Abstract
An all-optical pulse controlled switch/modulator based on evanescent coupling between a polymer slab waveguide and a single mode fiber is demonstrated. Very fast all-optical modulation/switching is achieved via Kerr effect of the nonlinear polymer placed in the evanescent region of the optical fiber. Local refractive index perturbation () on the thin film leads to 0.374 nW power modulation at the fiber output, which results in a switching efficiency of .
© 2014 Optical Society of America
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