Results 181 to 190 of about 2,848,759 (416)

Terahertz‐Driven Ultrafast Dynamics of Rare‐Earth Nickelates by Controlling Only the Charge Degree of Freedom

open access: yesAdvanced Functional Materials, EarlyView.
The THz drive of the Mott insulating state of a rare‐earth nickelate induces instantaneous insulator‐metal transition via quantum tunneling of valence electrons across the bandgap. This transition is pure electronic and highly non‐thermal, which may find its applications in ultrafast opto‐electronics with enhanced performance and minimal device size ...
Gulloo Lal Prajapati   +7 more
wiley   +1 more source

Measuring nanoparticles shape by structured illumination

open access: yesScientific Reports
Exploiting the size and shape of nanoparticles is critical for engineering the optical and mechanical properties of nanoparticle systems that are ubiquitous in everyday life.
Shubham Dawda   +2 more
doaj   +1 more source

Professional development in optics and photonics education [PDF]

open access: bronze, 2002
Judith Donnelly   +3 more
openalex   +1 more source

Optics and photonics in nature: general discussion [PDF]

open access: yesFaraday Discussions, 2020
Hans Arwin   +28 more
openaire   +3 more sources

Excitonic Emission Modulation in GaSe/MoS2 Van Der Waals Heterostructure Via Plasmonic Control of Interlayer Charge Transfer

open access: yesAdvanced Functional Materials, EarlyView.
Plasmonic hybridization enables control of light emission in 2D van der Waals heterojunctions. By stacking multilayer GaSe and monolayer MoS2 on a silver film, light emission is enhanced at the edges due to plasmonic effects. In the center, where these effects are absent, charge transfer led to reduced light emission.
Jung Ho Kim   +5 more
wiley   +1 more source

Astronomical photonics in the context of infrared interferometry and high-resolution spectroscopy

open access: yes, 2016
We review the potential of Astrophotonics, a relatively young field at the interface between photonics and astronomical instrumentation, for spectro-interferometry.
Aggarwal   +18 more
core   +2 more sources

Quantum Emitters in Hexagonal Boron Nitride: Principles, Engineering and Applications

open access: yesAdvanced Functional Materials, EarlyView.
Quantum emitters in hexagonal boron nitride have emerged as a promising candidate for quantum information science. This review examines the fundamentals of these quantum emitters, including their level structures, defect engineering, and their possible chemical structures.
Thi Ngoc Anh Mai   +8 more
wiley   +1 more source

Embarking on a skyrmion Odyssey [PDF]

open access: yesarXiv
Optical Skyrmions, as an emergent cutting-edge topic in optics and photonics, extend the concept of non-singular topological defects to topological photonics, providing extra degrees of freedom for light-matter interaction manipulations, optical metrologies, optical communications, etc..
arxiv  

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