All-Optical NAND Gate Based on Nonlinear Photonic Crystal Ring Resonators

AbstractIn this paper we proposed a new design for all-optical NAND gate. By combining nonlinear Kerr effect with photonic crystal ring resonators first we designed a structure, whose optical behavior can be controlled via input power intensity. The switching power threshold obtained for this structure equal to 1 kW/μm

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All optical NAND gate based on nonlinear photonic crystal ring resonators

Optik ◽

10.1016/j.ijleo.2016.11.190 ◽

2017 ◽

Vol 130 ◽

pp. 1214-1221 ◽

Cited By ~ 46

Author(s):

Hamed Alipour-Banaei ◽

Somaye Serajmohammadi ◽

Farhad Mehdizadeh

Keyword(s):

Photonic Crystal ◽

Ring Resonators ◽

Nand Gate ◽

Nonlinear Photonic Crystal ◽

All Optical

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An All Optical NAND Gate Using Nonlinear Photonic Crystal Ring Resonators

Journal of Optical Communications ◽

10.1515/joc-2018-0184 ◽

2018 ◽

Vol 0 (0) ◽

Author(s):

Ehsann Barmala

Keyword(s):

Photonic Crystal ◽

Optical Communications ◽

Delay Time ◽

Ring Resonators ◽

Nand Gate ◽

Combinational Circuits ◽

Nonlinear Photonic Crystal ◽

Novel Structure ◽

All Optical ◽

Universal Gate

AbstractOptical NAND gate is a universal gate which can be used for implementing different kinds of combinational circuits without using other gates. Due to significance of optical NAND gates in the optical communications, in this paper we proposed a novel structure for designing an all optical NAND gate based on photonic crystal structures. The proposed structure was designed using threshold switching mechanism which can be implemented using nonlinear ring resonators. In the proposed structure delay time is about 2.3 ps.

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All optical NOR and NAND gate based on nonlinear photonic crystal ring resonators

Optik ◽

10.1016/j.ijleo.2014.06.013 ◽

2014 ◽

Vol 125 (19) ◽

pp. 5701-5704 ◽

Cited By ~ 65

Author(s):

Hamed Alipour-Banaei ◽

Somaye Serajmohammadi ◽

Farhad Mehdizadeh

Keyword(s):

Photonic Crystal ◽

Ring Resonators ◽

Nand Gate ◽

Nonlinear Photonic Crystal ◽

All Optical

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A Novel Proposal for All-Optical OR/AND Gate Using Nonlinear Photonic Crystal Ring Resonators

Journal of Optical Communications ◽

10.1515/joc-2017-0176 ◽

2020 ◽

Vol 41 (3) ◽

pp. 263-267

Author(s):

Mohammad Reza Geraili ◽

Seyed Ebrahim Hosseini

Keyword(s):

Photonic Crystal ◽

Time Delay ◽

Optical Waveguides ◽

Logic Gates ◽

Input Power ◽

Ring Resonators ◽

Optical Logic ◽

Nonlinear Photonic Crystal ◽

All Optical ◽

Optical Structure

AbstractIn this paper, we aim to design an all-optical structure that can be employed as optical OR/AND logic gates. To do so, a nonlinear photonic crystal-based ring resonator will be designed whose resonant wavelength depends on the variation of optical intensity. Then, by adding some optical waveguides, the optical logic circuit structure will be obtained that can function as optical OR/AND logic gates. The maximum time delay for the proposed structure is about 1.5 ps. Total footprint of the proposed structure is about 372 mm2. The proposed structure has lower time delay, lower footprint and lower optical input power compared with previously proposed structures.

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An all optical photonic crystal half adder suitable for optical processing applications

Journal of Optical Communications ◽

10.1515/joc-2020-0261 ◽

2021 ◽

Vol 0 (0) ◽

Author(s):

Hamed Azhdari ◽

Sahel Javahernia

Keyword(s):

Photonic Crystal ◽

Optical Waveguides ◽

High Speed ◽

Building Blocks ◽

Optical Signal ◽

Ring Resonators ◽

Optical Processing ◽

Nonlinear Photonic Crystal ◽

Half Adder ◽

All Optical

Abstract Increasing the speed of operation in all optical signal processing is very important. For reaching this goal one needs high speed optical devices. Optical half adders are one of the important building blocks required in optical processing. In this paper an optical half adder was proposed by combining nonlinear photonic crystal ring resonators with optical waveguides. Finite difference time domain method wase used for simulating the final structure. The simulation results confirmed that the rise time for the proposed structure is about 1 ps.

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Concave Rectangle Photonic Crystal Ring Resonator for Ultra-Fast All-Optical Modulation

Journal of Optical Communications ◽

10.1515/joc-2018-0049 ◽

2018 ◽

Vol 0 (0) ◽

Author(s):

Sana Rebhi ◽

Radhouene Massoudi ◽

Monia Najjar

Keyword(s):

Photonic Crystal ◽

Insertion Loss ◽

Ring Resonator ◽

Extinction Ratio ◽

Input Power ◽

Light Signal ◽

Optical Modulator ◽

Nonlinear Photonic Crystal ◽

All Optical ◽

Photonic Crystal Ring Resonator

AbstractIn this paper, an ultra-fast all-optical modulator, based on a new shape of nonlinear photonic crystal ring resonator, is designed and studied. Numerical methods such as plane wave expansion (PWE) and finite-difference time domain (FDTD) are used to perform simulations. The modulation technique consists of carrier light controlling by means of input light signal and Kerr effect. The investigation of extinction ratio and insertion loss within the carrier input power shows that the choice of 0.7 W is the optimal value of that power to ensure the tradeoff between both characteristics. The suggested modulator demonstrates an excellent extinction ratio about 20.8018, a very low insertion loss of −13.98 and a short switching time about 13.4 ps. According to the obtained results, the modulator can be considered as an ultra-fast and ultra-compact optical component.

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