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Cover
Half-title
Title
Copyright
Dedication
Contents
Acknowledgements
Chapter 1 Introduction
1.1 Scope and aims of this book
1.2 History
1.3 The contents of this book
References
Suggestions for further reading
Chapter 2 Field quantization
2.1 Quantization of a single-mode field
2.2 Quantum fluctuations of a single-mode field
2.3 Quadrature operators for a single-mode field
2.4 Multimode fields
2.5 Thermal fields
2.6 Vacuum fluctuations and the zero-point energy
2.7 The quantum phase
Problems
References
Bibliography
Quantum mechanics
Field theory
Chapter 3 Coherent states
3.1 Eigenstates of the annihilation operator and minimum uncertainty states
3.2 Displaced vacuum states
3.3 Wave packets and time evolution
3.4 Generation of coherent states
3.5 More on the properties of coherent states
3.6 Phase-space pictures of coherent states
3.7 Density operators and phase-space probability distributions
3.8 Characteristic functions
Problems
References
Bibliography
Coherent states
Quasi-probability distributions
Quantum-state tomography
Chapter 4 Emission and absorption of radiation by atoms
4.1 Atom–field interactions
4.2 Interaction of an atom with a classical field
4.3 Interaction of an atom with a quantized field
4.4 The Rabi model
4.5 Fully quantum-mechanical model; the Jaynes–Cummings model
4.6 The dressed states
4.7 Density-operator approach: application to thermal states
4.8 The Jaynes–Cummings model with large detuning: a dispersive interaction
4.9 Extensions of the Jaynes–Cummings model
4.10 Schmidt decomposition and von Neumann entropy for the Jaynes–Cummings model
Problems
References
Bibliography
Chapter 5 Quantum coherence functions
5.1 Classical coherence functions
5.2 Quantum coherence functions
5.3 Young’s interference
5.4 Higher-order coherence functions
Problems
References
Bibliography
Chapter 6 Beam splitters and interferometers
6.1 Experiments with single photons
6.2 Quantum mechanics of beam splitters
6.3 Interferometry with a single photon
6.4 Interaction-free measurement
6.5 Interferometry with coherent states of light
Problems
References
Bibliography
Chapter 7 Nonclassical light
7.1 Quadrature squeezing
7.2 Generation of quadrature squeezed light
7.3 Detection of quadrature squeezed light
7.4 Amplitude (or number) squeezed states
7.5 Photon antibunching
7.6 Schrödinger cat states
7.7 Two-mode squeezed vacuum states
7.8 Higher-order squeezing
7.9 Broadband squeezed light
Problems
References
Bibliography
Chapter 8 Dissipative interactions and decoherence
8.1 Introduction
8.2 Single realizations or ensembles?
8.3 Individual realizations
8.4 Shelving and telegraph dynamics in three-level atoms
8.5 Decoherence
8.6 Generation of coherent states from decoherence: optical balance
8.7 Conclusions
Problems
References
Bibliography
Chapter 9 Optical test of quantum mechanics
9.1 Photon sources: spontaneous parametric down-conversion
9.2 The Hong–Ou–Mandel interferometer
9.3 The quantum eraser
9.4 Induced coherence
9.5 Superluminal tunneling of photons
9.6 Optical test of local realistic theories and Bell’s theorem
9.7 Franson’s experiment
9.8 Applications of down-converted light to metrology without absolute standards
Problems
References
Bibliography
Chapter 10 Experiments in cavity QED and with trapped ions
10.1 Rydberg atoms
10.2 Rydberg atom interacting with a cavity field
10.3 Experimental realization of the Jaynes–Cummings model
10.4 Creating entangled atoms in CQED
10.5 Formation of Schröodinger cat states with dispersive atom–field interactions and decoherence from the quantum to the classical
10.6 Quantum nondemolition measurement of photon number
10.7 Realization of the Jaynes–Cummings interaction in the motion of a trapped ion
10.8 Concluding remarks
Problems
References
Bibliography
Chapter 11 Applications of entanglement: Heisenberg-limited interferometry and quantum information processing
11.1 The entanglement advantage
11.2 Entanglement and interferometric measurements
11.3 Quantum teleportation
11.4 Cryptography
11.5 Private key crypto-systems
11.6 Public key crypto-systems
11.7 The quantum random number generator
11.8 Quantum cryptography
11.8.1 Quantum key distribution
11.8.2 The BB84 protocol
11.8.3 The B92 protocol
11.8.4 The Ekert protocol
11.9 Future prospects for quantum communication
11.10 Gates for quantum computation
11.11 An optical realization of some quantum gates
11.12 Decoherence and quantum error correction
Problems
References
Bibliography
Appendix A: The density operator, entangled states, the Schmidt decomposition, and the von Neumann entropy
A.1 The density operator
A.2 Two-state system and the Bloch sphere
A.3 Entangled states
A.4 Schmidt decomposition
A.5 von Neumann entropy
A.6 Dynamics of the density operator
References
Bibliography
Appendix B: Quantum measurement theory in a (very small) nutshell
Bibliography
Appendix C: Derivation of the effective Hamiltonian for dispersive (far off-resonant) interactions
References
Appendix D: Nonlinear optics and spontaneous parametric down-conversion
References
Index
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Introductory Quantum Optics This book provides an elementary introduction to the subject of quantum optics, the study of the quantum-mechanical nature of light and its interaction with matter. The presentation is almost entirely concerned with the quantized electromag- netic field. Topics covered include single-mode field quantization in a cavity, quantization of multimode fields, quantum phase, coherent states, quasi- probability distribution in phase space, atom–field interactions, the Jaynes– Cummings model, quantum coherence theory, beam splitters and interferom- eters, nonclassical field states with squeezing etc., tests of local realism with entangled photons from down-conversion, experimental realizations of cavity quantum electrodynamics, trapped ions, decoherence, and some applications to quantum information processing, particularly quantum cryptography. The book contains many homework problems and a comprehensive bibliography. This text is designed for upper-level undergraduates taking courses in quantum optics who have already taken a course in quantum mechanics, and for first- and second-year graduate students. A solutions manual is available to instructors via solutions@cambridge.org. C          G    is Professor of Physics at Lehman College, City Uni- versity of New York. He was one of the first to exploit the use of group theoretical methods in quantum optics and is also a frequent contributor to Physical Review A. In 1992 he co-authored, with A. Inomata and H. Kuratsuji, Path Integrals and Coherent States for Su (2) and SU (1, 1). P    K      is a leading figure in quantum optics, and in addition to being President of the Optical Society of America in 2004, he is a Fellow of the Royal Society. In 1983 he co-authored Concepts of Quantum Optics with L. Allen. He is currently Head of the Physics Department of Imperial College and Chief Scientific Advisor at the UK National Physical Laboratory.
Introductory Quantum Optics Christopher Gerry Lehman College, City University of New York Peter Knight Imperial College London and UK National Physical Laboratory
cambridge university press Cambridge, New York, Melbourne, Madrid, Cape Town, Singapore, São Paulo Cambridge University Press The Edinburgh Building, Cambridge cb2 2ru, UK Published in the United States of America by Cambridge University Press, New York www.cambridge.org Information on this title: www.cambridge.org/9780521820356 © C. C. Gerry and P. L. Knight 2005 This publication is in copyright. Subject to statutory exception and to the provision of relevant collective licensing agreements, no reproduction of any part may take place without the written permission of Cambridge University Press. First published in print format 2004 isbn-13 978-0-511-22949-7 isbn-10 0-511-22949-6 eBook (EBL) eBook (EBL) isbn-13 978-0-521-82035-6 isbn-10 0-521-82035-9 hardback hardback isbn-13 978-0-521-52735-4 isbn-10 0-521-52735-x paperback paperback Cambridge University Press has no responsibility for the persistence or accuracy of urls for external or third-party internet websites referred to in this publication, and does not guarantee that any content on such websites is, or will remain, accurate or appropriate.
C. C. G. dedicates this book to his son, Eric. P. L. K. dedicates this book to his wife Chris.
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