activity
20232026
most citedElectrically reconfigurable phase-change transmissive metasurface

50 citations · 53 across the 10 of their papers we have counts for

collaborators

11 papers

cond-mat.mtrl-sci2026

Energy-Efficient Non-Volatile Photonic Switching via Composition-Engineered Sn-Doped GST

Xingyu Zhang, Daniel Vaz, Chi-Yi Kao +5

Integrated phase-change photonics allows non-volatile optical switching with no static power draw, but the electrical energy needed to reversibly switch the material's state limits…

physics.optics2026

Cryogenic thermo-optic response of low-loss phase change material for non-volatile photonic phase shifter

Marcus Tamura, Chuanyu Lian, Hongyi Sun +8

Phase change materials (PCMs) can enable non-volatile optical memory through the large refractive index and extinction coefficient contrast between crystalline and amorphous states…

cs.CR2026

PHAT: PHotonic Accelerator for TFHE

Guowei Yang, Farbin Fayza, Beren Aydoğan +3

Fully Homomorphic Encryption (FHE) enables secure computation on encrypted data, making it a promising solution for privacy-preserving applications in the cloud. Among various FHE…

cond-mat.mtrl-sci2026

Real-time Multi-instrument Autonomous Discovery of Novel Phase-change Memory Materials

Chih-Yu Lee, Haotong Liang, Ryan Kim +4

Autonomous labs enable the integration of automated experiment execution, data analysis and decision making. The main challenge remains the integration of diverse data streams from…

cond-mat.mtrl-sci2026

First-Principles Thermodynamic Analysis of Ternary Chalcogenide Phase Change Materials

Felix Adams, Ichiro Takeuchi, Carlos Ríos Ocampo +1

Chalcogenide phase-change materials (PCMs) are important for nonvolatile memory and reconfigurable photonic technologies. The GeTe-Sb2Te3 system, commonly referred to as GST, is th…

physics.app-ph2024★ 1 cited

Microheater hotspot engineering for repeatable multi-level switching in foundry-processed phase change silicon photonics

Hongyi Sun, Chuanyu Lian, Francis Vásquez-Aza +9

Nonvolatile photonic integrated circuits employing phase change materials have relied either on optical switching mechanisms with precise multi-level control but poor scalability o…

physics.optics2024

Reconfigurable inverse designed phase-change photonics

Changming Wu, Ziyu Jiao, Haoqin Deng +5

Chalcogenide phase-change materials (PCMs) offer a promising approach to programmable photonics thanks to their nonvolatile, reversible phase transitions and high refractive index…

physics.optics2023★ 50 cited

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,…

physics.optics2023

Freeform Direct-write and Rewritable Photonic Integrated Circuits in Phase-Change Thin Films

Changming Wu, Haoqin Deng, Yi-Siou Huang +4

Photonic integrated circuits (PICs) with rapid prototyping and reprogramming capabilities promise revolutionary impacts on a plethora of photonic technologies. Here, we report dire…

physics.optics2023★ 2 cited

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…

physics.optics2023

Nonvolatile Tuning of Bragg Structures Using Transparent Phase-Change Materials

Nicholas A. Nobile, Chuanyu Lian, Hongyi Sun +7

Bragg gratings offer high-performance filtering and routing of light on-chip through a periodic modulation of a waveguide's effective refractive index. Here, we model and experimen…