NDLI: A novel blue-enhanced photodetector using honeycomb structure

Content Provider	IEEE Xplore Digital Library
Author	Ghasemi, J. Chowdhury, A.J. Neumann, A. Fahs, B. Hella, M. Brueck, S.R.J. Zarkesh-Ha, P.
Copyright Year	2015
Description	Author affiliation: Dept. of Electr., Comput. & Syst. Eng., Rensselaer Polytech. Inst., Troy, NY, USA (Chowdhury, A.J.; Fahs, B.; Hella, M.) \|\| Dept. of Electr. & Comput. Eng., Univ. of New Mexico, Albuquerque, NM, USA (Ghasemi, J.; Neumann, A.; Brueck, S.R.J.; Zarkesh-Ha, P.)
Abstract	In this paper, we present a honeycomb structure to maximize the edge-length in the detector and therefore enhance the detector responsivity in the blue region of the spectrum. A layout of a prototype honeycomb detector was designed and fabricated on a silicon wafer using a standard CMOS process. Based on our measured spectral response, the honeycomb structure improves the photocurrent in blue by about 60%. Moreover, the honeycomb detector demonstrates 20% less dark current than in conventional detector. Simulation results using MEDICI confirm the measured data.
Sponsorship	IEEE
Starting Page	1
Ending Page	3
File Size	1306057
Page Count	3
File Format	PDF
e-ISBN	9781479982035
DOI	10.1109/ICSENS.2015.7370557
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-11-01
Publisher Place	South Korea
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Detectors Photodetectors Image edge detection Photonics Honeycomb structures Silicon Current measurement honeycomb sensors smart lighting CMOS-compatible optical sensor blue-enhanced photodetector responsivity absorption length
Content Type	Text
Resource Type	Article

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