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Subharmonic Resonance in the Nonlinear Mathieu Equation
Subharmonic Resonance Nonlinear Mathieu Equation
2015/8/27
Subharmonic Resonance in the Nonlinear Mathieu Equation.
The Damped Nonlinear Quasiperiodic Mathieu Equation Near 2:2:1 Resonance
parametric excitation quasiperiodic resonance
2015/8/27
Byusingadoubleperturbationmethodwhichassumesthatbothε andμaresmall,we approximate analytical conditions for the existence and bifurcation of nonlinear quasiperiodic motions in the neighborhood of the ...
2:1 Resonance in the delayed nonlinear Mathieu equation
Averaging Degenerate Hopf Delay Nonlinear Mathieu Parametric excitation
2015/8/27
We investigate the dynamics of a delayed nonlinear Mathieu equation:¨ x + (δ + εα cost)x + εγx 3 = εβx(t − T) in the neighborhood of δ = 1/4. Three different phe-nomena are combined in this syst...
Slow Passage through Multiple Parametric Resonance Tongues
Parametric excitation slow passage multiple resonances amplification
2015/8/27
This work concerns linear parametrically excited systems that involve multiple resonances. The property of such systems is that if the parameters are fixed and lie inside a resonance tongue, the motio...
Disappearance of Resonance Tongues
Resonance Parametric excitation Tongue of instability 2:1 subharmonic
2015/8/26
We investigate a phenomenon observed in systems of the form dx/dt = a 1 (t)x+a 2 (t)y,dy/dt = a 3 (t)x+a 4 (t)y,where a i (t) = P i + ε Q i cos2t, where P i ,Q i and ε are given constants,and where it...
Displacement-sensitive photonic crystal structures based on guided resonance in photonic crystal slabs
Displacement-sensitive photonic crystal structures guided resonance photonic crystal slabs
2015/8/11
We introduce a mechanically tunable photonic crystal structure consisting of coupled photonic crystal slabs. Using both analytic theory, and first-principles finite-difference time-domain ...
DETERMINATION OF CHARACTERISTIC SITE PERIOD AND PRELIMINARY GROUND RESPONCE ANALYSIS ACCORDING TO RESONANCE BY USING GIS
Analysis Building Earthquakes GIS Hazards Soil
2015/7/30
Ground response analyses are mostly used for the development of design response spectra in the modern earthquake engineering.
After 1999 Marmara Earthquake, the damages were mostly related with unav...
FAYETTEVILLE, Ark. – An international team of scientists predicts that a phenomenon known in physics as Fano resonance can exist in materials that are used in electronic devices.
Total Absorption in a Graphene Monolayer in the Optical Regime by Critical Coupling with a Photonic Crystal Guided Resonance
graphene photonic crystal near-infrared critical coupling guided resonance absorption enhancement
2015/8/6
We numerically demonstrate total absorption in graphene in the near-infrared and visible wavelength ranges by means of critical coupling with guided resonances of a photonic crystal slab. In this wave...
Optical Fano resonance of an individual semiconductor nanostructure
Optical Fano resonance semiconductor nanostructure
2015/8/6
Fano resonances with a characteristic asymmetric line shape can be observed in light scattering, transmission and reflection spectra of resonant optical systems1.
Condition for perfect antireflection by optical resonance at material interface
Condition perfect antireflection optical resonance material interface
2015/8/6
Reflection occurs at an air–material interface. The development of antireflection schemes, which aims to cancel such reflection, is important for a wide variety of applications including solar cells a...
Double-layer Fano resonance photonic crystal filters
Photonic crystals Optical filters Nanophotonics photonic crystals
2015/8/7
We report ultra-compact surface-normal high-Q optical filters based on single- and double-layer stacked Fano resonance photonic crystal slabs on both Si and quartz substrates. A single layer photonic ...
Coupled double-layer Fano resonance photonic crystal filters with lattice-displacement
Coupled double-layer Fano resonance photonic crystal filters lattice-displacement
2015/8/7
We present here ultra-compact high-Q Fano resonance filters with displaced lattices between two coupled photonic crystal slabs, fabricated with crystalline silicon nanomembrane transfer printing...
We show how to calculate the first- and second-order statistics of the scattered fields for an arbitrary intensity coherent-state light field interacting with a two-level system in a...
Temporal coupled-mode theory for light scattering by an arbitrarily shaped object supporting a single resonance
Temporal coupled-mode theory light scattering single resonance
2015/8/7
We develop a temporal coupled-mode theory to describe the interaction of plane wave with an individual scatterer having an arbitrary shape. The theory involves the expansion of the fields on cyl...