Results 111 to 120 of about 1,534,970 (316)

Surface‐Plasmon‐Coupled Blue InGaN/GaN Micro‐LEDs with Oxide–Metal–Oxide Capping Layer Compatible to Chip Fabrication Process

open access: yesAdvanced Optical Materials, EarlyView.
A sidewall‐integrated oxide–metal–oxide architecture is demonstrated to overcome efficiency degradation in ultra‐small InGaN/GaN micro‐LEDs. Conformal Al2O3 passivation combined with plasmonic Ag nanoparticles enables localized surface plasmon–exciton coupling, converting surface‐related nonradiative losses into radiative emission.
Pil‐Kyu Jang   +17 more
wiley   +1 more source

Department of Communications and the Arts annual report 2015-2016 [PDF]

open access: yes, 2016
This report outlines the operations and performance of the Department of Communications and the Arts for the financial year ending 30 June ...
Department of Communications and the Arts (Australia)
core  

Multipoint channel charting-based radio resource management for V2V communications

open access: yes, 2020
We consider a multipoint channel charting (MPCC) algorithm for radio resource management (RRM) in vehicle-to-vehicle (V2V) and vehicle-to-infrastructure (V2I) communication systems.
Al-Tous, Hanan   +3 more
core   +1 more source

Data‐Efficient Electromagnetic Surrogate Solver Through Dissipative Relaxation Transfer Learning

open access: yesAdvanced Optical Materials, EarlyView.
Dissipative relaxation transfer learning (DIRTL) enables data‐efficient training of electromagnetic surrogate solvers by pretraining data generated with artificial material loss before fine‐tuning on target lossless data. The framework suppresses resonant outlier effects during early training, allowing effective adaptation to high‐amplitude resonances ...
Sunghyun Nam   +2 more
wiley   +1 more source

Waveguide Geometry–Driven Trade‐Offs in Resonant Cavity Sensor Performance

open access: yesAdvanced Optical Materials, EarlyView.
Waveguide geometry governs the interplay between sensitivity, intrinsic Q‐factor, and wavelength noise in silicon nitride resonant sensors. Contrary to intuition, higher sensitivity does not ensure superior performance. Low‐noise, high‐Q ridge resonators achieve the lowest detection limits, revealing that detection is ultimately constrained by noise ...
Mohammad Talebi Khoshmehr   +6 more
wiley   +1 more source

Strategic Communications: From Products to Impacts: A guide to enhance the value and impact of communications

open access: yes, 2016
Strategic communications align an organization’s communications activities with its overall organizational goals, priorities and targets. It’s the difference between seeing a product, such as a brochure, as your end result, rather than seeing such ...

core  

Backscatter Communications over Ambient OFDM Signals using Null Subcarriers

open access: yes, 2018
Käsikirjoitus avataan, kun artikkeli julkaistu.In recent years, ambient backscatter communications have gained a lot of interest as a promising enabling technology for Internet-of-Things and green communications.
Li, Geoffrey   +11 more
core   +1 more source

Bridging Boltzmann and Non‐Boltzmann Optical Thermometry Enabled by Multimodal Perovskite Nanocrystals

open access: yesAdvanced Optical Materials, EarlyView.
Multimodal perovskite nanocrystals enable optical thermometry across multiple excitation and emission regimes, spanning the UV–Vis–NIR spectral range. By combining upconversion, downshifting, and persistent luminescence, the platform bridges conventional Boltzmann and non‐Boltzmann thermometric approaches.
Adrian Drozdowski   +2 more
wiley   +1 more source

Westminster College Office of Communications weekly electronic newsletters and reports

open access: yes, 2005
Electronic documents; Electronic mail; Newsletters; ReportsThis collection consists of weekly events newsletters, news reports, and other notifications of activities at Westminster College, Salt Lake City, Utah.
Westminster College (Salt Lake City, Utah : 1998- ). Office of Communications
core  

Neodymium‐Doped Nanocrystals for Sensing Cellular Temperature at the Nanoscale

open access: yesAdvanced Optical Materials, EarlyView.
Neodymium‐doped NaYF4 nanocrystals are engineered as bright, biocompatible nanothermometers for intracellular temperature mapping. Their ratiometric near‐infrared emission enables highly sensitive, nanoscale thermal readouts in living cells. Combined with gold nanostars for photothermal therapy, they reveal pronounced subcellular heating heterogeneity ...
Maria Bravo   +13 more
wiley   +1 more source

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