Intensity spectrum analysis of a jittery train after temporal Talbot dispersive line with second order dispersion

2005 ◽  
Author(s):  
Laura Chantada ◽  
Carlos R. Fernández-Pousa ◽  
Carlos Gómez-Reino
Keyword(s):  
Spectrum Analysis ◽  
Second Order ◽  
Order Dispersion ◽  
Dispersive Line

Large Signal Analysis of FM-AM Conversion in Dispersive Optical Fibers for PCM Systems Including Second Order Dispersion

2002 ◽  
Vol 21 (3) ◽  
pp. 193-203 ◽  
Author(s):  
R. S. Kaler ◽  
T. S. Kamal ◽  
Ajay K. Sharma ◽  
Sandeep K. Arya ◽  
R. A. Agarwala
Keyword(s):  
Optical Fibers ◽  
Signal Analysis ◽  
Second Order ◽  
Large Signal ◽  
Order Dispersion

Second-order dispersion interactions in π-conjugated polymers

2011 ◽  
Vol 134 (23) ◽  
pp. 234101 ◽  
Author(s):  
William Barford ◽  
Nattapong Paiboonvorachat ◽  
David Yaron
Keyword(s):  
Conjugated Polymers ◽  
Second Order ◽  
Dispersion Interactions ◽  
Order Dispersion

scholarly journals Simplified Tuning of Long-Range Corrected Density Functionals for Use in Symmetry-Adapted Perturbation Theory

2021 ◽  
Author(s):  
Montgomery Gray ◽  
John Herbert
Keyword(s):  
Perturbation Theory ◽  
Asymptotic Behavior ◽  
Long Range ◽  
System Size ◽  
Second Order ◽  
Density Functionals ◽  
Hole Making ◽  
Large Systems ◽  
Automated Tuning ◽  
Order Dispersion

Long considered a failure, second-order symmetry-adapted perturbation theory (SAPT) based on Kohn-Sham orbitals, or SAPT(KS), can been resurrected for semiquantitative purposes using long-range corrected (LRC) density functionals whose asymptotic behavior is adjusted separately for each monomer. As in other contexts, correct asymptotic behavior can be enforced via "optimal tuning" of LRC functionals, based on the ionization energy theorem, but the tuning procedure is tedious, expensive for large systems, and comes with a troubling dependence on system size. Here, we show that essentially identical results are obtained using an automated tuning procedure based on the size of the exchange hole, making tuned "SAPT(wKS)" fast and convenient. In conjunction with SAPT-based methods that sidestep second-order dispersion, this procedure achieves benchmark-quality interaction energies, along with the usual SAPT energy decomposition, without the hassle of system-specific tuning.

Numerical Analysis of Optical Properties Using Octagonal Shaped Photonic Crystal Fiber

2019 ◽  
Vol 0 (0) ◽  
Author(s):  
Ahmed Nabih Zaki Rashed ◽  
Mohammed Salah F. Tabbour ◽  
P. Vijayakumari
Keyword(s):  
Optical Properties ◽  
Photonic Crystal ◽  
Numerical Analysis ◽  
Photonic Crystal Fiber ◽  
Propagation Constant ◽  
Second Order ◽  
Crystal Fiber ◽  
Proposed Model ◽  
Broadband Spectrum ◽  
Order Dispersion

AbstractIn this paper, we propose a design of octagonal photonic crystal fiber with relevant parameters such as effective mode index, propagation constant, second-order dispersion and field distribution of fundamental mode (LP01). The measured parameters can be applied for generating supercontinuum, and also this model is used especially for generating vortex modes and OAM modes in space division multiplexing (SDM) applications. Highly negative dispersion is achieved at −800 ps/nm.km at wavelength of 1.1 μm, and second-order dispersion profile leads to study about the nonlinearity as well as broadband spectrum of the proposed model.

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