Design of all-optical OR/NAND logic gate using plasmonic metal-insulator-metal waveguide

Choudhary, Kuldeep; Mishra, Saurabh; Singh, Sonika; Kumar, Santosh

doi:10.1117/12.2576753

Cited by 4 publications

(4 citation statements)

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“…1. At 1550 nm, the suggested all-optical logic gates are functional based on four criteria: transmission [19], contrast ratio (CR) [19], modulation depth (MD) [19], and insertion loss (IL) [23]. Table 2 shows the performance's equations.…”

Section: Figure 1 Framework Of Plasmonic Gatesmentioning

confidence: 99%

Fundamentals Plasmonic Logic Gates at Nano Scale Structure and 1550 nm Wavelength

Al-Tameemi,

Al-Sabea,

Hayati

et al. 2023

IJNSN

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This article posits, simulates, designs, and implements all-optical logic gates that use nano-rings Insulator-Metal-Insulator (IMI) plasmonic waveguides (NOT, OR, AND). The suggested plasmonic gates' structure has been designed and numerically simulated by two dimensions (2-D) structure using the Finite Element Method (FEM). The proposed device's performance is evaluated using four criteria: transmission, modulation depth, extension ratio, and insertion loss. The proposed structure was built with silver and glass materials. The suggested plasmonic gates' functionality was achieved by using the concepts of destructive and constructive interferences. Numerical simulations show that at 1550 nm operating wavelength, the suggested plasmonic gates could be implemented in a single structure with a transmission threshold of (0.5). This device had the following characteristics: transmission exceeding 100% in one state of NOT and exceeding 200% in one state of OR and AND gates, medium and high Extension Ratio values, so small footprint, and very high MD values. Future access to nanophotonic integrated circuits will be made possible by this technology, which is also thought to be a crucial component of all-optical computers.

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Section: Figure 1 Framework Of Plasmonic Gatesmentioning

confidence: 99%

Fundamentals Plasmonic Logic Gates at Nano Scale Structure and 1550 nm Wavelength

Al-Tameemi,

Al-Sabea,

Hayati

et al. 2023

IJNSN

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show abstract

“…The refractive index of the structure in the z-direction is constant; thus, two-dimensional field distributions were considered. The resonance wavelength (λ sp ) can be determined by Equation ( 2) [44]:…”

Section: Structure Layout and Theoretical Modelmentioning

confidence: 99%

High Transmission All-Optical Combinational Logic Circuits Based on a Nanoring Multi-Structure at 1.31 µm

Sadeq,

Hayati,

Khosravi

2023

Micromachines

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The main purpose of this study is to design combinational logic gates based on a novel configuration of insulator–metal–insulator (IMI) nanoring plasmonic waveguides. Plasmonic logic gates are half adder, full adder, half subtractor, full subtractor, and one-bit comparator and are realized in one structure. The performance of the logic circuits is based on constructive and destructive interferences between the input and control signals. The transmission threshold value is assumed to be 0.35 at the resonance wavelength of 1.310 μm. The transmission spectrum, contrast loss (CL), insertion loss (IL), modulation depth (MD), and contrast ratio (CR) are calculated in order to evaluate the structure’s performance. The maximum transmission of the proposed structure is 232% for full a adder logic gate, and MD exceeds 90% in all plasmonic combinational logic circuits. The suggested design plays a key role in the photonic circuits and nanocircuits for all-optical systems and optical communication systems. The combinational logic gates are analyzed and simulated using the finite element method (FEM).

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“…Insertion loss (IL) is the fourth criterion, which is related to the minimum optical output power that occurs in the ON state and the input optical power. It is determined using the following equation [43]:…”

Section: Structure Layoutmentioning

confidence: 99%

Nanomaterials in Nanophotonics Structure for Performing All-Optical 2 × 1 Multiplexer Based on Elliptical IMI-Plasmonic Waveguides

Mustafa,

Karimi,

Malek Shahi

et al. 2023

Nanomaterials and Nanotechnology

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In this study, an all-optical multiplexer (Mux) based on elliptical insulator-metal-insulator (IMI) plasmonic waveguides is designed. The area of the proposed structure is very small (400 nm × 400 nm) which operates at a wavelength of 1,550 nm. The developed device utilizes constructive and destructive interferences between the input signals and the selector signal. This structure is less complex and has lower loss compared to the previous works. Transmission (T), contrast ratio (CR), modulation depth (MD), insertion loss (IL), and contrast loss (CL) are the five parameters that describe the performance of the plasmonic Mux. The transmission threshold between logic 0 and logic 1 is 0.5. Moreover, the maximum transmission efficiency of the device is 163%. Moreover, based on the MD value of 95.09%, the dimensions of the proposed structure are excellent and optimal. The proposed plasmonic Mux structure contributes substantially to developing an all-optical arithmetic logic unit (ALU) and all-optical signal processing nanocircuits. The finite element method (FEM) simulates the proposed plasmonic multiplexer with COMSOL Multiphysics 5.4 software.

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Design of all-optical OR/NAND logic gate using plasmonic metal-insulator-metal waveguide

Cited by 4 publications

References 0 publications

Fundamentals Plasmonic Logic Gates at Nano Scale Structure and 1550 nm Wavelength

Fundamentals Plasmonic Logic Gates at Nano Scale Structure and 1550 nm Wavelength

High Transmission All-Optical Combinational Logic Circuits Based on a Nanoring Multi-Structure at 1.31 µm

Nanomaterials in Nanophotonics Structure for Performing All-Optical 2 × 1 Multiplexer Based on Elliptical IMI-Plasmonic Waveguides

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