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Assessment of amplifying effects of ridges spacing and height on nano-structured MSM photo-detectors

Abstract

This paper presents the light transmission efficiency of metal–semiconductor–metal photo-detectors (MSM-PDs) using finite difference time-domain method. The absorption of MSM PDs can be enhanced with the aid of nano-grating coupled surface plasmon resonances at the design wavelength. The simulated results show that the light absorption enhancement of nano-grating assisted MSM-PD is \(\sim \)9-times better than the conventional MSM-PD.

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Correspondence to Hamid Reza Mashayekhi.

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Masouleh, F.F., Das, N. & Mashayekhi, H.R. Assessment of amplifying effects of ridges spacing and height on nano-structured MSM photo-detectors. Opt Quant Electron 47, 193–201 (2015). https://doi.org/10.1007/s11082-014-9900-8

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  • DOI: https://doi.org/10.1007/s11082-014-9900-8

Keywords

  • Subwavelength aperture
  • Duty cycle
  • Nano-grating
  • Surface plasmon polaritons
  • FDTD simulation
  • MSM-PDs