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Author: Takaya Matsuura Publisher: Springer Nature ISBN: 9811982880 Category : Science Languages : en Pages : 172
Book Description
The book provides theoretical methods of connecting discrete-variable quantum information processing to continuous-variable one. It covers the two major fields of quantum information processing, quantum communication and quantum computation, leading to achievement of a long-sought full security of continuous-variable quantum key distribution (QKD) and proposal of a resource-efficient method for optical quantum computing. Firstly, the book provides a security of continuous-variable QKD against arbitrary attacks under a realistic condition such as finite communication rounds and the use of digitized information processing. The book also provides the unified view for conventionally used approximate Gottesman-Kitaev-Preskill (GKP) codes, which encodes qudits on a continuous-variable system, enabling direct comparison between researches based on different approximations. The book finally proposes a resource-efficient method to realize the universal optical quantum computation using the GKP code via the direct preparation of the GKP magic state instead of GKP Pauli states. Feasibility of the proposed protocol is discussed based on the existing experimental proposals for the GKP state preparation.
Author: Takaya Matsuura Publisher: Springer Nature ISBN: 9811982880 Category : Science Languages : en Pages : 172
Book Description
The book provides theoretical methods of connecting discrete-variable quantum information processing to continuous-variable one. It covers the two major fields of quantum information processing, quantum communication and quantum computation, leading to achievement of a long-sought full security of continuous-variable quantum key distribution (QKD) and proposal of a resource-efficient method for optical quantum computing. Firstly, the book provides a security of continuous-variable QKD against arbitrary attacks under a realistic condition such as finite communication rounds and the use of digitized information processing. The book also provides the unified view for conventionally used approximate Gottesman-Kitaev-Preskill (GKP) codes, which encodes qudits on a continuous-variable system, enabling direct comparison between researches based on different approximations. The book finally proposes a resource-efficient method to realize the universal optical quantum computation using the GKP code via the direct preparation of the GKP magic state instead of GKP Pauli states. Feasibility of the proposed protocol is discussed based on the existing experimental proposals for the GKP state preparation.
Author: S.L. Braunstein Publisher: Springer Science & Business Media ISBN: 9401512582 Category : Science Languages : en Pages : 419
Book Description
Quantum information may sound like science fiction but is, in fact, an active and extremely promising area of research, with a big dream: to build a quantum computer capable of solving problems that a classical computer could not even begin to handle. Research in quantum information science is now at an advanced enough stage for this dream to be credible and well-worth pursuing. It is, at the same time, too early to predict how quantum computers will be built, and what potential technologies will eventually strike gold in their ability to manipulate and process quantum information. One direction that has reaped many successes in quantum information processing relies on continuous variables. This area is bustling with theoretical and experimental achievements, from continuous-variable teleportation, to in-principle demonstrations of universal computation and efficient error correction. Now the time has come to compile some of the major results into one volume. In this book the leading researchers of the field present up-to-date developments of continuous-variable quantum information. This book is organized to suit many reader levels with introductions to every topic and in-depth discussions of theoretical and experimental results.
Author: Pieter Kok Publisher: Cambridge University Press ISBN: 1139486438 Category : Science Languages : en Pages : 505
Book Description
Quantum information processing offers fundamental improvements over classical information processing, such as computing power, secure communication, and high-precision measurements. However, the best way to create practical devices is not yet known. This textbook describes the techniques that are likely to be used in implementing optical quantum information processors. After developing the fundamental concepts in quantum optics and quantum information theory, the book shows how optical systems can be used to build quantum computers according to the most recent ideas. It discusses implementations based on single photons and linear optics, optically controlled atoms and solid-state systems, atomic ensembles, and optical continuous variables. This book is ideal for graduate students beginning research in optical quantum information processing. It presents the most important techniques of the field using worked examples and over 120 exercises.
Author: N J Cerf Publisher: World Scientific ISBN: 1908979364 Category : Languages : en Pages : 632
Book Description
Quantum information describes the new field which bridges quantum physics and information science. The quantum world allows for completely new architectures and protocols. While originally formulated in continuous quantum variables, the field worked almost exclusively with discrete variables, such as single photons and photon pairs. The renaissance of continuous variables came with European research consortia such as ACQUIRE (Advanced Coherent Quantum Information Research) in the late 1990s, and QUICOV (Quantum Information with Continuous Variables) from 2000–2003. The encouraging research results of QUICOV and the new conference series CVQIP (Continuous Variable Quantum Information Processing) triggered the idea for this book. This book presents the state of the art of quantum information with continuous quantum variables. The individual chapters discuss results achieved in QUICOV and presented at the first five CVQIP conferences from 2002-2006. Many world-leading scientists working on continuous variables outside Europe also contribute to the book. Contents: Bipartite and Multipartite Entanglement of Gaussian States (G Adesso & F Illuminati)Gaussian Quantum Channels (J Eisert & M M Wolf)Entanglement in Systems of Interacting Harmonic Oscillators (K M R Audenaert et al.)Continuous-Variable Quantum Key Distribution (F Grosshans et al.)Gaussian Quantum Cellular Automata (O Krüger & R F Werner)Distillation of Continuous-Variable Entanglement (J Fiurášek et al.)Loophole-Free Test of Quantum Nonlocality with Continuous Variables of Light (R García-Patrón et al.)Homodyne Tomography and the Reconstruction of Quantum States of Light (G M D'Ariano et al.)Schrödinger Cat States for Quantum Information Processing (H Jeong & T C Ralph)Polarization Squeezing and Entanglement (N Korolkova)Type-II Optical Parametric Oscillator: A Versatile Source of Quantum Correlations and Entanglement (J Laurat et al.)Accessing the Phase Quadrature of Intense Non-Classical Light State (O Glöckl et al.)Experimental Polarization Squeezing and Continuous Variable Entanglement via the Optical Kerr Effect (V Josse et al.)High-Fidelity Quantum Teleportation and a Quantum Teleportation Network (N Takei et al.)Quantum State Sharing with Continuous Variables (T Tyc et al.)Experimental Quantum Cloning with Continuous Variables (U L Andersen et al.)Quantum Imaging Techniques for Improving Information Extraction from Images (C Fabre et al.)Squeezed Light for Gravitational Wave Detectors (R Schnabel)Continuous Variables for Single Photons (L Zhang et al.)Experimental Non-Gaussian Manipulation of Continuous Variables (J Wenger et al.)Continuous-Variable Quantum-State Tomography of Optical Fields and Photons (A I Lvovsky & M G Raymer)Gaussian Description of Continuous Measurements on Continuous Variable Quantum Systems (L B Madsen & K Mølmer)Quantum State Preparation of Spin Ensembles by Continuous Measurement and Feedback (R van Handel et al.)Real-Time Quantum Feedback Control with Cold Alkali Atoms (J M Geremia)Deterministic Quantum Interface Between Light and Atomic Ensembles (K Hammerer et al.)Long Distance Quantum Communication with Atomic Ensembles (C W Chou et al.)Decoherence and Decoherence Suppression in Ensemble-Based Quantum Memories for Photons (M Fleischhauer & C Mewes) Readership: Researchers and students specializing in quantum information systems described by continuous variables; as supporting material for advanced university courses in the field.
Author: Steven Prawer Publisher: Elsevier ISBN: 0857096680 Category : Computers Languages : en Pages : 345
Book Description
Diamond nitrogen vacancy (NV) color centers can transform quantum information science into practical quantum information technology, including fast, safe computing. Quantum Information Processing with Diamond looks at the principles of quantum information science, diamond materials, and their applications. Part one provides an introduction to quantum information processing using diamond, as well as its principles and fabrication techniques. Part two outlines experimental demonstrations of quantum information processing using diamond, and the emerging applications of diamond for quantum information science. It contains chapters on quantum key distribution, quantum microscopy, the hybridization of quantum systems, and building quantum optical devices. Part three outlines promising directions and future trends in diamond technologies for quantum information processing and sensing. Quantum Information Processing with Diamond is a key reference for R&D managers in industrial sectors such as conventional electronics, communication engineering, computer science, biotechnology, quantum optics, quantum mechanics, quantum computing, quantum cryptology, and nanotechnology, as well as academics in physics, chemistry, biology, and engineering. Brings together the topics of diamond and quantum information processing Looks at applications such as quantum computing, neural circuits, and in vivo monitoring of processes at the molecular scale
Author: János A. Bergou Publisher: Springer Nature ISBN: 3030754367 Category : Computers Languages : en Pages : 310
Book Description
This new edition of a well-received textbook provides a concise introduction to both the theoretical and experimental aspects of quantum information at the graduate level. While the previous edition focused on theory, the book now incorporates discussions of experimental platforms. Several chapters on experimental implementations of quantum information protocols have been added: implementations using neutral atoms, trapped ions, optics, and solidstate systems are each presented in its own chapter. Previous chapters on entanglement, quantum measurements, quantum dynamics, quantum cryptography, and quantum algorithms have been thoroughly updated, and new additions include chapters on the stabilizer formalism and the Gottesman-Knill theorem as well as aspects of classical and quantum information theory. To facilitate learning, each chapter starts with a clear motivation to the topic and closes with exercises and a recommended reading list. Quantum Information Processing: Theory and Implementation will be essential to graduate students studying quantum information as well as and researchers in other areas of physics who wish to gain knowledge in the field.
Author: Ryuji Ukai Publisher: Springer ISBN: 4431550194 Category : Science Languages : en Pages : 351
Book Description
In this thesis, the author develops for the first time an implementation methodology for arbitrary Gaussian operations using temporal-mode cluster states. The author also presents three experiments involving continuous-variable one-way quantum computations, where their non-classical nature is shown by observing entanglement at the outputs. The experimental basic structure of one-way quantum computation over two-mode input state is demonstrated by the controlled-Z gate and the optimum nonlocal gate experiments. Furthermore, the author proves that the operation can be controlled by the gain-tunable entangling gate experiment.
Author: Daniel A. Lidar Publisher: Cambridge University Press ISBN: 0521897874 Category : Science Languages : en Pages : 689
Book Description
Focusing on methods for quantum error correction, this book is invaluable for graduate students and experts in quantum information science.
Author: Takaya Matsuura
Author: Takaya Matsuura
Author: S.L. Braunstein
Author: Warit Asavanant
Author: Pieter Kok
Author: N J Cerf
Author: Warit Asavanant
Author: Steven Prawer
Author: János A. Bergou
Author: Ryuji Ukai
Author: Daniel A. Lidar