Towards A Spin Ensemble Quantum Memory For Superconducting Qubits

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Towards a Spin-Ensemble Quantum Memory for Superconducting Qubits

Author : Cécile Grèzes
Publisher : Springer
ISBN 13 : 3319215728
Total Pages : 240 pages
Book Rating : 4.3/5 (192 download)

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Book Synopsis Towards a Spin-Ensemble Quantum Memory for Superconducting Qubits by : Cécile Grèzes

Download or read book Towards a Spin-Ensemble Quantum Memory for Superconducting Qubits written by Cécile Grèzes and published by Springer. This book was released on 2015-08-19 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work describes theoretical and experimental advances towards the realization of a hybrid quantum processor in which the collective degrees of freedom of an ensemble of spins in a crystal are used as a multi-qubit register for superconducting qubits. A memory protocol made of write, read and reset operations is first presented, followed by the demonstration of building blocks of its implementation with NV center spins in diamond. Qubit states are written by resonant absorption of a microwave photon in the spin ensemble and read out of the memory on-demand by applying Hahn echo refocusing techniques to the spins. The reset step is implemented in between two successive write-read sequences using optical repumping of the spins.

Hybrid Quantum Systems

Author : Yoshiro Hirayama
Publisher : Springer Nature
ISBN 13 : 9811666792
Total Pages : 352 pages
Book Rating : 4.8/5 (116 download)

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Book Synopsis Hybrid Quantum Systems by : Yoshiro Hirayama

Download or read book Hybrid Quantum Systems written by Yoshiro Hirayama and published by Springer Nature. This book was released on 2022-01-06 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents state-of-the-art research on quantum hybridization, manipulation, and measurement in the context of hybrid quantum systems. It covers a broad range of experimental and theoretical topics relevant to quantum hybridization, manipulation, and measurement technologies, including a magnetic field sensor based on spin qubits in diamond NV centers, coherently coupled superconductor qubits, novel coherent couplings between electron and nuclear spin, photons and phonons, and coherent coupling of atoms and photons. Each topic is concisely described by an expert at the forefront of the field, helping readers quickly catch up on the latest advances in fundamental sciences and technologies of hybrid quantum systems, while also providing an essential overview.

Luminescent Nanomaterials

Author : Odireleng Martin Ntwaeaborwa
Publisher : CRC Press
ISBN 13 : 1000565408
Total Pages : 508 pages
Book Rating : 4.0/5 (5 download)

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Book Synopsis Luminescent Nanomaterials by : Odireleng Martin Ntwaeaborwa

Download or read book Luminescent Nanomaterials written by Odireleng Martin Ntwaeaborwa and published by CRC Press. This book was released on 2022-05-19 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent decades, luminescent nanomaterials have generated great interest in the scientific community due to their unique properties, which are different from those of their bulk counterparts, and their use in a wide variety of applications. Today, luminescent nanomaterials are used in a number of applications such as displays, solid-state lighting, solar cells, long afterglow, dosimetry, theft prevention, medical imaging, phototherapy, and quantum and gas sensing. This book presents cutting-edge research from experts in the field of synthesis and characterization of luminescent nanomaterials and their potential applications. It covers interesting topics in semiconductor physics, photochemistry, physical chemistry, materials science, and luminescence, and will be useful for beginners and advanced researchers interested in this field.

Circuit Cavity QED with Macroscopic Solid-State Spin Ensembles

Author : Stefan Putz
Publisher : Springer
ISBN 13 : 3319664476
Total Pages : 136 pages
Book Rating : 4.3/5 (196 download)

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Book Synopsis Circuit Cavity QED with Macroscopic Solid-State Spin Ensembles by : Stefan Putz

Download or read book Circuit Cavity QED with Macroscopic Solid-State Spin Ensembles written by Stefan Putz and published by Springer. This book was released on 2017-10-05 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis combines quantum electrical engineering with electron spin resonance, with an emphasis on unraveling emerging collective spin phenomena. The presented experiments, with first demonstrations of the cavity protection effect, spectral hole burning and bistability in microwave photonics, cover new ground in the field of hybrid quantum systems. The thesis starts at a basic level, explaining the nature of collective effects in great detail. It develops the concept of Dicke states spin-by-spin, and introduces it to circuit quantum electrodynamics (QED), applying it to a strongly coupled hybrid quantum system studied in a broad regime of several different scenarios. It also provides experimental demonstrations including strong coupling, Rabi oscillations, nonlinear dynamics, the cavity protection effect, spectral hole burning, amplitude bistability and spin echo spectroscopy.

Principles and Methods of Quantum Information Technologies

Author : Yoshihisa Yamamoto
Publisher : Springer
ISBN 13 : 4431557563
Total Pages : 615 pages
Book Rating : 4.4/5 (315 download)

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Book Synopsis Principles and Methods of Quantum Information Technologies by : Yoshihisa Yamamoto

Download or read book Principles and Methods of Quantum Information Technologies written by Yoshihisa Yamamoto and published by Springer. This book was released on 2015-12-30 with total page 615 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the research and development-related results of the “FIRST” Quantum Information Processing Project, which was conducted from 2010 to 2014 with the support of the Council for Science, Technology and Innovation of the Cabinet Office of the Government of Japan. The project supported 33 research groups and explored five areas: quantum communication, quantum metrology and sensing, coherent computing, quantum simulation, and quantum computing. The book is divided into seven main sections. Parts I through V, which consist of twenty chapters, focus on the system and architectural aspects of quantum information technologies, while Parts VI and VII, which consist of eight chapters, discuss the superconducting quantum circuit, semiconductor spin and molecular spin technologies. Readers will be introduced to new quantum computing schemes such as quantum annealing machines and coherent Ising machines, which have now arisen as alternatives to standard quantum computers and are designed to successfully address NP-hard/NP-complete combinatorial optimization problems, which are ubiquitous and relevant in our modern life. The book offers a balanced mix of theory-based and experimentation-based chapters written by leading researchers. Extensive information is provided on Quantum simulation, which focuses on the implementation of various many-body Hamiltonians in a well-controlled physical system, Quantum key distribution, Quantum repeaters and quantum teleportation, which are indispensable technologies for building quantum networks with various advanced applications and require far more sophisticated experimental techniques to implement.

Spin-Photon Strong Coupling of a Diluted Spin Ensemble Using On-Chip Superconducting Resonators

Author : Giovanni Franco-Rivera
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (141 download)

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Book Synopsis Spin-Photon Strong Coupling of a Diluted Spin Ensemble Using On-Chip Superconducting Resonators by : Giovanni Franco-Rivera

Download or read book Spin-Photon Strong Coupling of a Diluted Spin Ensemble Using On-Chip Superconducting Resonators written by Giovanni Franco-Rivera and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The properties of quantum spins diluted in non-magnetic crystals make them a promising candidatefor a quantum memory given their long coherence and relaxation times and their limited Hilbert space span by the electron and nuclear states of the spin Hamiltonian. In order to efficiently store and retrieve the quantum information from, let's say a superconducting qubit quantum processor, the coupling between systems is mediated by on-chip superconducting resonators that acts as a quantum bus. For this, a strong coupling between the spin quantum memory and electromagnetic mode of the superconducting resonator is needed. The results presented in this dissertation demonstrates the implementation of coupled photonic states of an on-chip superconducting resonator with a Gd3+ rare-earth ion hosted in a scheelite (CaWO4) crystal. Experiments probing the weakly coupled limit of the resonator mode with the electronuclear states of the 155,157Gd3+ isotopes diluted in CaWO4 crystal are shown. Highly sensitive field dependent cavity spectroscopy measurements showed the perturbation of the resonator properties, such as the cavity linewidth and resonance frequency. Information about the spin ensemble phase memory loss rate and coupling strength were obtained for the six observed resonances resulting from the hyperfine slitting of the Gd odd isotopes. Given the resonator microwave field distribution and carefully selecting the orientation of the static field relative crystallographic c-axis, we were able to detect highly forbidden electron spin resnonance (ESR) transitions. Additionaly, the strong coupling signal of the Gd3+ spin transition between the first and second excited state with the on-chip resonator mode is demonstrated. By analyzing the spectroscopic signal using the Dicke model that describes the interaction of photonic states with a large S spin the observed transitions were reproduced by numerical diagonalization of the spin-cavity Hamiltonian. Lastly the dynamics of the spin-cavity states were explored via pulsed ESR measurements by recording the cavity ring-down signal at different pulse lengths and drive powers. The presented results are only a first step into the exploration of the Gd3+ spin dynamics at millikelvin temperatures.

Quantum Information Processing with Diamond

Author : Steven Prawer
Publisher : Elsevier
ISBN 13 : 0857096680
Total Pages : 367 pages
Book Rating : 4.8/5 (57 download)

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Book Synopsis Quantum Information Processing with Diamond by : Steven Prawer

Download or read book Quantum Information Processing with Diamond written by Steven Prawer and published by Elsevier. This book was released on 2014-05-12 with total page 367 pages. Available in PDF, EPUB and Kindle. Book excerpt: Diamond nitrogen vacancy (NV) color centers can transform quantum information science into practical quantum information technology, including fast, safe computing. Quantum Information Processing with Diamond looks at the principles of quantum information science, diamond materials, and their applications. Part one provides an introduction to quantum information processing using diamond, as well as its principles and fabrication techniques. Part two outlines experimental demonstrations of quantum information processing using diamond, and the emerging applications of diamond for quantum information science. It contains chapters on quantum key distribution, quantum microscopy, the hybridization of quantum systems, and building quantum optical devices. Part three outlines promising directions and future trends in diamond technologies for quantum information processing and sensing. Quantum Information Processing with Diamond is a key reference for R&D managers in industrial sectors such as conventional electronics, communication engineering, computer science, biotechnology, quantum optics, quantum mechanics, quantum computing, quantum cryptology, and nanotechnology, as well as academics in physics, chemistry, biology, and engineering. Brings together the topics of diamond and quantum information processing Looks at applications such as quantum computing, neural circuits, and in vivo monitoring of processes at the molecular scale

Broad Bandwidth and High Dimensional Quantum Memory Based on Atomic Ensembles

Author : Dong-Sheng Ding
Publisher : Springer
ISBN 13 : 9811074763
Total Pages : 136 pages
Book Rating : 4.8/5 (11 download)

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Book Synopsis Broad Bandwidth and High Dimensional Quantum Memory Based on Atomic Ensembles by : Dong-Sheng Ding

Download or read book Broad Bandwidth and High Dimensional Quantum Memory Based on Atomic Ensembles written by Dong-Sheng Ding and published by Springer. This book was released on 2017-12-26 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis presents an experimental study of quantum memory based on cold atomic ensembles and discusses photonic entanglement. It mainly focuses on experimental research on storing orbital angular momentum, and introduces readers to methods for storing a single photon carried by an image or an entanglement of spatial modes. The thesis also discusses the storage of photonic entanglement using the Raman scheme as a step toward implementing high-bandwidth quantum memory. The storage of photonic entanglement is central to achieving long-distance quantum communication based on quantum repeaters and scalable linear optical quantum computation. Addressing this key issue, the findings presented in the thesis are very promising with regard to future high-speed and high-capacity quantum communications.

Towards a Scalable Quantum Computing Platform in the Ultrastrong Coupling Regime

Author : Thi Ha Kyaw
Publisher : Springer
ISBN 13 : 3030196585
Total Pages : 116 pages
Book Rating : 4.0/5 (31 download)

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Book Synopsis Towards a Scalable Quantum Computing Platform in the Ultrastrong Coupling Regime by : Thi Ha Kyaw

Download or read book Towards a Scalable Quantum Computing Platform in the Ultrastrong Coupling Regime written by Thi Ha Kyaw and published by Springer. This book was released on 2019-06-04 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis devotes three introductory chapters to outlining basic recipes for constructing the quantum Hamiltonian of an arbitrary superconducting circuit, starting from classical circuit design. Since a superconducting circuit is one of the most promising platforms for realizing a practical quantum computer, anyone who is starting out in the field will benefit greatly from this introduction. The second focus of the introduction is the ultrastrong light-matter interaction (USC), where the latest developments are described. This is followed by three main research works comprising quantum memory in USC; scaling up the 1D circuit to a 2D lattice configuration; creation of Noisy Intermediate-Scale Quantum era quantum error correction codes and polariton-mediated qubit-qubit interaction. The research work detailed in this thesis will make a major contribution to the development of quantum random access memory, a prerequisite for various quantum machine learning algorithms and applications.

Molecular Nanomagnets and Related Phenomena

Author : Song Gao
Publisher : Springer
ISBN 13 : 3662457237
Total Pages : 468 pages
Book Rating : 4.6/5 (624 download)

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Book Synopsis Molecular Nanomagnets and Related Phenomena by : Song Gao

Download or read book Molecular Nanomagnets and Related Phenomena written by Song Gao and published by Springer. This book was released on 2015-02-20 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt: The series Structure and Bonding publishes critical reviews on topics of research concerned with chemical structure and bonding. The scope of the series spans the entire Periodic Table and addresses structure and bonding issues associated with all of the elements. It also focuses attention on new and developing areas of modern structural and theoretical chemistry such as nanostructures, molecular electronics, designed molecular solids, surfaces, metal clusters and supramolecular structures. Physical and spectroscopic techniques used to determine, examine and model structures fall within the purview of Structure and Bonding to the extent that the focus is on the scientific results obtained and not on specialist information concerning the techniques themselves. Issues associated with the development of bonding models and generalizations that illuminate the reactivity pathways and rates of chemical processes are also relevant. The individual volumes in the series are thematic. The goal of each volume is to give the reader, whether at a university or in industry, a comprehensive overview of an area where new insights are emerging that are of interest to a larger scientific audience. Thus each review within the volume critically surveys one aspect of that topic and places it within the context of the volume as a whole. The most significant developments of the last 5 to 10 years should be presented using selected examples to illustrate the principles discussed. A description of the physical basis of the experimental techniques that have been used to provide the primary data may also be appropriate, if it has not been covered in detail elsewhere. The coverage need not be exhaustive in data, but should rather be conceptual, concentrating on the new principles being developed that will allow the reader, who is not a specialist in the area covered, to understand the data presented. Discussion of possible future research directions in the area is welcomed. Review articles for the individual volumes are invited by the volume editors. Readership: research scientists at universities or in industry, graduate students Special offer for all customers who have a standing order to the print version of Structure and Bonding, we offer free access to the electronic volumes of the Series published in the current year via SpringerLink.

Ensemble Based Quantum Memory and Adiabatic Phase Gates in Electron Spins

Author : Hua Wu
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (82 download)

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Book Synopsis Ensemble Based Quantum Memory and Adiabatic Phase Gates in Electron Spins by : Hua Wu

Download or read book Ensemble Based Quantum Memory and Adiabatic Phase Gates in Electron Spins written by Hua Wu and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Quantum computing has been a new and challenging area of research since the concept was put forward in 1980s. A quantum computer is a computer that processes information encoded in systems that exhibit quantum properties and is proved in theory to be more powerful than classical computers. Various approaches to the implementation of the quantum computers have been studied over the decades, each of them having their own advantages and disadvantages in terms of the lifetime of the quantum information, processing time, and scalability of the implementation. Proposals for hybrid quantum processors are interesting because they benefit from the advantages of each comprising system, and thus providing a promising approach to a practical quantum computer. In this thesis, I demonstrate experimentally the principle of utilizing electron spin ensembles as a quantum memory for hybrid quantum processors. I demonstrate the storage and on-demand retrieval of multiple bits of quantum information into and from a single electron spin ensemble by applying magnetic field gradient pulses. I then study the coupling between an electron spin ensemble and a three-dimensional microwave cavity, in the aim of discussing the condition for the coherent information transfer between the excitations in solid-state matter and photons. As an alternative to the high power pulses in electron paramagnetic resonance (EPR), I study the possibility of controlling the electron spin states via adiabatic processes. I demonstrate the implementation of adiabatic geometric phase gates in electron spins and compare their performances to other phase gates achieved with microwave pulses in both simulation and experiment, verifying the robustness of the adiabatic gates against certain type of noises. Finally I present the simulation method developed for simulating the pulsed EPR experiments in this thesis, using a model more general than some currently-existing simulation packages.

Issues in General Physics Research: 2011 Edition

Author :
Publisher : ScholarlyEditions
ISBN 13 : 1464963320
Total Pages : 13957 pages
Book Rating : 4.4/5 (649 download)

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Book Synopsis Issues in General Physics Research: 2011 Edition by :

Download or read book Issues in General Physics Research: 2011 Edition written by and published by ScholarlyEditions. This book was released on 2012-01-09 with total page 13957 pages. Available in PDF, EPUB and Kindle. Book excerpt: Issues in General Physics Research / 2011 Edition is a ScholarlyEditions™ eBook that delivers timely, authoritative, and comprehensive information about General Physics Research. The editors have built Issues in General Physics Research: 2011 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about General Physics Research in this eBook to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Issues in General Physics Research: 2011 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.

Quantum Sensing Experiments with Superconducting Qubits

Author : Schneider, Andre
Publisher : KIT Scientific Publishing
ISBN 13 : 3731510324
Total Pages : 170 pages
Book Rating : 4.7/5 (315 download)

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Book Synopsis Quantum Sensing Experiments with Superconducting Qubits by : Schneider, Andre

Download or read book Quantum Sensing Experiments with Superconducting Qubits written by Schneider, Andre and published by KIT Scientific Publishing. This book was released on 2021-06-04 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt: Quantum sensing is a vast and emerging field enabling in-situ studies of quantum systems and hence the development of quantum hybrid systems. This work creates the fundament of direct superconducting-magnetic hybrid systems by developing a local microwave sensing scheme and studying the influence of a static magnetic field on a superconducting qubit. Finally, a proof-of-principle hybrid system is demonstrated, which opens the path towards superconducting-magnetic quantum circuits.

Hybrid quantum system based on rare earth doped crystals

Author : Probst, Sebastian
Publisher : KIT Scientific Publishing
ISBN 13 : 373150345X
Total Pages : 156 pages
Book Rating : 4.7/5 (315 download)

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Book Synopsis Hybrid quantum system based on rare earth doped crystals by : Probst, Sebastian

Download or read book Hybrid quantum system based on rare earth doped crystals written by Probst, Sebastian and published by KIT Scientific Publishing. This book was released on 2016-09-05 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hybrid quantum circuits interfacing rare earth spin ensembles with microwave resonators are a promising approach for application as coherent quantum memory and frequency converter. In this thesis, hybrid circuits based on Er and Nd ions doped into Y?SiO? and YAlO? crystals are investigated by optical and on-chip microwave spectroscopy. Coherent strong coupling between the microwave resonator and spin ensemble as well as a multimode memory for weak coherent microwave pulses are demonstrated.

Carbon Superstructures

Author : Somnath Bhattacharyya
Publisher : CRC Press
ISBN 13 : 1040013139
Total Pages : 327 pages
Book Rating : 4.0/5 (4 download)

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Book Synopsis Carbon Superstructures by : Somnath Bhattacharyya

Download or read book Carbon Superstructures written by Somnath Bhattacharyya and published by CRC Press. This book was released on 2024-05-24 with total page 327 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers how the understanding, as well as controllability, of the quantum electronic properties of carbon structures can be improved through a combined study of structural geometry, electronic properties, and dynamics of resonating valence bonds. It elaborates varied properties such as growth mechanism, exotic transport properties, namely unusual geometry of microstructures mixed with electron distribution and spin properties in carbon. Transport mechanisms and new applications including hybrid quantum technology based on the superconducting diamond and diamond nitrogen-vacancy (NV) centers are discussed. Features: • Includes the theoretical and experimental aspects of carbon physics, various carbon nanostructures, and simulations. • Covers growth of carbon superstructures and various applications of their tunable electronic properties. • Discusses how nanocarbon systems can be used in emerging technologies, including spintronic and quantum computing. • Focuses on spin-related features and spin transport including the Kondo effect, spin-charge separation, spin-phonon coupling, anomalous Hall effect, and Luttinger liquid features. • Explores carbon superstructure growth and their tunable electronic properties. This book is aimed at students, researchers in physics, chemistry, engineering, materials science, electronics, and quantum technology.

Cold Molecules

Author : Roman Krems
Publisher : CRC Press
ISBN 13 : 1420059041
Total Pages : 756 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Cold Molecules by : Roman Krems

Download or read book Cold Molecules written by Roman Krems and published by CRC Press. This book was released on 2009-06-25 with total page 756 pages. Available in PDF, EPUB and Kindle. Book excerpt: The First Book on Ultracold MoleculesCold molecules offer intriguing properties on which new operational principles can be based (e.g., quantum computing) or that may allow researchers to study a qualitatively new behavior of matter (e.g., Bose-Einstein condensates structured by the electric dipole interaction). This interdisciplinary book discusse

Quantum Network with Multiple Cold Atomic Ensembles

Author : Bo Jing
Publisher : Springer Nature
ISBN 13 : 981190328X
Total Pages : 197 pages
Book Rating : 4.8/5 (119 download)

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Book Synopsis Quantum Network with Multiple Cold Atomic Ensembles by : Bo Jing

Download or read book Quantum Network with Multiple Cold Atomic Ensembles written by Bo Jing and published by Springer Nature. This book was released on 2022-03-16 with total page 197 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book highlights the novel research in quantum memory networking, especially quantum memories based on cold atomic ensembles. After discussing the frontiers of quantum networking research and building a DLCZ-type quantum memory with cold atomic ensemble, the author develops the ring cavity enhanced quantum memory and demonstrates a filter-free quantum memory, which significantly improves the photon-atom entanglement. The author then realizes for the first time the GHZ-type entanglement of three separate quantum memories, a building block of 2D quantum repeaters and quantum networks. The author also combines quantum memories and time-resolved measurements, and reports the first multiple interference of three single photons with different colors. The book is of good reference value for graduate students, researchers, and technical personnel in quantum information sciences.