Results 81 to 90 of about 778,605 (331)
Opportunities of Semiconducting Oxide Nanostructures as Advanced Luminescent Materials in Photonics
Advanced Materials, EarlyView.The review discusses the challenges of wide and ultrawide bandgap semiconducting oxides as a suitable material platform for photonics. They offer great versatility in terms of tuning microstructure, native defects, doping, anisotropy, and micro‐ and nano‐structuring. The review focuses on their light emission, light‐confinement in optical cavities, and
Ana Cremades +7 more
wiley +1 more source
Optical vector analysis with attometer resolution, 90-dB dynamic range and THz bandwidth
Nature Communications, 2019 Typical methods for optical vector analysis have tradeoffs among resolution, dynamic range, and bandwidth. The authors use an asymmetric optical probe signal generator and receiver to perform attometer resolution measurement over a THz of bandwidth while
Ting Qing +4 more
doaj +1 more source
Rainbow Photonic Crystals: Self‐Assembly of Carbohydrate Bottlebrushes Block Copolymers
Advanced Materials, EarlyView.Full‐color reflective 1D photonic crystals, capable of a tunable, responsive, and reversible color with high repeatability, are created from the self‐assembly of carbohydrate‐based brush block copolymers (BR01‐04). Abstract Tunable and responsive photonic crystal systems are the subject of great research interest owing to their ability to actively ...
Hong Li +6 more
wiley +1 more source
IEEE Photonics Journal, 2016 Under proper optical injection, period-one (P1) dynamics of an optically injected semiconductor laser can be excited by undamping the relaxation resonance of the semiconductor through Hopf bifurcation.
Pei Zhou +4 more
doaj +1 more source
Gradient-Index-Based Frequency-Coded Retroreflective Lenses for mm-Wave Indoor Localization
IEEE Access, 2020 This article introduces retroreflective lenses for millimeter-wave radio-frequency indoor localization. A three-dimensional (3D) gradient-index Luneburg lens is employed to increase radar cross section (RCS) of photonic-crystal high-Q resonators and its ...
Petr Kadera +5 more
doaj +1 more source
Ultra-low phase noise all-optical microwave generation setup based on commercial devices
, 2015 In this paper, we present a very simple design based on commercial devices for the all-optical generation of ultra-low phase noise microwave signals.
Bigler, E. +7 more
core +2 more sources
Integrated Microwave Photonics for Wideband Signal Processing
, 2017 We describe recent progress in integrated microwave photonics in wideband signal processing applications with a focus on the key signal processing building blocks, the realization of monolithic integration, and cascaded photonic signal processing for ...
X. Yi +4 more
semanticscholar +1 more source
Ferroelectrics Hybrids: Harnessing Multifunctionality of 2D Semiconductors in the Post‐Moore Era
Advanced Materials, EarlyView.In this Review, the state of art of ferroelectric hybrid systems—combining ferroelectrics, 2D semiconductors, and molecular switches is presented—as next‐generation platforms for high‐density, multifunctional electronics. By discussing 2D FeFET applications, nanoscale material downscaling, M3D integration, and emerging ferroelectrics, it highlights ...
Haixin Qiu +3 more
wiley +1 more source
Photonics-Based High-Resolution 3D Inverse Synthetic Aperture Radar Imaging
IEEE Access, 2019 A photonics-based radar for high-resolution 3D microwave imaging is proposed and demonstrated, in which high range resolution is achieved by employing a wideband linearly frequency modulated signal, and high cross-range resolution in both azimuth and ...
Xingwei Ye +4 more
doaj +1 more source
Hybrid Electro-Optically Modulated Microcombs
, 2012 Optical frequency combs based on mode-locked lasers have proven to be invaluable tools for a wide range of applications in precision spectroscopy and metrology.
Del'Haye, Pascal +2 more
core +1 more source