We present several approaches for orders-of-magnitude enhancement of optical nonlinearities in specially engineered
nanostructures containing graphene and other 2D materials and illustrate how they apply to second- and third-harmonic
generation in such 2D-3D photonic heteromaterials. Applications to active photonic devices, such as nonlinear optical
gratings, are discussed as well.
Jian Wei You and Nicolae C. Panoiu, "Enhanced optical nonlinearities in 2D-3D heteromaterials," Proc. SPIE 10345, Active Photonic Platforms IX, 1034512 (Presented at SPIE Nanoscience + Engineering: August 08, 2017; Published: 24 August 2017); https://doi.org/10.1117/12.2273123.
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