Slow-light enhanced backward second-harmonic generation in a lithium niobate photonic crystal

Iliew, RumenEtrich, ChristophPertsch, ThomasLederer, FalkKivshar, Yuri2015-12-1321 June 209781557528964http://hdl.handle.net/1885/71760We obtain greatly enhanced conversion efficiencies of backward second-harmonic generation by exploiting small group velocities at phase matching in a two-dimensional quadratically nonlinear photonic crystal. The efficiencies obtained from a modal approach are rigorously confirmed.Slow-light enhanced backward second-harmonic generation in a lithium niobate photonic crystal20102015-12-11