Wide Band Magneto-Optical Modulators In Advanced High Speed Optical Communication SystemsJournal: International Journal of Scientific & Technology Research (Vol.1, No. 5)
Publication Date: 2012-06-25
Authors : Ahmed Nabih Zaki Rashed;
Page : 23-30
Keywords : Magneto-optic modulation; Faraday rotation Effect; LiNbO3; YIG; and Ultra fast magnetic field.;
The technology involves a new type of compact device based on magneto-optics in a fiber micro modulator. This type of modulator allows the user to inter manipulate and control the propagation of the incoming light. The operation mechanism uses external magnetic field to manipulate Fe micro particle in order to cause modulation of an optical signal that propagates along an optical waveguide. This paper has presented yttrium iron garnet YIG and lithium niobate LiNbO3 which are examined for use as a wideband magneto-optic modulator. A wideband YIG modulator has recently been developed which represents a great improvement over other magneto -optic modulators.
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