Ravi D Bhat
Affiliation: Columbia University
- Enhancing the signal-to-noise ratio of an infrared photodetector with a circular metal gratingRavi D Bhat
Department of Applied Physics and Applied Mathematics, Columbia University, New York, New York 10027, USA
Opt Express 16:4588-96. 2008..7. In the case of the circular grating, this result is achieved with more than 400 times as much light absorbed in the hole as with a metal film but no grating...