Numerical analysis of tunable nonlinear plasmonic router based on nanoscale ring resonators

Abstract

In the advanced plasmonics integrated circuits (PICs) there has been outstanding, continuing interest in developing routers to harness light-matter interactions in nanoscale dimensions with wanted optical properties. In this regard, herein, we introduce an all-optical router based on nanometer ring resonator which surface plasmon resonance (SPR) and nonlinear materials are used simultaneously to enhance high performance range. By changing the radius of the ring resonator and the intensity of the light we achieved control of the parameters and the routing. The results of routing and shifting the central frequency with light intensity and radius of the ring resonator are studied. The performance of the router indicates that a ring is required for each ports, which changes the control parameters to change its central frequency, as well as we can be said the use of switches and filters as other design features. These routers have advantages such as nano scale size, low light intensity, fast response time, integratable and etc., which are highly used in all-optical circuits, image processing and today's modern technology. In our simulation, we consider transmission or reflection of light in each ports based on the finite difference time domain (FDTD).

The methods for iterative computations efficiency improving in Wolfram Mathematica

“…Сучасна прикладна наука майже повністю перейшла від пошуку точних аналітичних розв'язків задач до наближених чисельних широко розповсюдженими fDTD [1][2][3][4][5], МКЕ [6][7][8][9][10] та іншими. Такі методи, крім вагомих обмежень на вид розв'язуваної задачі, для одержання результату з досить високою точністю вимагають використання значних обчислювальних потужностей.…”

Polarization and wavelength routers based on diffractive neural network

“…A multitude of methodologies have been proposed to realize the all-optical router. These encompass diverse approaches, ranging from nanoring resonators [ 21 ] to wavelength routers integrating wavelength converters and delay interferometers [ 22 ], and even orbital angular momentum routers achieved through the utilization of dual tripod atomic systems [ 23 ]. These optical designs are inherently modular, demanding the integration of diverse and various optical components to achieve different functionalities.…”