Electromagnetic device with integral\non-linear component
View Patent ↗An optical antenna assembly including multiple optical antenna elements, each of the optical antenna elements are arranged in a regular pattern and carried by a supporting body. The regular pattern of the plurality of optical antenna elements is nonuniform. Certain ones of the optical antenna elements are configured to respond to the one or more waves of light.
1. An optical receiving structure, comprising:
a. a plurality of passive optical receiving sections, each shaped to produce an electromagnetic potential in response to an incoming optical wave; and
b. a plurality of respective frequency conversion structures coupled to receive the produced electromagnetic potentials and responsive to produce a corresponding optical signal at a reduced frequency relative to a frequency of the incoming optical wave,
wherein the plurality of respective frequency conversion structures includes transistors having gates coupled to the passive optical receiving sections.
2. The optical receiving structure of claim 1 , wherein each of the frequency conversion structures is sized and shaped to interact at the frequency of the incoming optical wave, the optical receiving structure further including downconverting circuitry coupled to each of the frequency conversion structures and responsive to the respective localized potential to produce an optical output signal at a frequency lower than the optical frequency of the incoming optical wave.
3. The optical receiving structure of claim 2 wherein the downconverting circuitry includes a square law device.
4. The optical receiving structure of claim 3 wherein the square law device is a Schottky diode.
5. The optical receiving structure of claim 2 the downconverting circuitry includes a signal mixer.
6. The optical receiving structure of claim 5 wherein the signal mixer is an optical mixer.
7. The optical receiving structure of claim 5 wherein the signal mixer is an electronic mixer.
8. The optical receiving structure of claim 5 including a reference signal source coupled to the signal mixer.
9. The optical receiving structure of claim 2 wherein the conversion structures include a nanotube.
10. The optical receiving structure of claim 2 wherein the conversion structures include one or more regions shaped to guide plasmons.
11. The optical receiving structure of claim 10 including a reference signal source and wherein the downconverting circuitry includes a mixer coupled to the conversion structure and the reference signal source.
12. The optical receiving structure of claim 1 , wherein the plurality of respective frequency conversion structures are integral to the optical receiving sections.
13. The optical receiving structure of claim 1 , wherein the plurality of respective frequency conversion structures include high electron mobility nonlinear devices.
14. The optical receiving structure of claim 13 wherein the high electron mobility nonlinear devices are transistors.