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The capability of direct photocurrent detection of orbital angular momentum (OAM) of light has recently been realized with topological Weyl semimetal, but limited to near infrared wavelength range. The extension of direct OAM detection to…

The modern implementation of machine learning architectures faces significant challenges due to frequent data transfer between memory and processing units. In-memory computing, primarily through memristor-based analog computing, offers a…

Hardware Architecture · Computer Science 2024-08-20 Omar Ghazal , Tian Lan , Shalman Ojukwu , Komal Krishnamurthy , Alex Yakovlev , Rishad Shafik

Ultrafast optical control of the structural and electronic properties of various quantum materials has recently sparked great interest. In particular, photoinduced quantum phase transition between distinct topological phases has been…

Materials Science · Physics 2022-06-07 Niraj Aryal , Xilian Jin , Qiang Li , Mengkun Liu , A. M. Tsvelik , Weiguo Yin

The interfacial phase-change memory (iPCM) GeTe/Sb2Te3, promising candidates for the next generation non-volatile random-access memories, exhibits fascinating topological properties. Depending on the atomic-layer-stacking sequence of the…

Materials Science · Physics 2017-12-20 Jinwoong Kim , Jeongwoo Kim , Young-Sun Song , Ruqian Wu , Seung-Hoon Jhi , Nicholas Kioussis

Flash memory has become a ubiquitous solid-state memory device, it is widely used in portable digital devices, computers, and enterprise applications. The development of the information age has put forward higher requirements for memory…

Applied Physics · Physics 2021-09-01 Lan Liu , Yi Ding , Jiayi Li , Chunsen Liu , Peng Zhou

Non-volatile memories (NVMs) offer negligible leakage power consumption, high integration density, and data retention, but their non-volatility also raises the risk of data exposure. Conventional encryption techniques such as the Advanced…

Cryptography and Security · Computer Science 2025-12-04 Sanwar Ahmed Ovy , Jiahui Duan , Md Ashraful Islam Romel , Franz Muller , Thomas Kampfe , Kai Ni , Sumitha George

Here we show a photonic computing accelerator utilizing a system-level thin-film lithium niobate circuit which overcomes this limitation. Leveraging the strong electro-optic (Pockels) effect and the scalability of this platform, we…

We demonstrate non-volatile optical functionality by embedding multi-layer $HfO_2/Al_2O_3$ memristors with III-V/Si photonics. The wafer-bonded III-V/Si memristor facilitates non-volatile optical functionality for a variety of devices such…

The rapid surge in data generated by Internet of Things (IoT), artificial intelligence (AI), and machine learning (ML) applications demands ultra-fast, scalable, and energy-efficient hardware, as traditional von Neumann architectures face…

Topological photonics, featured by stable topological edge states resistant to perturbations, has been utilized to design robust integrated devices. Here, we present a study exploring the intriguing topological rotated Weyl physics in a 3D…

Optics · Physics 2021-07-05 Zhi-Wei Yan , Qiang Wang , Meng Xiao , Yu-Le Zhao , Shi-Ning Zhu , Hui Liu

Existing memory-augmented LLM agents often treat memory as a static repository with pre-defined representations and fixed retrieval pipelines, which is brittle in dynamic agentic environments where feedback, task variation, and…

Reconfigurable photonic systems featuring minimal power consumption are crucial for integrated optical devices in real-world technology. Current active devices available in foundries, however, use volatile methods to modulate light,…

High-resolution sensors are critical for robust autonomous perception but impose a severe memory wall on battery-constrained electric vehicles. In these systems, data movement energy often outweighs computation. Traditional image…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Haohua Que , Mingkai Liu , Jiayue Xie , Haojia Gao , Jiajun Sun , Hongyi Xu , Handong Yao , Fei Qiao

Logic-in-memory (LIM) describes the execution of logic gates within memristive crossbar structures, promising to improve performance and energy efficiency. Utilizing only binary values, LIM particularly excels in accelerating binary neural…

Practical quantum networks will require quantum nodes consisting of many memory qubits. This in turn will increase the complexity of the photonic circuits needed to control each qubit and will require strategies to multiplex memories and…

Intermittent computing systems operate by relying only on harvested energy accumulated in their tiny energy reservoirs, typically capacitors. An intermittent device dies due to a power failure when there is no energy in its capacitor and…

Hardware Architecture · Computer Science 2022-02-17 Simone Ruffini , Luca Caronti , Kasım Sinan Yıldırım , Davide Brunelli

Modern advanced photonic integrated circuits require dense integration of high-speed electro-optic functional elements on a compact chip that consumes only moderate power. Energy efficiency, operation speed, and device dimension are thus…

Applied Physics · Physics 2020-09-09 Mingxiao Li , Jingwei Ling , Yang He , Usman A. Javid , Shixin Xue , Qiang Lin

A Weyl semimetal is a new type of topological quantum phase with intriguing physics near the Weyl nodes. Although the equilibrium state of Weyl semimetals has been investigated, the ultrafast dynamics near the Weyl node in the…

Materials Science · Physics 2017-10-03 Guoliang Wan , Wei Yao , Kenan Zhang , Changhua Bao , Hongyun Zhang , Haijun Zhang , Yang Wu , Shuyun Zhou

Recent advances in optical simulation and computational techniques have renewed interest in high-finesse optical cavities for applications such as enhancing light-matter interactions, engineering complex photonic band structures, and…

Optics · Physics 2025-10-15 Ouri Karni , Chirag Vaswani , Thibault Chervy

The memory wall bottleneck is a key challenge across many data-intensive applications. Multi-level FeFET-based embedded non-volatile memories are a promising solution for denser and more energy-efficient on-chip memory. However, reliable…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-06-23 Mohammad Mehdi Sharifi , Lillian Pentecost , Ramin Rajaei , Arman Kazemi , Qiuwen Lou , Gu-Yeon Wei , David Brooks , Kai Ni , X. Sharon Hu , Michael Niemier , Marco Donato