System and method for sensing and trapping nanoparticles with plasmonic nanopores

1. An apparatus, comprising:

a conductive transparent layer;

a conductive film aperture layer mounted to a substrate, the aperture layer comprising a plurality of nanopores for trapping nanoparticles contained in a fluid situated between the transparent layer and the aperture layer;

a light source configured to illuminate the nanopores to induce a flow of the nanoparticles towards the nanopores; and

an electric field source connected between the transparent layer and the aperture layer, the electric field source comprising an alternating current source.

2. The apparatus of claim 1 , wherein a frequency of the alternating current source is in the range of 5 KHz-100 KHz.

3. The apparatus of claim 1 , wherein the field produced by the electric field source is in the range of 40K-1 M volts per meter.

4. The apparatus of claim 2 , further comprising a metasurface lens which focuses the light source onto the nanopores.

5. The apparatus of claim 4 , wherein a diffraction grating is formed in the transparent layer.

6. The apparatus of claim 1 , wherein the aperture layer comprises gold.

7. The apparatus of claim 1 , wherein the aperture layer indium tin oxide.

8. The apparatus of claim 1 , wherein a nanopore of the plurality of nanopores is surrounded by a bullseye grating to provide concentration of light to the nanopore and outcoupling of light from the nanopore to free space.

9. The apparatus of claim 1 , wherein the aperture layer comprises alternating portions of subwavelength metal and dielectric nanostructures arranged configuration, each of said portions extending through the aperature layer thickness.

10. The apparatus of claim 1 , wherein the light source is a laser.