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Optimal poling of nonlinear photonic crystals for frequency conversion
2003
Optics Letters
Nonlinear photonic crystals formed by two-dimensional periodic poling of the quadratic susceptibility x ͑2͒ can support quasi-phase-matched harmonic generation. The frequency-conversion efficiency depends on the photonic crystal's poling pattern through certain Fourier coefficients of the poling function. A procedure is described for finding those poling patterns that are most efficient for any specific quasi-phase-matched frequencyconversion scheme.
doi:10.1364/ol.28.000188
pmid:12656327
fatcat:bv7jq6l32nepxopbo2v4i3lbsy