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We demonstrate an extremely compact bend for a photonic crystal waveguide supporting three spatial modes. The bend exhibits nearly 100% transmission over a relative bandwidth of 1% with less than 1% c...
We demonstrate numerically that sharp 90°bends and T-splitters can be designed in plasmonic coaxial waveguides at deep-subwavelength scale to operate without reflection and radiation over a broa...
We illustrate two As2S3 waveguide designs for four-wave mixing, which can generate 3.03 μm mid-infrared light from a 1.55 μm near-infrared signal source and a 2.05 μm pump source. Through simulations,...
GaP terahertz (THz) two-dimensional (2D) photonic crystal (PC) waveguides with line defects were fabricated using inductively-coupled plasma reactive-ion etching (ICP-RIE) in Ar/Cl2 gas chemistries. T...
We propose a scheme for on-chip isolation in chalcogenide(As2S3) rib waveguides, in which Stimulated Brillouin Scattering is used to induce non-reciprocal mode conversion within a multi-moded waveguid...
Planar optical waveguides are the key elements in a modern, high-speed optical network. An important problem facing the optical fiber communication system, specifically planar optical waveguides, is c...
We use metamaterials with extreme anisotropy to solve the fundamental problem of light transport in deep subwavelength apertures. By filling a simply connected aperture with an anisotropic mediu...
Athermal AWGs in SOI are experimentally demonstrated for the first time to our knowledge. By using narrowed arrayed waveguides and overlaying of polymer, we obtain a wavelength temperature dependence ...
Subwavelength horizontal Al/SiO 2 /Si/SiO 2 /Al plasmonic slot waveguides with SiO 2 width at each side of 15 nm and Si width of 136, 87, and 43 nm are fabricated on SO...
We constructed the first CW pumped degenerate parametric amplifier based on PPLN waveguides. We successfully demonstrated an in-phase gain of +11 dB and the phase sensitive amplification of a modulate...
We propose and experimentally demonstrate a novel scheme of phase-sensitive wavelength conversion, based on a combination of cascaded second-order nonlinear effects in two cascaded periodically poled ...
A novel type of optical polarizer based on silicon-on-insulator shallowly-etched ridge waveguide is designed,fabricated and characterized. The present polarizer is compact, broad-band, and easy-fabric...
A novel hybrid plasmonic waveguide based on a triangular metal wedge is proposed. The structure could achieve ultra-deep-subwavelength mode confinement with low-loss, while its mode properties are sti...
The paper presents the results of investigation which demonstrate the possibilities to shape refractive index profiles of planar waveguides produced in glass using the ion exchange technique with the ...
We extend the input-output formalism of quantum optics to analyze few-photon transport in waveguides with an embedded qubit. We provide explicit analytical derivations for one- and two-photon scatteri...

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