نتایج جستجو برای: all optical logic gate

تعداد نتایج: 2260900  

Journal: :Opto-Electronic Advances 2023

Optical logic gates play important roles in all-optical circuits, which lie at the heart of next-generation optical computing technology. However, intrinsic contradiction between compactness and robustness hinders development this field. Here, we propose a simple design principle that can possess multiple-input-output states according to incident circular polarization direction based on metasur...

2014
Goutam Kumar Maity Supriti Samanta Ashis Kumar Mandal

Reversible logic is emerged as a promising computing paradigm with applications in low-power CMOS, quantum computing, optical computing and nanotechnology. Optical logic gates become potential component to work at macroscopic (light pulses carry information), or quantum (single photon carries information) levels with high efficiency. In this paper, we propose a novel scheme of Hybrid new gate r...

1998
Kerry Vahala Roberto Paiella Guido Hunziker

Ultrafast all-optical logic gates that accept optical inputs in which wavelength designates bit position within the overall byte are proposed and demonstrated. Four-wave mixing is shown to provide a conditional test function that can be used to construct any multi-input logic gate. Polarization provides the logic state for each bit. Implementations that use semiconductor optical amplifiers as t...

2014
Goutam Kumar Maity Ashis Kumar Mandal Supriti Samanta

Since the seventies of the past century the reversible logic has originated as an unconventional form of computing. It is new relatively in the area of extensive applications in quantum computing, low power CMOS, DNA computing, digital signal processing (DSP), nanotechnology, communication, optical computing, computer graphics, bio information, etc .Here we present and configure a new TAND gate...

2014
Rekha Mehra Kajal Bhadel

In this paper, we present the design of All-optical OR logic gate based on 2-D (two dimension) photonic crystals. To realize this, we consider the photonic crystals (PCs) with a square lattice of dielectric rods (refractive index=3.40). These rods are surrounded by air (refractive index=1).First we design the structure using the Finite Difference Time Domain (FDTD) method and in second step, we...

Journal: :CoRR 2017
Tuomo von Lerber Matti Lassas Quang Trung Le Vladimir Lyubopytov Arkadi Chipouline Klaus Hofmann Franko Kueppers

A programmable optical computer has remained an elusive concept. To construct a practical computing primitive equivalent to an electronic Boolean logic, one should find a nonlinear phenomenon that overcomes weaknesses present in many optical processing schemes. Ideally, the nonlinearity should provide a functionally complete set of logic operations, enable ultrafast all-optical programmability,...

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