Optimal subwavelength design for efficient light trapping in central slit of plasmonics-based metal-semiconductor-metal photodetector

Masouleh, Farzaneh Fadakar and Das, Narottam and Rozati, Seyed Mohammad (2015) Optimal subwavelength design for efficient light trapping in central slit of plasmonics-based metal-semiconductor-metal photodetector. Optical and Quantum Electronics, 47 (6). pp. 1477-1485. ISSN 0306-8919

Abstract

We present the analysis of a novel plasmonics-based metal-semiconductor-metal photodetector that dramatically modifies the light transmission spectra when the subwavelength central slit is partly covered with a gold (Au) thin film. The simulation results reveal surface plasmons together with the optimized nano-gratings impact in this special design for quality light absorption inside the device active region. Finite-difference time domain method has been utilized to simulate the behavior of the proposed novel photodetector structure with significant improved light absorption capacity.


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Item Type: Article (Commonwealth Reporting Category C)
Refereed: Yes
Item Status: Live Archive
Additional Information: Files associated with this item cannot be displayed due to copyright restrictions.
Faculty / Department / School: Current - Faculty of Health, Engineering and Sciences - School of Mechanical and Electrical Engineering
Date Deposited: 07 Jun 2016 04:09
Last Modified: 10 Aug 2016 01:36
Uncontrolled Keywords: FDTD simulation; plasmonics-based MSM-PDs; subwavelength slit; surface plasmon polariton
Fields of Research : 09 Engineering > 0906 Electrical and Electronic Engineering > 090699 Electrical and Electronic Engineering not elsewhere classified
Socio-Economic Objective: B Economic Development > 89 Information and Communication Services > 8999 Other Information and Communication Services > 899999 Information and Communication Services not elsewhere classified
Identification Number or DOI: 10.1007/s11082-015-0126-1
URI: http://eprints.usq.edu.au/id/eprint/28455

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