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We demonstrated electrical tuning of optical antennas over a broad wavelength range (~1100 nm, ~20% of the resonance frequency) and achieved optical modulators at the mid-infrared wavelength range with nanosecond response time.
We experimentally demonstrate an efficient coupler between a silicon waveguide and a hybrid plasmonic waveguide for the wavelength range 1460-1540 nm. Such compact, efficient plasmonic couplers provide a promising platform for integrated photonic circuits.
Slot waveguides formed either in high-index dielectrics or in metals attract great interest because they provide sub-wavelength confinement in the slot region. While this feature is very attractive for devices relying on stimulated emission or nonlinear effects, it does not necessarily improve the integration density. The spacing between dielectric slot waveguides is still limited by diffraction....
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