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Book
Broadband Measurement and Reduction of Quantum Radiation Pressure Noise in the Audio Band
Author:
ISBN: 3030450317 3030450309 Year: 2020 Publisher: Cham : Springer International Publishing : Imprint: Springer,

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Abstract

This book presents a direct measurement of quantum back action, or radiation pressure noise, on a macroscopic object at room temperature across a broad bandwidth in the audio range. This noise source was predicted to be a limitation for gravitational wave interferometers in the 1980s, but it has evaded direct characterization in the gravitational wave community due to the inherent difficult of reducing thermal fluctuations below the quantum back action level. This back action noise is a potential limitation in Advanced LIGO and Advanced Virgo, and Cripe’s experiment has provided a platform for the demonstration of quantum measurement techniques that will allow quantum radiation pressure noise to be reduced in these detectors. The experimental techniques Cripe developed for this purpose are also applicable to any continuous measurement operating near the quantum limit, and could lead to the possibility of observing non-classical behavior of macroscopic objects. .

Multi-photon Quantum interference
Author:
ISBN: 1280937858 9786610937851 0387255540 038725532X 144193801X Year: 2007 Publisher: New York : Springer,

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Multi-Photon Quantum Interference covers the phenomena of quantum interference through the multi-photon effects of photon correlation. The author’s focus is on the temporal correlation among photons and how it influences the interference effect. Included is discussion of some of the well known multi-photon interference schemes, such as Hong-Ou-Mandel interferometer and Franson Interferometer for two-photon system, quantum state teleportation and swapping for four-photon system, and quantum state reconstruction for multi-photon system. A unique feature of the book is its quantitative characterization of photon indistinguishability and its connection to interference effects.

Quantum interference and coherence : theory and experiments
Authors: ---
ISBN: 0387229655 9786610263141 1280263148 0387258353 Year: 2005 Publisher: New York, New York : Springer,

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Abstract

For the first time, this book assembles in a single volume accounts of many phenomena involving quantum interference in optical fields and atomic systems. It provides detailed theoretical treatments and experimental analyses of such phenomena as quantum erasure, quantum lithography, multi-atom entanglement, quantum beats, control of decoherence, phase control of quantum interference, coherent population trapping, electromagnetically induced transparency and absorption, lasing without inversion, subluminal and superluminal light propagation, storage of photons, quantum interference in phase space, interference and diffraction of cold atoms, and interference between Bose-Einstein condensates. This book fills a gap in the literature and will be useful to both experimentalists and theoreticians.


Book
Multi-photon Quantum Secure Communication
Authors: --- ---
ISBN: 9811086184 9811086176 Year: 2019 Publisher: Singapore : Springer Singapore : Imprint: Springer,

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Abstract

This book explores alternative ways of accomplishing secure information transfer with incoherent multi-photon pulses in contrast to conventional Quantum Key Distribution techniques. Most of the techniques presented in this book do not need conventional encryption. Furthermore, the book presents a technique whereby any symmetric key can be securely transferred using the polarization channel of an optical fiber for conventional data encryption. The work presented in this book has largely been practically realized, albeit in a laboratory environment, to offer proof of concept rather than building a rugged instrument that can withstand the rigors of a commercial environment. .

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