Designing optical-fiber modulators by using magnetic fluids

H. E. Horng, J. J. Chieh, Y. H. Chao, S. Y. Yang, Chin Yih Hong, H. C. Yang

Research output: Contribution to journalArticle

77 Citations (Scopus)

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.

Original languageEnglish
Pages (from-to)543-545
Number of pages3
JournalOptics Letters
Volume30
Issue number5
DOIs
Publication statusPublished - 2005 Mar 1

Fingerprint

Optical Fibers
modulators
optical fibers
Telecommunications
Light
Optical Devices
Refractometry
fibers
fluids
Magnetic Fields
Equipment and Supplies
telecommunication
field strength
occurrences
refractivity
fabrication
magnetic fields

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Designing optical-fiber modulators by using magnetic fluids. / Horng, H. E.; Chieh, J. J.; Chao, Y. H.; Yang, S. Y.; Hong, Chin Yih; Yang, H. C.

In: Optics Letters, Vol. 30, No. 5, 01.03.2005, p. 543-545.

Research output: Contribution to journalArticle

Horng, H. E. ; Chieh, J. J. ; Chao, Y. H. ; Yang, S. Y. ; Hong, Chin Yih ; Yang, H. C. / Designing optical-fiber modulators by using magnetic fluids. In: Optics Letters. 2005 ; Vol. 30, No. 5. pp. 543-545.
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