Employing nonlinear spectral imaging technique based on two-photon-excited fluorescence and second-harmonic generation (......

The first hyperpolarizabilities ('beta') of four azobenzene derivatives are measured via hyper-Rayleigh scattering (HR......

Gold nanoparticles (NPs) have highly efficient multi-photon-induced luminescence. In this paper, we record the two-photo......

The visible and near-UV emission spectroscopy of methane (CH4...

The spectral properties of entangled photon pairs generated via quasi-phased matching in spontaneous parametric down-con......

We report the upconversion luminescence of lithium fluoride single crystals excited by an infrared femtosecond laser at ......

Hyper-Rayleigh scattering (HRS) technique has been used to study second-order nonlinear optical (NLO) properties of some......

Two-photon excited spectroscopies from ex vivo human skin are investigated by using a femtosecond laser and a confocal m......