Title

Light absorption enhancement in metal-semiconductor-metal photodetectors using plasmonic nanostructure gratings

Document Type

Conference Proceeding

Publisher

HONET

Faculty

Computing, Health and Science

School

Electron Science Research Institute

RAS ID

8590

Comments

This article was originally published as: Das, N. K., Tan, C., Lysak, V., Alameh, K. , & Lee, Y. T. (2009). Light absorption enhancement in metal-semiconductor-metal photodetectors using plasmonic nanostructure gratings. Proceedings of 6th International Symposium on High Capacity Optical Networks and Enabling Technologies. (pp. HS6-3). Alexandria, Egypt. Original article available here

Abstract

In this paper, we adopt the finite difference time-domain (FDTD) method to optimize the absorption of a novel metal-semiconductor-metal photodetector (MSM-PD) structure based on the use of a double-layer nanostructured metal grating. The metal fingers of the MSM-PDs are etched with appropriate depths to maximize light absorption through plasmonic effects. Simulation results show 40 times enhancement in 980 nm light trapping due to extraordinary optical signal propagation through the nanostructured double-metal grating, in comparison to conventional MSM-PDs.

DOI

10.1109/HONET.2009.5423095

 

Link to publisher version (DOI)

10.1109/HONET.2009.5423095