Observation of linear and nonlinear strongly localized modes at phase-slip defects in one-dimensional photonic lattices

2010 ◽  
Vol 35 (18) ◽  
pp. 3099 ◽  
Author(s):  
Petra P. Beličev ◽  
Igor Ilić ◽  
Milutin Stepić ◽  
Aleksandra Maluckov ◽  
Yang Tan ◽  
...  
Keyword(s):  
Phase Slip ◽  
Localized Modes ◽  
One Dimensional ◽  
Photonic Lattices ◽  
Linear And Nonlinear

Quasi-one-dimensional photonic lattices and superlattices in lithium niobate: Linear and nonlinear discrete diffraction of light

2010 ◽  
Vol 18 (1) ◽  
pp. 1-6 ◽  
Author(s):  
S. A. Davydov ◽  
P. A. Trenikhin ◽  
V. M. Shandarov ◽  
K. V. Shandarova ◽  
D. Kip ◽  
...  
Keyword(s):  
Lithium Niobate ◽  
One Dimensional ◽  
Photonic Lattices ◽  
Diffraction Of Light ◽  
Discrete Diffraction ◽  
Linear And Nonlinear

Simulation-based site amplification model for shallow bedrock sites in Korea

2021 ◽  
pp. 875529302098198
Author(s):  
Muhammad Aaqib ◽  
Duhee Park ◽  
Muhammad Bilal Adeel ◽  
Youssef M A Hashash ◽  
Okan Ilhan
Keyword(s):  
Linear Models ◽  
Site Response ◽  
Site Amplification ◽  
One Dimensional ◽  
Nonlinear Component ◽  
Nonlinear Site Response ◽  
Simulation Based ◽  
Linear And Nonlinear ◽  
Input Motion ◽  
Nonlinear Components

A new simulation-based site amplification model for shallow sites with thickness less than 30 m in Korea is developed. The site amplification model consists of linear and nonlinear components that are developed from one-dimensional linear and nonlinear site response analyses. A suite of measured shear wave velocity profiles is used to develop corresponding randomized profiles. A VS30 scaled linear amplification model and a model dependent on both VS30 and site period are developed. The proposed linear models compare well with the amplification equations developed for the western United States (WUS) at short periods but show a distinct curved bump between 0.1 and 0.5 s that corresponds to the range of site natural periods of shallow sites. The response at periods longer than 0.5 s is demonstrated to be lower than those of the WUS models. The functional form widely used in both WUS and central and eastern North America (CENA), for the nonlinear component of the site amplification model, is employed in this study. The slope of the proposed nonlinear component with respect to the input motion intensity is demonstrated to be higher than those of both the WUS and CENA models, particularly for soft sites with VS30 < 300 m/s and at periods shorter than 0.2 s. The nonlinear component deviates from the models for generic sites even at low ground motion intensities. The comparisons highlight the uniqueness of the amplification characteristics of shallow sites that a generic site amplification model is unable to capture.

scholarly journals Phase slip process and charge density wave dynamics in a one dimensional conductor

2017 ◽  
Vol 7 ◽  
pp. 3277-3280 ◽  
Author(s):  
N. Habiballah ◽  
M. Zouadi ◽  
A. Arbaoui ◽  
M. Qjani ◽  
J. Dumas
Keyword(s):  
Charge Density ◽  
Charge Density Wave ◽  
Density Wave ◽  
Phase Slip ◽  
One Dimensional ◽  
Wave Dynamics

PIEZOELECTRIC MATERIAL AND ONE-DIMENSIONAL PHONONIC CRYSTAL

2019 ◽  
Vol 26 (02) ◽  
pp. 1850144 ◽  
Author(s):  
ARAFA H. ALY ◽  
AHMED NAGATY ◽  
Z. KHALIFA
Keyword(s):  
Electric Field ◽  
Piezoelectric Material ◽  
Material Properties ◽  
Phononic Crystal ◽  
Defect Layer ◽  
Phononic Crystals ◽  
Localized Modes ◽  
One Dimensional ◽  
Energy Applications ◽  
Relative Change

We have theoretically obtained the transmittance properties of one-dimensional phononic crystals incorporating a piezoelectric material as a defect layer. We have used the transfer matrix method in our analysis with/without defect materials. By increasing the thickness of the defect layer, we obtained a sharp peak created within the bandgap, that indicates to the significance of defect layer thickness on the band structure. The localized modes and a particular intensity estimated within the bandgap depend on the piezoelectric material properties. By applying different quantities of an external electric field, the position of the peak shifts to different frequencies. The electric field induces a relative change in the piezoelectric thickness. Our structure may be very useful in some applications such as sensors, acoustic switches, and energy applications.

Anomalous refraction in disordered one-dimensional photonic lattices

2013 ◽  
Vol 31 (1) ◽  
pp. 105 ◽  
Author(s):  
Lei Xu ◽  
Yi Yin ◽  
Fang Bo ◽  
Jingjun Xu ◽  
Guoquan Zhang
Keyword(s):  
One Dimensional ◽  
Photonic Lattices

Asymmetric defects in one-dimensional photonic lattices

Laser Physics ◽  
2021 ◽  
Vol 31 (2) ◽  
pp. 023001
Author(s):  
Slavica Jovanović ◽  
Marija Stojanović Krasić
Keyword(s):  
One Dimensional ◽  
Photonic Lattices
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