Designing optical-fiber modulators by using magnetic fluids
Optics Letters, Vol. 30, Issue 5, pp. 543-545 (2005)
http://dx.doi.org/10.1364/OL.30.000543
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Abstract
To reduce interface loss between optical fibers and devices in telecommunication systems, the development of an optical-fiber-based device that can be fused directly with fibers is important. A novel optical modulator consisting of a bare fiber core surrounded by magnetic fluids instead of by a SiO2 cladding layer is proposed. Applying a magnetic field raises the refractive index of the magnetic fluid. Thus we can control the occurrence of total reflection at the interface between the fiber core and the magnetic fluid when light propagates along the fiber. As a result, the intensity of the outgoing light is modulated by variation in field strength. Details of the design, fabrication, and working properties of such a modulator are presented.
© 2005 Optical Society of America
OCIS Codes
(060.2340) Fiber optics and optical communications : Fiber optics components
(160.3820) Materials : Magneto-optical materials
(230.4110) Optical devices : Modulators
Citation
H. E. Horng, J. J. Chieh, Y. H. Chao, S. Y. Yang, Chin-Yih Hong, and H. C. Yang, "Designing optical-fiber modulators by using magnetic fluids," Opt. Lett. 30, 543-545 (2005)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-30-5-543
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