The strong electric and magnetic resonances in dielectric subwavelength structures have
enabled unique opportunities for efficient manipulation of light–matter interactions. Besides …

The state-of-the-art hardware in artificial neural networks is still affected by the same
capacitive challenges known from electronic integrated circuits. Unlike other emerging …

The bound state soliton pulse, a novel mode-locked output state of fiber lasers, has been
studied extensively to gain a better understanding of soliton interactions and to explain the …

Nonlinear optical properties, such as two-(or multi-) photon absorption (2PA), are of special
interest for technologically important applications in fast optical switching, in vivo imaging …

Ultrashort pulse propagation at the epsilon-near-zero spectral point is numerically
investigated using the finite difference time-domain technique for the pump-probe …

Despite various optical realizations of convolutional neural networks (CNNs), optical
implementation of nonlinear activation functions and pooling operations are still challenging …

We describe a fourth-order accurate finite-difference time-domain scheme for solving
dispersive Maxwell's equations with nonlinear multi-level carrier kinetics models. The …

Photo-generated charge carrier dynamics in two-dimensional layered inorganic–organic
hybrid semiconductor have been presented utilizing linear and nonlinear femtosecond …

In the field of pulsed fiber laser, graphene is a well-known two-dimensional (2D) material for
its excellent optical properties. An alternative approach to the existing method, graphene …

The Lorentz model provides a simple and intuitive approach to linear optical dispersion. In
this paper, we present a nonlinear formulation of the Lorentz model based on an analytical …