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 (Δn=1.45612×105) on the thin film leads to 0.374 nW power modulation at the fiber output, which results in a switching efficiency of 1.5%.

© 2014 Optical Society of America

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