NDLI: Zero-bias optically controlled RF switch in 0.13µm CMOS technology

Content Provider	IEEE Xplore Digital Library
Author	Gonzalez, J.M. Baillargeat, D. Delhote, N. Roy, L. McGarry, S.
Copyright Year	2011
Description	Author affiliation: XLIM - UMR CNRS 6172, University of Limoges, 123 Av. Albert Thomas 87060. France (Gonzalez, J.M.; Baillargeat, D.; Delhote, N.) \|\| Department of Electronics, Carleton University, 1125 Colonel By Drive K1S 5B6, Ottawa, Ontario, Canada (Roy, L.; McGarry, S.)
Abstract	For the first time, we demonstrate an optically controlled passive RF switch realized in a common Si CMOS technology. Simulation results have been shown and a fabricated 230 µm × 240 µm chip has been measured. The newly developed switch is capable of working up to several GHz. Experimental results at 2 GHz show more than 20dB change in insertion loss between light and dark illumination states (varying from −30dB to −6.8dB). Application of a slight external DC bias reduces the ON state insertion loss to only 1.8 dB. Such bias could be easily produced in a future iteration by adding another photodiode to the circuit. This work opens a new frontier by combining commonly available IC technologies with optical control and high frequency devices.
Starting Page	441
Ending Page	444
File Size	784674
Page Count	4
File Format	PDF
ISBN	9781612847160
e-ISBN	9781612847184
DOI	10.1109/MWP.2011.6088766
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-10-18
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical switches Radio frequency Switching circuits CMOS integrated circuits Transistors Semiconductor device measurement Photodiodes Zero-biased RF switch optical control Si CMOS
Content Type	Text
Resource Type	Article

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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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