Centini, M.; et al.; Efficient nonlinear infrared parametric generation in one-dimensional photonic band gap structures; Optics Communications Volume 189, Issues 1–3, 1 March 2001, Pages 135-142; https://www.sciencedirect.com/science/article/abs/pii/S0030401801009944
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Using numerical methods and the effective index approach that we recently discussed in a separate publication, we show that it is possible to obtain highly efficient, phase matched nonlinear generation of infrared (3 μm) radiation in a one-dimensional photonic band gap structure. We predict conversion efficiencies that approach pump depletion in single-pass geometry, assuming χ⁽²⁾ values of order 100 pm/V, and pump intensities of order 100 MW/cm².
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