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Interface modes for monolithic nonlinear photonics

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Abstract

A design methodology for obtaining versatile interface modes in monolithic structures is discussed. These modes are then utilized in conjunction with total internal reflection modes for phase-matching second-harmonic generation (SHG) in periodic layered media in AlxGa1x As material system. Typical loss values of 2.71cm1 for a TE-polarized pump and 4.26cm1 for a TM-polarized pump around 1550 nm were obtained. Nonlinear characterizations are carried out using 2 ps, 30 ps, and a continuous wave pump for type-I and type-II interactions. Maximum SHG conversion efficiency of 1.14×104%W1cm2 is observed for the type-II process with a pump power of 0.52 mW in a sample with a length of 2.0 mm.

© 2015 Optical Society of America

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