Superconducting tin core fiber

Homa, Daniel; Liang, Yongxuan; Hill, Cary; Kaur, Gurbinder; Pickrell, Gary

doi:10.1007/s00339-014-8869-2

Cited by 4 publications

(3 citation statements)

References 22 publications

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“…Previous work by our group [4][5][6][7] showed that it is possible to draw superconductive YBCO, bismuth-strontium-calcium copper oxide and tin powders as well as a lead wire into glass fibres using a glass working lathe. These studies proved the possibility of manufacturing glass fibres with a superconductive core.…”

Section: Introductionmentioning

confidence: 99%

Reaction of $$\hbox {YBa}_{2}\hbox {Cu}_{3}\hbox {O}_{7-x}$$ (YBCO) and fused silica in YBCO glass fibres

2019

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This work introduces the first reported experiments on drawing YBa 2 Cu 3 O 7−x (YBCO) into fibres with a fused silica cladding using a fibre draw tower to manufacture YBCO glass fibres. These fibre draw experiments allowed manufacturing fibre sections with core diameters between 50 and 200 μm and a length of around 1.2 m. However, reactions between the fused silica cladding and the YBCO core were revealed by the fibre drawing process. Therefore, this study focusses on investigating these reactions (in as-drawn fibres as well as after additional heat-treatments) using energy dispersive spectroscopy analyses on an environmental scanning electron microscope as well as using X-ray photoelectron spectroscopy analyses and a cross-polarized light study. The results showed the formation of silica precipitations inside the as-drawn YBCO core, forming an interface layer between the core and the cladding regions, as well as the presence of a high silicon content inside the core with a possible silicate formation. Additional heat-treatments have shown the formation of silica and copper oxide co-precipitations at 900 • C. In addition, heat-treatments at higher temperatures have shown the occurrence of further reactions, which led to a degradation of the core and the formation of new phases. Keywords. YBa 2 Cu 3 O 7−x ; YBCO core glass fibres; YBCO-silica reaction phases; superconductor wires.

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Section: Introductionmentioning

confidence: 99%

Reaction of $$\hbox {YBa}_{2}\hbox {Cu}_{3}\hbox {O}_{7-x}$$ (YBCO) and fused silica in YBCO glass fibres

2019

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“…Moreover, these semiconductor fibers support integration with other fiber‐based components, such as fiber laser pump sources, opening a route to producing a wide range of robust and efficient systems for applications in nonlinear optics, [ 17 ] all‐optical signal processing, [ 18 ] and optoelectronics. [ 19 ] As well as elemental Si, [ 20 ] Ge, [ 21 ] and Sn [ 22 ] core materials, compound semiconductor core fibers (SCFs) such as SiGe [ 23 ] and SnSe [ 24 ] have also been fabricated, highlighting the versatility of the production processes. However, postprocess thermal treatments are generally required to enhance the material and optical qualities of as‐fabricated SCFs.…”

Section: Laser‐processed Fiber‐based Photonic Devicesmentioning

confidence: 99%

Laser Thermal Processing of Group IV Semiconductors for Integrated Photonic Systems

Aktaş

Peacock

2021

Advanced Photonics Research

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In the quest to expand the functionality and capacity of group IV semiconductor photonic systems, new materials and production methods are constantly being explored. In particular, flexible fabrication and postprocessing approaches that are compatible with different materials and allow for tuning of the components and systems are of great interest. Within this research area, laser thermal processing has emerged as an indispensable tool that can be applied to enhance and/or modify the material, structural, electrical and optical properties of group IV elemental and compound semiconductors at various stages of the production process. Herein, the recent progress made in the application of laser processing techniques to develop integrated semiconductor systems in both fiber‐ and planar‐based platforms is evaluated. Laser processing has allowed for the production of semiconductor waveguides with high crystallinity in the core and low optical losses, as well as postfabrication trimming of device characteristics and direct writing of tunable strain and composition profiles for bandgap engineering and optical waveguiding. For each platform, the current challenges and opportunities for the future development of laser‐processed integrated semiconductor photonic systems are presented.

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“…Other application areas in which in-fi ber electrodes become highly relevant lie within superconductivity or in fast polarization switching or modulation, where particularly the former can open up new fi elds for fi ber optics such as integrated single photon detection. [70][71][72][73][74] It is important to highlight here that electrical conductivity has also been achieved by relying on other materials than crystalline solids. Polymer nanocomposites made out of a thermoplastic matrix loaded with carbon black particles have been shown to be compatible with the thermal drawing process in a variety of confi gurations.…”

Section: Metallic Wires For Simultaneous Optical Guidance and Electrimentioning

confidence: 99%

Hybrid Optical Fibers – An Innovative Platform for In‐Fiber Photonic Devices

Schmidt

Argyros

Sorin

2015

Advanced Optical Materials

164

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The field of hybrid optical fibers is one of the most active research areas in current fiber optics and has the vision of integrating sophisticated materials inside fibers, which are not traditionally used in fiber optics. Novel in‐fiber devices with unique properties have been developed, opening up new directions for fiber optics in fields of critical interest in modern research, such as biophotonics, environmental science, optoelectronics, metamaterials, remote sensing, medicine, or quantum optics. Here the recent progress in the field of hybrid optical fibers is reviewed from an application perspective, focusing on fiber‐integrated devices enabled by including novel materials inside polymer and glass fibers. The topics discussed range from nanowire‐based plasmonics and hyperlenses, to integrated semiconductor devices such as optoelectronic detectors, and intense light generation unlocked by highly nonlinear hybrid waveguides.

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Superconducting tin core fiber

Cited by 4 publications

References 22 publications

Reaction of $$\hbox {YBa}_{2}\hbox {Cu}_{3}\hbox {O}_{7-x}$$ (YBCO) and fused silica in YBCO glass fibres

Reaction of $$\hbox {YBa}_{2}\hbox {Cu}_{3}\hbox {O}_{7-x}$$ (YBCO) and fused silica in YBCO glass fibres

Laser Thermal Processing of Group IV Semiconductors for Integrated Photonic Systems

Hybrid Optical Fibers – An Innovative Platform for In‐Fiber Photonic Devices

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