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Author : Timothy E. Keller
Publisher :
ISBN 13 :
Total Pages : 232 pages
Book Rating : 4.:/5 (424 download)
Download or read book Multi-photon Entanglements from Pulsed Pump Spontaneous Parametric Down-conversion written by Timothy E. Keller and published by . This book was released on 1999 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Keyu Xia
Publisher : BoD – Books on Demand
ISBN 13 : 183880353X
Total Pages : 112 pages
Book Rating : 4.8/5 (388 download)
Download or read book Single Photon Manipulation written by Keyu Xia and published by BoD – Books on Demand. This book was released on 2020-11-11 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt: This short book aims to present basic information about single photons in a quick read but with not many details. For this purpose, it only introduces the basic concept of single photons, the most important method of generating single photons in experiments, and a specific emerging field.
Author : Ari T. Friberg
Publisher : SPIE Press
ISBN 13 : 0819472344
Total Pages : 754 pages
Book Rating : 4.8/5 (194 download)
Download or read book Advances in Information Optics and Photonics written by Ari T. Friberg and published by SPIE Press. This book was released on 2008 with total page 754 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this age of the photon, information optics and photonics represent the key technologies to sustain our knowledge-based society. New concepts in classical and quantum-entangled light, coherent interaction with matter, and novel materials and processes have led to remarkable advances in today's information science and technology. The ICO is closely involved with information optics, as exemplified by the ICO topical meeting on Optoinformatics / Information Photonics (St. Petersburg, Russia, 2006), the ICO/ICTP Winter College on Quantum and Classical Aspects of Information Optics (Trieste, Italy, 2006), and the many ICO Prizes recently awarded on outstanding contributions on these topics. This book is in part based on these ICO activities.
Author : George Khoury
Publisher :
ISBN 13 : 9780542682193
Total Pages : 342 pages
Book Rating : 4.6/5 (821 download)
Download or read book Multi-photon Entanglement from Parametric Downconversion written by George Khoury and published by . This book was released on 2006 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt: Several optics experiments at the few-photon level are presented. First, we demonstrate the production of entangled states of up to 100 photons and methods to analyze their entanglement with single photon detectors. We then develop a method to generate path entangled states of light from the output of a parametric downconverter without postselection. We observe the bunching of composite states of photons, and show that they can exhibit bosonic or fermionic behavior depending on their internal phase. We demonstrate a novel way to produce entangled photon pairs that provides unmatched quantum interference visibility when using an ultrafast pump source. We then theoretically analyze the multi-photon state produced with such a source. By using the Schmidt decomposition of the state, we obtain intuitive expressions for four-fold correlation functions and also the non-perturbative solution to the downconversion interaction Hamiltonian. Finally, we present two measurements of the output of a Mach-Zehnder interferometer using a novel multiphoton detector. We show that the individual photon absorption probabilities vary on a subwavelength scale. We also show, using a Bayesian analysis of the detection results, that the phase sensitivity of an interferometer is in fact independent of phase angle, in contrast to the widely used standard theory.
Author : S.L. Braunstein
Publisher : Springer Science & Business Media
ISBN 13 : 9401512582
Total Pages : 419 pages
Book Rating : 4.4/5 (15 download)
Download or read book Quantum Information with Continuous Variables written by S.L. Braunstein and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 419 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 : Maria Chekhova
Publisher : Walter de Gruyter GmbH & Co KG
ISBN 13 : 3110605090
Total Pages : 267 pages
Book Rating : 4.1/5 (16 download)
Download or read book Polarization of Light written by Maria Chekhova and published by Walter de Gruyter GmbH & Co KG. This book was released on 2021-03-22 with total page 267 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book starts with the description of polarization in classical optics, including also a chapter on crystal optics, which is necessary to understand the use of nonlinear crystals. In addition, spatially non-uniform polarization states are introduced and described. Further, the role of polarization in nonlinear optics is discussed. The final chapters are devoted to the description and applications of polarization in quantum optics and quantum technologies.
Author : Gregg Jaeger
Publisher : Springer Science & Business Media
ISBN 13 : 3642376290
Total Pages : 212 pages
Book Rating : 4.6/5 (423 download)
Download or read book Quantum Objects written by Gregg Jaeger and published by Springer Science & Business Media. This book was released on 2013-08-27 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: This monograph identifies the essential characteristics of the objects described by current quantum theory and considers their relationship to space-time. In the process, it explicates the senses in which quantum objects may be consistently considered to have parts of which they may be composed or into which they may be decomposed. The book also demonstrates the degree to which reduction is possible in quantum mechanics, showing it to be related to the objective indefiniteness of quantum properties and the strong non-local correlations that can occur between the physical quantities of quantum subsystems. Careful attention is paid to the relationships among such property correlations, physical causation, probability, and symmetry in quantum theory. In this way, the text identifies and clarifies the conceptual grounds underlying the unique nature of many quantum phenomena.
Author : Stephen Barnett
Publisher : Oxford University Press
ISBN 13 : 9780198563617
Total Pages : 302 pages
Book Rating : 4.5/5 (636 download)
Download or read book Methods in Theoretical Quantum Optics written by Stephen Barnett and published by Oxford University Press. This book was released on 2002-11-14 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work presents the mathematical methods widely used by workers in the field of quantum optics. It deals with the physical assumptions which lead to the models and approximations employed, but the main purpose of the text is to give a firm grounding in those techniques needed to derive analytical solutions to problems.
Author : Deny R. Hamel
Publisher :
ISBN 13 :
Total Pages : 84 pages
Book Rating : 4.:/5 (827 download)
Download or read book Realization of Novel Entangled Photon Sources Using Periodically Poled Materials written by Deny R. Hamel and published by . This book was released on 2010 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis deals with the production of entangled photons using spontaneous parametric down-conversion (SPDC). We start with a short overview of some important theoretical concepts. First we provide a brief reminder of the theory of entanglement. We then discuss how the state of quantum systems can be determined using quantum state tomography. We also explain SPDC, the physical process which we use to produce entangled photons. Finally, we give an overview of the methods which have been used to produce entangled photons in the past, both for two- and three-photon entanglement. The first experiment is the design of an efficient source of entangled photon pairs based on a polarizing Sagnac interferometer configuration. With this configuration, we can use quasi-phasematched materials which allow for higher efficiencies than standard bulk nonlinear materials. The source is pumped by a low-power continuous-wave laser diode, and produces degenerate photon pairs at 809nm. It has a spectral brightness of 87,500 pairs/(s mW nm), and the fidelity of the produced quantum states with a Bell state is 98.9%. The source is used for experiments in quantum key distribution, cluster state quantum computing, remote state preparation, state discrimination, and entanglement-enhanced classical communication. The second experiment discussed in this thesis is the generation of photon triplets using cascaded SPDC. In this experiment, a primary SPDC source is pumped with a low-power, continuous-wave laser diode, producing photon pairs. Single photons from these pairs serve as the pump for a second down-conversion, resulting in photon triplets. This is the first demonstration of the direct production of photon triplets, and the first observation of SPDC at the single photon level. This method could potentially be used to produce entangled photon triplets without post-selection, and as a source of triggered Bell pairs.
Author : Ralf Menzel
Publisher : Springer Science & Business Media
ISBN 13 : 3540231609
Total Pages : 1042 pages
Book Rating : 4.5/5 (42 download)
Download or read book Photonics written by Ralf Menzel and published by Springer Science & Business Media. This book was released on 2007-07-30 with total page 1042 pages. Available in PDF, EPUB and Kindle. Book excerpt: Shows how nonlinear phenomena play a more and more important role for everybody using the laser "as a tool," making it unique in this respect. Provides a basic knowledge of modern lasers, as well as the principles of nonlinear optical spectroscopy (and an exhaustive list of 4000 references) From first-edition reviews: "Almost a handbook, reviewing in a single author's voice the basic properties of light and its linear and nonlinear interactions with matter, both in the absence and in the presence of absorption." Physics Today
Author : Rodney Loudon
Publisher : OUP Oxford
ISBN 13 : 0191589780
Total Pages : 454 pages
Book Rating : 4.1/5 (915 download)
Download or read book The Quantum Theory of Light written by Rodney Loudon and published by OUP Oxford. This book was released on 2000-09-07 with total page 454 pages. Available in PDF, EPUB and Kindle. Book excerpt: This third edition, like its two predecessors, provides a detailed account of the basic theory needed to understand the properties of light and its interactions with atoms, in particular the many nonclassical effects that have now been observed in quantum-optical experiments. The earlier chapters describe the quantum mechanics of various optical processes, leading from the classical representation of the electromagnetic field to the quantum theory of light. The later chapters develop the theoretical descriptions of some of the key experiments in quantum optics. Over half of the material in this third edition is new. It includes topics that have come into prominence over the last two decades, such as the beamsplitter theory, squeezed light, two-photon interference, balanced homodyne detection, travelling-wave attenuation and amplification, quantum jumps, and the ranges of nonliner optical processes important in the generation of nonclassical light. The book is written as a textbook, with the treatment as a whole appropriate for graduate or postgraduate students, while earlier chapters are also suitable for final- year undergraduates. Over 100 problems help to intensify the understanding of the material presented.
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Author : Reinhold Bertlmann
Publisher : Springer
ISBN 13 : 3319389874
Total Pages : 528 pages
Book Rating : 4.3/5 (193 download)
Download or read book Quantum [Un]Speakables II written by Reinhold Bertlmann and published by Springer. This book was released on 2016-11-15 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: This self-contained essay collection is published to commemorate half a century of Bell’s theorem. Like its much acclaimed predecessor “Quantum [Un]Speakables: From Bell to Quantum Information” (published 2002), it comprises essays by many of the worlds leading quantum physicists and philosophers. These revisit the foundations of quantum theory as well as elucidating the remarkable progress in quantum technologies achieved in the last couple of decades. Fundamental concepts such as entanglement, nonlocality and contextuality are described in an accessible manner and, alongside lively descriptions of the various theoretical and experimental approaches, the book also delivers interesting philosophical insights. The collection as a whole will serve as a broad introduction for students and newcomers as well as delighting the scientifically literate general reader.
Author : Jonathan C.F. Matthews
Publisher : Springer Science & Business Media
ISBN 13 : 3642328695
Total Pages : 128 pages
Book Rating : 4.6/5 (423 download)
Download or read book Multi-Photon Quantum Information Science and Technology in Integrated Optics written by Jonathan C.F. Matthews and published by Springer Science & Business Media. This book was released on 2012-10-06 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: Photons are an attractive option for testing fundamental quantum physics and developing new quantum-enhanced technology, including highly advanced computers and simulators, as well as precision sensing beyond shot-noise. Traditionally, bulk optical components have been bolted onto optical benches to realize metre-scale quantum circuits. However this approach is ultimately proving unwieldy for increasing the complexity and for scaling up to practical quantum technologies based on photons. The work presented here demonstrates a series of quantum photonic devices based on waveguide circuits embedded in miniature monolithic chips. This represents a paradigm shift in the underlying architecture of quantum optics and provides key building blocks for all-optical and hybrid quantum technologies.
Author : Hiroshi Imai
Publisher : Springer Science & Business Media
ISBN 13 : 3540331336
Total Pages : 280 pages
Book Rating : 4.5/5 (43 download)
Download or read book Quantum Computation and Information written by Hiroshi Imai and published by Springer Science & Business Media. This book was released on 2008-09-12 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book reviews selected topics charterized by great progress and covers the field from theoretical areas to experimental ones. It contains fundamental areas, quantum query complexity, quantum statistical inference, quantum cloning, quantum entanglement, additivity. It treats three types of quantum security system, quantum public key cryptography, quantum key distribution, and quantum steganography. A photonic system is highlighted for the realization of quantum information processing.
Author :
Publisher : Elsevier
ISBN 13 : 0080535429
Total Pages : 639 pages
Book Rating : 4.0/5 (85 download)
Download or read book Quantum Entanglement and Information Processing written by and published by Elsevier. This book was released on 2004-11-05 with total page 639 pages. Available in PDF, EPUB and Kindle. Book excerpt: It has been recognised recently that the strange features of the quantum world could be used for new information transmission or processing functions such as quantum cryptography or, more ambitiously, quantum computing. These fascinating perspectives renewed the interest in fundamental quantum properties and lead to important theoretical advances, such as quantum algorithms and quantum error correction codes. On the experimental side, remarkable advances have been achieved in quantum optics, solid state physics or nuclear magnetic resonance. This book presents the lecture notes of the Les Houches Summer School on ‘Quantum entanglement and information processing’. Following the long tradition of the les Houches schools, it provides a comprehensive and pedagogical approach of the whole field, written by renowned specialists.One major goal of this book is to establish connections between the communities of quantum optics and of quantum electronic devices working in the area of quantum computing. When two communities share the same goals, the universality of physics unavoidably leads to similar developments. However, the communication barrier is often high, and few physicists are able to overcome it. This school has contributed to bridge the existing gap between communities, for the benefit of the future actors in the field of quantum computing. The book thus combines introductory chapters, providing the reader with a sufficiently wide theoretical framework in quantum information, quantum optics and quantum circuits physics, with more specialized presentations of recent theoretical and experimental advances in the field. This structure makes the book accessible to any graduate student having a good knowledge of basic quantum mechanics, and extremely useful to researchers. · Covers quantum optics, solid state physics and NMR implementations· Pedagogical approach combining introductory lectures and advanced chapters· Written by leading experts in the field· Accessible to all graduate students with a basic knowledge of quantum mechanics
Author : Cheng-An Chen
Publisher : Springer Nature
ISBN 13 : 3031133552
Total Pages : 151 pages
Book Rating : 4.0/5 (311 download)
Download or read book Probing Non-Equilibrium Dynamics in Two-Dimensional Quantum Gases written by Cheng-An Chen and published by Springer Nature. This book was released on 2022-10-11 with total page 151 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis explores the physics of non-equilibrium quantum dynamics in homogeneous two-dimensional (2D) quantum gases. Ultracold quantum gases driven out of equilibrium have been prominent platforms for studying quantum many-body physics. However, probing non-equilibrium dynamics in conventionally trapped, inhomogeneous atomic quantum gases has been a challenging task because coexisting mass transport and spreading of quantum correlations often complicate experimental analyses. In this work, the author solves this technical hurdle by producing ultracold cesium atoms in a quasi-2D optical box potential. The exquisite optical trap allows one to remove density inhomogeneity in a degenerate quantum gas and control its dimensionality. The author also details the development of a high-resolution, in situ imaging technique to monitor the evolution of collective excitations and quantum transport down to atomic shot-noise, and at the length scale of elementary collective excitations. Meanwhile, tunable Feshbach resonances in ultracold cesium atoms permit precise and dynamical control of interactions with high temporal and even spatial resolutions. By employing these state-of-the-art techniques, the author performed interaction quenches to control the generation and evolution of quasiparticles in quantum gases, presenting the first direct measurement of quantum entanglement between interaction quench generated quasiparticle pairs in an atomic superfluid. Quenching to attractive interactions, this work shows stimulated emission of quasiparticles, leading to amplified density waves and fragmentation, forming 2D matter-wave Townes solitons that were previously considered impossible to form in equilibrium due to their instability. This thesis unveils a set of scale-invariant and universal quench dynamics and provides unprecedented tools to explore quantum entanglement transport in a homogenous quantum gas.
Author : Mary Bell
Publisher : Cambridge University Press
ISBN 13 : 1107104343
Total Pages : 459 pages
Book Rating : 4.1/5 (71 download)
Download or read book Quantum Nonlocality and Reality written by Mary Bell and published by Cambridge University Press. This book was released on 2016-09-19 with total page 459 pages. Available in PDF, EPUB and Kindle. Book excerpt: A collaboration between distinguished physicists and philosophers of physics, this important anthology surveys the deep implications of Bell's nonlocality theorem.
