Electrical - Electronic Engineering / Elektrik - Elektronik Mühendisliği

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  • Article
    Citation - WoS: 7
    Citation - Scopus: 7
    Demonstration of Pulse Controlled All-Optical Switch/Modulator
    (The Optical Society, 2014) Akın, Osman; Dinleyici, Mehmet Salih
    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 × 10 -5) on the thin film leads to 0.374 nW power modulation at the fiber output, which results in a switching efficiency of ≈1.5%.