Roadmap on photonic metasurfaces

Schulz, Sebastian A.; Oulton, Rupert. F.; Kenney, Mitchell; Alù, Andrea; Staude, Isabelle; Bashiri, Ayesheh; Fedorova, Zlata; Kolkowski, Radoslaw; Koenderink, A. Femius; Xiao, Xiaofei; Yang, John; Peveler, William J.; Clark, Alasdair W.; Perrakis, George; Tasolamprou, Anna C.; Kafesaki, Maria; Zaleska, Anastasiia; Dickson, Wayne; Richards, David; Zayats, Anatoly; Ren, Haoran; Kivshar, Yuri; Maier, Stefan; Chen, Xianzhong; Ansari, Muhammad Afnan; Gan, Yuhui; Alexeev, Arseny; Krauss, Thomas F.; Di Falco, Andrea; Gennaro, Sylvain D.; Santiago-Cruz, Tomás; Brener, Igal; Chekhova, Maria V.; Ma, Ren-Min; Vogler-Neuling, Viola V.; Weigand, Helena C.; Talts, Ülle-Linda; Occhiodori, Irene; Grange, Rachel; Rahmani, Mohsen; Xu, Lei; Kamali, S. M.; Arababi, E.; Faraon, Andrei; Harwood, Anthony C.; Vezzoli, Stefano; Sapienza, Riccardo; Lalanne, Philippe; Dmitriev, Alexandre; Rockstuhl, Carsten; Sprafke, Alexander; Vynck, Kevin; Upham, Jeremy; Alam, M. Zahirul; De Leon, Israel; Boyd, Robert W.; Padilla, Willie J.; Malof, Jordan M.; Jana, Aloke; Yang, Zijin; Colom, Rémi; Song, Qinghua; Genevet, Patrice; Achouri, Karim; Evlyukhin, Andrey B.; Lemmer, Ulrich; Fernandez-Corbaton, Ivan

doi:10.1063/5.0204694

Applied Physics Letters

2024

DOI: 10.1063/5.0204694

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Roadmap on photonic metasurfaces

Sebastian A. Schulz,

Rupert. F. Oulton,

Mitchell Kenney

et al.

Abstract: Here we present a roadmap on Photonic metasurfaces. This document consists of a number of perspective articles on different applications, challenge areas or technologies underlying photonic metasurfaces. Each perspective will introduce the topic, present a state of the art as well as give an insight into the future direction of the subfield.

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Cited by 15 publications

References 1,131 publications

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Spin‐Orbit‐Locking Vectorial Metasurface Holography

Yu,

Gao,

Yao

et al. 2024

Advanced Materials

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Vectorial metasurface holography, allowing for independent control over the amplitude, phase, and polarization distribution of holographic images enabled by metasurfaces, plays a crucial role in the realm of optical display, optical, and quantum communications. However, previous research on vectorial metasurface holography has typically been restricted to single degree of freedom input and single channel output, thereby demonstrating a very limited modulation capacity. This work presents a novel method to achieve multi‐channel vectorial metasurface holography by harnessing spin‐orbit‐locking vortex beams. In each channel, the optical vectorial field is encoded with a pair of total angular momentums (TAMs) featuring two orthogonal spin angular momentums (SAMs) independently locked with arbitrary orbital angular momentums (OAMs). The methodology relies on a modified Gerchberg‐Saxton algorithm, enabling the encoding of various TAM channels within a single phase profile. Consequently, a pure geometry‐phase metasurface with a non‐interleaved approach can be used to support such multi‐channel vectorial holography, achieving high selectivity of both SAM and OAM, and offering precise routing and manipulation of complex light channels. The work presents a paradigm shift in the field of holography, offering promising avenues for high‐density optical information processing and future photonic device design.

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Spin‐Orbit‐Locking Vectorial Metasurface Holography

Yu,

Gao,

Yao

et al. 2024

Advanced Materials

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A Framework to Compute Resonances Arising from Multiple Scattering

Fischbach,

Betz,

Asadova

et al. 2024

Advcd Theory and Sims

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Numerous natural and technological phenomena are governed by resonances. In nanophotonics, resonances often result from the interaction of several optical elements. Controlling these resonances is an excellent opportunity to provide light with properties on demand for applications ranging from sensing to quantum technologies. The inverse design of large, distributed resonators, however, is typically challenged by high computational costs when discretizing the entire system in space. Here, this limitation is overcome by harnessing prior knowledge about the individual scatterers that form the resonator and their interaction. In particular, a transition matrix multi‐scattering framework is coupled with the state‐of‐the‐art adaptive Antoulas–Anderson (AAA) algorithm to identify complex poles of the optical response function. A sample refinement strategy suitable for accurately locating a large number of poles is introduced. The AAA algorithm is tied into an automatic differentiation framework to efficiently differentiate multi‐scattering resonance calculations. The resulting resonance solver allows for efficient gradient‐based optimization, demonstrated here by the inverse design of an integrated exciton‐polariton cavity. This contribution serves as an important step towards efficient resonance calculations in a variety of multi‐scattering scenarios, such as inclusions in stratified media, periodic lattices, and scatterers with arbitrary shapes.

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See‐Through Conformable Holographic Metasurface Patches for Augmented Reality

Gan,

Xiao,

Plaskocinski

et al. 2024

Laser & Photonics Reviews

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Current requirements for augmented reality (AR) applications demand the use of dedicated AR glasses, which often need custom prescription lenses or contact lenses to correct common visual impairments, thus limiting AR's broader experiences. Here, an innovative methodology for the design, fabrication, and comprehensive analysis of a flexible, reflective‐type holographic metasurface patch designed for AR applications is presented. By fabricating a conformable metasurface on a transparent and flexible substrate, a prototype of AR eyeglasses is successfully created, capable of transforming everyday eyewear into AR glasses. The prototype is tested under both indoor and outdoor conditions, proving its effectiveness in delivering immersive AR imaging presentations. The metasurface's compact size does not interfere with normal vision. This approach increases the relevance and applicability of AR technology by making AR experiences accessible to a wider audience.

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Roadmap on photonic metasurfaces

Cited by 15 publications

References 1,131 publications

Spin‐Orbit‐Locking Vectorial Metasurface Holography

Spin‐Orbit‐Locking Vectorial Metasurface Holography

A Framework to Compute Resonances Arising from Multiple Scattering

See‐Through Conformable Holographic Metasurface Patches for Augmented Reality

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