Low loss silicon fibers for photonics applications

Lagonigro, Laura; Healy, Noel; Sparks, Justin R.; Baril, Neil F.; Sazio, Pier J. A.; Badding, John V.; Peacock, Anna C.
January 2010
Applied Physics Letters;1/25/2010, Vol. 96 Issue 4, p041105
Academic Journal
Silicon fibers are fabricated using a high pressure chemical deposition technique to deposit the semiconductor material inside a silica capillary. The silicon is deposited in an amorphous state into pure silica capillaries and can be crystallized to polysilicon after the deposition via a high temperature anneal. Optical transmission measurements of various amorphous and polycrystalline core materials were performed in order to determine their linear losses. Incorporating silicon functionality inside the fiber geometry opens up new possibilities for the next generation of integrated silicon photonics devices.


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