Simulation of photodetection using FDTD method with application to near-field subwavelength imaging based on nanoscale semiconductor photodetector array

Ki Young Kim, Yingyan Huang, Boyang Liu, Seng Tiong Ho

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Simulation of detecting photoelectrons using FDTD method with an application to near-field subwavelength imaging based on nanoscale semiconductor photodetector array is reported. Spatial distributions for the electric field and photoelectron density have been obtained and the photocurrents from the photoelectrons have been calculated for the nanoscale photodetector array. The resolution of this novel device for subwavelenegth imaging can be achieved down to one tenth of the operating wavelength, which is comparable to commercial near-field scanning optical microscope.

Original languageEnglish (US)
Title of host publication2007 International Conference on Numerical Simulation of Semiconductor Optoelectronic Devices - NUSOD'07
Pages61-62
Number of pages2
DOIs
StatePublished - 2007
Event2007 International Conference on Numerical Simulation of Semiconductor Optoelectronic Devices - NUSOD'07 - Newark, DE, United States
Duration: Sep 24 2007Sep 28 2007

Publication series

Name2007 International Conference on Numerical Simulation of Semiconductor Optoelectronic Devices - NUSOD'07

Other

Other2007 International Conference on Numerical Simulation of Semiconductor Optoelectronic Devices - NUSOD'07
Country/TerritoryUnited States
CityNewark, DE
Period9/24/079/28/07

Keywords

  • FDTD simulation
  • Nanoscale photodetector
  • Photocurrent
  • Subwavelength resolution

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials

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