Quantum computing and communications / edited by Michael Brooks.

Contributor(s): Brooks, Michael, 1970-.

Material type: materialTypeLabel

BookPublisher: London ; New York : Springer, 1999Description: xi, 152 p. : ill. ; 24 cm. + pbk.ISBN: 1852330910 .Subject(s): Quantum computers

| Optical communications

DDC classification: 621.3981

Contents:

Section I: A wide perspective -- Introduction / Michael Brooks -- The fundamentals of quantum information / Michael Brooks -- Quantum computer science / Michael Brooks -- Experimental realizations / Michael Brooks -- Optical technologies for quantum computing and communications / Michael Brooks -- Applications / Michael Brooks -- A note on the question of scaling: decoherence and error correction / Michael Brooks -- Section II: Personal perspectives -- Solid state quantum computation: prospects, proposals and prejudices / Bruce Kane -- Information is physical, but slippery / Rolf Landauer -- Nanocircuitry, defect tolerance and quantum computing: architectural and manufacturing considerations / R. Stanley Williams -- Quantum computing and NMR / Jonathan A. Jones -- Quantum networks and quantum algorithms / Vlatko Vedral -- Quantum cryptography / Richard Hughes -- Section III: A perspective for the future -- Realizing the potential of quantum information processing / Michael Brooks -- The role of Europe / Michael Brooks -- Quantum computing and communications: a view from the USA / Colin P. Williams -- Section IV: Reference materials -- Quantum information processing: a brief overview of recent advances / Antonella Karlson -- Categories and definitions.

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Enhanced descriptions from Syndetics:

We have, in the last few years, radically improved our grasp of the quantum world. Not just intellectually, either: our ability to manipulate real quantum systems has grown in equal measure with our understanding of their fundamental behavior. These two shoots - the intellectual and the practical harnessing of the quantum world - have sprung up at a time when a third shoot - information processing - has also been experiencing explosive growth. These three shoots are now becoming intertwined. Twisted together, our understanding of information processing, quantum theory and practical quantum control make for a strong new growth with enormous potential. One must always be careful about using the word 'revolutionary' too readily. It is, however, difficult to find another word to describe the developments that have been taking place during the second half of the 1990s. In 1986 Richard Feynman, the visionary professor of physics, made a very interesting remark: " ... we are going to be even more ridiculous later and consider bits written on one atom instead of the present 1011 atoms. Such nonsense is very entertaining to professors like me." It is exceptionally unfortunate that Feynman did not live to see this 'nonsense' fully transformed into reality. He, more than anybody, would enjoy the fact that it is now possible to write information onto an atom, or indeed an ion or a photon.

Includes bibliographical references and index.

Table of contents provided by Syndetics

Section I A Wide Perspective
Chapter 1 Introduction (p. 3)
1.1 Exploiting the Quantum World (p. 3)
1.2 Historical Background (p. 5)
1.3 Worldwide Efforts in QCC (p. 6)
Chapter 2 The Fundamentals of Quantum Information (p. 9)
Chapter 3 Quantum Computer Science (p. 17)
3.1 Introduction (p. 17)
3.2 Algorithms and the Complexity Problem (p. 18)
3.3 The Quantum Computation Answer (p. 19)
3.4 Quantum Algorithms (p. 20)
3.5 Quantum Logic Gates and Networks (p. 21)
3.6 Obstacles (p. 23)
3.7 A Workable Solution: Quantum Error Correction (p. 23)
3.8 Conclusions (p. 24)
Chapter 4 Experimental Realizations (p. 27)
4.1 Introduction (p. 27)
4.2 Trapped Ions (p. 27)
4.3 Nuclear Magnetic Resonance (p. 29)
4.4 Cavity Quantum Electrodynamics (p. 30)
4.5 Quantum Dots (p. 31)
Chapter 5 Optical Technologies for Quantum Computing and Communications (p. 33)
5.1 Introduction (p. 33)
5.2 Using the Quantum Nature of Light (p. 34)
5.2.1 Potential (p. 34)
5.2.2 Problems (p. 34)
5.3 Quantum Noise in Optical Communications (p. 35)
5.4 Generic Technologies in Quantum Communications (p. 35)
5.4.1 Nonlinear Optics (p. 36)
5.4.2 Cavity Quantum Electrodynamics (p. 36)
5.5 Operations Performed on Optical Signals (p. 37)
5.5.1 Signal Generation (p. 37)
5.5.2 Detection (p. 38)
5.5.3 Attenuation (p. 38)
5.5.4 Distribution (p. 39)
5.5.5 Amplification (p. 39)
5.6 Conclusions: Towards the Second Generation (p. 40)
Chapter 6 Applications (p. 43)
6.1 Introduction (p. 43)
6.2 Emerging Technologies (p. 44)
6.2.1 Quantum Cryptography (p. 44)
6.2.2 Quantum Repeaters (p. 44)
6.2.3 Quantum Simulators (p. 45)
6.2.4 Metrology and Few Photon Applications (p. 46)
6.3 Conclusions: Measuring Progress (p. 47)
Chapter 7 A Note on the Question of Scaling: Decoherence and Error Correction (p. 49)
Section II Personal Perspectives
Chapter 8 Solid State Quantum Computation: Prospects, Proposals, and Prejudices (p. 53)
Chapter 9 Information is Physical, But Slippery (p. 59)
Chapter 10 Nanocircuitry, Defect Tolerance and Quantum Computing: Architectural and Manufacturing Considerations (p. 63)
Chapter 11 Quantum Computing and NMR (p. 71)
Chapter 12 Quantum Networks and Quantum Algorithms (p. 79)
Chapter 13 Quantum Cryptography (p. 87)
Section III A Perspective for the Future
Chapter 14 Realizing the Potential of Quantum Information Processing (p. 97)
14.1 Prospects for Quantum Computing (p. 97)
14.2 Prospects for Special Applications (p. 98)
14.2.1 Quantum Simulation (p. 98)
14.2.2 Limited Qubit and Reduced-Noise High Precision Applications (p. 98)
14.2.3 Secure Communications (p. 99)
14.3 Meeting The Needs of the QIP Field (p. 99)
14.3.1 The Need for Academic Focus (p. 100)
14.3.2 The Need for Industrial Focus (p. 100)
14.3.3 The Need for Awareness (p. 101)
Chapter 15 The Role of Europe (p. 103)
15.1 The Pioneering Stage (p. 103)
15.2 Today (p. 104)
15.2.1 Multi-Disciplinary or Trans-Disciplinary Nature of the Community (p. 104)
15.2.2 The Numbers Involved (p. 104)
15.2.3 The Geographical Spread (p. 105)
15.2.4 The Industrial Scene (p. 105)
15.2.5 Summary of the European Scene (p. 106)
Chapter 16 Quantum Computing and Communications: A View from the USA (p. 107)
16.1 Introduction (p. 107)
16.2 What Works Well (p. 108)
16.3 What Does Not Work So Well (p. 108)
16.4 NASA/JPL (p. 109)
16.5 Lessons Learned from Experience with NASA (p. 111)
16.6 Opportunities for Europe (p. 111)
16.7 Commercialization (p. 112)
16.8 Recommendations (p. 113)
16.8.1 Programmatic Recommendations (p. 113)
16.8.2 Technology Solutions (p. 113)
16.8.3 Quantum Computer Science (p. 113)
16.8.4 Education and Training (p. 114)
Section IV Reference materials
Chapter 17 Quantum Information Processing: A Brief Overview of Recent Advances (p. 119)
17.1 Introduction (p. 119)
17.2 The Underlying Physical System (p. 120)
17.2.1 Quantum Bits and Quantum Superpositions (p. 120)
17.2.2 Quantum Gates (p. 120)
17.2.3 Quantum Parallelism (p. 121)
17.3 Fundamentals of Quantum Information (p. 121)
17.3.1 Entanglement (p. 121)
17.3.2 Quantum Dense Coding (p. 122)
17.3.3 Quantum Teleportation (p. 123)
17.4 Quantum Cryptography (p. 123)
17.4.1 Standard Cryptosystems (p. 123)
17.4.2 Quantum Key Distribution (p. 124)
17.5 Quantum Computing (p. 125)
17.5.1 Quantum Algorithms (p. 125)
17.5.2 Grover's Search Algorithm (p. 126)
17.5.3 Period Finding and Shor's Factorization Algorithm (p. 127)
17.5.4 Minimum Requirements for any Quantum System to Be a Quantum Computer (p. 128)
17.5.5 Simulation of Other Quantum Systems (p. 128)
17.6 Quantum Decoherence (p. 129)
17.6.1 What is Decoherence? (p. 129)
17.6.2 Quantum Error Correction (p. 130)
17.7 Experimental Realizations (p. 131)
17.7.1 Systems with Few Degrees of Freedom (p. 131)
17.7.2 Macroscopic Systems (p. 132)
17.8 Conclusions (p. 132)
Chapter 18 Categories and Definitions (p. 137)
18.1 Definitions and Glossary of Terms (p. 137)
18.1.1 Definition of Quantum Computing and Communications (p. 137)
18.1.2 Sub-Sector Definitions (p. 138)
18.1.3 Some Relevant Terms (p. 140)
18.2 The Disciplines that Contribute to Quantum Information Processing (p. 142)
Appendix A The Pathfinder Project (p. 145)
A.1 Pathfinder Activities (p. 145)
A.1.1 Newsletters (p. 145)
A.1.2 Database of Active Individuals and Organizations (p. 146)
A.1.3 Taxonomy of the Subject (p. 146)
A.1.4 Helsinki Conference (p. 146)
A.1.5 QIP Report (p. 147)
A.2 Pathfinder Project Partners (p. 147)
Appendix B A Preliminary QIP Roadmap (p. 149)
Index (p. 151)