SlideShare a Scribd company logo
Quantum Computing
INTRODUCTION
By Muhammad Miqdad Khan
What is Quantum Computing?
 A quantum computer is a machine that performs calculations based
on the laws of quantum mechanics, which is the behavior of particles
at the sub-atomic level.
 “I think I can safely say that nobody understands
quantum mechanics” - Feynman
 1982 - Feynman proposed the idea of creating
machines based on the laws of quantum mechanics
instead of the laws of classical physics.
History
1985 - David Deutsch developed the quantum turing machine, showing that quantum
circuits are universal.
 1994 - Peter Shor came up with a quantum algorithm to factor very large numbers in
polynomial time.
1997 - Lov Grover develops a quantum search algorithm with O(√N) complexity
Why bother with quantum computation?
Moore’s Law:We hit the quantum level 2010~2020.
The design of devices on such a small scale will require engineers to control
quantum mechanical effects.
Allowing computers to take advantage of quantum mechanical
behaviour allows us to do more than cram increasingly many
microscopic components onto a silicon chip…
… it gives us a whole new framework in which information can be
processed in fundamentally new ways.
The nineteenth century was known as the machine age, the twentieth century will go down in history as the
information age. I believe the twenty-first century will be the quantum age. Paul Davies, Professor Natural
Philosophy – Australian Centre for Astrobiology
Representation of Data - Qubits
• A bit of data is represented by a single atom that is in one of two
states denoted by |0> and |1>. A single bit of this form is known as a
qubit
∣ψ⟩ = α∣0⟩ + β∣1⟩
The probability that the qubit will be measured in the
state ∣0⟩ is ∣α∣2 and the probability that it will be
measured in the state ∣1⟩ is ∣β∣2. Hence the total
probability of the system being observed in either
state ∣0⟩ or ∣1⟩ is 1.
𝑵 𝑸𝒖𝒃𝒊𝒕𝒔 = 𝟐 𝑵
of Classical Bits
Using Photon As Conventional Bit
A simple implementation of one photonic qubit
Representation of Qubits
Applications
• Machine Learning
• Genomics Sequencing
• Chemical Information
• Drugs Making
• True Random Number Generation
• Security
• Cryptography
• Defense

More Related Content

What's hot

Quantum computing
Quantum computingQuantum computing
Quantum computing
TejasKapile1
 
Quantum Computing
Quantum ComputingQuantum Computing
Quantum Computing
Harsh Saxena
 
Quantum computing
Quantum computingQuantum computing
Quantum computing
mrevanth
 
Quantum computing in machine learning
Quantum computing in machine learningQuantum computing in machine learning
Quantum computing in machine learning
khalidhassan105
 
Quantum computing
Quantum computingQuantum computing
Quantum computing
Ravikanth Yennu
 
Quantum Computing Applications in Power Systems
Quantum Computing Applications in Power SystemsQuantum Computing Applications in Power Systems
Quantum Computing Applications in Power Systems
Power System Operation
 
Quantum Computing Basics
Quantum Computing BasicsQuantum Computing Basics
Quantum Computing Basics
Christian Waha
 
Quantum computation - Introduction
Quantum computation - IntroductionQuantum computation - Introduction
Quantum computation - Introduction
Aakash Martand
 
Giancarlo Sudano - Welcome to the Quantum Age - A lap around Microsoft Quantu...
Giancarlo Sudano - Welcome to the Quantum Age - A lap around Microsoft Quantu...Giancarlo Sudano - Welcome to the Quantum Age - A lap around Microsoft Quantu...
Giancarlo Sudano - Welcome to the Quantum Age - A lap around Microsoft Quantu...
Codemotion
 
Quantum Computing
Quantum ComputingQuantum Computing
Quantum Computing
Stephen Habegger
 
Quantum Computing
Quantum ComputingQuantum Computing
Quantum Computing
t0pgun
 
Quantum computer
Quantum computerQuantum computer
Quantum computer
Kumar Abhijeet
 
052516 week11 quantum computers
052516 week11 quantum computers052516 week11 quantum computers
052516 week11 quantum computers
Subas Nandy
 
Quantum Computing and D-Wave
Quantum Computing and D-WaveQuantum Computing and D-Wave
Quantum Computing and D-Wave
Recruit Communications Co., Ltd.
 
Quantum computing
Quantum computing Quantum computing
Quantum computing
Kailash Choudhary
 
Quantum Computing - Basic Concepts
Quantum Computing - Basic ConceptsQuantum Computing - Basic Concepts
Quantum Computing - Basic Concepts
Sendash Pangambam
 
Navneet presentation
Navneet presentationNavneet presentation
Navneet presentation
Navneet kumar
 
Quantum computing
Quantum computingQuantum computing
Quantum computing
Shaik Azar
 
Quantum Computing: The Why and How
Quantum Computing: The Why and HowQuantum Computing: The Why and How
Quantum Computing: The Why and How
inside-BigData.com
 
Quantum computers
Quantum computersQuantum computers
Quantum computers
Rishabh Jindal
 

What's hot (20)

Quantum computing
Quantum computingQuantum computing
Quantum computing
 
Quantum Computing
Quantum ComputingQuantum Computing
Quantum Computing
 
Quantum computing
Quantum computingQuantum computing
Quantum computing
 
Quantum computing in machine learning
Quantum computing in machine learningQuantum computing in machine learning
Quantum computing in machine learning
 
Quantum computing
Quantum computingQuantum computing
Quantum computing
 
Quantum Computing Applications in Power Systems
Quantum Computing Applications in Power SystemsQuantum Computing Applications in Power Systems
Quantum Computing Applications in Power Systems
 
Quantum Computing Basics
Quantum Computing BasicsQuantum Computing Basics
Quantum Computing Basics
 
Quantum computation - Introduction
Quantum computation - IntroductionQuantum computation - Introduction
Quantum computation - Introduction
 
Giancarlo Sudano - Welcome to the Quantum Age - A lap around Microsoft Quantu...
Giancarlo Sudano - Welcome to the Quantum Age - A lap around Microsoft Quantu...Giancarlo Sudano - Welcome to the Quantum Age - A lap around Microsoft Quantu...
Giancarlo Sudano - Welcome to the Quantum Age - A lap around Microsoft Quantu...
 
Quantum Computing
Quantum ComputingQuantum Computing
Quantum Computing
 
Quantum Computing
Quantum ComputingQuantum Computing
Quantum Computing
 
Quantum computer
Quantum computerQuantum computer
Quantum computer
 
052516 week11 quantum computers
052516 week11 quantum computers052516 week11 quantum computers
052516 week11 quantum computers
 
Quantum Computing and D-Wave
Quantum Computing and D-WaveQuantum Computing and D-Wave
Quantum Computing and D-Wave
 
Quantum computing
Quantum computing Quantum computing
Quantum computing
 
Quantum Computing - Basic Concepts
Quantum Computing - Basic ConceptsQuantum Computing - Basic Concepts
Quantum Computing - Basic Concepts
 
Navneet presentation
Navneet presentationNavneet presentation
Navneet presentation
 
Quantum computing
Quantum computingQuantum computing
Quantum computing
 
Quantum Computing: The Why and How
Quantum Computing: The Why and HowQuantum Computing: The Why and How
Quantum Computing: The Why and How
 
Quantum computers
Quantum computersQuantum computers
Quantum computers
 

Similar to Introduction to quantum computing

Ibm quantum computing
Ibm quantum computingIbm quantum computing
Ibm quantum computing
Francisco J. Gálvez Ramírez
 
osama-quantum-computingoftge quantum.ppt
osama-quantum-computingoftge quantum.pptosama-quantum-computingoftge quantum.ppt
osama-quantum-computingoftge quantum.ppt
ChiragSuresh
 
osama-quantum-computing and its uses and applications
osama-quantum-computing and its uses and applicationsosama-quantum-computing and its uses and applications
osama-quantum-computing and its uses and applications
Rachitdas2
 
osama-quantum-computing.ppt
osama-quantum-computing.pptosama-quantum-computing.ppt
osama-quantum-computing.ppt
SainadhDuppalapudi
 
Quantum computer
Quantum computerQuantum computer
Quantum computer
HarishKumar1779
 
The second quantum revolution: the world beyond binary 0 and 1
The second quantum revolution: the world beyond binary 0 and 1The second quantum revolution: the world beyond binary 0 and 1
The second quantum revolution: the world beyond binary 0 and 1
Bruno Fedrici, PhD
 
Quantum computing COMPLETE LECTURE
Quantum computing COMPLETE LECTUREQuantum computing COMPLETE LECTURE
Quantum computing COMPLETE LECTURE
SMALAIAPPANSRIKANTH
 
Presentation on quantum_computing
Presentation on quantum_computingPresentation on quantum_computing
Presentation on quantum_computing
AltafAlam12
 
Quantum Computing Explained
Quantum Computing ExplainedQuantum Computing Explained
Quantum Computing Explained
jeetendra mandal
 
quantum-computing.ppt
quantum-computing.pptquantum-computing.ppt
quantum-computing.ppt
MainakChakraborty40
 
Quantum computing
Quantum computingQuantum computing
Quantum computing
Krishna Patel
 
Quantum computing
Quantum computingQuantum computing
Quantum computing
dharmsinghggu
 
Aditya kulshreshtha, (QUANTUM COMPUTING)
Aditya kulshreshtha, (QUANTUM COMPUTING)Aditya kulshreshtha, (QUANTUM COMPUTING)
Aditya kulshreshtha, (QUANTUM COMPUTING)
Adityakulshreshtha4
 
Quantum Computation: What is it and Why?
Quantum Computation: What is it and Why?Quantum Computation: What is it and Why?
Quantum Computation: What is it and Why?
Stefano Franco
 
Quantum computers
Quantum computersQuantum computers
Quantum computers
Geet Patel
 
quantumcomputer-190731154949.pptx
quantumcomputer-190731154949.pptxquantumcomputer-190731154949.pptx
quantumcomputer-190731154949.pptx
AjayRaj912848
 
quantum computing and Quantum Communications
quantum computing and Quantum Communicationsquantum computing and Quantum Communications
quantum computing and Quantum Communications
Srinivas Bukkuru
 
From Bits to Qubits: Can Medicine Benefit From Quantum Computing?
From Bits to Qubits: Can Medicine Benefit From Quantum Computing?From Bits to Qubits: Can Medicine Benefit From Quantum Computing?
From Bits to Qubits: Can Medicine Benefit From Quantum Computing?
Mike Hogarth, MD, FACMI, FACP
 
A brief presentation on qunatum computing system & the material science r...
A brief presentation on qunatum computing system & the material science r...A brief presentation on qunatum computing system & the material science r...
A brief presentation on qunatum computing system & the material science r...
Sakibul Islam Sazzad
 
Quantum computers
Quantum computersQuantum computers
Quantum computers
Nolesh_Warke
 

Similar to Introduction to quantum computing (20)

Ibm quantum computing
Ibm quantum computingIbm quantum computing
Ibm quantum computing
 
osama-quantum-computingoftge quantum.ppt
osama-quantum-computingoftge quantum.pptosama-quantum-computingoftge quantum.ppt
osama-quantum-computingoftge quantum.ppt
 
osama-quantum-computing and its uses and applications
osama-quantum-computing and its uses and applicationsosama-quantum-computing and its uses and applications
osama-quantum-computing and its uses and applications
 
osama-quantum-computing.ppt
osama-quantum-computing.pptosama-quantum-computing.ppt
osama-quantum-computing.ppt
 
Quantum computer
Quantum computerQuantum computer
Quantum computer
 
The second quantum revolution: the world beyond binary 0 and 1
The second quantum revolution: the world beyond binary 0 and 1The second quantum revolution: the world beyond binary 0 and 1
The second quantum revolution: the world beyond binary 0 and 1
 
Quantum computing COMPLETE LECTURE
Quantum computing COMPLETE LECTUREQuantum computing COMPLETE LECTURE
Quantum computing COMPLETE LECTURE
 
Presentation on quantum_computing
Presentation on quantum_computingPresentation on quantum_computing
Presentation on quantum_computing
 
Quantum Computing Explained
Quantum Computing ExplainedQuantum Computing Explained
Quantum Computing Explained
 
quantum-computing.ppt
quantum-computing.pptquantum-computing.ppt
quantum-computing.ppt
 
Quantum computing
Quantum computingQuantum computing
Quantum computing
 
Quantum computing
Quantum computingQuantum computing
Quantum computing
 
Aditya kulshreshtha, (QUANTUM COMPUTING)
Aditya kulshreshtha, (QUANTUM COMPUTING)Aditya kulshreshtha, (QUANTUM COMPUTING)
Aditya kulshreshtha, (QUANTUM COMPUTING)
 
Quantum Computation: What is it and Why?
Quantum Computation: What is it and Why?Quantum Computation: What is it and Why?
Quantum Computation: What is it and Why?
 
Quantum computers
Quantum computersQuantum computers
Quantum computers
 
quantumcomputer-190731154949.pptx
quantumcomputer-190731154949.pptxquantumcomputer-190731154949.pptx
quantumcomputer-190731154949.pptx
 
quantum computing and Quantum Communications
quantum computing and Quantum Communicationsquantum computing and Quantum Communications
quantum computing and Quantum Communications
 
From Bits to Qubits: Can Medicine Benefit From Quantum Computing?
From Bits to Qubits: Can Medicine Benefit From Quantum Computing?From Bits to Qubits: Can Medicine Benefit From Quantum Computing?
From Bits to Qubits: Can Medicine Benefit From Quantum Computing?
 
A brief presentation on qunatum computing system & the material science r...
A brief presentation on qunatum computing system & the material science r...A brief presentation on qunatum computing system & the material science r...
A brief presentation on qunatum computing system & the material science r...
 
Quantum computers
Quantum computersQuantum computers
Quantum computers
 

Recently uploaded

在线办理(salfor毕业证书)索尔福德大学毕业证毕业完成信一模一样
在线办理(salfor毕业证书)索尔福德大学毕业证毕业完成信一模一样在线办理(salfor毕业证书)索尔福德大学毕业证毕业完成信一模一样
在线办理(salfor毕业证书)索尔福德大学毕业证毕业完成信一模一样
vluwdy49
 
Phenomics assisted breeding in crop improvement
Phenomics assisted breeding in crop improvementPhenomics assisted breeding in crop improvement
Phenomics assisted breeding in crop improvement
IshaGoswami9
 
Travis Hills' Endeavors in Minnesota: Fostering Environmental and Economic Pr...
Travis Hills' Endeavors in Minnesota: Fostering Environmental and Economic Pr...Travis Hills' Endeavors in Minnesota: Fostering Environmental and Economic Pr...
Travis Hills' Endeavors in Minnesota: Fostering Environmental and Economic Pr...
Travis Hills MN
 
mô tả các thí nghiệm về đánh giá tác động dòng khí hóa sau đốt
mô tả các thí nghiệm về đánh giá tác động dòng khí hóa sau đốtmô tả các thí nghiệm về đánh giá tác động dòng khí hóa sau đốt
mô tả các thí nghiệm về đánh giá tác động dòng khí hóa sau đốt
HongcNguyn6
 
molar-distalization in orthodontics-seminar.pptx
molar-distalization in orthodontics-seminar.pptxmolar-distalization in orthodontics-seminar.pptx
molar-distalization in orthodontics-seminar.pptx
Anagha Prasad
 
Compexometric titration/Chelatorphy titration/chelating titration
Compexometric titration/Chelatorphy titration/chelating titrationCompexometric titration/Chelatorphy titration/chelating titration
Compexometric titration/Chelatorphy titration/chelating titration
Vandana Devesh Sharma
 
原版制作(carleton毕业证书)卡尔顿大学毕业证硕士文凭原版一模一样
原版制作(carleton毕业证书)卡尔顿大学毕业证硕士文凭原版一模一样原版制作(carleton毕业证书)卡尔顿大学毕业证硕士文凭原版一模一样
原版制作(carleton毕业证书)卡尔顿大学毕业证硕士文凭原版一模一样
yqqaatn0
 
Remote Sensing and Computational, Evolutionary, Supercomputing, and Intellige...
Remote Sensing and Computational, Evolutionary, Supercomputing, and Intellige...Remote Sensing and Computational, Evolutionary, Supercomputing, and Intellige...
Remote Sensing and Computational, Evolutionary, Supercomputing, and Intellige...
University of Maribor
 
Immersive Learning That Works: Research Grounding and Paths Forward
Immersive Learning That Works: Research Grounding and Paths ForwardImmersive Learning That Works: Research Grounding and Paths Forward
Immersive Learning That Works: Research Grounding and Paths Forward
Leonel Morgado
 
如何办理(uvic毕业证书)维多利亚大学毕业证本科学位证书原版一模一样
如何办理(uvic毕业证书)维多利亚大学毕业证本科学位证书原版一模一样如何办理(uvic毕业证书)维多利亚大学毕业证本科学位证书原版一模一样
如何办理(uvic毕业证书)维多利亚大学毕业证本科学位证书原版一模一样
yqqaatn0
 
Applied Science: Thermodynamics, Laws & Methodology.pdf
Applied Science: Thermodynamics, Laws & Methodology.pdfApplied Science: Thermodynamics, Laws & Methodology.pdf
Applied Science: Thermodynamics, Laws & Methodology.pdf
University of Hertfordshire
 
3D Hybrid PIC simulation of the plasma expansion (ISSS-14)
3D Hybrid PIC simulation of the plasma expansion (ISSS-14)3D Hybrid PIC simulation of the plasma expansion (ISSS-14)
3D Hybrid PIC simulation of the plasma expansion (ISSS-14)
David Osipyan
 
Unlocking the mysteries of reproduction: Exploring fecundity and gonadosomati...
Unlocking the mysteries of reproduction: Exploring fecundity and gonadosomati...Unlocking the mysteries of reproduction: Exploring fecundity and gonadosomati...
Unlocking the mysteries of reproduction: Exploring fecundity and gonadosomati...
AbdullaAlAsif1
 
Eukaryotic Transcription Presentation.pptx
Eukaryotic Transcription Presentation.pptxEukaryotic Transcription Presentation.pptx
Eukaryotic Transcription Presentation.pptx
RitabrataSarkar3
 
Sharlene Leurig - Enabling Onsite Water Use with Net Zero Water
Sharlene Leurig - Enabling Onsite Water Use with Net Zero WaterSharlene Leurig - Enabling Onsite Water Use with Net Zero Water
Sharlene Leurig - Enabling Onsite Water Use with Net Zero Water
Texas Alliance of Groundwater Districts
 
Oedema_types_causes_pathophysiology.pptx
Oedema_types_causes_pathophysiology.pptxOedema_types_causes_pathophysiology.pptx
Oedema_types_causes_pathophysiology.pptx
muralinath2
 
Bob Reedy - Nitrate in Texas Groundwater.pdf
Bob Reedy - Nitrate in Texas Groundwater.pdfBob Reedy - Nitrate in Texas Groundwater.pdf
Bob Reedy - Nitrate in Texas Groundwater.pdf
Texas Alliance of Groundwater Districts
 
bordetella pertussis.................................ppt
bordetella pertussis.................................pptbordetella pertussis.................................ppt
bordetella pertussis.................................ppt
kejapriya1
 
SAR of Medicinal Chemistry 1st by dk.pdf
SAR of Medicinal Chemistry 1st by dk.pdfSAR of Medicinal Chemistry 1st by dk.pdf
SAR of Medicinal Chemistry 1st by dk.pdf
KrushnaDarade1
 
The debris of the ‘last major merger’ is dynamically young
The debris of the ‘last major merger’ is dynamically youngThe debris of the ‘last major merger’ is dynamically young
The debris of the ‘last major merger’ is dynamically young
Sérgio Sacani
 

Recently uploaded (20)

在线办理(salfor毕业证书)索尔福德大学毕业证毕业完成信一模一样
在线办理(salfor毕业证书)索尔福德大学毕业证毕业完成信一模一样在线办理(salfor毕业证书)索尔福德大学毕业证毕业完成信一模一样
在线办理(salfor毕业证书)索尔福德大学毕业证毕业完成信一模一样
 
Phenomics assisted breeding in crop improvement
Phenomics assisted breeding in crop improvementPhenomics assisted breeding in crop improvement
Phenomics assisted breeding in crop improvement
 
Travis Hills' Endeavors in Minnesota: Fostering Environmental and Economic Pr...
Travis Hills' Endeavors in Minnesota: Fostering Environmental and Economic Pr...Travis Hills' Endeavors in Minnesota: Fostering Environmental and Economic Pr...
Travis Hills' Endeavors in Minnesota: Fostering Environmental and Economic Pr...
 
mô tả các thí nghiệm về đánh giá tác động dòng khí hóa sau đốt
mô tả các thí nghiệm về đánh giá tác động dòng khí hóa sau đốtmô tả các thí nghiệm về đánh giá tác động dòng khí hóa sau đốt
mô tả các thí nghiệm về đánh giá tác động dòng khí hóa sau đốt
 
molar-distalization in orthodontics-seminar.pptx
molar-distalization in orthodontics-seminar.pptxmolar-distalization in orthodontics-seminar.pptx
molar-distalization in orthodontics-seminar.pptx
 
Compexometric titration/Chelatorphy titration/chelating titration
Compexometric titration/Chelatorphy titration/chelating titrationCompexometric titration/Chelatorphy titration/chelating titration
Compexometric titration/Chelatorphy titration/chelating titration
 
原版制作(carleton毕业证书)卡尔顿大学毕业证硕士文凭原版一模一样
原版制作(carleton毕业证书)卡尔顿大学毕业证硕士文凭原版一模一样原版制作(carleton毕业证书)卡尔顿大学毕业证硕士文凭原版一模一样
原版制作(carleton毕业证书)卡尔顿大学毕业证硕士文凭原版一模一样
 
Remote Sensing and Computational, Evolutionary, Supercomputing, and Intellige...
Remote Sensing and Computational, Evolutionary, Supercomputing, and Intellige...Remote Sensing and Computational, Evolutionary, Supercomputing, and Intellige...
Remote Sensing and Computational, Evolutionary, Supercomputing, and Intellige...
 
Immersive Learning That Works: Research Grounding and Paths Forward
Immersive Learning That Works: Research Grounding and Paths ForwardImmersive Learning That Works: Research Grounding and Paths Forward
Immersive Learning That Works: Research Grounding and Paths Forward
 
如何办理(uvic毕业证书)维多利亚大学毕业证本科学位证书原版一模一样
如何办理(uvic毕业证书)维多利亚大学毕业证本科学位证书原版一模一样如何办理(uvic毕业证书)维多利亚大学毕业证本科学位证书原版一模一样
如何办理(uvic毕业证书)维多利亚大学毕业证本科学位证书原版一模一样
 
Applied Science: Thermodynamics, Laws & Methodology.pdf
Applied Science: Thermodynamics, Laws & Methodology.pdfApplied Science: Thermodynamics, Laws & Methodology.pdf
Applied Science: Thermodynamics, Laws & Methodology.pdf
 
3D Hybrid PIC simulation of the plasma expansion (ISSS-14)
3D Hybrid PIC simulation of the plasma expansion (ISSS-14)3D Hybrid PIC simulation of the plasma expansion (ISSS-14)
3D Hybrid PIC simulation of the plasma expansion (ISSS-14)
 
Unlocking the mysteries of reproduction: Exploring fecundity and gonadosomati...
Unlocking the mysteries of reproduction: Exploring fecundity and gonadosomati...Unlocking the mysteries of reproduction: Exploring fecundity and gonadosomati...
Unlocking the mysteries of reproduction: Exploring fecundity and gonadosomati...
 
Eukaryotic Transcription Presentation.pptx
Eukaryotic Transcription Presentation.pptxEukaryotic Transcription Presentation.pptx
Eukaryotic Transcription Presentation.pptx
 
Sharlene Leurig - Enabling Onsite Water Use with Net Zero Water
Sharlene Leurig - Enabling Onsite Water Use with Net Zero WaterSharlene Leurig - Enabling Onsite Water Use with Net Zero Water
Sharlene Leurig - Enabling Onsite Water Use with Net Zero Water
 
Oedema_types_causes_pathophysiology.pptx
Oedema_types_causes_pathophysiology.pptxOedema_types_causes_pathophysiology.pptx
Oedema_types_causes_pathophysiology.pptx
 
Bob Reedy - Nitrate in Texas Groundwater.pdf
Bob Reedy - Nitrate in Texas Groundwater.pdfBob Reedy - Nitrate in Texas Groundwater.pdf
Bob Reedy - Nitrate in Texas Groundwater.pdf
 
bordetella pertussis.................................ppt
bordetella pertussis.................................pptbordetella pertussis.................................ppt
bordetella pertussis.................................ppt
 
SAR of Medicinal Chemistry 1st by dk.pdf
SAR of Medicinal Chemistry 1st by dk.pdfSAR of Medicinal Chemistry 1st by dk.pdf
SAR of Medicinal Chemistry 1st by dk.pdf
 
The debris of the ‘last major merger’ is dynamically young
The debris of the ‘last major merger’ is dynamically youngThe debris of the ‘last major merger’ is dynamically young
The debris of the ‘last major merger’ is dynamically young
 

Introduction to quantum computing

  • 2. What is Quantum Computing?  A quantum computer is a machine that performs calculations based on the laws of quantum mechanics, which is the behavior of particles at the sub-atomic level.
  • 3.  “I think I can safely say that nobody understands quantum mechanics” - Feynman  1982 - Feynman proposed the idea of creating machines based on the laws of quantum mechanics instead of the laws of classical physics. History 1985 - David Deutsch developed the quantum turing machine, showing that quantum circuits are universal.  1994 - Peter Shor came up with a quantum algorithm to factor very large numbers in polynomial time. 1997 - Lov Grover develops a quantum search algorithm with O(√N) complexity
  • 4. Why bother with quantum computation? Moore’s Law:We hit the quantum level 2010~2020.
  • 5. The design of devices on such a small scale will require engineers to control quantum mechanical effects. Allowing computers to take advantage of quantum mechanical behaviour allows us to do more than cram increasingly many microscopic components onto a silicon chip… … it gives us a whole new framework in which information can be processed in fundamentally new ways. The nineteenth century was known as the machine age, the twentieth century will go down in history as the information age. I believe the twenty-first century will be the quantum age. Paul Davies, Professor Natural Philosophy – Australian Centre for Astrobiology
  • 6. Representation of Data - Qubits • A bit of data is represented by a single atom that is in one of two states denoted by |0> and |1>. A single bit of this form is known as a qubit ∣ψ⟩ = α∣0⟩ + β∣1⟩ The probability that the qubit will be measured in the state ∣0⟩ is ∣α∣2 and the probability that it will be measured in the state ∣1⟩ is ∣β∣2. Hence the total probability of the system being observed in either state ∣0⟩ or ∣1⟩ is 1. 𝑵 𝑸𝒖𝒃𝒊𝒕𝒔 = 𝟐 𝑵 of Classical Bits
  • 7. Using Photon As Conventional Bit
  • 8. A simple implementation of one photonic qubit
  • 10. Applications • Machine Learning • Genomics Sequencing • Chemical Information • Drugs Making • True Random Number Generation • Security • Cryptography • Defense