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This book highlights novel research work done on cold atom-based quantum networks. Given that one of the main challenges in building the quantum network is the limited entanglement distribution distance, this book presents some state-of-the-art experiments in tackling this challenge and, for the first time, establishes entanglement between quantum memories via metropolitan-scale fiber transmission. This achievement is accomplished by cooperating high-efficiency cold quantum memories, low-loss quantum frequency conversion modules, and long-fiber phase-locking techniques. In the book, the scheme design, experimental setup, data analyses, and numerous technical details are given. Therefore, it suits a broad readership that includes all students, researchers, and technicians who work in quantum information sciences.

Quantum mechanics. Quantumfield theory --- quantumfysica --- Quantum computing. --- Quantum entanglement.

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This essential creates a lively and vivid understanding of the processes in quantum computers. It explores the quantum phenomena of entanglement and superposition and how they can be used for computing. Coding of information, explanation of simple algorithms, and possible applications are shown. A glossary at the end of the essentials explains the most important terms.

Space research --- Quantum mechanics. Quantumfield theory --- Physics --- quantumfysica --- fysica --- ruimte (astronomie) --- Mathematics --- Quantum computing.

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This unique text/reference explores music with respect to quantum computing, a nascent technology that is advancing rapidly. Quantum computing promises to bring unprecedented higher speed and optimisation for running algorithms. Of course, this will benefit the music industry in one way or another, but also yield new approaches to musical creativity. There is a long history of research into using computers for music since the 1950s, and nowadays, computers are essential for the music economy. Indeed, it is very likely that quantum computers will impact the music industry in times to come. Consequently, a new area of research and development is emerging: quantum computer music. This unprecedented book examines this new field, introducing the fundamentals of quantum computing for musicians and the latest developments by pioneering practitioners. Each chapter focuses on innovative approaches that leverage the quantum-mechanical nature of quantum computing. Any additional theory required for understanding a given approach is supplied in the respective chapter, and plenty of references are provided. The book also includes some tutorials and walk-through examples, in addition to addressing scientific and aesthetic considerations. Written by pioneering experts, the present volume will serve as a first-of-its-kind reference for all those interested in or studying this fascinating and promising new field. Prof. Eduardo Reck Miranda is a composer and a professor in Computer Music at Plymouth University, UK, where he is a director of the Interdisciplinary Centre for Computer Music Research (ICCMR). His previous publications include the Springer titles Handbook of Artificial Intelligence for Music, Guide to Unconventional Computing for Music, Guide to Brain-Computer Music Interfacing and Guide to Computing for Expressive Music Performance.

Human sciences --- Programming --- Computer architecture. Operating systems --- Information systems --- Computer. Automation --- quantumcomputers --- applicatiebeheer --- sociale media --- apps --- architectuur (informatica) --- Quantum computing. --- Computer music --- Analysis, appreciation.

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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.

Quantum mechanics. Quantumfield theory --- Optics. Quantum optics --- Experimental atomic and molecular physics --- Spectrometric and optical chemical analysis --- quantumfysica --- quantumchemie --- atomen --- Quantum communication. --- Quantum computing. --- Quantum optics.