Study of a Broadband Difference Interferometer Based on Low-Cost Polymer Slab Waveguides [PDF]
Nanomaterials, 2019 A model and the waveguide parameters of a broadband, polymer-based slab waveguide difference interferometer is presented in this paper. The parameters were determined based on knowledge of the dispersion in the structure materials used to fabricate the ...
Kazimierz Gut
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Compact THz absorption spectroscopy using a LiNbO3 slot waveguide [PDF]
Light: Science & ApplicationsTHz spectroscopy is a powerful tool for studying a variety of samples, ranging from large biomolecules to solid-state materials. In cases where experimental space is limited or sample volumes are small, THz waveguides have been used to enable compact THz
Eric R. Sung, Keith A. Nelson
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Parametric optimization of the slot waveguide characteristics using a machine-learning approach [PDF]
Scientific ReportsSlot waveguides provide high electric field amplitude and optical power in low-index materials that are not possible with conventional waveguides. This specific property of the slot waveguide provides interaction between active material and electric ...
Yadvendra Singh +2 more
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Guided Optical Modes in Metal-Cladded Tunable Hyperbolic Metamaterial Slab Waveguides
Crystals, 2020 We have theoretically investigated metal-cladded waveguides of tunable hyperbolic metamaterial (THMM) cores, employing graphene sheets as a tunable layer, in terms of guided waves propagation over near- to mid-infrared range, following the effective ...
Marcin Kieliszczyk +2 more
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Lapping and Polishing of Crystalline KY(WO4)2: Toward High Refractive Index Contrast Slab Waveguides [PDF]
Micromachines, 2019 Rare-earth ion-doped potassium yttrium double tungstate, RE:KY(WO4)2, is a promising candidate for small, power-efficient, on-chip lasers and amplifiers.
Carlijn I. van Emmerik +3 more
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High-Q multimodal guided-surface lattice resonances in index-discontinuous environments [PDF]
Nature CommunicationsSurface lattice resonances (SLRs) in metasurfaces have become a transformative platform for subwavelength optical devices. However, current high quality-factor (high-Q) SLR implementations are fundamentally limited by their dependence on homogeneous ...
Suichu Huang +9 more
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Fabrication Process Development for Optical Channel Waveguides in Sputtered Aluminum Nitride [PDF]
MicromachinesAluminum nitride (AlN) is a wide-bandgap semiconductor (6.2 eV) with a broad transparency window spanning from the ultraviolet (UV) to the mid-infrared (MIR) wavelength region, making it a promising material for integrated photonics.
Soheila Mardani +4 more
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Symmetry-protected bound states in the continuum on an integrated photonic platform [PDF]
NanophotonicsBound states in the continuum (BICs) have attracted much attention in the field of nanophotonics owing to their ability to trap photons without loss. Recently, a low-refractive-index (RI) waveguide loaded on a high-RI slab structure was demonstrated to ...
Lu Qijing, Feng Ziyao, Sun Xiankai
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Broadband Polarization Rotator and Splitter Based on 70 nm-Etched Waveguides on SOI Platform
Photonics, 2022 The standard silicon photonic platforms provide three-step silicon etching, i.e., 220 nm for full etching, 70 nm for shallow etching, and 130 nm (or 150 nm) for slab etching.
Ye Tian +6 more
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APL Photonics, 2021 We present a paradigm for integrated photonic devices based on broadband slab-confined collimated beams that are launched with half-Maxwell fisheye lenses.
Daniel Headland +3 more
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