DataVXAdvanced Optical MaterialsPaper
journal article·2021-11

Fiber‐Integrated Phase Change Metasurfaces with Switchable Group Delay Dispersion

Tiago Martins, Yihao Cui, Behrad Gholipour, Jun‐Yu Ou, Orlando Frazão, Kevin F. MacDonald

Advanced Optical Materials· Volume 9· Issue 21
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Source abstract

Abstract

Abstract Demonstration of a fiber‐integrated non‐volatile reconfigurable metasurface providing high‐contrast group delay dispersion switching functionality is reported, which may be engineered to operate at wavelengths across the near‐infrared (telecoms) band. Light‐induced amorphous‐crystalline phase switching in a chalcogenide (germanium antimony telluride) metasurface, only a fraction of a wavelength thick, fabricated on the end‐facet of a single‐mode optical fiber, enables intensity and phase modulation of the guided wave at metasurface designated bands. Such devices present a range of opportunities in fiberized remotely programmable phase/intensity multiplexing and dynamic dispersion compensation for emerging telecommunications and data storage/processing applications, including in photonic neural network and neuromorphic computing architectures.
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Research context

OpenAlex topics: Neural Networks and Reservoir Computing · Photonic and Optical Devices · Metamaterials and Metasurfaces Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

INESC TEC and Department of Physics and Astronomy Faculty of Sciences University of Porto Rua do Campo Alegre 687 Porto 4150‐179 Portugal

Nanoscale Optics Lab Department of Electrical and Computer Engineering University of Alberta Edmonton T6G 1H9 Canada

Optoelectronics Research Centre and Centre for Photonic Metamaterials University of Southampton Southampton SO17 1BJ UK

Department of Chemistry University of Southampton Southampton SO17 1BJ UK

Funding

Engineering and Physical Sciences Research Council · Alberta Innovates · Ministry of Education - Singapore · Fundação para a Ciência e a Tecnologia

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