Low-loss optical waveguides made with a high-loss material
Based on subwavelength gratings, here, we show that it is possible to create broadband, multimode waveguides with very low propagation losses despite using a strongly absorbing material.
Ultra-low-loss high-aspect-ratio Si N waveguides
D. Dai, J. F. Bauters, M. Tien, M. Heck, D. Blumenthal, and J. E. Bowers, “Polarization characteristics of low-loss nano-core buried optical waveguides and directional couplers,” in Proceedings of GFP
Low-loss planar optical waveguides based on plasma deposited
One of the insights of the ATR FTIR investigations presented in section two is that a low SiH4/CH4ratio is preferable, because Si-H bonds absorbing in the optical C band are less pronounced in this case.
Biocompatible and Implantable Hydrogel Optical Waveguide with Lens
In this study, we propose a high-transparency hydrogel-based optical planar waveguide with lens-microneedles as a novel light delivery platform for in vitro evaluation of the effect upon
Low-loss optical waveguides made with a high-loss material
tegrated waveguides that consist of pairs of integrated high-index-contrast gratings. To showcase this concept, we demonstrate guiding of visible light in the wavelength range of 550–650
Low losses Er3+-doped flexible planar waveguide: Toward an all-glass
In this paper an effective top-down route is developed to fabricate SiO 2 –HfO 2:Er 3+ planar waveguides with mechanical flexibility and low optical losses via RF-sputtering.
Low-loss optical waveguides made with a high-loss material
modulators14, semiconductor optical amplifiers15 and travelling wave resonators16,17. Most waveguides are based on total internal reflection (TIR) and onsist of a high-refractive-index
Waveguide (optics)
An optical waveguide is a physical structure that guides electromagnetic waves in the optical spectrum. Common types of optical waveguides include optical fiber
A Comparison of Approaches for Ultra-Low-Loss Waveguides
Abstract: We compare ultra-low-loss silica waveguides with PECVD SiO2, borophosphosilicate glass (BPSG), and wafer-bonded thermal oxide upper claddings. We demonstrate fiber-like (0.045 dB/m)
Endless single-polarization single-mode photonic-crystal planar
Ultra-low transmission loss condition in PCPW arrays under SPSM operation has been studied. In this paper, single-polarization single-mode (SPSM) optical waveguides of ultra-broad
Low-loss planar optical waveguides fabricated from polycarbonate
Low-loss slab waveguides with air as overcladding based on a high glass transition temperature (Tg) polycarbonate were fabricated through spin-coating. Optical absorption and thermo-optic coefficient
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