Results 141 to 150 of about 20,560 (308)

Femtosecond Laser Breaks the Lattice Symmetry and Induces Broadband Second Harmonic Generation in 3D Halide Perovskites

open access: yesLaser &Photonics Reviews, EarlyView.
3D halide perovskites have shown no second harmonic generation (SHG) due to the centrosymmetric nature. The femtosecond (fs) laser ablation breaks their inversion symmetry and formed microstructures of AmPbX3‐n, (0
Guan‐Feng Gao   +15 more
wiley   +1 more source

SOLUTION OF HARMONIC OSCILLATOR OF NONLINEAR MASTER SCHRÖDINGER

open access: yesJurnal Fisika, 2012
We have computed the solution of a nonrelativistic particle motion in a harmonic oscillator potential of the nonlinear master Schrödinger equation. The equation itself is based on two classical conservation laws, the Hamilton-Jacobi and the continuity ...
T B Prayitno
doaj  

A Scalable Quadratic Nonlinear Silicon Photonics Platform With Printable Entangled Photon‐Pair Sources

open access: yesLaser &Photonics Reviews, EarlyView.
A scalable quadratic nonlinear photonic platform is demonstrated by heterogeneously integrating periodically poled lithium niobate with silicon photonics. Relying on the superior CMOS fabrication tolerances, reproducible and deterministic phase‐matching is achieved.
Tom Vandekerckhove   +16 more
wiley   +1 more source

Phenotypical Differentiation of Tremor Using Time Series Feature Extraction and Machine Learning

open access: yesMovement Disorders, EarlyView.
Abstract Background The clinical diagnosis of tremor disorders depends on the interpretation of subtle movement characteristics, signs, and symptoms. Given the absence of a universally accepted biomarker, differentiation between essential tremor (ET) and tremor‐dominant Parkinson's disease (PD) frequently proves to be non‐trivial. Objective To identify
Verena Häring   +16 more
wiley   +1 more source

Exact solutions of the harmonic oscillator plus non-polynomial interaction. [PDF]

open access: yesProc Math Phys Eng Sci, 2020
Dong Q   +4 more
europepmc   +1 more source

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