NDLI: Double Pin Photodiodes with Two Optical Gate Connections for Light Triggering

Content Provider	IEEE Xplore Digital Library
Author	Vieira, M.A. Vieira, M. Costa, J. Louro, P. Fernandes, M.
Copyright Year	2010
Abstract	Light-activated multiplexer/demultiplexer silicon-carbon devices are analyzed. An electrical model for the device operation is presented and used to compare output signals with experimental data. An algorithm that takes into accounts the voltage and the optical bias controlled sensitivities are developed. The device is a double pi’n/pin a-SiC:H heterostructure with two optical gate connections for light triggering in different spectral regions. Multiple monochromatic pulsed communication channels were transmitted together, each one with a specific bit sequence. The combined optical signal was analyzed by reading out, under different applied voltages and optical bias, the generated photocurrent across the device. Experimental and simulated results show that the output multiplexed signal has a strong nonlinear dependence on the light absorption profile, i.e., on the incident light wavelength, bit rate and intensity under unbalanced light generation of carriers. By switching between positive and negative voltages the input channels can be recovered or removed.
Starting Page	135
Ending Page	139
File Size	985243
Page Count	5
File Format	PDF
ISBN	9781424474745
e-ISBN	9781424474738
DOI	10.1109/SENSORDEVICES.2010.32
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-07-18
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical fibers Multiplexing Optical communications Stimulated emission Optical amplifiers Optical sensors Electrical simulation Nonlinear optics Wavelength division multiplexing-demultiplexing Optical devices
Content Type	Text
Resource Type	Article

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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