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[资源] Cambridge2010Introduction to Optical Quantum Information Processing

Part I Quantum optics and quantum information
1 The quantum theory of light 3
1.1 The classical electromagnetic field 3
1.2 Quantization of the electromagnetic field 6
1.3 Mode functions and polarization 16
1.4 Evolution of the field operators 25
1.5 Quantum states of the electromagnetic field 37
1.6 References and further reading 46
2 Quantum information processing 48
2.1 Quantum information 48
2.2 Quantum communication 57
2.3 Quantum computation with qubits 62
2.4 Quantum computation with continuous variables 80
2.5 References and further reading 89
3 Figures of merit 90
3.1 Density operators and superoperators 90
3.2 The fidelity 100
3.3 Entropy, information, and entanglement measures 101
3.4 Correlation functions and interference of light 105
3.5 Photon correlation measurements 108
3.6 References and further reading 110
Part II Quantum information in photons and atoms
4 Photon sources and detectors 113
4.1 A mathematical model of photodetectors 113
4.2 Physical implementations of photodetectors 121
4.3 Single-photon sources 129
4.4 Entangled photon sources 139
4.5 Quantum non-demolition photon detectors 142
4.6 References and further reading 144
viii Contents
5 Quantum communication with single photons 145
5.1 Photons as information carriers 145
5.2 Quantum teleportation and entanglement swapping 162
5.3 Decoherence-free subspaces for communication 170
5.4 Quantum cryptography 172
5.5 References and further reading 177
6 Quantum computation with single photons 179
6.1 Optical N-port interferometers and scalability 179
6.2 Post-selection and feed-forward gates 181
6.3 Building quantum computers with probabilistic gates 192
6.4 Photon counting and quantum memories 202
6.5 Threshold theorem for linear-optical quantum computing 207
6.6 References and further reading 209
7 Atomic quantum information carriers 210
7.1 Atomic systems as qubits 210
7.2 The Jaynes–Cummings Hamiltonian 222
7.3 The optical master equation and quantum jumps 227
7.4 Entangling operations via path erasure 236
7.5 Other entangling gates 245
7.6 References and further reading 251
Part III Quantum information in many-body systems
8 Quantum communication with continuous variables 255
8.1 Phase space in quantum optics 255
8.2 Continuous-variable entanglement 267
8.3 Teleportation and entanglement swapping 272
8.4 Entanglement distillation 280
8.5 Quantum cryptography 281
8.6 References and further reading 293
9 Quantum computation with continuous variables 294
9.1 Single-mode optical qunat gates 294
9.2 Two-mode Gaussian qunat operations 299
9.3 The Gottesman–Knill theorem for qunats 303
9.4 Nonlinear optical qunat gates 307
9.5 The one-way model for qunats 309
9.6 Quantum error correction for qunats 318
9.7 References and further reading 326
10 Atomic ensembles in quantum information processing 327
10.1 An ensemble of identical two-level atoms 327
10.2 Electromagnetically induced transparency 337
ix Contents
10.3 Quantum memories and quantum repeaters 344
10.4 The atomic ensemble as a single qubit 352
10.5 Photon–photon interactions via atomic ensembles 355
10.6 References and further reading 360
11 Solid-state quantum information carriers 361
11.1 Basic concepts of solid-state systems 361
11.2 Definition and optical manipulation of solid-state qubits 375
11.3 Interactions in solid-state qubit systems 381
11.4 Entangling two-qubit operations 384
11.5 Scalability of solid-state devices 393
11.6 References and further reading 395
12 Decoherence of solid-state qubits 397
12.1 Phonons 397
12.2 Electron–phonon coupling 400
12.3 The master equation for electrons and phonons 403
12.4 Overcoming decoherence 406
12.5 Strong coupling effects 412
12.6 References and further reading 419
13 Quantum metrology 421
13.1 Parameter estimation and Fisher information 421
13.2 The statistical distance 425
13.3 The dynamical evolution of states 433
13.4 Entanglement-assisted parameter estimation 437
13.5 Optical quantum metrology 440
13.6 References and further reading 452
Appendix A Baker–Campbell–Haussdorff relations 454
Appendix B The Knill–Laflamme–Milburn protocol 457
Appendix C Cross–Kerr nonlinearities for single photons 462
References 465
Index 477

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附件 1 : Introduction_to_Optical_Quantum_Information_Processing_-_P._Kok,_B._W._Lovett_(Cambridge_University_Press,_2010).pdf

2015-03-05 11:06:32, 4.27 M