Patent ID: 8368162

Claim:
A laser power converter (LPC) for data detection and optical-to-electrical (O-E) power generation, comprising: a photodiode (PD) unit, wherein said PD unit comprises a PD, a first end and a second end; wherein said PD is obtained on an n-type distributed bragg reflector (n-DBR) and is separated with said n-DBR by a semi-insulation layer between said PD and said n-DBR; wherein said PD comprises a plurality of layers and said layers are serially connected and stacked to obtain an epi-structure having a p-i-n interface; wherein said layers of said PD comprises an etching stop layer, said etching stop layer being an un-doped first semiconductor located on said semi-insulation layer; a buffer layer, said buffer layer being an un-doped second semiconductor located on said etching stop layer; an n-type ohmic contact layer, said n-type ohmic contact layer being an n-type doped third semiconductor located on said buffer layer, said n-type ohmic contact layer having an n-type metal conductive layer; a transport layer, said transport layer being a fourth semiconductor located on said n-type said ohmic contact layer, said transport layer being selected from a group consisting of an un-doped semiconductor, an n-type graded doped semiconductor and a graded bandgap semiconductor; a graded bandgap layer, said graded bandgap layer being an un-doped fifth semiconductor located on said transport layer; a setback layer, said setback layer being an un-doped sixth semiconductor located on said graded bandgap layer; an absorption layer, said absorption layer being a p-type doped seventh semiconductor located on said setback layer; a diffusion block layer, said diffusion block layer being a p-type doped eighth semiconductor located on said absorption layer; and a p-type ohmic contact layer, said p-type ohmic contact layer being a p-type doped ninth semiconductor located on said diffusion block layer, said p-type ohmic contact layer having a p-type metal conductive layer; a load resistance, wherein said load resistance is coupled between said first end of said PD and said second end of said PD; and a direct-current to direct-current converter (DC-DC converter), wherein said DC-DC converter is coupled between said first end of said PD and said second end of said PD.