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Proceedings Paper

Contradirectional two-wave mixing in bulk and multimode fibers of iron doped lithium niobate
Author(s): Mohammad A. Saleh; Dean R. Evans; R. N. Shariff; Timothy Paul Pottenger; Lizhu Lu; Richard Stephen Meltzer; William M. Yen; Timothy J. Bunning; Shekhar Guha
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Paper Abstract

Contradirectional two-beam coupling was achieved using a single laser beam incident on fibers grown from congruent iron doped lithium niobate using the laser heated pedestal growth technique. To our knowledge, this is the first time that a grating has been written in a fiber using a single laser beam and its Fresnel reflection in a 180 degree(s) contradirectional two-beam coupling geometry. Beam-coupling efficiencies were compared as a function of beam spot size for fibers and bulk crystals. At small spot sizes, the fibers outperformed the bulk crystals by reducing the diffraction effect.

Paper Details

Date Published: 23 January 2002
PDF: 5 pages
Proc. SPIE 4459, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications VII, and Optical Data Storage, (23 January 2002); doi: 10.1117/12.454005
Show Author Affiliations
Mohammad A. Saleh, Air Force Research Lab. and Technical Management Concepts Inc. (United States)
Dean R. Evans, Air Force Research Lab. and Technical Management Concepts Inc. (United States)
R. N. Shariff, Air Force Research Lab. and Southwestern Ohio Council for Higher Education (United States)
Timothy Paul Pottenger, Air Force Research Lab. (United States)
Lizhu Lu, Air Force Research Lab. and Univ. of Georgia (United States)
Richard Stephen Meltzer, Air Force Research Lab. and Univ. of Georgia (United States)
William M. Yen, Air Force Research Lab. and Univ. of Georgia (United States)
Timothy J. Bunning, Air Force Research Lab. (United States)
Shekhar Guha, Air Force Research Lab. (United States)


Published in SPIE Proceedings Vol. 4459:
Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications VII, and Optical Data Storage
Shizhuo Yin; Francis T. S. Yu; Hans J. Coufal; Hans J. Coufal, Editor(s)

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