Silicon-in-silica spheres via axial thermal gradient in-fibre capillary instabilities

Alexander Gumennik, Lei Wei, Guillaume Lestoquoy, Alexander M. Stolyarov, Xiaoting Jia, Paul H. Rekemeyer, Matthew J. Smith, Xiangdong Liang, Benjamin J.-B. Grena, Steven G. Johnson, Silvija Gradečak, Ayman F. Abouraddy, John D. Joannopoulos and Yoel Fink ()
Additional contact information
Alexander Gumennik: Research Laboratory of Electronics, Massachusetts Institute of Technology
Lei Wei: Research Laboratory of Electronics, Massachusetts Institute of Technology
Guillaume Lestoquoy: Research Laboratory of Electronics, Massachusetts Institute of Technology
Alexander M. Stolyarov: Research Laboratory of Electronics, Massachusetts Institute of Technology
Xiaoting Jia: Research Laboratory of Electronics, Massachusetts Institute of Technology
Paul H. Rekemeyer: Massachusetts Institute of Technology
Matthew J. Smith: Massachusetts Institute of Technology
Xiangdong Liang: Massachusetts Institute of Technology
Benjamin J.-B. Grena: Research Laboratory of Electronics, Massachusetts Institute of Technology
Steven G. Johnson: Research Laboratory of Electronics, Massachusetts Institute of Technology
Silvija Gradečak: Massachusetts Institute of Technology
Ayman F. Abouraddy: CREOL, The College of Optics & Photonics, University of Central Florida
John D. Joannopoulos: Research Laboratory of Electronics, Massachusetts Institute of Technology
Yoel Fink: Research Laboratory of Electronics, Massachusetts Institute of Technology

Nature Communications, 2013, vol. 4, issue 1, 1-8

Abstract: Abstract The ability to produce small scale, crystalline silicon spheres is of significant technological and scientific importance, yet scalable methods for doing so have remained elusive. Here we demonstrate a silicon nanosphere fabrication process based on an optical fibre drawing technique. A silica-cladded silicon-core fibre with diameters down to 340 nm is continuously fed into a flame defining an axial thermal gradient and the continuous formation of spheres whose size is controlled by the feed speed is demonstrated. In particular, spheres of diameter

Date: 2013
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DOI: 10.1038/ncomms3216

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