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Nonlinear photonic structures for all-optical deflection
2008
Photonic Crystal Materials and Devices VIII
We present a new type of photonic structures in quadratic nonlinear materials that enable efficient and continuous all-optical deflection. The structures are based on two-dimensional modulation of the nonlinear coefficient and consist of a set of symmetric or anti-symmetric arcs that form a periodic pattern in the propagation direction and a chirped pattern in the transverse direction. Stoichiometric lithium tantalite structures were tested by second harmonic generation. Varying the pump
doi:10.1117/12.780808
fatcat:iykiba5nsjbv7lhvba6fk5ehia