Measurement of the Kerr nonlinear refractive index of the Rb vapor based on an optical frequency comb using the z-scan method

S Wang, J Yuan, L Wang, L Xiao, S Jia - Optics Express, 2020 - opg.optica.org
We report the measurement of the Kerr nonlinear refractive index of the rubidium vapor via
the high sensitivity z-scan method by using an optical frequency comb. The novel self …

Measuring saturable nonlinearity in atomic vapor via direct spatial mapping

J Wu, P Jia, S Wang, X Wang, J Yuan, L Wang, Y Hu… - Optics …, 2022 - opg.optica.org
We demonstrate a scheme to measure the saturable nonlinearity of atomic vapor by
mapping its nonlinear response function onto a light beam profile. Our analysis shows that a …

Numerical analysis of optical properties of oblate semi-spheroid-shaped quantum dots coupled to wetting layer

M Shahzadeh, M Sabaeian - JOSA B, 2015 - opg.optica.org
The authors report optical nonlinearity enhancement in oblate semi-spheroid-shaped
quantum dots (QDs) coupled to a wetting layer. To reach this result, two groups of InAs/GaAs …

Transformation of optical speckles by atomic vapors: From Rayleigh to Weibull intensity statistics

IL Rodrigues, JP Lopez, T Passerat de Silans - Physical Review A, 2024 - APS
We investigate the transformation of Rayleigh speckle patterns by an atomic cesium vapor.
After propagation through the atomic vapor, the incident exponentially decaying intensity …

Transit effects for non-linear index measurement in hot atomic vapors

T Aladjidi, M Abuzarli, G Brochier, T Bienaimé… - arXiv preprint arXiv …, 2022 - arxiv.org
Hot atomic vapors are widely used in non-linear and quantum optics due to their large Kerr
non-linearity. While the linear refractive index and the transmission are precisely measured …

[HTML][HTML] Quantum mode-locked Faraday laser

Z Gao, Z Wang, Z Liu, Z Zhang, J Chen - Applied Physics Letters, 2025 - pubs.aip.org
We report an external-cavity mode-locked semiconductor laser that uses a Faraday atomic
filter as a saturable absorber (SA), termed as the quantum mode-locked Faraday laser. The …

Semiclassical calculation of the power saturation of the Kerr effect in Rb vapor

ZH Levine, Z Du - JOSA B, 2023 - opg.optica.org
The Kerr effect in atomic vapor may be regarded as the power saturation of the susceptibility.
Hence the saturable Kerr effect is intimately tied to the standard Kerr effect. Here, we …

Controlling the intensity statistics of speckle patterns: From normal to subthermal or superthermal distributions

SB Alves, HLDS Cavalcante, GF de Oliveira Jr… - Physical Review A, 2019 - APS
We study the propagation of speckle patterns in a tunable nonlinear medium. Starting from a
spatial pattern of photons with a normal distribution (speckle field), we characterize the …

Theoretical study of high order and saturable Kerr media nonlinearities in Z-scan

JFM dos Santos, GGG Costa, DN Messias… - Optics …, 2021 - Elsevier
Abstract Based on Fresnel–Kirchhoff diffraction theory, the effect of high order nonlinearities
and saturable Kerr media in Z-scan experiments are theoretically investigated. Analytical …

Sensitivity enhancement of nonlinear refractive index measurement by Gaussian-Bessel beam assisted z-scan method

W Gao, S Wang, J Yuan, L Wang, L Xiao, S Jia - Optics Express, 2022 - opg.optica.org
Characterizing the nonlinear optical properties of numerous materials plays a prerequisite
role in nonlinear imaging and quantum sensing. Here, we present the evaluation of the …