Results 181 to 190 of about 265,397 (333)

Spatially‐Controlled Planar Guided Crystallization of Low‐Loss Phase Change Materials for Programmable Photonics

open access: yesAdvanced Materials, EarlyView.
The concept of spatially‐controlled planar guided crystallization is a novel method for programming the growth of optically homogeneous low‐loss Sb2S3 phase‐change material (PCM), leveraging the directional crystallization within confined channels.
Fouad Bentata   +16 more
wiley   +1 more source

GaAs-based photonic integrated circuit platform enabling monolithic ring-resonator-coupled lasers

open access: yesAPL Photonics
This paper reports on a monolithically integrated gallium arsenide (GaAs)-based photonic integrated circuit platform for wavelengths around 1064 nm. Enabled by spatially selective quantum well removal and two-step epitaxial growth, it supports on-chip ...
Jan-Philipp Koester   +14 more
doaj   +1 more source

Heterogeneous GaSb/SOI mid-infrared photonic integrated circuits for spectroscopic applications [PDF]

open access: bronze, 2010
Nannicha Hattasan   +5 more
openalex   +1 more source

Colossal Cryogenic Electro‐Optic Response Through Metastability in Strained BaTiO3 Thin Films

open access: yesAdvanced Materials, EarlyView.
Utilizing the thermodynamic theory of optical properties, a colossal cryogenic electro‐optic response in BaTiO3 thin films is designed and demonstrated by stabilizing a low symmetry metastable monoclinic phase via epitaxial strain tuning with an electro‐optic response reaching ≈2516 pm V−1 at 5 K. This approach represents a new paradigm for engineering
Albert Suceava   +16 more
wiley   +1 more source

Robust Directional Couplers for State Manipulation in Silicon Photonic-Integrated Circuits [PDF]

open access: hybrid, 2022
Moshe Katzman   +7 more
openalex   +1 more source

System-Level Integrated Circuit (SLIC) development for phased array antenna applications [PDF]

open access: yes
A microwave/millimeter wave system-level integrated circuit (SLIC) being developed for use in phased array antenna applications is described. The program goal is to design, fabricate, test, and deliver an advanced integrated circuit that merges radio ...
Raquet, C. A., Shalkhauser, K. A.
core   +1 more source

Emergent Berry Curvature in Inversion‐Symmetric Photonic Crystals for Ultraconfined Topological States

open access: yesAdvanced Materials, EarlyView.
In this work, nonzero Berry curvature in photonic crystals is induced by breaking unit cell inversion symmetry through spatial shifts rather than geometrical modifications. This enables the design of ultraconfined topological states with subwavelength in‐plane field confinement and out‐of‐plane field isolation.
Yi Ji Tan, Ranjan Singh
wiley   +1 more source

HZO/HSO Superlattice ReFET Array Integrating Optical Sensing for Neuromorphic Vision Computing

open access: yesAdvanced Materials, EarlyView.
A photonic ReFET array with an engineered HZO–HSO superlattice enables monolithic integration of optical sensing, nonvolatile memory, and synaptic computation. It exhibits forming‐free, >8‐bit analog states, >1010 endurance cycles, and light‐tunable conductance.
Bingjie Dang   +10 more
wiley   +1 more source

Biological and Biologically Inspired Functional Nanostructures: Insights into Structural, Optical, Thermal, and Sensing Applications

open access: yesAdvanced Materials, EarlyView.
Biological and biologically‐inspired functional nanostructures with structural, thermal, optical, and sensing applications are reviewed. The role of nanoscale features in biological materials on performance is described, and their blueprints are used for bio‐inspired nanomaterials, synthesized using advanced techniques (i.e., photolithography, bio ...
Chao Hsuan (Joseph) Sung   +15 more
wiley   +1 more source

Advancing the Frontiers of HfO2‐Based Ferroelectric Memories: Innovative Concepts from Materials to Applications

open access: yesAdvanced Materials, EarlyView.
HfO2‐based ferroelectric materials are promising for next‐generation memory technologies by providing outstanding performance aligning with data‐centric computing needs. This review details recent advancements in materials, devices, and integration for HfO2‐based memories, with the goal of identifying both the technological opportunities and remaining ...
Zuopu Zhou   +9 more
wiley   +1 more source

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