Results 131 to 140 of about 418,956 (371)

Van Der Waals Hybrid Integration of 2D Semimetals for Broadband Photodetection

open access: yesAdvanced Materials, EarlyView.
Advanced broadband photodetector technologies are essential for military and civilian applications. 2D semimetals, with their gapless band structures, high mobility, and topological protection, offer great promise for broadband PDs. This study reviews the latest advancements in broadband PDs utilizing heterostructures that combine 2D semimetals with ...
Xue Li   +9 more
wiley   +1 more source

Advances in Photonic Materials and Integrated Devices for Smart and Digital Healthcare: Bridging the Gap Between Materials and Systems

open access: yesAdvanced Materials, EarlyView.
This article summarizes significant technological advancements in materials, photonic devices, and bio‐interfaced systems, which demonstrate successful applications for impacting human healthcare via improved therapies, advanced diagnostics, and on‐skin health monitoring.
Seunghyeb Ban   +5 more
wiley   +1 more source

Novel Empty Substrate Integrated Waveguide for High-Performance Microwave Integrated Circuits

open access: yesIEEE transactions on microwave theory and techniques, 2014
Over the last years, a great number of substrate integrated circuits has been developed. These new circuits are a compromise between the advantages of classical waveguide technologies, such as high quality factor and low losses, and the advantages of ...
Á. Belenguer, H. Esteban, V. Boria
semanticscholar   +1 more source

Photonic Nanomaterials for Wearable Health Solutions

open access: yesAdvanced Materials, EarlyView.
This review discusses the fundamentals and applications of photonic nanomaterials in wearable health technologies. It covers light‐matter interactions, synthesis, and functionalization strategies, device assembly, and sensing capabilities. Applications include skin patches and contact lenses for diagnostics and therapy. Future perspectives emphasize AI‐
Taewoong Park   +3 more
wiley   +1 more source

Guided-wave and leakage characteristics of substrate integrated waveguide

open access: yesIEEE transactions on microwave theory and techniques, 2005
The substrate integrated waveguide (SIW) technique makes it possible that a complete circuit including planar circuitry, transitions, and rectangular waveguides are fabricated in planar form using a standard printed circuit board or other planar ...
Feng Xu, K. Wu
semanticscholar   +1 more source

Ultrafast Superradiant Scintillation from Isolated Weakly Confined Perovskite Nanocrystals

open access: yesAdvanced Materials, EarlyView.
Efficiency and scintillation velocity are critical for high‐energy and medical physics. These parameters, typically conflicting in conventional scintillators, are simultaneously optimized by exploiting the giant oscillator strength of CsPbBr3 nanocrystals, leading to radiatively accelerated (multi)excitonic emission with unity efficiency without ...
Matteo L. Zaffalon   +9 more
wiley   +1 more source

Nanowire-supported plasmonic waveguide for remote excitation of surface-enhanced Raman scattering

open access: yesLight: Science & Applications, 2014
Due to its amazing ability to manipulate light at the nanoscale, plasmonics has become one of the most interesting topics in the field of light–matter interaction.
Yingzhou Huang   +4 more
semanticscholar   +1 more source

Development and Optimization of Micro‐Nanotopographical Platforms for Surface Enhanced Raman Scattering Biomolecular Detection

open access: yesAdvanced Materials Interfaces, EarlyView.
Lithographically defined concentric micro‐ and nanostructures systematically designed and fabricated as reproducible arrays for Surface‐enhanced Raman spectroscopy applications. Abstract Topologically designed micro‐ and nanostructured surface‐enhanced Raman scattering (SERS) substrates propel the advancements of innovative applications, including ...
David Femi Odetade   +2 more
wiley   +1 more source

On a Quantum Waveguide with a Small PT-symmetric Perturbation

open access: yesActa Polytechnica, 2007
We consider a quantum waveguide with a small PT-symmetric perturbation described by a potential. We study the spectrum of such a system and show that the perturbation can produce eigenvalues near the threshold of the continuous spectrum.
D. Borisov
doaj  

Ultra-Compact Silicon Photonic 512 × 512 25 GHz Arrayed Waveguide Grating Router

open access: yesIEEE Journal of Selected Topics in Quantum Electronics, 2014
This paper discusses design, fabrication, and characterization of a 512 × 512 arrayed waveguide grating router (AWGR) with a channel spacing of 25 GHz.
S. Cheung, T. Su, K. Okamoto, S. Yoo
semanticscholar   +1 more source

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