730 citations · 2.4k across the 17 of their papers we have counts for
17 papers
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…
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.…
Waveguide-Integrated Mid-Infrared Photodetection using Graphene on a Scalable Chalcogenide Glass Platform
Jordan Goldstein, Hongtao Lin, Skylar Deckoff-Jones +7
The development of compact and fieldable mid-infrared (mid-IR) spectroscopy devices represents a critical challenge for distributed sensing with applications from gas leak detectio…
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…
Deep Convolutional Neural Networks to Predict Mutual Coupling Effects in Metasurfaces
Sensong An, Bowen Zheng, Mikhail Y. Shalaginov +13
Metasurfaces have provided a novel and promising platform for the realization of compact and large-scale optical devices. The conventional metasurface design approach assumes perio…
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…
Nonlinear Mid-infrared Metasurface based on a Phase-Change Material
Fuyong Yue, Riccardo Piccoli, Mikhail Y. Shalaginov +5
The mid-wave infrared (MWIR) spectral region (3-5 μm) is important to a vast variety of applications in imaging, sensing, spectroscopy, surgery, and optical communications. Efficie…
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…
A Freeform Dielectric Metasurface Modeling Approach Based on Deep Neural Networks
Sensong An, Bowen Zheng, Mikhail Y. Shalaginov +12
Metasurfaces have shown promising potentials in shaping optical wavefronts while remaining compact compared to bulky geometric optics devices. Design of meta-atoms, the fundamental…
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…
A Novel Modeling Approach for All-Dielectric Metasurfaces Using Deep Neural Networks
Sensong An, Clayton Fowler, Bowen Zheng +11
Metasurfaces have become a promising means for manipulating optical wavefronts in flat and high-performance optical devices. Conventional metasurface device design relies on trial-…
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…
Chalcogenide Glass-on-Graphene Photonics
Hongtao Lin, Yi Song, Yizhong Huang +16
Two-dimensional (2-D) materials are of tremendous interest to integrated photonics given their singular optical characteristics spanning light emission, modulation, saturable absor…
High-Q mid-infrared chalcogenide glass resonators
Hongtao Lin, Lan Li, Yi Zou +3
In this letter, we fabricated and characterized chalcogenide glass resonators monolithically integrated on mid-infrared transparent CaF2 substrates. The devices feature an intrinsi…
High-Performance, High-Index-Contrast Chalcogenide Glass Photonics on Silicon and Unconventional Non-planar Substrates
Yi Zou, Danning Zhang, Hongtao Lin +11
This paper reports a versatile, roll-to-roll and backend compatible technique for the fabrication of high-index-contrast photonic structures on both silicon and plastic substrates.…
3-D Integrated Flexible Glass Photonics
Lan Li, Hongtao Lin, Shutao Qiao +6
Photonic integration on plastic substrates enables emerging applications ranging from flexible interconnects to conformal sensors on biological tissues. Such devices are traditiona…
Demonstration of mid-infrared waveguide photonic crystal cavities
Hongtao Lin, Lan Li, Fei Deng +5
We have demonstrated what we believe to be the first waveguide photonic crystal cavity operating in the mid-infrared. The devices were fabricated from Ge23Sb7S70 chalcogenide glass…