Results 101 to 110 of about 829,070 (291)

Photonic crystal interfaces: a design-driven approach [PDF]

open access: yes, 2006
Photonic Crystal structures have been heralded as a disruptive technology for the miniaturization of opto-electronic devices, offering as they do the possibility of guiding and manipulating light in sub-micron scale waveguides.
Ayre, Melanie
core   +1 more source

Single – Photon Interference with Thermally Excited Three – Level Cascade Atoms

open access: yesمجلة علوم ذي قار, 2019
A theoretical model is presented for a single – photon interference experiment in a beam - splitter using the second photon in a cascade transition of a three – level atomic system.
A. Al- Hilfy
doaj  

A Multi‐Scale Machine Learning Framework for the Inverse Design of High Entropy Alloys

open access: yesAdvanced Engineering Materials, EarlyView.
High‐entropy alloys offer vast potential for various applications, including electrocatalysis; however, their compositional complexity challenges conventional screening. We introduce an inverse‐design framework combining two neural networks to determine optimal compositions and reconstruct nanoparticle geometry from targeted properties and conventional
Mikael Takoutsin   +14 more
wiley   +1 more source

DESIGN OF HIGH EFFICIENCY AND LARGE SEPARATING ANGLE BEAM SPLITTER BASED ON PHOTONIC CRYSTAL CAVITY RESONATOR

open access: yes, 2011
We present the design and simulation of an ultracompact high efficiency beam splitter based on propagation properties of the light waves in waveguide and cavity resonator.
Huang YZ   +5 more
core  

Cooling of a Mechanical Oscillator and Normal Mode Splitting in Optomechanical Systems with Coherent Feedback

open access: yesApplied Sciences, 2019
The ground state cooling of a mechanical oscillator and strong optomechanical coupling are necessary prerequisites for realizing quantum control of the macroscopic mechanical oscillator.
Sumei Huang, Aixi Chen
doaj   +1 more source

Electrodeposition in Structural Lattices of Variable Architectures

open access: yesAdvanced Engineering Materials, EarlyView.
Electrodeposition enables geometry‐sensitive, autonomous void filling while simultaneously tuning chemical and mechanical properties. The development of approaches that can autonomously fill and heal material voids and yield composites with tailorable properties is increasingly relevant in engineering.
Yeong‐Man Kwon   +3 more
wiley   +1 more source

Quantum and classical control of single photon states via a mechanical resonator

open access: yesNew Journal of Physics, 2016
Optomechanical systems typically use light to control the quantum state of a mechanical resonator. In this paper, we propose a scheme for controlling the quantum state of light using the mechanical degree of freedom as a controlled beam splitter ...
Sahar Basiri-Esfahani   +3 more
doaj   +1 more source

Thermal Cycle–Microstructure–Property Relationships in Rail Steel Heat‐Affected Zone Simulated by Gleeble

open access: yesAdvanced Engineering Materials, EarlyView.
Microstructural evolution of premium rail steel during flash butt welding (FBW), comparing physically simulated heat‐affected zones with actual weld regions. Thermal cycles induce phase transformations and microstructural heterogeneity that influence weld quality and mechanical performance. These findings provide insights into optimizing FBW parameters
Emmanoelle Cintra da Cunha Araújo   +15 more
wiley   +1 more source

A wideband resistive beam-splitter screen

open access: yes, 2015
We present the design, construction and measurements of the electromagnetic performance of a wideband space beam splitter. The beam splitter is a sheet in free space that is designed to divide incident radiation into reflected and transmitted components ...
Raghunathan, Agaram   +3 more
core   +1 more source

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