of at least about 30 GHz; the optical circuitry is further configured to direct the modulated optical signal to at least one optical/electrical converter; and the optical/electrical converter is configured to convert the modulated optical signal to a millimeter or sub-millimeter wave. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 19, 20)
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18. An electrooptic source comprising an optical signal generator, optical circuitry, and at least one optical/electrical converter wherein the structure of the source is such that at least the following conditions apply:
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the optical signal generator comprises a plurality of optical outputs characterized by distinct output frequencies; the optical signal generator comprises an electrooptic region modulated by a drive signal at a frequency greater than about 1 GHz; the optical signal generator is configured such that the distinct frequencies characterizing the optical outputs of the optical signal generator vary as a function of the frequency of the drive signal; the optical circuitry is further configured to direct the modulated optical signal to at least one optical/electrical converter; and the optical/electrical converter is configured to convert the modulated optical signal to a millimeter or sub-millimeter wave.
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Specification