Design of polarization-encoded optical shadow-casting logic units using truth-table partitioning

The input pixel size of a polarization-encoded optical shadow-casting logic system is reduced by means of truth-table partitioning. The proposed design algorithm is used to encode the inputs of a three-input, two-output binary full adder. A comparison with alternative designs proves that the technique leads to an improved memory-efficient optical computing unit.

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Design of Combinational Circuits Using Reversible Decoder in Tanner Tools

Journal of Computational and Theoretical Nanoscience ◽

10.1166/jctn.2020.8436 ◽

2020 ◽

Vol 17 (4) ◽

pp. 1743-1751

Author(s):

R. Kannan ◽

K. Vidhya

Keyword(s):

Low Power ◽

Optical Computing ◽

Logic Gates ◽

Full Adder ◽

Reversible Logic ◽

Quantum Cost ◽

Combinational Circuits ◽

Nano Technology ◽

Feynman Gate ◽

Reversible Logic Gates

Reversible logic is the emerging field for research in present era. The aim of this paper is to realize different types of combinational circuits like full-adder, full-subtractor, multiplexer and comparator using reversible decoder circuit with minimum quantum cost. Reversible decoder is designed using Fredkin gates with minimum Quantum cost. There are many reversible logic gates like Fredkin Gate, Feynman Gate, Double Feynman Gate, Peres Gate, Seynman Gate and many more. Reversible logic is defined as the logic in which the number output lines are equal to the number of input lines i.e., the n-input and k-output Boolean function F(X1,X2,X3, ...,Xn) (referred to as (n,k) function) is said to be reversible if and only if (i) n is equal to k and (ii) each input pattern is mapped uniquely to output pattern. The gate must run forward and backward that is the inputs can also be retrieved from outputs. When the device obeys these two conditions then the second law of thermo-dynamics guarantees that it dissipates no heat. Fan-out and Feed-back are not allowed in Logical Reversibility. Reversible Logic owns its applications in various fields which include Quantum Computing, Optical Computing, Nano-technology, Computer Graphics, low power VLSI etc. Reversible logic is gaining its own importance in recent years largely due to its property of low power consumption. The comparative study in terms of garbage outputs, Quantum Cost, numbers of gates are also presented. The Circuit has been implemented and simulated using Tannaer tools v15.0 software.

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On-chip Microring Resonator Based Electro-optic Full Adder for Optical Computing

Conference on Lasers and Electro-Optics ◽

10.1364/cleo_at.2017.jw2a.147 ◽

2017 ◽

Cited By ~ 2

Author(s):

Zhoufeng Ying ◽

Zheng Wang ◽

Shounak Dhar ◽

Zheng Zhao ◽

David Z. Pan ◽

...

Keyword(s):

Optical Computing ◽

Full Adder ◽

Microring Resonator ◽

Electro Optic ◽

On Chip

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Novel filter design algorithm for multivariate optical computing

10.1117/12.417462 ◽

2001 ◽

Cited By ~ 1

Author(s):

Olusola O. Soyemi ◽

Paul J. Gemperline ◽

Lixia Zhang ◽

DeLyle Eastwood ◽

Hong Li ◽

...

Keyword(s):

Filter Design ◽

Optical Computing ◽

Design Algorithm ◽

Multivariate Optical Computing

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Polarization-encoded optical shadow casting: Arithmetic logic unit (ALU) design using truth-table partitioning

Optics Communications ◽

10.1016/0030-4018(92)90349-v ◽

1992 ◽

Vol 90 (1-3) ◽

pp. 156-164 ◽

Cited By ~ 2

Author(s):

Jamal U. Ahmed ◽

Abdul Ahad S. Awwal ◽

Mohammad M. Haque

Keyword(s):

Truth Table ◽

Arithmetic Logic Unit ◽

Shadow Casting ◽

Logic Unit

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Nonlinear Optimization Algorithm for Multivariate Optical Element Design

Applied Spectroscopy ◽

10.1366/0003702021954935 ◽

2002 ◽

Vol 56 (4) ◽

pp. 477-487 ◽

Cited By ~ 19

Author(s):

Olusola O. Soyemi ◽

Frederick G. Haibach ◽

Paul J. Gemperline ◽

Michael L. Myrick

Keyword(s):

Nonlinear Optimization ◽

Optimization Algorithm ◽

Optical Computing ◽

Chemical Species ◽

Principal Component Regression ◽

Principal Component ◽

Optical Element ◽

Optical Elements ◽

Design Algorithm ◽

Nonlinear Optimization Algorithm

A new algorithm for the design of optical computing filters for chemical analysis, otherwise known as multivariate optical elements (MOEs), is described. The approach is based on the nonlinear optimization of the MOE layer thicknesses to minimize the standard error in sample prediction for the chemical species of interest using a modified version of the Gauss–Newton nonlinear optimization algorithm. The design algorithm can either be initialized with random layer thicknesses or with layer thicknesses derived from spectral matching of a multivariate principal component regression (PCR) vector for the constituent of interest. The algorithm has been successfully tested by using it to design various MOEs for the determination of Bismarck Brown dye in a binary mixture of Crystal Violet and Bismarck Brown.

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All-Optical Logic and Arithmetic Operators Designed by Modified Add-Drop Filter

ECTI Transactions on Computer and Information Technology (ECTI-CIT) ◽

10.37936/ecti-cit.2018121.64719 ◽

2018 ◽

Vol 12 (1) ◽

pp. 73-80

Author(s):

Prapas Phongsanam ◽

Preecha Yupapin

Keyword(s):

Optical Computing ◽

Full Adder ◽

Computing System ◽

Ring Resonators ◽

Small Scale ◽

Optical Logic ◽

Optical Elements ◽

Half Adder ◽

Compact Size ◽

All Optical

Optical micro-ring resonators (MRRs) element can be used in many applications. This paper we propose a photonics circuit design based on optical tree architecture (OTA) for all-optical elements by using the modified add-drop filter for an all-optical arithmetic logic unit (ALU) aimed for computing applications system. All-optical 2x4 decoder, all-optical comparator, all-optical half adder, all-optical half subtractor, all-optical full adder, all-optical full subtractor and proposed new design all-optical 4x16 decoder were proposed. We have studied the nonlinear effect in the modified add-drop filter system, which is control by injected the nonlinear pulses on top as an input for generated all-optical logic and arithmetic operations simultaneously at the through and drop port of modified add-drop filter. The optical input and control field of the modified add-drop filter circuit can be formed by nonlinear dark and bright pluses. The obtained simulation results have shown that the nonlinear pulse generated by the nonlinear modified add-drop filter can control the output consistency, which is important when the interconnect between each circuit output parts are required. The advantages of the modified add-drop filter are low power, ultra-fast switching, tuneable and high security which is compact size and footprint. It is suitable for the next generation of all-optical small-scale device and all-optical computing system requirements.

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BioLogic, a parallel approach to cell-based logic gates

10.1101/303032 ◽

2018 ◽

Cited By ~ 1

Author(s):

Felipe A. Millacura ◽

Brendan Largey ◽

Christopher E. French

Keyword(s):

Escherichia Coli ◽

Genetic Engineering ◽

Logic Gates ◽

Full Adder ◽

Complex Processes ◽

First Time ◽

Logic System

Abstract:In vivo logic gates have proven difficult to combine into larger devices. Our cell-based logic system, BioLogic, decomposes a large circuit into a collection of small subcircuits working in parallel, each subcircuit responding to a different combination of inputs. A final global output is then generated by a combination of the responses. Using BioLogic, for the first time a completely functional 3-bit full adder and full subtractor were generated using Escherichia coli cells; as well as a calculator-style display that shows a numeric result, from 0 to 7, when the proper 3 bit binary inputs are introduced into the system. BioLogic demonstrates the use of a parallel approach for the design of cell-based logic gates that facilitates the generation and analysis of complex processes, without the need for complex genetic engineering.

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