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Vol. 105, Issue 6, June 2009, pp.50-55





Design and Modeling a New Optical Modulator


Mohammad MEZAAEL

Department of Electrical and Computer Engineering,

Windsor University, Windsor, Ontario Canada

Tel: +1-519-253 3000

E-mail: mezaael@uwindsor.ca



Received: 24 February 2009   /Accepted: 22 June 2009   /Published: 30 June 2009


Abstract: A new opt modulator device using a Silicon Schottky Photodiode Device (s.s.p.d) is proposed. The s.s.p.d. is fabricated in laboratory and has been used to mix an intensity modulated laser beam with a high frequency. The effects of modulating the high frequency signal before mixing on the photovoltage enhancement of the s.s.p.d is studied. A significant reduction in the required drive level of the high frequency input signal was achieved. Such a mixer could be use in radar and other communication systems.


Keywords: Optical modulator; Silicon Schottky photodiode device


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