4 January 1990 A Theory For Efficient Second Harmonic Generation And The Formation Of Hill Gratings In Germanosilicate Fibers
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Abstract
Since the discovery by Osterberg and Margulis of efficient second harmonic generation in germanosilicate fibers, there have been several explanations put forth for this effect. Theoretical models which are based on either 1) structural changes in the glass(3), 2) the orienting of "defects" by x(3) generated dc fields, 3) the orientation of enclathrated GeO, and 4) core cladding interface effects have emerged. With the exception of the last proposal, all of the theoretical models assume that a macroscopic composite χ(2)(2ω) results due to optical excitation.
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Nabil M. Lawandy, Nabil M. Lawandy, } "A Theory For Efficient Second Harmonic Generation And The Formation Of Hill Gratings In Germanosilicate Fibers", Proc. SPIE 1148, Nonlinear Optical Properties of Materials, (4 January 1990); doi: 10.1117/12.962156; https://doi.org/10.1117/12.962156
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