Recent advances in all-optical half-subtractor and full-subtractor based on photonic crystal platforms

F Parandin, S Olyaee, F Heidari, M Soroosh… - Journal of Optical …, 2024 - degruyter.com
A half-subtractor is a digital circuit that subtracts two inputs and displays the result in two
outputs. Photonic crystals (PhCs) are used in optical circuits, including encoders …

Design and implementation of all optical OR and NOR gates based on PhC structure and nonlinear Kerr effect

A Askarian - Journal of Optical Communications, 2022 - degruyter.com
In the present work, nonlinear ring resonator based on two-dimensional hexagonal photonic
crystal structure is designed for all optical OR and NOR gates in the wavelength range of …