Progress in crystalline semiconductor core optical fibers

J. Ballato; T. Hawkins; P. Foy; C. McMillen; R. Stolen; R. Rice

doi:10.1117/12.846767

25 February 2010 Progress in crystalline semiconductor core optical fibers

J. Ballato, T. Hawkins, P. Foy, C. McMillen, R. Stolen, R. Rice

Proceedings Volume 7598, Optical Components and Materials VII; 759815 (2010) https://doi.org/10.1117/12.846767
Event: SPIE OPTO, 2010, San Francisco, California, United States

Abstract

Recently developed glass-clad crystalline semiconductor core optical fibers potentially offer a series of advantages over present optical fiber materials including greatly enhanced Raman cross-sections and extended infrared transparency. Indeed, the low-cost high-through-put fiberization of crystalline materials could permit a step-jump in performance critical for use in high energy laser, infrared counter-measure, communication, and sensor systems. Further, the high degree of crystallinity is of considerable scientific value since optical fiber fabrication is a highly non-equilibrium process and so achieving high degrees of crystallinity is very counter-intuitive and offers new insight into crystal growth mechanisms. This talk will review progress in glass-clad fibers possessing cores of highly crystalline silicon and germanium including anomalies in Si and Ge that may benefit fiber fabrication as well as paths forward to optimization of fiber design and performance.

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J. Ballato, T. Hawkins, P. Foy, C. McMillen, R. Stolen, and R. Rice "Progress in crystalline semiconductor core optical fibers", Proc. SPIE 7598, Optical Components and Materials VII, 759815 (25 February 2010); https://doi.org/10.1117/12.846767

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KEYWORDS

Optical fibers

Crystals

Germanium

Silicon

Single crystal X-ray diffraction

Cladding

Raman spectroscopy

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