Results 61 to 70 of about 24,160 (188)

Efficient Spectral Compression of Wavelength-Shifting Soliton and Its Application in Integratable All-Optical Quantization

open access: yesIEEE Photonics Journal, 2019
In this paper, we numerically demonstrate efficient spectral compression (SPC) of wavelength-shifting soliton in a chalcogenide strip waveguide. It is found that the profiles of group-velocity dispersion (GVD) and Kerr nonlinearity play key roles in ...
Chao Mei   +9 more
doaj   +1 more source

Polychromatic Kerr nonlinearity within electromagnetically induced transparency window

open access: yesResults in Physics, 2021
We study the nonlinear effect in a three-level atomic system in Λ configuration. As two or more fields are confined within the common electromagnetically induced transparency (EIT) window, they directly disturb EIT dark state at the same time, which ...
Guang-Hui Wang   +5 more
doaj   +1 more source

Thermal instability of a compound resonator [PDF]

open access: yes, 2009
We investigate the thermal and Kerr nonlinearity in a system of two optically-coupled silica microtoroid resonators experimentally and theoretically. A model for two coupled oscillators describing nonlinear resonance curves is developed. Stability of the
Grudinin, Ivan S., Vahala, Kerry J.
core   +1 more source

Kerr black holes and nonlinear radiation memory [PDF]

open access: yesClassical and Quantum Gravity, 2019
The Minkowski background intrinsic to the Kerr-Schild version of the Kerr metric provides a definition of a boosted spinning black hole. There are two Kerr-Schild versions corresponding to ingoing or outgoing principal null directions. The two corresponding Minkowski backgrounds and their associated boosts differ drastically.
Thomas Mädler, Jeffrey Winicour
openaire   +3 more sources

Joint estimation of noise and nonlinearity in Kerr systems

open access: yesAPL Quantum
We address the characterization of lossy and dephasing channels in the presence of self-Kerr interaction using coherent probes. In particular, we investigate the ultimate bounds to precision in the joint estimation of loss and nonlinearity and of ...
Michele N. Notarnicola   +2 more
doaj   +1 more source

Effects of Kerr Nonlinearity in Physical Unclonable Functions

open access: yesApplied Sciences, 2022
We address the question of whether the presence of Kerr nonlinearity in multiple-scattering optical media offers any advantage with respect to the design of physical unclonable functions.
Georgios M. Nikolopoulos
doaj   +1 more source

Kerr non-linearity in a superconducting Josephson metamaterial

open access: yes, 2018
We present a detailed experimental and theoretical analysis of the dispersion and non-linear Kerr frequency shifts of plasma modes in a one-dimensional Josephson junction chain containing 500 SQUIDs in the regime of weak nonlinearity.
Basko, D.   +11 more
core   +3 more sources

Modulational instability in nonlocal nonlinear Kerr media [PDF]

open access: yesPhysical Review E, 2001
We study modulational instability (MI) of plane waves in nonlocal nonlinear Kerr media. For a focusing nonlinearity we show that, although the nonlocality tends to suppress MI, it can never remove it completely, irrespectively of the particular profile of the nonlocal response function.
Krolikowski, Wieslaw   +3 more
openaire   +4 more sources

Quantum estimation of Kerr nonlinearity in driven-dissipative systems

open access: yesResults in Physics, 2022
We mainly investigate the quantum measurement of Kerr nonlinearity in the driven-dissipative system. Without the dissipation, the measurement precision of the nonlinearity parameter χ scales as “super-Heisenberg scaling” 1/N2 with N being the total ...
Dong Xie, Chunling Xu, An Min Wang
doaj   +1 more source

Wigner function evolution in self-Kerr Medium derived by Entangled state representation

open access: yes, 2010
By introducing the thermo entangled state representation, we convert the calculation of Wigner function (WF) of density operator to an overlap between "two pure" states in a two-mode enlarged Fock space.
Bouwmeester D   +15 more
core   +1 more source

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