Rectifying antenna device with nanostructure diode

1. A rectifying antenna device, comprising:

a pair of substantially planar and partially overlapping electrode structures;

at least one nanostructure diode contacting at least a first electrode structure of said pair and being at least in proximity to a second electrode structure of said pair; and

a perforated dielectric layer for ensuring that said electrode structures of said pair are devoid of electrical contact thereamongst;

wherein at least one electrode structure of said pair receives AC radiation, and said at least one nanostructure diode at least partially rectifies a current generated by said AC radiation.

2. The device of claim 1 , wherein said at least one nanostructure diode comprises an elongated nanostructure diode, deposited generally parallel to said pair of electrode structures.

3. The device of claim 1 , further comprising at least one dielectric resonator for receiving and enhancing said AC radiation such that at least one electrode structure of said pair receives said enhanced radiation.

4. A rectifying antenna system, comprising a plurality of rectifying antenna devices, wherein at least one of said rectifying antenna devices is the rectifying antenna device of claim 1 .

5. The system of claim 4 , wherein said plurality of rectifying antenna devices are arranged to receive two polarizations.

6. The device according to claim 1 , wherein said electrode structures are made, at least in part, of different conductive materials.

7. The device according to claim 1 , wherein said electrode structures are made of the same conductive material.

8. The device according to claim 1 , wherein the device further comprises at least one additional electrode structure oriented substantially perpendicular to an imaginary axis defined by said pair of electrode structures.

9. The device according to claim 1 , wherein said electrode structures are separated by a gap shaped so as to ensure asymmetric electrical configuration.

10. The device of claim 1 , wherein said at least one nanostructure diode comprises a plurality of nanostructure diodes.

11. The device of claim 1 , wherein said pair of electrode structures forms a dipole antenna.

12. The device of claim 1 , wherein said pair of electrode structures forms a bow tie antenna.

13. The device of claim 12 , wherein said bow tie antenna has an asymmetric gap.

14. The device of claim 1 , wherein the device further comprises organic molecules attached to at least one of said electrode structures.

15. The device of claim 1 , wherein the device is configured to rectify radiation in the visible range.

16. The device of claim 1 , wherein the device is configured to rectify radiation in the infrared range.

17. The device of claim 1 , wherein said at least one elongated nanostructure comprises carbon nanotube.

18. A method of manufacturing a rectifying antenna device, comprising:

depositioning a first electrode structure on a substrate;

depositioning a perforated dielectric layer such that said perforated dielectric layer partially covers said first electrode structure;

depositioning a second electrode structure on said substrate, such that said second electrode structure partially overlaps said first electrode structure, to form a pair of electrode structures being at least partially exposed and devoid of contact thereamongst; and

depositioning at least one elongated nanostructure on said second electrode structure such that said elongated nanostructure partially overlaps said first electrode structure, to form at least one nanostructure diode.

19. The method of claim 18 , further comprising depositioning an additional electrode structure on said substrate in a manner such that said at least one nanostructure diode interconnects said first electrode structure and said an additional electrode structure.

20. The method of claim 19 , wherein said additional electrode structure is oriented substantially perpendicular to an imaginary axis defined by said first and said second electrode structures.

21. The method of claim 19 , further comprising applying electric field to said additional electrode structure so as to burn a tip of said at least one nanostructure diode, hence to prevent contact between said at least one nanostructure diode and said second electrode structure.

22. The method according to claim 18 , wherein said first and said second electrode structures are laterally displaced by a gap.

23. The method according to claim 18 , wherein said depositioning of said nanostructure is effected by a stamping technique.