The invention relates to an optical device. The optical device comprises a waveguide core and a nanocomposite material optically coupled to the waveguide core. The nanocomposite material includes a plurality of quantum dots. The nanocomposite material has a nonlinear index of refraction that is at least 10-9 cm2/W when irradiated with an activation light having a wavelength between approximately 310-5 cm and 210-4 cm.

 
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