Ultrafast optical control of semiconductor spin qubits toward ...

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3rd Asia Pacific Physics Conference (World Scientific, Singapore, 1988) p.779 Quantum mechanical aspects of optical communication and optical computing Y. Yamamoto, M. Kitagawa and K. Igeta Basic Research Laboratories, Nippon Telegraph and Telephone Corporation Musashino-shi, Tokyo 180, Japan Controlled-NOT Gate for Flying Qubits using Nonlinear Interferometer control |0 C / |1 C phase shift output 1 output 2 Controlled-Phase Gate for Matter Qubits using Stimulated Raman Scattering input 1 |0 1 / |1 1 A Fredkin gate using two three-level atoms and -pulse coherent state field input 2 |0 2 A nonlinear single photon interferometer operates as a Fredkin gate. 2
Outline • Physical qubits Optically controlled semiconductor spins • Essential elements for fault-tolerant quantum information processing • Qubit initialization • Single qubit gate • Two qubit gate • Projective measurement and entanglement distribution • Indistinguishable single photons • Quantum memory (electron and nuclear spins) 3
Page 1: Ultrafast Optical Control of Semico
Page 5 and 6: Magnetic Spectrum of Charged Excito
Page 7 and 8: Outline • Physical qubits Optica
Page 13 and 14: Single QD Experiment: Coherent Rabi
Page 17 and 18: Dissipative, Measurement-Free and D
Page 19 and 20: Differential Phase Shift Projective
Page 23 and 24: Indistinguishable Single Photons fr
Page 25 and 26: Clean Atomic Systems in Semiconduct
Page 27 and 28: Summary and Outlook Essential eleme
Page 29 and 30: Measurement of Nuclear Polarization
Page 31 and 32: The Dependence of Decoherence Time
Page 33 and 34: Entanglement Distribution with Sing

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