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Author : David Höckel
Publisher :
ISBN 13 :
Total Pages : 131 pages
Book Rating : 4.:/5 (837 download)
Download or read book Narrow-band Single Photons as Carriers of Quantum Information written by David Höckel and published by . This book was released on 2010 with total page 131 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Matthias Scholz
Publisher : Logos Verlag Berlin GmbH
ISBN 13 : 3832522204
Total Pages : 180 pages
Book Rating : 4.8/5 (325 download)
Download or read book New Light Sources for Quantum Information Processing -- Single Photons from Single Quantum Dots and Cavity-Enhanced Parametric Down-Conversion written by Matthias Scholz and published by Logos Verlag Berlin GmbH. This book was released on 2009 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: The outstanding research efforts in quantum information processing over the past two decades reflect the promise this field of physics provides for practical applications in information science as well as for new approaches towards a better understanding of fundamental questions in quantum mechanics. This thesis focuses on the photon as a principal resource to perform quantum information tasks and on schemes to imprint quantum bits onto its various degrees of freedom. Its weak coupling to the environment makes the photon an ideal carrier to securely transmit information by quantum cryptographic protocols. Moreover, efficient implementations of quantum computing using solely linear optics have been proven. Unfortunately, scalability is not easily achieved by a purely photonic approach since the generation of indistinguishable single photons from multiple emitters remains a difficult task. Thus, proposals for more complex quantum networks suggest an architecture with single photons as information carriers between atomic ensembles that act as storage and processing nodes. Computations including a limited number of qubits, however, may be performed by the linear optics scheme. The thesis starts with the generation and characterization of single-photon states, using a source based on a single optically pumped quantum dot. The capability of these states to implement a quantum algorithm using linear optics and single-photon interference is experimentally demonstrated for the first time. Error correction makes the interferometric setup robust against phase-noise. After successful realization of this proof-of-principle experiment, attention is drawn to the need of plug-and-play single-photon sources. Especially quantum key distribution, the most advanced quantum information technology to date which has even found its way into commercial devices, requires compact and low-cost non-classical light sources.Therefore, a single-photon source based on electrically pumped quantum dots is presented that exhibits unmatched spectral purity and single-photon statistics. Results towards the realization of quantum networks are presented in the following chapters, covering the generation of narrow-band single photons which can efficiently couple to atomic resonances. Photons with a spectral width of less than 3 MHz are created by ultra-bright cavity-enhanced spontaneous parametric down-conversion, and their quantum statistics is studied in detail. A setup for time-bin encoding is demonstrated, capable of imprinting quantum information onto these narrow-band single photons. This thesis concludes with slow-light experiments in atomic ensembles as a model system for atom-photon interaction on the single-photon level. The described experiments demonstrate striking features that make the single photon one of the most remarkable physical systems for the field of quantum information.
Author : Markus Rambach
Publisher : Springer
ISBN 13 : 3319971549
Total Pages : 154 pages
Book Rating : 4.3/5 (199 download)
Download or read book Narrowband Single Photons for Light-Matter Interfaces written by Markus Rambach and published by Springer. This book was released on 2018-08-28 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a step-by-step guide on how to construct a narrowband single photon source for the integration with atom-based memory systems. It combines the necessary theoretical background with crucial experimental methods and characterisations to form a complete handbook for readers at all academic levels. The future implementation of large quantum networks will require the hybridisation of photonic qubits for communication with quantum memories in the context of information storage. Such an interface requires carefully tailored single photons to ensure compatibility with the chosen memory. The source itself is remarkable for a number of reasons, including being the spectrally narrowest and brightest source of its kind; in addition, it offers a novel technique for frequency stabilisation in an optical cavity, together with exceptional portability. Starting with a thorough analysis of the current literature, this book derives the essential parameters needed to design the source, describes its individual components in detail, and closes with the characterisation of a single photon source.
Author : Bo Zhao
Publisher : Elsevier Inc. Chapters
ISBN 13 : 0128058137
Total Pages : 34 pages
Book Rating : 4.1/5 (28 download)
Download or read book Single-Photon Generation and Detection written by Bo Zhao and published by Elsevier Inc. Chapters. This book was released on 2013-11-29 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: We introduce the atomic-ensemble-based single-photon source. Thanks to the collective enhancement, It has the following advantages: it does not require strong coupling between light and matter, thanks to the collective enhancement; the generated narrow band single photons are storable, narrow-band, and highly controllable; and the single photons emitted from independent sources are pure and indistinguishable. In conjunction with a feedback circuit, the atomic-ensemble single-photon source can work in a deterministic way, where the production rate is significantly enhanced while low and good indistinguishability are preserved. The atomic-ensemble-based single-photon sources provide an essential tool for scalable quantum networks and linear-optical quantum computation.
Author :
Publisher : Academic Press
ISBN 13 : 0123876966
Total Pages : 593 pages
Book Rating : 4.1/5 (238 download)
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
Author : Andreas Christ
Publisher : Elsevier Inc. Chapters
ISBN 13 : 0128058102
Total Pages : 81 pages
Book Rating : 4.1/5 (28 download)
Download or read book Single-Photon Generation and Detection written by Andreas Christ and published by Elsevier Inc. Chapters. This book was released on 2013-11-29 with total page 81 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this chapter we review the process of parametric down-conversion (PDC) and discuss the different methods to use PDC as a heralded single-photon source. PDC is a non-linear optical process, where an incoming pump photon decays, under energy and momentum conservation, into a photon-pair. The creation of photons in pairs allows for the implementation of a single-photon source by detecting one photon (trigger) to herald the presence of its partner (signal). The engineering possibilities of PDC enable the generation of single-photons with high rates in a wide range of frequencies. This chapter is structured as follows: Section 11.2 describes the principles of PDC in non-linear media. We derive the quantum state of the generated photon-pairs, investigate the spectral purity and photon-number purity of the heralded signal photon and discuss the achievable single-photon generation rates. In section 11.3 we turn towards experimental realizations and introduce bulk crystal PDC. Section 11.4 elaborates on the use of periodic poling to engineer the PDC process. Finally, section 11.5 gives an overview over PDC in waveguides. A comparison of experimental data from various heralded singe-photon sources based on PDC is presented in section 11.6 with an overview of nonlinear materials suited for PDC given in section 11.7.
Author : Robert W. Boyd
Publisher : Springer
ISBN 13 : 3319984020
Total Pages : 646 pages
Book Rating : 4.3/5 (199 download)
Download or read book Quantum Photonics: Pioneering Advances and Emerging Applications written by Robert W. Boyd and published by Springer. This book was released on 2019-02-19 with total page 646 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book brings together reviews by internationally renowed experts on quantum optics and photonics. It describes novel experiments at the limit of single photons, and presents advances in this emerging research area. It also includes reprints and historical descriptions of some of the first pioneering experiments at a single-photon level and nonlinear optics, performed before the inception of lasers and modern light detectors, often with the human eye serving as a single-photon detector. The book comprises 19 chapters, 10 of which describe modern quantum photonics results, including single-photon sources, direct measurement of the photon's spatial wave function, nonlinear interactions and non-classical light, nanophotonics for room-temperature single-photon sources, time-multiplexed methods for optical quantum information processing, the role of photon statistics in visual perception, light-by-light coherent control using metamaterials, nonlinear nanoplasmonics, nonlinear polarization optics, and ultrafast nonlinear optics in the mid-infrared.
Author : Markus Rambach
Publisher :
ISBN 13 : 9783319971551
Total Pages : pages
Book Rating : 4.9/5 (715 download)
Download or read book Narrowband Single Photons for Light-matter Interfaces: 2 Photon Pair Filtering3.2.1 Mode-Cleaning Cavity; 3.2.2 Clustering Effect; 3.3 Electronics and Control; 3.3.1 Field-Programmable Gate Array; 3.3.2 Control Software; 3.3.3 Temperature Stabilisation; 3.4 Frequency Stabilisation; 3.4.1 Laser; 3.4.2 Cavities; 3.4.3 Atomic System; 3.5 Detectors; 3.5.1 Universal Photodetectors; 3.5.2 Single Photon Counting; 3.6 Experimental Setup; 3.6.1 Laser and Absolute Frequency Reference; 3.6.2 Conversion Setup; 3.6.3 Mode-Cleaning Setup; 3.6.4 Feedback Loops; References; 4 Single Photon Characterisation; 4.1 Classical Characterisation written by Markus Rambach and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: "This book provides a step-by-step guide on how to construct a narrowband single photon source for the integration with atom-based memory systems. It combines the necessary theoretical background with crucial experimental methods and characterisations to form a complete handbook for readers at all academic levels. The future implementation of large quantum networks will require the hybridisation of photonic qubits for communication with quantum memories in the context of information storage. Such an interface requires carefully tailored single photons to ensure compatibility with the chosen memory. The source itself is remarkable for a number of reasons, including being the spectrally narrowest and brightest source of its kind; in addition, it offers a novel technique for frequency stabilisation in an optical cavity, together with exceptional portability. Starting with a thorough analysis of the current literature, this book derives the essential parameters needed to design the source, describes its individual components in detail, and closes with the characterisation of a single photon source."--
Author : J.C. Bienfang
Publisher : Elsevier Inc. Chapters
ISBN 13 : 0128058005
Total Pages : 19 pages
Book Rating : 4.1/5 (28 download)
Download or read book Single-Photon Generation and Detection written by J.C. Bienfang and published by Elsevier Inc. Chapters. This book was released on 2013-11-29 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : David Fattal
Publisher :
ISBN 13 :
Total Pages : 98 pages
Book Rating : 4.:/5 (794 download)
Download or read book Single Photons for Quantum Information Processing written by David Fattal and published by . This book was released on 2005 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Zhiming M Wang
Publisher : Springer Science & Business Media
ISBN 13 : 0387741917
Total Pages : 470 pages
Book Rating : 4.3/5 (877 download)
Download or read book Self-Assembled Quantum Dots written by Zhiming M Wang and published by Springer Science & Business Media. This book was released on 2007-11-29 with total page 470 pages. Available in PDF, EPUB and Kindle. Book excerpt: This multidisciplinary book provides up-to-date coverage of carrier and spin dynamics and energy transfer and structural interaction among nanostructures. Coverage also includes current device applications such as quantum dot lasers and detectors, as well as future applications to quantum information processing. The book will serve as a reference for anyone working with or planning to work with quantum dots.
Author : V.D. Mahajan
Publisher : S. Chand Publishing
ISBN 13 : 9355019106
Total Pages : 352 pages
Book Rating : 4.3/5 (55 download)
Download or read book Advances of Mathematical, Physical and Chemical Sciences and Chemical Sciences Course 2 - APSCHE written by V.D. Mahajan and published by S. Chand Publishing. This book was released on with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book has been Conceptualized specifically for B.Sc. (Honours) according to the New Syllabus prescribed by Andhra Pradesh State Council of Higher Education (APSCHE). The book seamlessly amalgamates the realms of mathematics, physics and chemistry to offer a holistic view of the in connectedness of these sciences and their significance in solving real-world problems. The book is divided in Five Units that are further divided into the chapters. Unit One Advances in Basics Mathematics commences with an exploration of the methods of finding the equations of types of straight lines. It covers concepts such as slope and gradient of a line. The point slope form of a line, Reduction into the intercept form, Limits and Differentiation, Integration & Matrices. Unit Two Advances in Physics encounter Renewable Energy, Quantum Dots and Communication, Recent Advances in Biophysics and Medical Physics, Shape Memory Materials. Unit Three Advances in Chemistry covers the topics such as Computer Aided Drug Design (CADD) and Delivery, Nano sensors and Chemical Biology, Impact of Chemical Pollutants on Ecosystem and Human Health and Shape Memory Materials. Unit Four covers the Applications of Mathematics, Physics and Chemistry. Unit Five Advances of Computer Science covers the important topics such as Number System - Binary, Octal, Decimal, and Hexadecimal, Signals - Analog and Digital, Modem, Codec, Multiplexing, Transmission Media, Error Detection and Correction - Parity Check and CRC, and Networking Devices - Repeater, Hub, Bridge, Switch, Router, Gateway.
Author : Gernot Alber
Publisher : Springer
ISBN 13 : 3540446788
Total Pages : 227 pages
Book Rating : 4.5/5 (44 download)
Download or read book Quantum Information written by Gernot Alber and published by Springer. This book was released on 2003-07-01 with total page 227 pages. Available in PDF, EPUB and Kindle. Book excerpt: A self-contained introduction to the basic theoretical concepts, experimental techniques and recent advances in the fields of quantum communication, quantum information and quantum computation. The introductory and self-contained character of the contributions should make this book particularly attractive to students and active researchers in physics and computer science who want to become acquainted with the underlying basic ideas and recent advances in the rapidly evolving field of quantum information processing.
Author : Dimitris G. Angelakis
Publisher : IOS Press
ISBN 13 : 1586036114
Total Pages : 372 pages
Book Rating : 4.5/5 (86 download)
Download or read book Quantum Information Processing written by Dimitris G. Angelakis and published by IOS Press. This book was released on 2006 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: The knowledge that nature can be coherently controlled and manipulated at the quantum level was perceived as both a powerful stimulus and one of the greatest challenges facing experimental physics. Fortunately the exploration of quantum technology has many staging posts along the way, each of which will yield scientifically and technologically useful results and some of them are described in this volume.
Author : Ana Predojević
Publisher : Springer
ISBN 13 : 3319192310
Total Pages : 410 pages
Book Rating : 4.3/5 (191 download)
Download or read book Engineering the Atom-Photon Interaction written by Ana Predojević and published by Springer. This book was released on 2015-07-16 with total page 410 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a comprehensive view of the contemporary methods for quantum-light engineering. In particular, it addresses different technological branches and therefore allows the reader to quickly identify the best technology - application match. Non-classical light is a versatile tool, proven to be an intrinsic part of various quantum technologies. Its historical significance has made it the subject of many text books written both from theoretical and experimental point of view. This book takes another perspective by giving an insight to modern technologies used to generate and manipulate quantum light.
Author : Weiping Zhang
Publisher : Springer Nature
ISBN 13 : 9819984548
Total Pages : 230 pages
Book Rating : 4.8/5 (199 download)
Download or read book Special Topics in Quantum Optics written by Weiping Zhang and published by Springer Nature. This book was released on with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Peter Michler
Publisher : Springer
ISBN 13 : 3319563785
Total Pages : 457 pages
Book Rating : 4.3/5 (195 download)
Download or read book Quantum Dots for Quantum Information Technologies written by Peter Michler and published by Springer. This book was released on 2017-06-01 with total page 457 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book highlights the most recent developments in quantum dot spin physics and the generation of deterministic superior non-classical light states with quantum dots. In particular, it addresses single quantum dot spin manipulation, spin-photon entanglement and the generation of single-photon and entangled photon pair states with nearly ideal properties. The role of semiconductor microcavities, nanophotonic interfaces as well as quantum photonic integrated circuits is emphasized. The latest theoretical and experimental studies of phonon-dressed light matter interaction, single-dot lasing and resonance fluorescence in QD cavity systems are also provided. The book is written by the leading experts in the field.
