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International Journal of Advanced Research in Electrical Electronics and Instrumentation Engineering

Design and Implementation of Super ClassIntegrated Qubit Fredkin GateFor Quantum Reversible Circuits

B. Pradeep, V. Vishnu Vardhan

Published Apr 7, 2015• 0 citations
OpenAlex

Abstract

Reversible Logic is an emerging technology; it has hellocious applications in various fields. Reversible logic implementation reduces loss of entropy because of bit manipulations. Conservative reversible logic gate obeys reversible logic rules and also satisfies the property that there is equal number of 1s in the outputs as in the inputs. In this work, modified design of SCRL (Super Conservative Reversible Logic) gate for the design of reversible quantum circuit is presented. The proposed SCRL Integrated Qubit gate has 1 control input which swaps n-1 depending on control input. Barrel shifter forms an integral component of many computing systems. As an example of using the proposed SCRL gate to design efficient reversible quantum circuits, the design of reversible barrel shifter with zero ancilla inputs and zero garbage outputs is illustrated.

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Design and Implementation of Super Class Integrated Qubit Fredkin Gate For Quantum Reversible Circuits

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Reversible Logic is an emerging technology; it has hellocious applications in various fields.Reversible logic implementation reduces loss of entropy because of bit manipulations.Conservative reversible logic gate obeys reversible logic rules and also satisfies the property that there is equal number of 1s in the outputs as in the inputs.In this work, modified design of SCRL (Super Conservative Reversible Logic) gate for the design of reversible quantum circuit is presented.The proposed SCRL Integrated Qubit gate has 1 control input which swaps n-1 depending on control input.Barrel shifter forms an integral component of many computing systems.As an example of using the proposed SCRL gate to design efficient reversible quantum circuits, the design of reversible barrel shifter with zero ancilla inputs and zero garbage outputs is illustrated. I.

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Reversible Logic is an emerging technology; it has hellocious applications in various fields. Reversible logic implementation reduces loss of entropy because of bit manipulations. Conservative reversible logic gate obeys reversible logic rules and also satisfies the property that there is equal number of 1s in the outputs as in the inputs. In this work, modified design of SCRL (Super Conservative Reversible Logic) gate for the design of reversible quantum circuit is presented. The proposed SCRL Integrated Qubit gate has 1 control input which swaps n-1 depending on control input. Barrel shifter forms an integral component of many computing systems. As an example of using the proposed SCRL gate to design efficient reversible quantum circuits, the design of reversible barrel shifter with zero ancilla inputs and zero garbage outputs is illustrated.
Reversible Logic is an emerging technology; it has hellocious applications in various fields.Reversible logic implementation reduces loss of entropy because of bit manipulations.Conservative reversible logic gate obeys reversible logic rules and also satisfies the property that there is equal number of 1s in the outputs as in the inputs.In this work, modified design of SCRL (Super Conservative Reversible Logic) gate for the design of reversible quantum circuit is presented.The proposed SCRL Integrated Qubit gate has 1 control input which swaps n-1 depending on control input.Barrel shifter forms an integral component of many computing systems.As an example of using the proposed SCRL gate to design efficient reversible quantum circuits, the design of reversible barrel shifter with zero ancilla inputs and zero garbage outputs is illustrated. I.
Conservative reversible logic gate is a reversible logic gate that is reversible in nature and also satisfy the property that there are equal number of 1s in the outputs as in the inputs. In this work, we present a new class of n × n (n inputs and n outputs) conservative reversible logic gate named SCRL (Super Conservative Reversible Logic) gate for the design of reversible quantum circuits. The proposed SCRL gate has 1 control input depending on the value of which it can swap any two n - 1 data inputs, hence is superior to the existing Fredkin gate. In reversible circuits, the constant input bits that are used to realize different logic functions are referred to as ancilla inputs, while the outputs that are neither primary inputs nor contribute to any useful computations are referred to as garbage outputs. As Ancilla inputs and garbage outputs are overhead bits in a reversible circuit, they need to be minimized. Barrel shifter forms an integral component of many computing systems. As an example of using the proposed SCRL gate to design efficient reversible quantum circuits, the design of reversible barrel shifter with zero ancilla inputs and zero garbage outputs is illustrated.
Reversible logic has promising applications in the field of quantum computing, optical computing, low power computing, and other emerging computing technologies. A barrel shifter that can shift and rotate multiple bits in a single cycle is an important component of many computing units. This paper presents the reversible design of bidirectional arithmetic and logical barrel shifter. The proposed design consists of the reversible Fredkin and Feynman gates. The Fredkin gate used in the design of reversible bidirectional arithmetic and logical barrel shifter can implement the 2:1 MUX with minimum quantum cost, minimum number of ancilla bits and minimum number of garbage outputs while the Feynman gate is used to avoid the fanout as fanout is not allowed in the reversible logic. The design is evaluated in terms of number of garbage outputs, quantum cost and number of ancilla bits.
Reversible Logic is an emerging technology; it has hellocious applications in various fields. Reversible logic implementation reduces loss of entropy because of bit manipulations. . In this work we present a novel design of reversible 2 DIGIT BCD ADDER using INTEGRATED QUBIT GATES. The reversible BCD adder is designed from 2*2 control V, Control V+, CNOT, MTSG,FREDKIN(4),FEYMAN, INTEGRATED QUBIT GATES (1).The design of proposed reversible adder- requires minimum quantum cost ,delay by maintaining ancilla inputs and garbage outputs.
Data shifting is required in many key computer operations from address decoding to computer arithmetic. Full barrel shifters are often on the critical path, which has led most research to be directed toward speed optimizations. With the advent of quantum computer and reversible logic, design and implementation of all devices in this logic has received more attention. Rotating and data shifting are required in many operations such as logical and arithmetic operations, indexing and address decoding etc. Hence barrel shifters which can shift and rotate multiple bits in a single cycle have become a common choice of design for high speed applications. The design has been done using reversible fredkin and feynman gates. In the design the 2:1 mux can be implemented by fredkin gate which reduce quantum cost, number of ancilla bits and number of garbage outputs. The feynman gate will remove the fanout. By comparing the quantum cost, number of ancilla bits and number of garbage outputs the design is evaluated.
Reversible Logic is an emerging technology, it has hellocious applications in various fields. Reversible logic implementation reduces loss of entropy because of bit manipulations. . In this work we present a novel design of reversible 2 DIGIT BCD ADDER using INTEGRATED QUBIT GATES. The reversible BCD adder is designed from 2*2 control V, Control V+, CNOT, MTSG,FREDKIN[4],FEYMAN ,INTEGRATED QUBIT GATES. The design of proposed reversible adder- requires minimum quantum cost ,delay by maintaining ancilla inputs and garbage outputs.