Enhancement of nonlinear optical response of 26Adamanzane by doping with alkali metals exohedrally and alkaline earth metals endohedrally: a DFT study
The quest for nonlinear optical (NLO) crystals, which are essential for future optical
understanding, detailed evaluations, and present laser gadgets, is a prominent concern in …
understanding, detailed evaluations, and present laser gadgets, is a prominent concern in …
Hyper-Rayleigh scattering in centrosymmetric systems
MD Williams, JS Ford, DL Andrews - The Journal of Chemical Physics, 2015 - pubs.aip.org
Hyper-Rayleigh scattering (HRS) is an incoherent mechanism for optical second harmonic
generation. The frequency-doubled light that emerges from this mechanism is not emitted in …
generation. The frequency-doubled light that emerges from this mechanism is not emitted in …
Assessing limitations to the two-level approximation in nonlinear optics for organic chromophores by ab initio methods
MM Coles, JN Peck, VS Oganesyan… - Linear and Nonlinear …, 2011 - spiedigitallibrary.org
The use of a two-level approximation to simply characterize the nonlinear optical properties
of organic materials is well known. Usually only electronic ground states are significantly …
of organic materials is well known. Usually only electronic ground states are significantly …
Mechanisms universally permitting hyper-Rayleigh scattering
MD Williams, JS Ford… - … and Conversion: Materials …, 2015 - spiedigitallibrary.org
Hyper-Rayleigh scattering (HRS) is an incoherent variant of second harmonic generation.
The theory involves terms of increasing order of optical nonlinearity: for molecules or unit …
The theory involves terms of increasing order of optical nonlinearity: for molecules or unit …
Failure of the two-level and sum over states methods in nonlinear optics, demonstrated by ab initio methods
MM Coles, JN Peck, VS Oganesyan… - Nonlinear Optics and …, 2012 - spiedigitallibrary.org
When calculating nonlinear susceptibilities, a widely used two-level approximation in a sum-
over states formulation is the exclusion of all but the ground state and one single excited …
over states formulation is the exclusion of all but the ground state and one single excited …
A quantum electrodynamical approach to nonlinear and structured light interactions with matter
M Williams - 2016 - ueaeprints.uea.ac.uk
This thesis employs molecular quantum electrodynamical theory to analyse the interactions
between light and matter for four main processes. The first to be considered is Raman …
between light and matter for four main processes. The first to be considered is Raman …
[PDF][PDF] A QED framework for nonlinear and singular optics
M Coles - 2014 - ueaeprints.uea.ac.uk
The theory of quantum electrodynamics is employed in the description of linear and
nonlinear optical effects. We study the effects of using a two energy level approximation in …
nonlinear optical effects. We study the effects of using a two energy level approximation in …