Nonlinear Fourier transform enabled eigenvalue spectrum investigation for fiber laser radiation

Y Wang, S Fu, J Kong, A Komarov, M Klimczak… - Photonics …, 2021 - opg.optica.org
Fiber lasers are a paradigm of dissipative systems, which distinguish themselves from a
Hamilton system where energy is conservative. Consequently, pulses generated in a fiber …

Fabrication of diamond nanoneedle arrays containing high‐brightness silicon‐vacancy centers

J Lu, B Yang, B Yu, H Li, N Huang… - Advanced Optical …, 2021 - Wiley Online Library
The optically active silicon‐vacancy (SiV) center in diamonds is an excellent candidate for
quantum photonics and sensing applications. To date, optimizing the photoluminescence …

Nonlinear Fourier transform for analysis of optical spectral combs

SK Turitsyn, IS Chekhovskoy, MP Fedoruk - Physical Review E, 2021 - APS
The nonlinear Fourier transform (NFT) is used to characterize the optical combs in the
Lugiato-Lefever equation with both anomalous and normal dispersion. We demonstrate that …

A prince for the sleeping beauty-NFT for soliton signal processing

Y Wang, C Li, F Chen, H Lan, S Fu, M Klimczak… - Optics …, 2023 - Elsevier
The soliton, the eigen-solution of nonlinear Schrodinger equation (NLSE), has been
investigated in many branches of physics. The first prediction of a soliton in optical fiber …

Neural networks for computing and denoising the continuous nonlinear Fourier spectrum in focusing nonlinear Schrödinger equation

EV Sedov, PJ Freire, VV Seredin, VA Kolbasin… - Scientific Reports, 2021 - nature.com
We combine the nonlinear Fourier transform (NFT) signal processing with machine learning
methods for solving the direct spectral problem associated with the nonlinear Schrödinger …

Neural network for calculating direct and inverse nonlinear Fourier transform

EV Sedov, IS Chekhovskoy, JE Prilepsky - Quantum Electronics, 2021 - iopscience.iop.org
A neural network architecture is proposed that allows a continuous nonlinear spectrum of
optical signals to be predicted and an inverse nonlinear Fourier transform (NFT) to be …

Nonlinear Fourier transform assisted high-order soliton characterization

Y Wang, F Chen, S Fu, J Kong, A Komarov… - New Journal of …, 2022 - iopscience.iop.org
Nonlinear Fourier transform (NFT), based on the nonlinear Schrödinger equation, is
implemented for the description of soliton propagation, and in particular focused on …

Effect of the Dispersion Orders on the Widths of the Coexistence Domain and Combs Spectra of Bright and Dark Solitons in Microresonators

WA Kangmafo Miendjim, C Kammegne… - … Journal of Optics, 2023 - Wiley Online Library
Using the Lugiato–Lefever model, we base on the hysteresis approach to analyze the
coexistence domain of bright and dark solitons in the zero, normal, and anomalous …

Accurate Computation of b-Coefficients in Nonlinear Fourier Transform for the Manakov Equation

G Zhou, S Fu, M Xiang, APT Lau… - Journal of Lightwave …, 2023 - ieeexplore.ieee.org
In recent years, nonlinear Fourier transform (NFT) has been intensely researched as a
scheme for communication over the nonlinear optical fiber and characterizing dynamics in …

Raman lasing and other nonlinear effects based on ultrahigh-QCaF2 optical resonator

T Xing, E Xing, T Jia, J Li, J Rong, Y Zhou… - Chinese …, 2022 - iopscience.iop.org
The calcium fluoride (CaF 2) whispering gallery mode crystalline resonator is an excellent
platform for nonlinear optical applications because of the decreasing in threshold caused by …