Patent ID: 8836949
Filing Date: 2014-09-16
Classification: G02B,G11B

Abstract:
1. A system for characterizing performance of a surface plasmon receptor at wafer level, the system comprising: a light source; an input grating configured to receive light from the light source; a splitter configured to receive the light from the input grating; a first waveguide arm; a second waveguide arm, wherein the splitter is configured to split the light into the first waveguide arm and the second waveguide arm; a surface plasmon receptor optically coupled to the first waveguide arm and the second waveguide arm and configured to receive light from the first waveguide arm in a first direction and the second waveguide arm in a second direction opposite of the first direction, wherein the first and the second waveguide arms are configured to induce a preselected phase difference in light arriving at the surface plasmon receptor; a third waveguide arm optically coupled to the surface plasmon receptor; a first output grating coupled to the third waveguide arm; and a light detector coupled to, and configured to detect light from, the first output grating.