730 citations · 2k across the 12 of their papers we have counts for
12 papers
Unravelling and circumventing failure mechanisms in chalcogenide optical phase change materials
Cosmin Constantin Popescu, Kiumars Aryana, Brian Mills +17
Chalcogenide optical phase change materials (PCMs) have garnered significant interest for their growing applications in programmable photonics, optical analog computing, active met…
Electrically reconfigurable phase-change transmissive metasurface
Cosmin Constantin Popescu, Kiumars Aryana, Parth Garud +12
Programmable and reconfigurable optics hold significant potential for transforming a broad spectrum of applications, spanning space explorations to biomedical imaging, gas sensing,…
An Open-Source Multi-functional Testing Platform for Optical Phase Change Materials
Cosmin-Constantin Popescu, Khoi Phuong Dao, Luigi Ranno +18
Owing to their unique tunable optical properties, chalcogenide phase change materials are increasingly being investigated for optics and photonics applications. However, in situ ch…
Time-resolved temperature mapping leveraging the strong thermo-optic effect in phase-change devices
Nicholas A. Nobile, John R. Erickson, Carlos Ríos +5
Optical phase-change materials are highly promising for emerging applications such as tunable metasurfaces, reconfigurable photonic circuits, and non-von Neumann computing. However…
Electrical Programmable Multi-Level Non-volatile Photonic Random-Access Memory
Jiawei Meng, Yaliang Gui, Behrouz Movahhed Nouri +11
Photonic Random-Access Memories (P-RAM) are an essential component for the on-chip non-von Neumann photonic computing by eliminating optoelectronic conversion losses in data links.…
Ultra-compact nonvolatile phase shifter based on electrically reprogrammable transparent phase change materials
Carlos Ríos, Qingyang Du, Yifei Zhang +9
Energy-efficient programmable photonic integrated circuits (PICs) are the cornerstone of on-chip classical and quantum optical technologies. Optical phase shifters constitute the f…
Electrically Reconfigurable Nonvolatile Metasurface Using Low-Loss Optical Phase Change Material
Yifei Zhang, Clayton Fowler, Junhao Liang +14
Active metasurfaces promise reconfigurable optics with drastically improved compactness, ruggedness, manufacturability, and functionality compared to their traditional bulk counter…
Multi-level Electro-thermal Switching of Optical Phase-Change Materials Using Graphene
Carlos Ríos, Yifei Zhang, Mikhail Shalaginov +13
Reconfigurable photonic systems featuring minimal power consumption are crucial for integrated optical devices in real-world technology. Current active devices available in foundri…
Artificial Synapse with Mnemonic Functionality using GSST-based Photonic Integrated Memory
Mario Miscuglio, Jiawei Meng, Omer Yesiliurt +6
Machine-learning tasks performed by neural networks demonstrated useful capabilities for producing reliable, and repeatable intelligent decisions. Integrated photonics, leveraging…
Reconfigurable all-dielectric metalens with diffraction limited performance
Mikhail Y. Shalaginov, Sensong An, Yifei Zhang +15
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…
Extreme Broadband Transparent Optical Phase Change Materials for High-Performance Nonvolatile Photonics
Yifei Zhang, Jeffrey B. Chou, Junying Li +18
Optical phase change materials (O-PCMs), a unique group of materials featuring drastic optical property contrast upon solid-state phase transition, have found widespread adoption i…
Ultra-thin, High-efficiency Mid-Infrared Transmissive Huygens Meta-Optics
Hanyu Zheng, Jun Ding, Li Zhang +12
The mid-infrared (mid-IR) is a strategically important band for numerous applications ranging from night vision to biochemical sensing. Unlike visible or near-infrared optical part…