Apparatus and method for optical sensing using an optoelectronic device and optoelectronic device arrays

An optoelectronic device, comprising:

• a silicon material including a first doped region and a second doped region forming a high-field junction region;
• a reflective diffractive region coupled to and separated from the silicon material with a dielectric layer and positioned to interact with electromagnetic radiation;
• a backside illuminated structure;
• and
• an optical element positioned to focus or direct incident electromagnetic radiation through an aperture in the reflective diffractive region.