We employ seven optical waveguides based on two-dimensional linear photonic crystal
(LPhC) to realize an all optical comparator (AOCMP). The proposed 1-bit AOCMP has a very …

Photonic crystals are suitable structures for designing various types of optical logic circuits.
In this paper, an all-optical comparator is designed and simulated using two-dimensional …

A comparator is one of the important combinational logic circuits. An optical comparator was
designed and simulated based on photonic crystals. Point and linear defects were also used …

Optical logic devices are the inevitable need for the future all optical computing and data
processing. In this paper we are going to design and propose an all optical half subtractor …

We propose an all optical 1-bit comparator design based on the two dimensional (2D)
photonic crystal ring resonator (PhCRR) coupled to six optical waveguides. The two …

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 …

In this paper, a new scheme of all optical 2× 4 decoder is proposed based on two
dimensional photonic crystals. Unlike previous works, the proposed structure is designed by …

All-optical multifunctional structures are at the beginning of the growth and development
path to achieve an all-optical integrated circuit (AOIC). The main challenge of designing …

Optical comparators can play crucial roles in the all-optical digital circuits required for optical
calculation and optical processing. A typical digital comparator is a logic circuit that can …

All optical analog to digital converters will play crucial roles in the future generation of all
optical data processing. Cascading optical limiters is a suitable method for designing all …