Integrated optical memristors

N Youngblood, CA Ríos Ocampo, WHP Pernice… - Nature …, 2023 - nature.com
Memristors in electronics have shown the potential for a range of applications, ranging from
circuit elements to neuromorphic computing. In recent years, the ability to vary the …

[HTML][HTML] 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 …

Ultra-low-energy programmable non-volatile silicon photonics based on phase-change materials with graphene heaters

Z Fang, R Chen, J Zheng, AI Khan, KM Neilson… - Nature …, 2022 - nature.com
Silicon photonics is evolving from laboratory research to real-world applications with the
potential to transform many technologies, including optical neural networks and quantum …

Parallel convolutional processing using an integrated photonic tensor core

J Feldmann, N Youngblood, M Karpov, H Gehring, X Li… - Nature, 2021 - nature.com
With the proliferation of ultrahigh-speed mobile networks and internet-connected devices,
along with the rise of artificial intelligence (AI), the world is generating exponentially …

[HTML][HTML] In-memory photonic dot-product engine with electrically programmable weight banks

W Zhou, B Dong, N Farmakidis, X Li… - Nature …, 2023 - nature.com
Electronically reprogrammable photonic circuits based on phase-change chalcogenides
present an avenue to resolve the von-Neumann bottleneck; however, implementation of …

[HTML][HTML] Electrically driven reprogrammable phase-change metasurface reaching 80% efficiency

S Abdollahramezani, O Hemmatyar… - Nature …, 2022 - nature.com
Phase-change materials (PCMs) offer a compelling platform for active metaoptics, owing to
their large index contrast and fast yet stable phase transition attributes. Despite recent …

[HTML][HTML] Ultra-compact nonvolatile phase shifter based on electrically reprogrammable transparent phase change materials

C Ríos, Q Du, Y Zhang, CC Popescu, MY Shalaginov… - PhotoniX, 2022 - Springer
Optical phase shifters constitute the fundamental building blocks that enable programmable
photonic integrated circuits (PICs)—the cornerstone of on-chip classical and quantum …

[HTML][HTML] Programmable phase-change metasurfaces on waveguides for multimode photonic convolutional neural network

C Wu, H Yu, S Lee, R Peng, I Takeuchi, M Li - Nature communications, 2021 - nature.com
Neuromorphic photonics has recently emerged as a promising hardware accelerator, with
significant potential speed and energy advantages over digital electronics for machine …

Silicon photonics for high-capacity data communications

Y Shi, Y Zhang, Y Wan, Y Yu, Y Zhang, X Hu… - Photonics …, 2022 - opg.optica.org
In recent years, optical modulators, photodetectors,(de) multiplexers, and heterogeneously
integrated lasers based on silicon optical platforms have been verified. The performance of …

Non‐volatile reconfigurable integrated photonics enabled by broadband low‐loss phase change material

Z Fang, J Zheng, A Saxena, J Whitehead… - Advanced Optical …, 2021 - Wiley Online Library
Phase change materials (PCMs) have long been used as a storage medium in rewritable
compact disk and later in random access memory. In recent years, integration of PCMs with …