Results 121 to 130 of about 1,368,587 (205)

Reconfigurable Geometric Phase Matching by Multilayered Nonlinear Thin‐Film Crystals

open access: yesLaser &Photonics Reviews, EarlyView.
The concept of geometric phase matching is demonstrated as a dynamically reconfigurable approach for tunable nonlinear wave mixing in multilayered nonlinear thin‐film crystals. Experimental results reveal full modulation in a bilayer structure and near‐perfect spin‐selective phase matching of second‐harmonic generation in an eight‐layer configuration ...
Danielle Ben‐Haim   +3 more
wiley   +1 more source

Hermite polynomials in Quantum Harmonic Oscillator [PDF]

open access: yes, 2010
Article published in Mathematics Exchange, 7(1), 2010.In quantum mechanics and in other branches of physics, it is common to approach physical problems using algebraic and analytic methods.
Aravanis, Christos T.
core  

Dual‐Comb Spectroscopy With Fully Controlled Repetition Rate and Offset Frequency of Quantum Cascade Laser Frequency Combs

open access: yesLaser &Photonics Reviews, EarlyView.
Independent control of the repetition rate and offset frequency is demonstrated in quantum cascade laser frequency combs using radio‐frequency injection and thermal tuning. A revised comb model anchored at optical frequencies captures the unique behavior under radio‐frequency injection and enables precise frequency control.
Jie Liu   +5 more
wiley   +1 more source

Local approach to quantum entanglement [PDF]

open access: yes, 2008
Quantum entanglement is the key property that makes quantum information theory different from its classical counterpart and is also a valuable physical resource with massive potential for technological applications.
Lin, H-C, Ho-Chih, L., Lin, H.-C.
core  

Steady‐State and Dynamic Behavior of Geometry‐Tunable Microfluidic Passive Flow Regulators

open access: yesSmall, EarlyView.
Passive microfluidic flow regulators exhibit geometry‐dependent dynamic behavior, where channel width governs the resistance–compliance interactions within the system. Narrow channels produce faster responses with higher bandwidth, while wider channels yield slower responses and stronger attenuation.
Huy Hoang Vu   +4 more
wiley   +1 more source

Multiscale Quantum Harmonic Oscillator Algorithm for Multimodal Optimization. [PDF]

open access: yesComput Intell Neurosci, 2018
Wang P   +5 more
europepmc   +1 more source

Finite Quantum Harmonic Oscillator ∗

open access: yes, 2004
The harmonic oscillator has infinities that presage those of field theory arising from its singular groups. Group regularization transforms it to a finite quantum theory based on a quantum time.
Mohsen Shiri-garakani   +1 more
core  

Phase of the quantum harmonic oscillator with applications to optical polarization [PDF]

open access: yes, 1993
The phase of the quantum harmonic oscillator, the temporal distribution of a particle in a square-well potential, and a quantum theory of angles are derived from a general theory of complementarity.
Shepard, Scott R.
core  

Near‐Atomic Investigation on the Elemental Redistribution During Coprecipitation of Nano‐Sized Kappa‐Type and B2 Precipitates in an Al‐Alloyed Lightweight Steel

open access: yessteel research international, EarlyView.
Elemental redistribution during coprecipitation of kappa (κ)‐type and B2 precipitates in an Al‐alloyed lightweight steel is revealed by atom probe tomography (APT) and density functional theory (DFT). Fe and Ni redistribution promotes the evolution of B2 phase from NiAl‐type toward FeAl‐type and improves the stability of κ and B2 phases during ...
Bowen Zou   +6 more
wiley   +1 more source

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