Quantum State Reconstruction And Tomography Using Phase Sensitive Light Detection
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Quantum State Reconstruction And Tomography Using Phase Sensitive Light Detection
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Author : Olivia L. Mello
language : en
Publisher:
Release Date : 2014
Quantum State Reconstruction And Tomography Using Phase Sensitive Light Detection written by Olivia L. Mello and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with categories.
In this thesis we present an optical and electronic setup that is capable of performing coherent state tomography. We fully characterize it in order to verify whether or not it will be capable to perform non-demolition homodyne detection of squeezed light in a high-finesse cavity QED setup with an ensemble of Cesium atoms coupled to the cavity. After quantifying sources of noise, the photodiode efficiency, we perform a series of measurements of low photon number coherent states and compare them against the standard quantum limit. We discuss a variety of technical challenges encountered in such systems and some methods to overcome them. Lastly, we test the apparatus' ability to do quantum state tomography and quantum state reconstruction by reconstructing the density matrix and Wigner functions for low photon-number coherent states.
Quantum Tomography Of A Phase Sensitive Photon Counting Detector
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Author : Xiaodan Yang
language : en
Publisher:
Release Date : 2009
Quantum Tomography Of A Phase Sensitive Photon Counting Detector written by Xiaodan Yang and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Photon detectors categories.
Quantum Information With Continuous Variables Of Atoms And Light
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Author : Nicolas J Cerf
language : en
Publisher: World Scientific
Release Date : 2007-02-06
Quantum Information With Continuous Variables Of Atoms And Light written by Nicolas J Cerf and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-02-06 with Science categories.
Quantum information describes the new field which bridges quantum physics and information science. The quantum world allows for completely new architectures and protocols. While originally formulated in continuous quantum variables, the field worked almost exclusively with discrete variables, such as single photons and photon pairs. The renaissance of continuous variables came with European research consortia such as ACQUIRE (Advanced Coherent Quantum Information Research) in the late 1990s, and QUICOV (Quantum Information with Continuous Variables) from 2000-2003. The encouraging research results of QUICOV and the new conference series CVQIP (Continuous Variable Quantum Information Processing) triggered the idea for this book.This book presents the state of the art of quantum information with continuous quantum variables. The individual chapters discuss results achieved in QUICOV and presented at the first five CVQIP conferences from 2002-2006. Many world-leading scientists working on continuous variables outside Europe also contribute to the book./a
Progress In Optics
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Author :
language : en
Publisher: Elsevier
Release Date : 1999-06-17
Progress In Optics written by and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999-06-17 with Science categories.
Volume XXXIX presents five review articles dealing with topics of current research interest in optics. The book opens with a chapter dealing with the analytic extension of the concept of geometrical optics rays into the complex domain. The extension is intimately related to inhomogeneous (evanescent) waves, which are currently of particular interest in connection with the rapidly developing area of near-field optics. The results are also relevant to investigations of wave attenuation in absorbing media, and to the understanding of light penetration into geometrical shadow regions, excitation of surface waves and propagation of Gaussian beams. In this article the principles are presented, with special emphasis on the physical significance of complex rays and their applications.
Quantum Sensing For Low Light Imaging
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Author : Savannah Lea Cuozzo
language : en
Publisher:
Release Date : 2022
Quantum Sensing For Low Light Imaging written by Savannah Lea Cuozzo and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022 with Squeezed light categories.
In high-precision optical measurements, noise due to quantum fluctuations in the amplitude and phase of the probing field becomes the limiting factor in detection sensitivity. While this quantum noise is fundamental and not a result of detection, it is possible to engineer a quantum state that has reduced noise in either amplitude or phase (at the cost of increasing noise in the other) called a quadrature-squeezed state. In this dissertation, we study the use of quadrature-squeezed vacuum states for low-light imaging and develop a quantum detection method to measure the spatial dependence of the quantum noise using a camera instead of the traditional homodyne detection. Our novel quantum imaging scheme paves the way for ultra-low-light imaging due to the inherently few photons in the squeezed vacuum state. We also expand the method beyond camera limitations using single-pixel imaging techniques, making the detection method accessible to a broad range of wavelengths where quantum-limited cameras may be difficult to find.
Quantum Information With Continuous Variables Of Atoms And Light
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Author : N. J. Cerf
language : en
Publisher: World Scientific
Release Date : 2007
Quantum Information With Continuous Variables Of Atoms And Light written by N. J. Cerf and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Science categories.
Quantum information describes the new field which bridges quantum physics and information science. The quantum world allows for completely new architectures and protocols. While originally formulated in continuous quantum variables, the field worked almost exclusively with discrete variables, such as single photons and photon pairs. The renaissance of continuous variables came with European research consortia such as ACQUIRE (Advanced Coherent Quantum Information Research) in the late 1990s, and QUICOV (Quantum Information with Continuous Variables) from 2000OCo2003. The encouraging research results of QUICOV and the new conference series CVQIP (Continuous Variable Quantum Information Processing) triggered the idea for this book. This book presents the state of the art of quantum information with continuous quantum variables. The individual chapters discuss results achieved in QUICOV and presented at the first five CVQIP conferences from 2002OCo2006. Many world-leading scientists working on continuous variables outside Europe also contribute to the book.
Coherence And Quantum Optics Vii
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Author : J.H. Eberly
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-11-11
Coherence And Quantum Optics Vii written by J.H. Eberly and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-11-11 with Science categories.
The Seventh Rochester Conference on Coherence and Quantum Optics was held on the campus of the University of Rochester during the four-day period June 7 - 10, 1996. More than 280 scientists from 33 countries participated. This book contains the Proceedings of the meeting. This Conference differed from the previous six in the series in having only a limited number of oral presentations, in order to avoid too many parallel sessions. Another new feature was the introduction of tutorial lectures. Most contributed papers were presented in poster sessions. The Conference was sponsored by the American Physical Society, by the Optical Society of America, by the International Union of Pure and Applied Physics and by the University of Rochester. We wish to express our appreciation to these organizations for their support and we especially extend our thanks to the International Union of Pure and Applied Physics for providing financial assistance to a number of speakers from Third World countries, to enable them to take part in the meeting.
Quantum State Reconstruction Of Classical And Nonclassical Light And A Cryogenic Opto Mechanical Sensor For High Precision Interferometry
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Author : Gerd Breitenbach
language : en
Publisher:
Release Date : 1998
Quantum State Reconstruction Of Classical And Nonclassical Light And A Cryogenic Opto Mechanical Sensor For High Precision Interferometry written by Gerd Breitenbach and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with categories.
Multimode Optical Tomography Of Quantum States
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Author : Michael Vasilyev
language : en
Publisher:
Release Date : 1999
Multimode Optical Tomography Of Quantum States written by Michael Vasilyev and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with categories.
We have developed techniques that allow the use of self-homodyne tomography in phase-sensitive amplifiers. We have shown, however, that the beam-profile change during amplification is detrimental to the success of self-homodyning in this configuration.
Quantum State Measurement
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Author : Andrew McCutcheon Dawes
language : en
Publisher:
Release Date : 2002
Quantum State Measurement written by Andrew McCutcheon Dawes and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Physical measurements categories.