Femtosecond sliding self-pumping and self-cleaning effects in nonlinear dynamics of the higher-order induced modulational instability under the strong Raman self …
TL Belyaeva, A Mena-Contla, L Morales-Lara… - Optik, 2021 - Elsevier
We clarify an analytical approach in the theory of modulational instability developed in the
framework of the nonautonomous nonlinear Schrödinger equation model taking into account …
framework of the nonautonomous nonlinear Schrödinger equation model taking into account …
Impact of higher order dispersions and nonlinearities on instability criterion of oppositely directed coupler in the presence of negative index material channel
This paper intends to investigate the modulational instability (MI) criterion of two core
positive-negative index coupler channel setup from the obtained analytical dispersion …
positive-negative index coupler channel setup from the obtained analytical dispersion …
Induced modulational instability in the sign-reversal dispersion traps: Imperfect Fermi–Pasta–Ulam recurrence and partial “déjà vu” phenomenon
A Mena-Contla, L Morales-Lara, R Peña-Moreno… - Optik, 2021 - Elsevier
Our direct computer experiments reveal the main features of the induced modulational
instability in the sign-reversal dispersion traps and offer a clearer view of how nonlinear …
instability in the sign-reversal dispersion traps and offer a clearer view of how nonlinear …
Impact of higher-order effects on modulation instability in negative index materials
M Shackeerali, AKS Ali, A Uthayakumar - Optik, 2022 - Elsevier
In this article, we present a systematic investigation of modulation instability (MI) in negative
index materials (NIMs) with higher-order dispersion and nonlinearity. We adopt the method …
index materials (NIMs) with higher-order dispersion and nonlinearity. We adopt the method …
Role of self-steepening and intra-pulse Raman scattering on modulation instability in three-core oppositely directed coupler
In the presence of higher-order effects, we examine the modulation instability in the three-
core oppositely directed coupler with two negative indexed material channels. We find an …
core oppositely directed coupler with two negative indexed material channels. We find an …
Nonlinear dynamics of “déjà vu” phenomenon in nonautonomous cubic–quintic NLSE models: Complete suppression of rogue waves generation
The main objective of our study consists in revealing the role of the cubic–quintic
nonlinearity in the dynamics of induced modulational instability in nonautonomous nonlinear …
nonlinearity in the dynamics of induced modulational instability in nonautonomous nonlinear …
Enigmas of modulational instability in the zero-gain spectral region: The paradox of large-scale perturbations and the pronounced effect of the rogue-wave peak …
Objective: Despite fifty years of intensive research, the study of modulational instability
continues to be a source of new and intriguing problems. The main objective of our study …
continues to be a source of new and intriguing problems. The main objective of our study …
Role of higher order dispersion on instability criterion of saturable fiber system with non-Kerr nonlinearities
P Mohanraj, R Sivakumar, EES Massoud - Optik, 2022 - Elsevier
We analyze the modulational instability (MI) of a continuous wave (CW) in saturable fiber
systems, including higher-order dispersions, self steepening, and self-frequency shift, cubic …
systems, including higher-order dispersions, self steepening, and self-frequency shift, cubic …
Frequency of DÉJÀ VU Experience and Its Relationship with Stress in Students of The Medical University of Islamabad
Objective: This research aims to evaluate the frequency of déjà vu experience in medical
students and its relationship with stress along with different prognostic factors that lead to …
students and its relationship with stress along with different prognostic factors that lead to …