Tapered silicon optical fibers

N. Healy, J. R. Sparks, P. J.A. Sazio, J. V. Badding, A. C. Peacock

Research output: Contribution to journalArticlepeer-review

37 Scopus citations


The tapering of silicon optical fibers is demonstrated using a fusion splicer. The silicon fibers are fabricated using a high pressure chemical deposition technique to deposit an amorphous silicon core inside a silica capillary and the tapering is performed in a separate post-process. Optical and material characterization has revealed a smooth transition region leading to a uniform tapered waist that are both simultaneously crystallized to yield a solid polysilicon core. The strong mode confinement and low taper loss measured in the silicon fibers verifies this tapering approach for the fabrication of structures with nanoscale core dimensions.

Original languageEnglish (US)
Pages (from-to)7596-7601
Number of pages6
JournalOptics Express
Issue number8
StatePublished - Apr 12 2010

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics


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