High-order Interference of Photons in Thermal State

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Publisher :
ISBN 13 :
Total Pages : 284 pages
Book Rating : 4.:/5 (964 download)

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Book Synopsis High-order Interference of Photons in Thermal State by : Tao Peng

Download or read book High-order Interference of Photons in Thermal State written by Tao Peng and published by . This book was released on 2015 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: Superposition principle is one of the most challenging principles of quantum theory, especially in the multi-particle situation. In the language of quantum mechanics, the high-order quantum interference of multi-particle is the consequence of a superposition among different yet indistinguishable probability amplitudes, a non-classical entity corresponding to different yet indistinguishable alternative ways of producing a joint-detection event among distant detectors. In optics, the theory of multiphoton interference of quantum light such as entangled photons are well established and accepted. On the other hand, classical interpretation is frequently used to explain the multiphoton interference of classical light such as thermal light and pseudo-thermal light due to the historical reasons. In this dissertation, we will focus on the study of high-order interference of photons in thermal and pseudo-thermal states. Sunlight, as a typical thermal light, contains a large number of independent and randomly radiated point subsources resulted from the spontaneous atomic transitions. The atomic transitions emit subfields at random positions and times with random phases. The pseudo-thermal light, consisting of a laser beam and a rotating diffusing ground glass, which is frequently used in the lab, can also be modeled as containing a large number of independent and randomly radiated subsouces. A large number of subelds with random phases are then generated from those subsources at random positions and times. As we will show in the dissertation, despite the classical feature of the source, the high-order interference of photons in thermal and pseudo-thermal states can only be fully understood by quantum theory due to the nonlocal nature. We gave a new analysis of the statistical property of pseudo-thermal light based on the coherent state representation following the Glauber-Scully theory. We showed that the new model can describe the energy distribution of the pseudo-thermal light very well. We then showed a novel detection scheme called Photon-Number Fluctuation Correlation(PNFC) protocol, which measures the photon number fluctuation of each of the photodetectors and calculates the statistical correlation between them. This scheme was then applied to measure a 100% HBT correlation and the result can be explained as a nonlocal two-photon interference phenomenon. In additional, the PNFC protocol can be applied to thermal light ghost imaging resulting a 100% visibility ghost imaging measurement as well as high resolution. A set of experiments on the foundations of quantum theory including the delayed-choice quantum eraser experiment and Popper's experiment are then discussed. Nonlocal interference of randomly paired photons measured with the PNFC protocol is applied to explain the experimental results. The single photon picture can lead to paradoxes that can only be understood with the nonlocal interference of random thermal photon pairs with themselves. The nonlocal feature in the interference of photons in thermal state then inspired us to simulate Bell sate with photons in thermal state and extended the test of Bell s inequality to the fluctuation correlation measurement. Experimental observation of Bell correlation from the polarization measurement of thermal fields in photon-number fluctuations is reported, the experimental test of Bell's inequality in photon-number fluctuations is also reported. We then extended this scheme to the simulation of 3-photon GHZ state. The successful simulation of n-photon entangled states can lead to new perspective for quantum computing with thermal light. To demonstrate the potential of thermal light quantum computing, a simulation of the controlled-NOT gate operation is shown in the last part of the thesis. Throughout the dissertation, we showed that the phenomena of photons in thermal and pseudo-thermal state can be more easily and deeply understood by quantum mechanics.

Testing Quantum Theory with Higher-Order Interference in Many-Particle Correlations

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Author :
Publisher : Springer Nature
ISBN 13 : 3031044541
Total Pages : 209 pages
Book Rating : 4.0/5 (31 download)

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Book Synopsis Testing Quantum Theory with Higher-Order Interference in Many-Particle Correlations by : Marc-Oliver Pleinert

Download or read book Testing Quantum Theory with Higher-Order Interference in Many-Particle Correlations written by Marc-Oliver Pleinert and published by Springer Nature. This book was released on 2022-05-18 with total page 209 pages. Available in PDF, EPUB and Kindle. Book excerpt: The structure of quantum theory permits interference of indistinguishable paths. At the same time, however, it also limits such interference to certain orders and any higher-order interference is prohibited. This thesis develops and studies concepts to test quantum theory with higher-order interference using many-particle correlations, the latter being generally richer and typically more subtle than single-particle correlations. It is demonstrated that quantum theory in general allows for interference up to order 2M in M-particle correlations. Depending on the mutual coherence of the particles, however, the related interference hierarchy can terminate earlier. In this thesis, we show that mutually coherent particles can exhibit interference of the highest orders allowed. We further demonstrate that interference of mutually incoherent particles truncates already at order M+1, although interference of the latter is principally more multifaceted than their coherent counterpart. We introduce two families of many-particle Sorkin parameters, whose members are expected to be all zero when quantum mechanics holds. As proof of concept, we demonstrate the disparate vanishing of such higher-order interference terms as a function of coherence in experiments with mutually coherent and incoherent sources. Finally, we investigate the influence of exotic kinked or looped quantum paths, which are permitted by Feynman’s path integral approach, in such setups.

Interference Properties of Photons

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Publisher :
ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Interference Properties of Photons by : David W. Ross

Download or read book Interference Properties of Photons written by David W. Ross and published by . This book was released on 1963 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Brown-Twiss photon correlation effect is discussed in purely quantum-mechanical terms. It is shown that for states incoherent in the sense that the phase of the electric field component at each frequency is unknown, Bose commutation relations imply the existence of intensity beats at all the difference frequencies. This result does not depend on lack of knowledge of the number of photons at each frequency; the beats are obtained even if the state is known to be an n-photon one. This derivation is compared with the classical theories of Brown and Twiss, and Purcell. A discussion is also given of interference in spatially localized states.

Far from Equilibrium Phase Transitions

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Publisher : Springer
ISBN 13 : 9783540506430
Total Pages : 360 pages
Book Rating : 4.5/5 (64 download)

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Book Synopsis Far from Equilibrium Phase Transitions by : Luis Garrido

Download or read book Far from Equilibrium Phase Transitions written by Luis Garrido and published by Springer. This book was released on 1988-12-21 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: This collection of lectures covers a wide range of present day research in thermodynamics and the theory of phase transitions far from equilibrium. The contributions are written in a pedagogical style and present an extensive bibliography to help graduates organize their further studies in this area. The reader will find lectures on principles of pattern formation in physics, chemistry and biology, phase instabilities and phase transitions, spatial and temporal structures in optical systems, transition to chaos, critical phenomena and fluctuations in reaction-diffusion systems, and much more.

Multi-Photon Quantum Interference

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Publisher : Springer Science & Business Media
ISBN 13 : 0387255540
Total Pages : 271 pages
Book Rating : 4.3/5 (872 download)

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Book Synopsis Multi-Photon Quantum Interference by : Zhe-Yu Jeff Ou

Download or read book Multi-Photon Quantum Interference written by Zhe-Yu Jeff Ou and published by Springer Science & Business Media. This book was released on 2007-06-08 with total page 271 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book details parametric down-conversion for the generation of non-classical state of light and its applications in generating various kinds of quantum entanglement among multiple photons from parametric down-conversion. It presents applications of the principle of quantum interference to multi-photon systems. The book also details continuous variable entanglement and various types of multi-photon interference effects.

Liberating Sociology: From Newtonian Toward Quantum Imaginations: Volume 1: Unriddling the Quantum Enigma

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Publisher : Ahead Publishing House (imprint: Okcir Press)
ISBN 13 : 164098013X
Total Pages : 1000 pages
Book Rating : 4.6/5 (49 download)

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Book Synopsis Liberating Sociology: From Newtonian Toward Quantum Imaginations: Volume 1: Unriddling the Quantum Enigma by : Mohammad H. Tamdgidi

Download or read book Liberating Sociology: From Newtonian Toward Quantum Imaginations: Volume 1: Unriddling the Quantum Enigma written by Mohammad H. Tamdgidi and published by Ahead Publishing House (imprint: Okcir Press). This book was released on 2020-01-20 with total page 1000 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this major new study in the sociology of scientific knowledge, social theorist Mohammad H. Tamdgidi reports having unriddled the so-called ‘quantum enigma.’ This book opens the lid of the Schrödinger’s Cat box of the ‘quantum enigma’ after decades and finds something both odd and familiar: Not only the cat is both alive and dead, it has morphed into an elephant in the room in whose interpretation Einstein, Bohr, Bohm, and others were each both right and wrong because the enigma has acquired both localized and spread-out features whose unriddling requires both physics and sociology amid both transdisciplinary and transcultural contexts. The book offers, in a transdisciplinary and transcultural sociology of self-knowledge framework, a relativistic interpretation to advance a liberating quantum sociology. Deeper methodological grounding to further advance the sociological imagination requires investigating whether and how relativistic and quantum scientific revolutions can induce a liberating reinvention of sociology in favor of creative research and a just global society. This, however, necessarily leads us to confront an elephant in the room, the ‘quantum enigma.’ In Unriddling the Quantum Enigma, the first volume of the series commonly titled Liberating Sociology: From Newtonian toward Quantum Imaginations, sociologist Mohammad H. Tamdgidi argues that unriddling the ‘quantum enigma’ depends on whether and how we succeed in dehabituating ourselves in favor of unified relativistic and quantum visions from the historically and ideologically inherited, classical Newtonian modes of imagining reality that have subconsciously persisted in the ways we have gone about posing and interpreting (or not) the enigma itself for more than a century. Once this veil is lifted and the enigma unriddled, he argues, it becomes possible to reinterpret the relativistic and quantum ways of imagining reality (including social reality) in terms of a unified, nonreductive, creative dialectic of part and whole that fosters quantum sociological imaginations, methods, theories, and practices favoring liberating and just social outcomes. The essays in this volume develop a set of relativistic interpretive solutions to the quantum enigma. Following a survey of relevant studies, and an introduction to the transdisciplinary and transcultural sociology of self-knowledge framing the study, overviews of Newtonianism, relativity and quantum scientific revolutions, the quantum enigma, and its main interpretations to date are offered. They are followed by a study of the notion of the “wave-particle duality of light” and the various experiments associated with the quantum enigma in order to arrive at a relativistic interpretation of the enigma, one that is shown to be capable of critically cohering other offered interpretations. The book concludes with a heuristic presentation of the ontology, epistemology, and methodology of what Tamdgidi calls the creative dialectics of reality. The volume essays involve critical, comparative/integrative reflections on the relevant works of founding and contemporary scientists and scholars in the field. This study is the first in the monograph series “Tayyebeh Series in East-West Research and Translation” of Human Architecture: Journal of the Sociology of Self-Knowledge (XIII, 2020), published by OKCIR: Omar Khayyam Center for Integrative Research in Utopia, Mysticism, and Science (Utopystics). OKCIR is dedicated to exploring, in a simultaneously world-historical and self-reflective framework, the human search for a just global society. It aims to develop new conceptual (methodological, theoretical, historical), practical, pedagogical, inspirational and disseminative structures of knowledge whereby the individual can radically understand and determine how world-history and her/his selves constitute one another. Reviews “Mohammad H. Tamdgidi’s Liberating Sociology: From Newtonian Toward Quantum Imaginations, Volume 1, Unriddling the Quantum Enigma hits the proverbial nail on the head of an ongoing problem not only in sociology but also much social science—namely, many practitioners’ allegiance, consciously or otherwise, to persisting conceptions of ‘science’ that get in the way of scientific and other forms of theoretical advancement. Newtonianism has achieved the status of an idol and its methodology a fetish, the consequence of which is an ongoing failure to think through important problems of uncertainty, indeterminacy, multivariation, multidisciplinarity, and false dilemmas of individual agency versus structure, among many others. Tamdgidi has done great service to social thought by bringing to the fore this problem of disciplinary decadence and offering, in effect, a call for its teleological suspension—thinking beyond disciplinarity—through drawing upon and communicating with the resources of quantum theory not as a fetish but instead as an opening for other possibilities of social, including human, understanding. The implications are far-reaching as they offer, as the main title attests, liberating sociology from persistent epistemic shackles and thus many disciplines and fields connected to things ‘social.’ This is exciting work. A triumph! The reader is left with enthusiasm for the second volume and theorists of many kinds with proverbial work to be done.” — Professor Lewis R. Gordon, Honorary President of the Global Center for Advanced Studies and author of Disciplinary Decadence: Living Thought in Trying Times (Routledge/Paradigm, 2006), and Freedom, Justice, and Decolonization (Routledge, forthcoming 2020) "Social sciences are still using metatheoretical models of science based on 19th century newtonian concepts of "time and space". Mohammad H. Tamdgidi has produced a 'tour de force' in social theory leaving behind the old newtonian worldview that still informs the social sciences towards a 21st century non-dualistic, non-reductionist, transcultural, transdisciplinary, post-Einsteinian quantum concept of TimeSpace. Tamdgidi goes beyond previous efforts done by titans of social theory such as Immanuel Wallerstein and Kyriakos Kontopoulos. This book is a quantum leap in the social sciences at large. Tamdgidi decolonizes the social sciences away from its Eurocentric colonial foundations bringing it closer not only to contemporary natural sciences but also to its convergence with the old Eastern philosophical and mystical worldviews. This book is a masterpiece in social theory for a 21st century decolonial social science. A must read!" — Professor Ramon Grosfoguel, University of California at Berkeley​​​​​​​ "Tamdgidi’s Liberating Sociology succeeds in adding physical structures to the breadth of the world-changing vision of C. Wright Mills, the man who mentored me at Columbia. Relativity theory and quantum mechanics can help us to understand the human universe no less than the physical universe. Just as my Creating Life Before Death challenges bureaucracy’s conformist orientation, so does Liberating Sociology“liberate the infinite possibilities inherent in us.” Given our isolation in the Coronavirus era, we have time to follow Tamdgidi in his journey into the depth of inner space, where few men have gone before. It is there that we can gain emotional strength, just as Churchill, Roosevelt and Mandela empowered themselves. That personal development was needed to address not only their own personal problems, but also the mammoth problems of their societies. We must learn to do the same." — Bernard Phillips, Emeritus Sociology Professor, Boston University

Single-Photon Generation and Detection

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Publisher : Academic Press
ISBN 13 : 0123876966
Total Pages : 593 pages
Book Rating : 4.1/5 (238 download)

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Book Synopsis Single-Photon Generation and Detection by :

Download or read book Single-Photon Generation and Detection written by and published by Academic Press. This book was released on 2013-11-29 with total page 593 pages. Available in PDF, EPUB and Kindle. Book excerpt: Single-photon generation and detection is at the forefront of modern optical physics research. This book is intended to provide a comprehensive overview of the current status of single-photon techniques and research methods in the spectral region from the visible to the infrared. The use of single photons, produced on demand with well-defined quantum properties, offers an unprecedented set of capabilities that are central to the new area of quantum information and are of revolutionary importance in areas that range from the traditional, such as high sensitivity detection for astronomy, remote sensing, and medical diagnostics, to the exotic, such as secretive surveillance and very long communication links for data transmission on interplanetary missions. The goal of this volume is to provide researchers with a comprehensive overview of the technology and techniques that are available to enable them to better design an experimental plan for its intended purpose. The book will be broken into chapters focused specifically on the development and capabilities of the available detectors and sources to allow a comparative understanding to be developed by the reader along with and idea of how the field is progressing and what can be expected in the near future. Along with this technology, we will include chapters devoted to the applications of this technology, which is in fact much of the driver for its development. This is set to become the go-to reference for this field. Covers all the basic aspects needed to perform single-photon experiments and serves as the first reference to any newcomer who would like to produce an experimental design that incorporates the latest techniques Provides a comprehensive overview of the current status of single-photon techniques and research methods in the spectral region from the visible to the infrared, thus giving broad background that should enable newcomers to the field to make rapid progress in gaining proficiency Written by leading experts in the field, among which, the leading Editor is recognized as having laid down the roadmap, thus providing the reader with an authenticated and reliable source

An Introduction to Quantum Optics

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Publisher : Taylor & Francis
ISBN 13 : 1439884625
Total Pages : 581 pages
Book Rating : 4.4/5 (398 download)

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Book Synopsis An Introduction to Quantum Optics by : Yanhua Shih

Download or read book An Introduction to Quantum Optics written by Yanhua Shih and published by Taylor & Francis. This book was released on 2014-04-09 with total page 581 pages. Available in PDF, EPUB and Kindle. Book excerpt: Authored by a highly regarded international researcher and pioneer in the field, An Introduction to Quantum Optics: Photon and Biphoton Physics is a straightforward overview of basic principles and experimental evidence for the quantum theory of light. This book introduces and analyzes some of the most exciting experimental research to date in the field of quantum optics and quantum information, helping readers understand the revolutionary changes occurring in optical science. Paints a picture of light in terms of general quantum interference, to reflect the physical truth behind all optical observations Unlike most traditional books on the subject, this one introduces fundamental classical and quantum concepts and measurement techniques naturally and gradually as it explores the process of analyzing typical experimental observations. Separating itself from other books with this uncommon focus on the experimental part of analysis, this volume: Provides a general overview of the optical coherence of light without quantization Introduces concepts and tools of field quantization and quantum optics based on the principles and rules of quantum mechanics Analyzes similarities and differences between classical and quantum coherence Concentrates on key research topics in quantum optics Explains photon and biphoton physics by examining the devices and experimental procedures used to test theories This book is basic enough for students, but it also covers a broad range of higher-level concepts that will benefit scientists and other professionals seeking to enhance their understanding of practical and theoretical aspects and new experimental methods of measurement. This material summarizes exciting developments and observations and then helps readers of all levels apply presented concepts and tools to summarize, analyze, and resolve quantum optical problems in their own work. It is a great aid to improve methods of discovering new physics and better understand and apply nontraditional concepts and interpretations in both new and historical experimental discoveries.

Higher Order Photon Transitions in H-like and He-like Ions

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Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (683 download)

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Book Synopsis Higher Order Photon Transitions in H-like and He-like Ions by :

Download or read book Higher Order Photon Transitions in H-like and He-like Ions written by and published by . This book was released on 1999 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: Higher order photon transitions such as M1, M2 and two-photon decay are conveniently studied using highly-charged electron ions. Here we discuss two examples from recent experiments which were done using the ATLAS facility at Argonne National Laboratory. The first is a test of Relativistic Quantum Mechanics involving a precision measurement of the spectral shape of the two-photon decay of the 1s2s1S0 state in He-like nickel and the second is a test of the theory of damping in quantum mechanics involving observation of E1-M1 interference in the electric field quenching of metastable H-like ions.

Introductory Quantum Optics

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Publisher : Cambridge University Press
ISBN 13 : 9780521527354
Total Pages : 338 pages
Book Rating : 4.5/5 (273 download)

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Book Synopsis Introductory Quantum Optics by : Christopher Gerry

Download or read book Introductory Quantum Optics written by Christopher Gerry and published by Cambridge University Press. This book was released on 2005 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt: Publisher Description

Introductory Quantum Optics

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Publisher : Cambridge University Press
ISBN 13 : 1009463616
Total Pages : 432 pages
Book Rating : 4.0/5 (94 download)

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Book Synopsis Introductory Quantum Optics by : Christopher C. Gerry

Download or read book Introductory Quantum Optics written by Christopher C. Gerry and published by Cambridge University Press. This book was released on 2023-11-30 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: This established textbook provides an accessible but comprehensive introduction to the quantum nature of light and its interaction with matter. The field of quantum optics is covered with clarity and depth, from the underlying theoretical framework of field quantization, atom–field interactions, and quantum coherence theory, to important and modern applications at the forefront of current research such as quantum interferometry, squeezed light, quantum entanglement, cavity quantum electrodynamics, laser-cooled trapped ions, and quantum information processing. The text is suitable for advanced undergraduate and graduate students and would be an ideal main text for a course on quantum optics. This long-awaited second edition builds upon the success of the first edition, including many new developments in the field, particularly in the area of quantum state engineering. Additional homework problems have been added, and content from the first edition has been updated and clarified throughout.

Scientific and Technical Aerospace Reports

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Publisher :
ISBN 13 :
Total Pages : 704 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Scientific and Technical Aerospace Reports by :

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Methods in Theoretical Quantum Optics

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Publisher : Oxford University Press
ISBN 13 : 9780198563617
Total Pages : 302 pages
Book Rating : 4.5/5 (636 download)

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Book Synopsis Methods in Theoretical Quantum Optics by : Stephen Barnett

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.

Quantum Coherence in Solid State Systems

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Publisher : IOS Press
ISBN 13 : 1607500396
Total Pages : 583 pages
Book Rating : 4.6/5 (75 download)

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Book Synopsis Quantum Coherence in Solid State Systems by : Benoît Deveaud

Download or read book Quantum Coherence in Solid State Systems written by Benoît Deveaud and published by IOS Press. This book was released on 2009 with total page 583 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This volume gives an overview of the manifestations of quantum coherence in different solid state systems, including semiconductor confined systems, magnetic systems, crystals and superconductors. Besides being of paramount importance in fundamental physics, the study of quantum coherence furnishes the starting point for important applications like quantum computing or secure data transmission. The coherent effects discussed mainly involve elementary excitations in solids like polaritons, excitons, magnons, macroscopic quantities like superconductor currents and electron spins. Also, several new aspects of the physics of quasi-particles are understood and discussed in this context. Due to the variety of systems in which quantum coherence may be observed, solid state systems are the natural candidates for applications that rely on coherence, for example quantum computer." --Book Jacket.

Complexity and Control in Quantum Photonics

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Publisher : Springer
ISBN 13 : 3319215183
Total Pages : 222 pages
Book Rating : 4.3/5 (192 download)

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Book Synopsis Complexity and Control in Quantum Photonics by : Peter Shadbolt

Download or read book Complexity and Control in Quantum Photonics written by Peter Shadbolt and published by Springer. This book was released on 2015-09-22 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work explores the scope and flexibility afforded by integrated quantum photonics, both in terms of practical problem-solving, and for the pursuit of fundamental science. The author demonstrates and fully characterizes a two-qubit quantum photonic chip, capable of arbitrary two-qubit state preparation. Making use of the unprecedented degree of reconfigurability afforded by this device, a novel variation on Wheeler’s delayed choice experiment is implemented, and a new technique to obtain nonlocal statistics without a shared reference frame is tested. Also presented is a new algorithm for quantum chemistry, simulating the helium hydride ion. Finally, multiphoton quantum interference in a large Hilbert space is demonstrated, and its implications for computational complexity are examined.

Official Gazette of the United States Patent and Trademark Office

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Publisher :
ISBN 13 :
Total Pages : 1466 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis Official Gazette of the United States Patent and Trademark Office by :

Download or read book Official Gazette of the United States Patent and Trademark Office written by and published by . This book was released on 2002 with total page 1466 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Light-Matter Interactions Towards the Nanoscale

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Publisher : Springer Nature
ISBN 13 : 9402421386
Total Pages : 348 pages
Book Rating : 4.4/5 (24 download)

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Book Synopsis Light-Matter Interactions Towards the Nanoscale by : Maura Cesaria

Download or read book Light-Matter Interactions Towards the Nanoscale written by Maura Cesaria and published by Springer Nature. This book was released on 2022-05-14 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: The investigation of light-matter interactions in materials, especially those on the nanoscale, represents perhaps the most promising avenue for scientific progress in the fields of photonics and plasmonics. This book examines a variety of topics, starting from fundamental principles, leading to the current state of the art research. For example, this volume includes a chapter on the sensing of biological molecules with optical resonators (microspheres) combined with plasmonic systems, where the response this system are described in a fundamental and elegant manner using coupled mode theory. Symmetry plays a major role in the book. One chapter on time reversal symmetry in electromagnetic theory describes how to control the properties of light (e.g. scattering and directionality of the flow of light) in materials with certain topological invariants. Another chapter where symmetry is prominent reformulates, using a gentle and pedagogical approach, Maxwell’s Equations into a new set of fields that reveal a “handedness” symmetry in electromagnetic theory, which can be applied to photonic systems in, for example, the sensing of chiral molecules and understanding the conditions for zero reflection. Also, for students and researchers starting in the field of nanoplasmonics, the book includes a tutorial on the finite element time domain simulation of nanoplasmonic systems. Other topics include photonic systems for quantum computing, nanoplasmonics, and optical properties of nano and bulk materials. The authors take a pedagogical approach to their topic, making the book an excellent reference for graduate students and scientists starting in the fields of photonics or plasmonics.