Quantum Enhanced Phase Estimation In Optical Interferometry

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Quantum Enhanced Phase Estimation In Optical Interferometry
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Author : Jaspreet Sahota
language : en
Publisher:
Release Date : 2017
Quantum Enhanced Phase Estimation In Optical Interferometry written by Jaspreet Sahota and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with categories.
Quantum-enhanced interferometers utilize non-classical states of light in order to surpass the limitations imposed by classical physics on phase measurement sensitivity and resolution. We review key scientific developments in this growing field of research and derive fundamental metrology concepts, namely the Cram\'{e}r-Rao bound and the Fisher information, which are used to analyze the metrological performance of quantum states of light. We propose a supersensitive quantum interferometry protocol that can be amplified to the macroscopic realm (i.e. the mean number of photons of the probe state can reach approximately 100,000 photons) using contemporary techniques of spontaneous parametric down conversion. The parity measurement on the output field asymptotically saturates the quantum Cram\'{e}r-Rao bound, which scales like the Heisenberg limit. We uncover the role of photon statistics on phase sensitivity and rule out the necessity of mode entanglement for quantum-enhanced interferometry. Based on these insights we outline a practical metrology technique (independent of mode entanglement) that measures a phase delay of a single-mode anti-squeezing operation. This scheme can also be scaled macroscopically using contemporary techniques and is shown to significantly surpass the shot-noise limit (SNL) in the presence of realistic losses. Finally, the physical resources that enable quantum-enhanced interferometry is studied by analyzing the quantum Fisher information (QFI) using the first quantization and the second quantization formalisms of quantum mechanics. It is shown that increasing the intra-mode correlations of an interferometer (as quantified by the second order Glauber coherence function) can be conducive to attaining a quantum advantage in phase estimation; whereas, introducing mode entanglement can reduce phase sensitivity. Using the first quantization description, we derive a formula for the QFI that shows explicitly how the Heisenberg scaling term depends on particle entanglement.
A Guide To Experiments In Quantum Optics
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Author : Hans-A. Bachor
language : en
Publisher: John Wiley & Sons
Release Date : 2019-07-02
A Guide To Experiments In Quantum Optics written by Hans-A. Bachor and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-07-02 with Science categories.
Provides fully updated coverage of new experiments in quantum optics This fully revised and expanded edition of a well-established textbook on experiments on quantum optics covers new concepts, results, procedures, and developments in state-of-the-art experiments. It starts with the basic building blocks and ideas of quantum optics, then moves on to detailed procedures and new techniques for each experiment. Focusing on metrology, communications, and quantum logic, this new edition also places more emphasis on single photon technology and hybrid detection. In addition, it offers end-of-chapter summaries and full problem sets throughout. Beginning with an introduction to the subject, A Guide to Experiments in Quantum Optics, 3rd Edition presents readers with chapters on classical models of light, photons, quantum models of light, as well as basic optical components. It goes on to give readers full coverage of lasers and amplifiers, and examines numerous photodetection techniques being used today. Other chapters examine quantum noise, squeezing experiments, the application of squeezed light, and fundamental tests of quantum mechanics. The book finishes with a section on quantum information before summarizing of the contents and offering an outlook on the future of the field. -Provides all new updates to the field of quantum optics, covering the building blocks, models and concepts, latest results, detailed procedures, and modern experiments -Places emphasis on three major goals: metrology, communications, and quantum logic -Presents fundamental tests of quantum mechanics (Schrodinger Kitten, multimode entanglement, photon systems as quantum emulators), and introduces the density function -Includes new trends and technologies in quantum optics and photodetection, new results in sensing and metrology, and more coverage of quantum gates and logic, cluster states, waveguides for multimodes, discord and other quantum measures, and quantum control -Offers end of chapter summaries and problem sets as new features A Guide to Experiments in Quantum Optics, 3rd Edition is an ideal book for professionals, and graduate and upper level students in physics and engineering science.
Ultracold Atoms For Foundational Tests Of Quantum Mechanics
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Author : Robert J. Lewis-Swan
language : en
Publisher: Springer
Release Date : 2016-06-25
Ultracold Atoms For Foundational Tests Of Quantum Mechanics written by Robert J. Lewis-Swan and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-06-25 with Science categories.
This thesis presents a theoretical investigation into the creation and exploitation of quantum correlations and entanglement among ultracold atoms. Specifically, it focuses on these non-classical effects in two contexts: (i) tests of local realism with massive particles, e.g., violations of a Bell inequality and the EPR paradox, and (ii) realization of quantum technology by exploitation of entanglement, for example quantum-enhanced metrology. In particular, the work presented in this thesis emphasizes the possibility of demonstrating and characterizing entanglement in realistic experiments, beyond the simple “toy-models” often discussed in the literature. The importance and relevance of this thesis are reflected in a spate of recent publications regarding experimental demonstrations of the atomic Hong-Ou-Mandel effect, observation of EPR entanglement with massive particles and a demonstration of an atomic SU(1,1) interferometer. With a separate chapter on each of these systems, this thesis is at the forefront of current research in ultracold atomic physics.
Progress In Optics
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Author :
language : en
Publisher: Academic Press
Release Date : 2015-06-14
Progress In Optics written by and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-06-14 with Science categories.
The Progress in Optics series contains more than 300 review articles by distinguished research workers, which have become permanent records for many important developments, helping optical scientists and optical engineers stay abreast of their fields. - Comprehensive, in-depth reviews - Edited by the leading authority in the field
Nano Optics
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Author : Sabu Thomas
language : en
Publisher: Elsevier
Release Date : 2020-07-06
Nano Optics written by Sabu Thomas and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-07-06 with Technology & Engineering categories.
Nano-Optics: Fundamentals, Experimental Methods, and Applications offers insights into the fundamentals and industrial applications of nanoscale light-emitting materials and their composites. This book serves as a reference, offering an overview of existing research, with a particular focus on industrial applications. Nano-optics is the branch of nanoscience and nanotechnology that deals with interaction of light with nanoscale objects. This book explores the materials, structure, manufacturing techniques, and industrial applications of nano-optics. The applications discussed include healthcare, communication, astronomy, and satellites. - Explains the major manufacturing techniques for light-emitting nanoscale materials - Discusses how nanoscale optical materials are being used in a range of industrial applications - Assesses the challenges of using nano-optics in a mass-production context
Optical Imaging And Sensing
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Author : Jiang Wu
language : en
Publisher: John Wiley & Sons
Release Date : 2023-08-07
Optical Imaging And Sensing written by Jiang Wu and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-08-07 with Technology & Engineering categories.
Optical Imaging and Sensing Understand the future of optical imaging with this cutting-edge guide Optoelectronic devices for imaging and sensing are among the backbones of modern technology. Facilitating the mutual conversion of optical and electrical signals, they have applications from telecommunications to molecular spectroscopy, and their incorporation into photon-involved technologies is only growing. The rapid development of this field makes the need for a fully up-to-date introduction all the more critical. Optical Imaging and Sensing meets this need with a comprehensive guide to the novel materials and devices employed in optical imaging and sensing. Given the current revolution in new imaging materials, an introduction that fully incorporates the latest research is an indispensable tool for scientists and engineers in a huge range of fields. The technologies surveyed here promise to transform public security, 5G and next-generation wireless communication, clinical imaging, and many more. Optical Imaging and Sensing Readers will also find: Detailed discussion of materials including semimetallic graphene, semiconducting black phosphorous, and many more Discussion of devices from infrared photodetectors to nonlinear interferometers A thorough look forward to the future of the field Optical Imaging and Sensing is a useful reference for materials scientists, spectroscopists, semiconductor physicists, and engineers working in any field or industry involving optical imaging or sensing technology.
Quantum Photonics
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Author : Bahaa E. A. Saleh
language : en
Publisher: Springer Nature
Release Date : 2025-06-02
Quantum Photonics written by Bahaa E. A. Saleh and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-06-02 with Science categories.
This book introduces classical modal optics and discrete quantum systems using a common mathematical approach based on linear vector spaces. It explores the three key elements of photonic quantum information: the optical bimode, the qubit, and the photon. Both the bimode and qubit are represented as vectors in a two-dimensional linear vector space, but the qubit distinguishes itself through unique properties linked to quantum measurement. While optical bimodes can be mutually coupled, qubits can be entangled, enabling revolutionary quantum information technologies. A single photon occupying a bimode encodes a qubit, facilitating cryptographic protocols for secure communication. When occupying two bimodes, a photon encodes two qubits, enabling local gates. A photon distributed across spatial modes encodes an image. Entangled photon pairs form two qubits, enabling quantum-state teleportation and quantum networks. Additionally, two photons with spatiotemporal modal entanglement form a biphoton, useful for quantum sensing and imaging with sensitivity surpassing classical limits. With numerous illustrations, examples, and exercises, the book is ideal for classroom teaching or self-study at the upper-level undergraduate or beginning graduate level. It also serves as an accessible introduction for readers interested in the foundational principles driving the second quantum revolution and its diverse applications in communication, computing, and metrology.
Optical Interferometry 2e
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Author : P. Hariharan
language : en
Publisher: Academic Press
Release Date : 2003-09-22
Optical Interferometry 2e written by P. Hariharan and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-09-22 with Science categories.
Nanotechnology, sensor and measurement industries depend on these advances in optical interferometry for accuracy and profitability.
Atom Interferometry
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Author : Guglielmo M. Tino
language : en
Publisher:
Release Date : 2014
Atom Interferometry written by Guglielmo M. Tino and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with Atoms categories.
Since atom interferometers were first realized about 20 years ago, atom interferometry has had many applications in basic and applied science, and has been used to measure gravity acceleration, rotations and fundamental physical quantities with unprecedented precision. Future applications range from tests of general relativity to the development of next-generation inertial navigation systems. This book presents the lectures and notes from the Enrico Fermi school "Atom Interferometry", held in Varenna, Italy, in July 2013. The aim of the school was to cover basic experimental and theoretical aspects and to provide an updated review of current activities in the field as well as main achievements, open issues and future prospects. Topics covered include theoretical background and experimental schemes for atom interferometry; ultracold atoms and atom optics; comparison of atom, light, electron and neutron interferometers and their applications; high precision measurements with atom interferometry and their application to tests of fundamental physics, gravitation, inertial measurements and geophysics; measurement of fundamental constants; interferometry with quantum degenerate gases; matter wave interferometry beyond classical limits; large area interferometers; atom interferometry on chips; and interferometry with molecules.The book will be a valuable source of reference for students, newcomers and experts in the field of atom interferometry.
Quantum Detection And Estimation Theory
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Author : Helstrom
language : en
Publisher: Academic Press
Release Date : 1976-07-06
Quantum Detection And Estimation Theory written by Helstrom and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976-07-06 with Computers categories.
Quantum Detection and Estimation Theory