PERIODICALLY POLED OPTICAL WAVEGUIDE
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United States of America Patent
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Issued Date -
May 31, 2012
app pub date -
Nov 29, 2011
filing date -
Nov 30, 2010
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Abandoned
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Abstract
A periodically poled optical waveguide comprising a nonlinear optical crystalline material is provided having poled optical domains slanted with respect to direction of propagation of light within the waveguide. Light reflected from slanted poled optical domains does not couple efficiently back into the optical waveguide, which facilitates reduction of backreflection towards a semiconductor laser source coupled to the waveguide. Reduction of backreflections facilitates stable operation of the semiconductor laser source. A method of manufacturing of a periodically poled optical waveguide with slanted poled domains is also provided.
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