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Author :
Publisher :
ISBN 13 :
Total Pages : 338 pages
Book Rating : 4.:/5 (94 download)
Download or read book Miniature Ion Trap for Cavity QED Experiment with Trapped Ions written by and published by . This book was released on 2000 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Xidong Feng
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (93 download)
Download or read book Miniature Ion Trap for Cavity QED Experiments with Trapped Ions written by Xidong Feng and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Elisabeth Brama
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (857 download)
Download or read book Ion Trap Cavity System for Strongly Coupled Cavity-QED. written by Elisabeth Brama and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The combination of an ion trap with a high finesse optical cavity is an ideal system for the investigation of strong coupling cavity quantum electrodynamics, and allows the observation of a number of interesting quantum phenomena. To achieve the small mode volumes required without impairing the ion trapping small traps with a short ion electrode distance are needed. Two microscopic linear rf ion traps have been developed and built to accommodate experimental cavities of lengths of several 100 microns. The first trap design, the 'sandwich' trap, was successfully used to trap 40Ca+ - ions for several hours. It was characterised extensively including a measurement of the heating rates of the ions in the trap. Spectroscopy measurements of the cooling transition, as well as the two repumping transitions were carried out. The second trap design, the 'alumina' trap, also successfully trapped 40Ca+ - ions, and a full characterisation of this trap was made. The experimental cavity was installed at a preliminary cavity length distance of 3.7 mm. The cavity characteristics were examined. Finally the trapped ions were overlapped with the cavity mode by adjusting the trap minimum position along the trap axis via dc voltages and the vertical position of the cavity. To progress further a locking scheme for the cavity length as well as a single - photon detection setup are necessary. To achieve strong coupling a reduction of the cavity length will have to be made.
Author : Stephan Schulz
Publisher : Lulu.com
ISBN 13 : 0557621852
Total Pages : 192 pages
Book Rating : 4.5/5 (576 download)
Download or read book Scalable Microchip Ion Traps for Quantum Computation written by Stephan Schulz and published by Lulu.com. This book was released on 2010-09-13 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: The development of scalable microfabricated ion traps with multiple segments for the realization of quantum computing is a challenging task in quantum information science. The research on the design, development, fabrication, and operation of the first European micro-trap is shown in this thesis. This chip-based micro-trap is an outstanding candidate towards experiments for a future quantum processor with trapped single ions. In the experiments coherent quantum state manipulation is demonstrated, and sideband cooling to the motional ground state is realized. The heating rate is determined and the applicability for quantum computation is proven. Furthermore planar trap designs are investigated - a planar microparticle trap was built and operated. A linear microfabricated planar trap was operated, showing the proof of concept of a novel designed and fabricated Y-shaped planar trap.
Author : Robert A. Meyers
Publisher : Springer
ISBN 13 : 9781461417996
Total Pages : 0 pages
Book Rating : 4.4/5 (179 download)
Download or read book Computational Complexity written by Robert A. Meyers and published by Springer. This book was released on 2011-10-19 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Complex systems are systems that comprise many interacting parts with the ability to generate a new quality of collective behavior through self-organization, e.g. the spontaneous formation of temporal, spatial or functional structures. These systems are often characterized by extreme sensitivity to initial conditions as well as emergent behavior that are not readily predictable or even completely deterministic. The recognition that the collective behavior of the whole system cannot be simply inferred from an understanding of the behavior of the individual components has led to the development of numerous sophisticated new computational and modeling tools with applications to a wide range of scientific, engineering, and societal phenomena. Computational Complexity: Theory, Techniques and Applications presents a detailed and integrated view of the theoretical basis, computational methods, and state-of-the-art approaches to investigating and modeling of inherently difficult problems whose solution requires extensive resources approaching the practical limits of present-day computer systems. This comprehensive and authoritative reference examines key components of computational complexity, including cellular automata, graph theory, data mining, granular computing, soft computing, wavelets, and more.
Author :
Publisher :
ISBN 13 :
Total Pages : 388 pages
Book Rating : 4.:/5 (4 download)
Download or read book Journal of Research of the National Institute of Standards and Technology written by and published by . This book was released on 1998 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 71 pages
Book Rating : 4.:/5 (713 download)
Download or read book Experimental Issues in Coherent Quantum-State Manipulation of Trapped Atomic Ions written by and published by . This book was released on 1998 with total page 71 pages. Available in PDF, EPUB and Kindle. Book excerpt: Methods for, and limitations to, the generation of entangled states of trapped atomic ions are examined. As much as possible, state manipulations are described in terms of quantum logic operations since the conditional dynamics implicit in quantum logic is central to the creation of entanglement. Keeping with current interest, some experimental issues in the proposal for trapped-ion quantum computation by J.I. Cirac and P. Zoller (University of Innsbruck) are discussed. Several possible decoherence mechanisms are examined and what may be the more important of these are identified. Some potential applications for entangled states of trapped-ions which lie outside the immediate realm of quantum computation are also discussed.
Author : Christian Miniatura
Publisher : OUP Oxford
ISBN 13 : 0191621234
Total Pages : 668 pages
Book Rating : 4.1/5 (916 download)
Download or read book Ultracold Gases and Quantum Information written by Christian Miniatura and published by OUP Oxford. This book was released on 2011-05-05 with total page 668 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years, there has been much synergy between the exciting areas of quantum information science and ultracold atoms. This volume, as part of the proceedings for the XCI session of Les Houches School of Physics (held for the first time outside Europe in Singapore) brings together experts in both fields. The theme of the school focused on two principal topics: quantum information science and ultracold atomic physics. The topics range from Bose Einstein Condensates to Degenerate Fermi Gases to fundamental concepts in Quantum Information Sciences, including some special topics on Quantum Hall Effects, Quantum Phase Transition, Interactions in Quantum Fluids, Disorder and Interference Phenomenoma, Trapped Ions and Atoms, and Quantum Optical Devices.
Author : Dirk Bouwmeester
Publisher : Springer Science & Business Media
ISBN 13 : 3662042096
Total Pages : 327 pages
Book Rating : 4.6/5 (62 download)
Download or read book The Physics of Quantum Information written by Dirk Bouwmeester and published by Springer Science & Business Media. This book was released on 2013-03-14 with total page 327 pages. Available in PDF, EPUB and Kindle. Book excerpt: Leading experts from "The Physics of Quantum Information" network, initiated by the European Commission, bring together the most recent results from this emerging area of quantum technology. Written in a consistent style as a research monograph, the book introduces quantum cryptography, quantum teleportation, and quantum computation, considering both theory and newest experiments. Both scientists working in the field and advanced students will find a rich source of information on this exciting new area.
Author : Serge Haroche
Publisher : OUP Oxford
ISBN 13 : 0191523240
Total Pages : 616 pages
Book Rating : 4.1/5 (915 download)
Download or read book Exploring the Quantum written by Serge Haroche and published by OUP Oxford. This book was released on 2006-08-11 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt: The counter-intuitive aspects of quantum physics have been long illustrated by thought experiments, from Einstein's photon box to Schrödinger's cat. These experiments have now become real, with single particles - electrons, atoms, or photons - directly unveiling the strange features of the quantum. State superpositions, entanglement and complementarity define a novel quantum logic which can be harnessed for information processing, raising great hopes for applications. This book describes a class of such thought experiments made real. Juggling with atoms and photons confined in cavities, ions or cold atoms in traps, is here an incentive to shed a new light on the basic concepts of quantum physics. Measurement processes and decoherence at the quantum-classical boundary are highlighted. This volume, which combines theory and experiments, will be of interest to students in quantum physics, teachers seeking illustrations for their lectures and new problem sets, researchers in quantum optics and quantum information.
Author : F. de Martini
Publisher : IOS Press
ISBN 13 : 1614990042
Total Pages : 562 pages
Book Rating : 4.6/5 (149 download)
Download or read book Experimental Quantum Computation and Information written by F. de Martini and published by IOS Press. This book was released on 2003-02-12 with total page 562 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Fermi Summer School of Physics on "Experimental Quantum Information and Computing" represents a primer on one of the most intriguing and rapidly expanding new areas of physics. In this part, the interest in quantum information (QI) science is due to the discovery that a computer operating on quantum mechanical principles can solve certain important computational problems exponentially faster than any conceivable classical computer. But this interest is also due to the interdisciplinary nature of the field: the rapid growth is attributable, in part, to the stimulating confluence of researchers and ideas from physics, chemistry, mathematics, information theory, and computer science. Physics plays a paramount role in QI science, as we realize that computing is itself a physical process subject to physical laws. The incredible growth of classical computers and information processors in the 20th century stems from Turing's notion that a computer is independent of the physical device actually being used; be they relays, vacuum tubes, or semiconductor transistors. As we strive to build useful quantum information processors into the 21st century, we thus look for any physical system that obeys the laws of quantum mechanics, from single photons and atoms to quantum superconducting devices. These Fermi lectures take us on a journey through these and other promising current experimental candidates for QI processing, spanning quantum optics and laser physics, atomic and molecular physics, physical chemistry, and condensed-matter physics. While this broad coverage of experimental physics represents a challenge to the student, such an appreciation of these fields will be critical in the future success of quantum technology. Indeed, the most exciting feature of QI science is that the technology ultimately leading to a quantum processor is likely presently unknown.
Author : M. Knoop
Publisher : IOS Press
ISBN 13 : 1614995265
Total Pages : 312 pages
Book Rating : 4.6/5 (149 download)
Download or read book Ion Traps for Tomorrow’s Applications written by M. Knoop and published by IOS Press. This book was released on 2015-07-21 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ion trapping was first accomplished in Europe more than 50 years ago. Since then, research and development have increased steadily, and the last decades have seen a remarkable growth in applications, mainly due to the improvement of laser-based techniques for spectroscopy, cooling and the manipulation of ions. Nowadays ion trapping plays a crucial role in a wide range of disciplines, including atomic and plasma physics, chemistry, high precision measurement, high energy physics and the emerging field of quantum technologies. This book presents lectures and reports from the Enrico Fermi School ‘Ion Traps for Tomorrow's Applications’, held in Varenna, Italy, in July 2013. Reflecting the aim of the school to exploit diversity and stimulate cross fertilization, the selected topics and highlights in this book partly review the wide range of subjects discussed during the course, while providing an overview of this topical domain. As well as providing a useful reference guide, the book will be a source of inspiration for all those planning to work on ion trapping in the future.
Author : Nikhil Kotibhaskar
Publisher :
ISBN 13 :
Total Pages : 113 pages
Book Rating : 4.:/5 (112 download)
Download or read book Design and Construction of an Ion Trapping Apparatus for Quantum Simulation Experiments written by Nikhil Kotibhaskar and published by . This book was released on 2019 with total page 113 pages. Available in PDF, EPUB and Kindle. Book excerpt: The trapped ions platform represents an excellent framework for Quantum information science experiments. Long coherence times, extremely high state initialization and detection fidelity, inherent full-connectivity between qubits are some features that make trapped ions the ideal qubits. It is the same features that make this platform extremely suitable for quantum simulation of various physical phenomenon, particularly quantum spin models. In this thesis, I present the design and construction of an ion trapping apparatus for quantum simulation experiments. This apparatus is operational and is used for the trapping of ionized Yb atoms. The 6 electrodes of the trap, two of which are needle electrodes, are made out of tungsten. I discuss the unique technique we use to make tungsten needle electrodes. The design, construction, and testing of the Yb source, used to produce a thermal beam of Yb atoms, is also discussed. The apparatus discussed above needs to be housed inside an ultra-high vacuum environment to keep the ions free from background collisions. I have discussed the design and construction of the vacuum system. In the end, I have provided a brief overview of the system in the lab and presented results in the form of pictures of single and multiple trapped ions.
Author : Hossein R. Sadeghpour
Publisher : World Scientific
ISBN 13 : 9812705090
Total Pages : 377 pages
Book Rating : 4.8/5 (127 download)
Download or read book Proceedings of the XVIII International Conference on Atomic Physics written by Hossein R. Sadeghpour and published by World Scientific. This book was released on 2003 with total page 377 pages. Available in PDF, EPUB and Kindle. Book excerpt: This important proceedings volume highlights the major scientific achievement of the last decade in atomic physics, namely the creation of the gaseous Bose-Einstein condensate, which was featured prominently at the XVIII International Conference on Atomic Physics (ICAP2002). Two recipients of the 2001 Nobel Prize delivered lectures at the meeting. Among the topics discussed were novel processes leading to degenerate Fermi gases in atom traps, creation of cold molecules, condensates in optical lattices, atoms in intense fields, tests of fundamental symmetries, quantum control and information, time and frequency standards.
Author : Günther Werth
Publisher : Springer Science & Business Media
ISBN 13 : 354092261X
Total Pages : 280 pages
Book Rating : 4.5/5 (49 download)
Download or read book Charged Particle Traps II written by Günther Werth and published by Springer Science & Business Media. This book was released on 2009-09-16 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: This second volume of the Charged Particle Traps deals with the rapidly expanding body of research exploiting the electromagnetic con?nement of ions, whose principles and techniques were the subject of volume I. These applications include revolutionary advances in diverse ?elds, ranging from such practical ?elds as mass spectrometry, to the establishment of an ult- stable standard of frequency and the emergent ?eld of quantum computing made possible by the observation of the quantum behavior of laser-cooled con?nedions. Bothexperimentalandtheoreticalactivity intheseapplications has proliferated widely, and the number of diverse articles in the literature on its many facets has reached the point where it is useful to distill and organize the published work in a uni?ed volume that de?nes the current status of the ?eld. As explained in volume I, the technique of con?ning charged particles in suitable electromagnetic ?elds was initially conceived by W. Paul as a thr- dimensional version of his rf quadrupole mass ?lter. Its ?rst application to rf spectroscopy on atomic ions was completed in H. G. Dehmelt’s laboratory where notable work was later done on the free electron using the Penning trap. The further exploitation of these devices has followed more or less - dependently along the two initial broad areas: mass spectrometry and high resolution spectroscopy. In volume I a detailed account is given of the theory of operation and experimental techniques of the various forms of Paul and Penning ion traps.
Author : Zhi-jiang Wang
Publisher : World Scientific
ISBN 13 : 9814545562
Total Pages : 498 pages
Book Rating : 4.8/5 (145 download)
Download or read book Laser Spectroscopy - Proceedings Of The Xiii International Conference written by Zhi-jiang Wang and published by World Scientific. This book was released on 1998-02-28 with total page 498 pages. Available in PDF, EPUB and Kindle. Book excerpt: This workshop is the fifth in a series devoted to the presentation and discussion of new findings in the field of noncrystalline solids such as amorphous and nanocrystalline materials, granular systems and fine particles, multiphase systems and thin films, polymers, and other disordered systems. The workshop is divided into six categories, with ten invited contributions.
Author : Andreas Reiserer
Publisher : Springer
ISBN 13 : 3319265482
Total Pages : 83 pages
Book Rating : 4.3/5 (192 download)
Download or read book A Controlled Phase Gate Between a Single Atom and an Optical Photon written by Andreas Reiserer and published by Springer. This book was released on 2015-11-14 with total page 83 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis reports on major steps towards the realization of scalable quantum networks. It addresses the experimental implementation of a deterministic interaction mechanism between flying optical photons and a single trapped atom. In particular, it demonstrates the nondestructive detection of an optical photon. To this end, single rubidium atoms are trapped in a three-dimensional optical lattice at the center of an optical cavity in the strong coupling regime. Full control over the atomic state — its position, its motion, and its electronic state — is achieved with laser beams applied along the resonator and from the side. When faint laser pulses are reflected from the resonator, the combined atom-photon state acquires a state-dependent phase shift. In a first series of experiments, this is employed to nondestructively detect optical photons by measuring the atomic state after the reflection process. Then, quantum bits are encoded in the polarization of the laser pulse and in the Zeeman state of the atom. The state-dependent phase shift mediates a deterministic universal quantum gate between the atom and one or two successively reflected photons, which is used to generate entangled atom-photon, atom-photon-photon, and photon-photon states out of separable input states.
