The paper reviews the current status and designs of all‐optical gates. Various schemes with
and without semiconductor optical amplifiers are discussed and compared. The optical …

The rapid expansion of Internet traffic shoves the communication networks to optical access
networks for enhancing the transmission information rate. Passive optical network (PON) is a …

The performance of all-optical AND, OR, and NAND gates based on quantum dot
semiconductor optical amplifiers (QDSOAs), which are either incorporated in properly …

A simple method has been proposed to use four-wave mixing to design and simulate the all-
optical AND logic gate in a photonic crystal semiconductor optical amplifier (PC-SOA) that is …

Abstract All-Optical Signal Processing is an emerging technology which can avoid costly
Optical–electronic–optical (O–E–O) conversions which are usually compulsory in traditional …

All-optical signal processing plays an important role in the development of ultrahigh speed
optical networks. All-optical logic schemes, such as OR, AND, NOT, and XOR gates, are …

This work demonstrates and optimizes novel simple design of two inputs all optical logic
gates (NOT, AND, OR and NOR) using cross gain modulation technique at 40 Gbit/s. The …

Communication networks are forced to transition to optical access networks in order to boost
the information rate of transmission due to huge utilization of internet. Passive optical …

The photonic firewall that can directly detect intrusion in the optical layer is an important
network security tool for optical networks. The all-optical matching system is the core part of …

Abstract The symmetric Modified Signed-Digit (MSD) encoding is important for achieving the
one-step MSD adder of Ternary Optical Computer (TOC). The paper described the …