Tunable nanophotonics enabled by chalcogenide phase-change materials

S Abdollahramezani, O Hemmatyar, H Taghinejad… - …, 2020 - degruyter.com
Nanophotonics has garnered intensive attention due to its unique capabilities in molding the
flow of light in the subwavelength regime. Metasurfaces (MSs) and photonic integrated …

Designing crystallization in phase-change materials for universal memory and neuro-inspired computing

W Zhang, R Mazzarello, M Wuttig, E Ma - Nature Reviews Materials, 2019 - nature.com
The global demand for data storage and processing has increased exponentially in recent
decades. To respond to this demand, research efforts have been devoted to the …

Broadband transparent optical phase change materials for high-performance nonvolatile photonics

Y Zhang, JB Chou, J Li, H Li, Q Du, A Yadav… - Nature …, 2019 - nature.com
Optical phase change materials (O-PCMs), a unique group of materials featuring
exceptional optical property contrast upon a solid-state phase transition, have found …

Phase-change materials for non-volatile photonic applications

M Wuttig, H Bhaskaran, T Taubner - Nature photonics, 2017 - nature.com
Phase-change materials (PCMs) provide a unique combination of properties. On
transformation from the amorphous to crystalline state, their optical properties change …

On-chip photonic synapse

Z Cheng, C Ríos, WHP Pernice, CD Wright… - Science …, 2017 - science.org
The search for new “neuromorphic computing” architectures that mimic the brain's approach
to simultaneous processing and storage of information is intense. Because, in real brains …

Thermal camouflage based on the phase-changing material GST

Y Qu, Q Li, L Cai, M Pan, P Ghosh, K Du… - Light: Science & …, 2018 - nature.com
Camouflage technology has attracted growing interest for many thermal applications.
Previous experimental demonstrations of thermal camouflage technology have not …

Integrated all-photonic non-volatile multi-level memory

C Ríos, M Stegmaier, P Hosseini, D Wang, T Scherer… - Nature …, 2015 - nature.com
Implementing on-chip non-volatile photonic memories has been a long-term, yet elusive
goal. Photonic data storage would dramatically improve performance in existing computing …

Non-volatile reconfigurable silicon photonics based on phase-change materials

Z Fang, R Chen, J Zheng… - IEEE Journal of Selected …, 2021 - ieeexplore.ieee.org
The traditional ways of tuning a silicon photonic network are mainly based on the thermo-
optic effect or the free carrier dispersion. The drawbacks of these methods are the volatile …

Low-loss and broadband nonvolatile phase-change directional coupler switches

P Xu, J Zheng, JK Doylend, A Majumdar - Acs Photonics, 2019 - ACS Publications
An optical equivalent of the field-programmable gate array (FPGA) is of great interest to
large-scale photonic integrated circuits. Previous programmable photonic devices relying on …

Fast and reliable storage using a 5 bit, nonvolatile photonic memory cell

X Li, N Youngblood, C Ríos, Z Cheng, CD Wright… - Optica, 2018 - opg.optica.org
Optically storing and addressing data on photonic chips is of particular interest as such
capability would eliminate optoelectronic conversion losses in data centers. It would also …