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5 papers · 1 filter
Monte Carlo Studies of the Fundamental Limits of the Intrinsic Hyperpolarizability
Mark C. Kuzyk, Mark G. Kuzyk
The off-resonant hyperpolarizability is calculated using the dipole-free sum-over-stats expression from a randomly chosen set of energies and transition dipole moments that are for…
Studies on optimizing potential energy functions for maximal intrinsic hyperpolarizability
Juefei Zhou, Urszula B. Szafruga, David S. Watkins +1
We use numerical optimization to study the properties of (1) the class of one-dimensional potential energy functions and (2) systems of point charges in two-dimensions that yield t…
Two-photon fluorescence measurements of reversible photodegradation in a dye-doped polymer
Ye Zhu, Juefei Zhou, Mark G. Kuzyk
We report on the dynamics of photodegradation and subsequent recovery of two-photon fluorescence in a dye-doped polymer. The energy dependence suggests that photo-degradation is a…
Pushing the hyperpolarizability to the limit
Juefei Zhou, Mark G. Kuzyk, David S. Watkins
We use numerical optimization to find a one-dimensional potential energy function that yields the largest hyperpolarizability, which we find is within 30% of the fundamental limit.…
Effect of a thin optical Kerr medium on a Laguerre-Gaussian beam
Weiya Zhang, Mark G. Kuzyk
Using a generalized Gaussian beam decomposition method we determine the propagation of a Laguerre-Gaussian beam that has passed through a thin nonlinear optical Kerr medium. The or…