Multi Photon Quantum Interference
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Multi Photon Quantum Interference
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Author : Zhe-Yu Jeff Ou
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-06-08
Multi Photon Quantum Interference written by Zhe-Yu Jeff Ou and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-06-08 with Technology & Engineering categories.
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.
Far From Equilibrium Phase Transitions
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Author : Luis Garrido
language : en
Publisher: Springer
Release Date : 1988-12-21
Far From Equilibrium Phase Transitions written by Luis Garrido and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988-12-21 with Science categories.
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 Information Science And Technology In Integrated Optics
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Author : Jonathan C.F. Matthews
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-10-05
Multi Photon Quantum Information Science And Technology In Integrated Optics written by Jonathan C.F. Matthews and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-10-05 with Science categories.
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.
Quantum Sensing Schemes Based On Multi Photon Interference
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Author : Danilo Triggiani
language : en
Publisher:
Release Date : 2021
Quantum Sensing Schemes Based On Multi Photon Interference written by Danilo Triggiani and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021 with categories.
An Introduction To Quantum Optics
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Author : Yanhua Shih
language : en
Publisher: CRC Press
Release Date : 2020-12-16
An Introduction To Quantum Optics written by Yanhua Shih and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-12-16 with Science categories.
This book offers a complete revision for its introduction to the quantum theory of light, including notable developments as well as improvements in presentation of basic theory and concepts, with continued emphasis on experimental aspects. The author provides a thorough overview on basic methods of classical and quantum mechanical measurements in quantum optics, enabling readers to analyze, summarize, and resolve quantum optical problems. The broad coverage of concepts and tools and its practical, experimental emphasis set it apart from other available resources. New discussions of timely topics such as the concept of the photon and distinguishability bring the entire contents up to date. Key Features: Provides a complete update of a classic textbook for the field. Features many new topics, including optical coherence, coherent and incoherent imaging, turbulence-free interferometry. Includes new chapters for intensity fluctuation correlation and thermal light ghost imaging, and biphoton imaging. Offers a complete overhaul of the introductory theory to give a more coherent and thorough treatment. Expands on discussions of optical tests of quantum theory, Popper’s experiment, Einstein’s locality questions, and the delayed choice quantum eraser.
High Order Interference Of Photons In Thermal State
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Author : Tao Peng
language : en
Publisher:
Release Date : 2015
High Order Interference Of Photons In Thermal State written by Tao Peng and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.
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.
Quantum Optics For Experimentalists
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Author : Zheyu Jeff Ou
language : en
Publisher: World Scientific Publishing Company
Release Date : 2017-05-30
Quantum Optics For Experimentalists written by Zheyu Jeff Ou and has been published by World Scientific Publishing Company this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-05-30 with Science categories.
This book on quantum optics is from the point of view of an experimentalist. It approaches the theory of quantum optics with the language of optical modes of classical wave theory, with which experimentalists are most familiar. This approach makes the transition easy from classical optics to quantum optics. The emphasis on the multimode description of an optical system is more realistic than in most quantum optics textbooks. After the theoretical part, the book goes directly to the two most basic experimental techniques in quantum optics and establishes the connection between the experiments and the theory. The applications include some key quantum optics experiments, and a few more current interests that deal with quantum correlation and entanglement, quantum noise in phase measurement and amplification, and quantum state measurement. Request Inspection Copy Contents: Theoretical Foundations of Quantum Optics:Historical Development of Quantum Optics and A Brief IntroductionMode Theory of Optical Fields and Their QuantizationQuantum States of Single-Mode FieldsQuantum States of Multi-Mode FieldsTheory of Photo-detection and Quantum Theory of CoherenceGeneration and Transformation of Quantum StatesExperimental Techniques in Quantum Optics and Their Applications:Experimental Techniques of Quantum Optics I: Photon Counting TechniqueApplications of Photon Counting Techniques: Multi-Photon Interference and EntanglementExperimental Techniques of Quantum Optics II: Detection of Continuous Photo-CurrentsApplications of Homodyne Detection Technique: Quantum Measurement of Continuous VariablesQuantum Noise in Phase MeasurementAppendices:Derivation of an Explicit Expression for Û of a Lossless Beam SplitterEvaluation of the Two Sums in Eq. (8.100) Readership: Advanced undergraduates, graduate students and researchers in quantum optics.
Quantum Interference And Coherence
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Author : Zbigniew Ficek
language : en
Publisher: Springer Science & Business Media
Release Date : 2005
Quantum Interference And Coherence written by Zbigniew Ficek and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Science categories.
This book brings together and discusses for the first time detailed analyses of the experiments with trapped ions, experiments on quantum beats, coherent population trapping, electromagnetically induced transparency (EIT), electromagnetically induced absorption, creation of dark-states polaritons, subluminal and superluminal light, realization of a Fock state, and interference experiments in atom optics on atom grating, momentum distribution, and atom tunneling. This book is unique in many respects and will fill a gap in the literature.
Multi Photon Entanglement From Parametric Downconversion
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Author : George Khoury
language : en
Publisher:
Release Date : 2006
Multi Photon Entanglement From Parametric Downconversion written by George Khoury and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.
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.
Complexity And Control In Quantum Photonics
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Author : Peter Shadbolt
language : en
Publisher: Springer
Release Date : 2015-09-22
Complexity And Control In Quantum Photonics written by Peter Shadbolt and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-09-22 with Science categories.
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.