Photorefractive fiber storage, switching, interconnects, and the technological challenges

Francis T. S. Yu

doi:10.1117/12.166032

21 January 1994 Photorefractive fiber storage, switching, interconnects, and the technological challenges

Francis T. S. Yu

Proceedings Volume 2051, International Conference on Optical Information Processing; (1994) https://doi.org/10.1117/12.166032
Event: Optical Information Processing: International Conference, 1993, St. Petersburg, Russian Federation

Abstract

Recently, photorefractive fibers have been successfully grown in the Material Research Laboratory at Penn State. Long fibers of excellent optical quality are easier to grow, and the cost of growing these fibers is substantially less than the cost of growing an equivalent thick volume of bulk materials. In this invited paper, we shall briefly review some recent works done at Penn. State. First, a laser heated pedestal growth (LHPG) technique to grow single crystal PR fiber is described. Angular and wavelength selectivities for the fiber holograms are evaluated, in which we show that the reflection-type wavelength-multiplexed fiber holograms offer a uniform and higher selectivity. Application of the PR fiber holograms to optical memory, interconnects, switching, and the technological issues is given.

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Francis T. S. Yu "Photorefractive fiber storage, switching, interconnects, and the technological challenges", Proc. SPIE 2051, International Conference on Optical Information Processing, (21 January 1994); https://doi.org/10.1117/12.166032

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KEYWORDS

Holograms

Holography

Multiplexing

Crystals

Spatial light modulators

Switching

Diffraction

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