The idea of photonic crystal came to be when E. Yablonovitch and S. John recommended a
structure in 1987 having periodic alteration of refractive index in one or multiple directions …

There is a strong need for mobile devices and computers that process and transmit data at
higher rates. Therefore, photonic crystals have recently gained popularity and are used to …

In this paper, we are going to propose and design an all optical half adder based on
photonic crystal structures. For realizing the proposed structure, we will use two nonlinear …

In this paper we are going to propose and design an all optical full adder based on photonic
crystal. For realizing the proposed structure we will use four nonlinear resonant cavities …

In this paper we used three nonlinear resonant rings inside two dimensional photonic
crystals structure for realizing all optical half-adder gate. The nonlinear resonant rings were …

A two-dimensional photonic-crystal-based structure was used for designing a novel structure
for realizing an all-optical half-subtractor. The proposed structure was designed by …

Optical comparators are essential elements required for creating all optical digital systems
used in optical data processing. A new structure is proposed for designing a 1-bit optical …

Owing to its potential advantages such as scalability, low latency and power efficiency,
optical computing has seen rapid advances over the last decades. Here, we present the …

In the present paper, we aim to report an ultra-compact AlGaAsκ^(3) photonic crystal
structure to realize multifunctional logic responses. The properties of the proposed model …

All optical subtractors are one of the optical digital devices that will play crucial roles in the
next generation all optical data processing. In this paper we used three nonlinear photonic …