Complete and robust light transfer in three-waveguide coupler by shortcut to adiabaticity
Sign Up to like & getrecommendations! Published in 2020 at "AIP Advances"
DOI: 10.1063/5.0009717
Abstract: A novel design for complete transfer and robust three-waveguide coupler is presented in this paper, which employs shortcut to adiabaticity (STA) based on stimulated Raman adiabatic passage (STIRAP). Most recently, some remarkable papers on STA… read more here.
Keywords: transfer; waveguide coupler; shortcut adiabaticity; three waveguide ... See more keywords
Shortcut to adiabaticity in bent waveguide couplers with a sign flip of the phase mismatch.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.464837
Abstract: Bending the axis of a waveguide coupler can result in phase mismatch between the evanescently coupled waveguides. Using a bent waveguide coupler, we realize a shortcut to adiabatic light transfer between waveguides with a sign… read more here.
Keywords: bent waveguide; phase mismatch; waveguide coupler;
Equalization of RGB coupling efficiencies of metasurface waveguide coupler by adjusting imaginary part of refractive index.
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DOI: 10.1364/oe.517864
Abstract: Optical metasurfaces offer high-efficiency and flexible wavefront shaping for near-eye displays, especially in wideband waveguide couplers accommodating RGB primary colors. By leveraging the resonance characteristics of sub-wavelength periodic nanostructures, metasurfaces surpass the limitations of traditional… read more here.
Keywords: efficiency; rgb; diffraction; metasurface waveguide ... See more keywords
Optimized photon routing with a silicon 3 × 3 waveguide coupler device.
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DOI: 10.1364/oe.551702
Abstract: In integrated photonics, the precise control and routing of light signals is crucial. Conventionally, light routing in photonic devices is achieved using multi-mode interferometers and microresonators. An alternative approach is to use n × n waveguide couplers.… read more here.
Keywords: device; coupler; coupler device; optimized photon ... See more keywords
Metal-printing tunable interlayer waveguide coupler using low-loss fluorinated polycarbonate.
Sign Up to like & getrecommendations! Published in 2022 at "Optics letters"
DOI: 10.1364/ol.458641
Abstract: Tunable three-dimensional (3D) integrated optical waveguide chips with optical interconnection function are beneficial to expand the application of optical devices in a 3D integrated photonic module. Here, we propose a thermo-optic (TO) tunable interlayer waveguide… read more here.
Keywords: interlayer waveguide; tunable interlayer; metal printing; interlayer ... See more keywords
The perfect waveguide coupler with universal impedance matching and transformation optics
Sign Up to like & getrecommendations! Published in 2024 at "Nanophotonics"
DOI: 10.1515/nanoph-2023-0771
Abstract: Abstract Efficient energy transfer is crucial in electromagnetic communication. Therefore, producing a waveguide coupler that achieves broadband, nonreflective transmission is a challenging task. With the advancement of silicon-based integrated photonic circuits, fiber-to-chip coupling has become… read more here.
Keywords: universal impedance; optics; coupler; impedance matching ... See more keywords