Design for quality: reconfigurable flat optics based on active metasurfaces

MY Shalaginov, SD Campbell, S An, Y Zhang… - …, 2020 - degruyter.com
Optical metasurfaces, planar subwavelength nanoantenna arrays with the singular ability to
sculpt wavefront in almost arbitrary manners, are poised to become a powerful tool enabling …

Endurance of chalcogenide optical phase change materials: a review

L Martin-Monier, CC Popescu, L Ranno… - Optical Materials …, 2022 - opg.optica.org
Chalcogenide phase change materials (PCMs) are truly remarkable compounds whose
unique switchable optical and electronic properties have fueled an explosion of emerging …

Electrically reconfigurable non-volatile metasurface using low-loss optical phase-change material

Y Zhang, C Fowler, J Liang, B Azhar… - Nature …, 2021 - nature.com
Active metasurfaces promise reconfigurable optics with drastically improved compactness,
ruggedness, manufacturability and functionality compared to their traditional bulk …

Reconfigurable all-dielectric metalens with diffraction-limited performance

MY Shalaginov, S An, Y Zhang, F Yang, P Su… - Nature …, 2021 - nature.com
Active metasurfaces, whose optical properties can be modulated post-fabrication, have
emerged as an intensively explored field in recent years. The efforts to date, however, still …

Broadband nonvolatile photonic switching based on optical phase change materials: beyond the classical figure-of-merit

Q Zhang, Y Zhang, J Li, R Soref, T Gu, J Hu - Optics letters, 2017 - opg.optica.org
In this Letter, we propose a broadband, nonvolatile on-chip switch design in the
telecommunication C-band with record low loss and crosstalk. The unprecedented device …

Deep neural network enabled active metasurface embedded design

S An, B Zheng, M Julian, C Williams, H Tang, T Gu… - …, 2022 - degruyter.com
In this paper, we propose a deep learning approach for forward modeling and inverse
design of photonic devices containing embedded active metasurface structures. In …

GSST phase change materials and its utilization in optoelectronic devices: A review

D Sahoo, R Naik - Materials Research Bulletin, 2022 - Elsevier
Abstract Ge-Sb-Se-Te (GSST) materials have recently emerged as an efficient phase
change material (PCM) that displays various exceptional properties essential for numerous …

Wide field-of-view metalens: a tutorial

F Yang, MY Shalaginov, HI Lin, S An… - Advanced …, 2023 - spiedigitallibrary.org
Wide field-of-view (FOV) optics are essential components in many optical systems, with
applications spanning imaging, display, sensing, and beam steering. Conventional …

Tutorial: Integrated-photonic switching structures

R Soref - Apl Photonics, 2018 - pubs.aip.org
Recent developments in waveguided 2× 2 and N× M photonic switches are reviewed,
including both broadband and narrowband resonant devices for the Si, InP, and AlN …

A scheme for simulating multi-level phase change photonics materials

Y Wang, J Ning, L Lu, M Bosman… - npj Computational …, 2021 - nature.com
Chalcogenide phase change materials (PCMs) have been extensively applied in data
storage, and they are now being proposed for high resolution displays, holographic …