Academic literature on the topic 'Quantum optics Measurement'

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Journal articles on the topic "Quantum optics Measurement"

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Walls, DF. "Quantum Measurements in Atom Optics." Australian Journal of Physics 49, no. 4 (1996): 715. http://dx.doi.org/10.1071/ph960715.

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We review recent progress in atom optics. We describe new quantum measurements based on the entanglement of quantum states of a light field with atomic external degrees of freedom. Examples include the quantum non-demolition measurement of the photon number in a cavity and the measurement of atomic position.
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Hradil, Z. "Phase measurement in quantum optics." Quantum Optics: Journal of the European Optical Society Part B 4, no. 2 (April 1992): 93–108. http://dx.doi.org/10.1088/0954-8998/4/2/004.

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Xavier, Jolly, Deshui Yu, Callum Jones, Ekaterina Zossimova, and Frank Vollmer. "Quantum nanophotonic and nanoplasmonic sensing: towards quantum optical bioscience laboratories on chip." Nanophotonics 10, no. 5 (March 1, 2021): 1387–435. http://dx.doi.org/10.1515/nanoph-2020-0593.

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Abstract Quantum-enhanced sensing and metrology pave the way for promising routes to fulfil the present day fundamental and technological demands for integrated chips which surpass the classical functional and measurement limits. The most precise measurements of optical properties such as phase or intensity require quantum optical measurement schemes. These non-classical measurements exploit phenomena such as entanglement and squeezing of optical probe states. They are also subject to lower detection limits as compared to classical photodetection schemes. Biosensing with non-classical light so
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Walls, DF, MJ Collett, EP Storey, and SM Tan. "Quantum Measurements in Atomic Optics." Australian Journal of Physics 46, no. 1 (1993): 61. http://dx.doi.org/10.1071/ph930061.

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We consider atoms traversing a cavity filled with an optical field. When the atoms are well detuned from the optical resonance the output momentum distribution of the atoms is found to be a sensitive probe of the photon statistics of the light field. Near resonance spontaneous emission smears the diffractive peaks. We obtain a good fit to the experimental data of Gould et at. (1991). As the atoms pass through the optical field they impart a position-dependent phase shift to the field. By making a quadrature phase measurement on the optical field a position measurement of the atom is achieved.
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Chabaud, Ulysse, Damian Markham, and Adel Sohbi. "Quantum machine learning with adaptive linear optics." Quantum 5 (July 5, 2021): 496. http://dx.doi.org/10.22331/q-2021-07-05-496.

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We study supervised learning algorithms in which a quantum device is used to perform a computational subroutine – either for prediction via probability estimation, or to compute a kernel via estimation of quantum states overlap. We design implementations of these quantum subroutines using Boson Sampling architectures in linear optics, supplemented by adaptive measurements. We then challenge these quantum algorithms by deriving classical simulation algorithms for the tasks of output probability estimation and overlap estimation. We obtain different classical simulability regimes for these two c
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Molotkov, S. N. "Homodyne detection in quantum optics: deterministic extractors and quantum random number generators on ‘vacuum fluctuations’." Laser Physics 32, no. 5 (April 7, 2022): 055202. http://dx.doi.org/10.1088/1555-6611/ac5ccc.

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Abstract Quantum random number generators with a continuous variable are considered based on a primary randomness of the outcomes of homodyne measurements of a coherent state. A deterministic method of extraction of truly random 0 and 1 from the primary sequence of measurements of the quadrature of the field in homodyne detection is considered. The method, in the case of independence of successive measurement outcomes, in the asymptotic limit of long sequences, allows us to extract with a polynomial complexity all the true randomness contained in the primary sequence. The method does not requi
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Krotkov, Robert. "Quantum Optics, Experimental Gravitation, and Measurement Theory." American Journal of Physics 53, no. 8 (August 1985): 795–96. http://dx.doi.org/10.1119/1.14327.

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KOASHI, Masato. "Recent Progress in Quantum Optics. Quantum Cryptography and Measurement of Quantum States." Review of Laser Engineering 28, no. 10 (2000): 677–81. http://dx.doi.org/10.2184/lsj.28.677.

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Castro Santis, Ricardo. "Quantum stochastic dynamics in multi-photon optics." Infinite Dimensional Analysis, Quantum Probability and Related Topics 17, no. 01 (March 2014): 1450007. http://dx.doi.org/10.1142/s0219025714500076.

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Multi-photon models are theoretically and experimentally important because in them quantum properly phenomena are verified; as well as squeezed light and quantum entanglement also play a relevant role in quantum information and quantum communication (see Refs. 18–20).In this paper we study a generic model of a multi-photon system with an arbitrary number of pumping and subharmonics fields. This model includes measurement on the system, as could be direct or homodyne detection and we demonstrate the existence of dynamics in the context of Continuous Measurement Theory of Open Quantum Systems (s
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Chen, Sixin, Taxue Ma, Qian Yu, Pengcheng Chen, Xinzhe Yang, Xuewei Wu, Hai Sang, et al. "A perspective on the manipulation of orbital angular momentum states in nonlinear optics." Applied Physics Letters 122, no. 4 (January 23, 2023): 040503. http://dx.doi.org/10.1063/5.0135224.

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Orbital angular momentum (OAM) of light has been widely investigated in optical manipulation, optical communications, optical storage, and precision measurement. In recent years, the studies of OAM are expanded to nonlinear and quantum optics, paving a way to high-quality nonlinear imaging, high-capacity quantum communication, and many other promising applications. In this Perspective, we first summarize the fundamental research on OAM in nonlinear optics. Then, we introduce its recent applications in nonlinear imaging (including nonlinear spiral imaging and OAM-multiplexing nonlinear holograp
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Dissertations / Theses on the topic "Quantum optics Measurement"

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Cooper, Merlin Frederick Wilmot. "Measurement and manipulation of quantum states of travelling light fields." Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:79164748-ebb3-48e2-b4d4-1a4766d29217.

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This thesis is concerned with the generation of non-classical quantum states of light, the photon-level manipulation of quantum states and the accurate tomography of both quantum states and quantum processes. In optics, quantum information can be encoded and processed in both discrete and continuous variables. Hybrid approaches combining for example homodyne detection with conditional state preparation and manipulation are gaining increasing prominence. The development and characterization of a time-domain balanced homodyne detector (BHD) is presented. The detector has a bandwidth of 80 MHz, a
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Pregnell, Kenneth Lyell, and n/a. "Retrodictive Quantum State Engineering." Griffith University. School of Science, 2004. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20041029.134933.

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This thesis is concerned with retrodiction and measurement in quantum optics. The latter of these two concepts is studied in particular form with a general optical multiport device, consisting of an arbitrary array of beam-splitters and phase-shifters. I show how such an apparatus generalizes the original projection synthesis technique, introduced as an in principle technique to measure the canonical phase distribution. Just as for the original projection synthesis, it is found that such a generalised device can synthesize any general projection onto a state in a finite dimensional Hilbert spa
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Kozlowski, Wojciech. "Competition between weak quantum measurement and many-body dynamics in ultracold bosonic gases." Thesis, University of Oxford, 2016. https://ora.ox.ac.uk/objects/uuid:8da45dd9-27f9-42b6-8bae-8001d0154966.

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Trapping ultracold atoms in optical lattices enabled the study of strongly correlated phenomena in an environment that is far more controllable and tunable than what was possible in condensed matter. Here, we consider coupling these systems to quantised light where the quantum nature of both the optical and matter fields play equally important roles in order to push the boundaries of what is possible in ultracold atomic systems. We show that light can serve as a nondestructive probe of the quantum state of matter. By considering a global measurement we show that it is possible to distinguish a
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Elouard, Cyril. "Thermodynamics of quantum open systems : applications in quantum optics and optomechanics." Thesis, Université Grenoble Alpes (ComUE), 2017. http://www.theses.fr/2017GREAY046/document.

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La thermodynamique a été développée au XIXe siècle pour décrire la physique des moteurs et autres machines thermiques macroscopiques. Depuis lors, le progrès des nanotechnologies a rendu nécessaire d'étendre ces lois, initialement pensées pour des systèmes classiques, aux systèmes obéissant à la mécanique quantique. Durant cette thèse, j'ai mis en place un formalisme pour étudier la thermodynamique stochastique des systèmes quantiques, dans lequel la mesure quantique occupe une place centrale: à l'instar du bain thermique de la thermodynamique statistique classique, la mesure est ici la source
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Buchler, Benjamin Caird. "Electro-optic control of quantum measurements." View thesis entry in Australian Digital Theses Program, 2001. http://thesis.anu.edu.au/public/adt-ANU20020527.131758/index.html.

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Webb, James Engineering &amp Information Technology Australian Defence Force Academy UNSW. "The measurement, creation and manipulation of quantum optical states via photodetection." Awarded by:University of New South Wales - Australian Defence Force Academy. Engineering & Information Technology, 2009. http://handle.unsw.edu.au/1959.4/43686.

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In this thesis, we demonstrate an array of photodetection theory and techniques bridging the traditional discrete and continuous variable experimental domains. In quantum optics, the creation and measurement of states of light are intertwined and we present experimental architectures considering both aspects. We describe the measurement of mean photon numbers at optical sideband frequencies using homodyne detection. We use our technique to provide a direct comparison to photon-counting measurements and observe that our technique exhibits superior speed, dynamic range and mode selectivit
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Folland, Thomas. "Frequency control of terahertz quantum cascade lasers : theory and measurement." Thesis, University of Manchester, 2017. https://www.research.manchester.ac.uk/portal/en/theses/frequency-control-of-terahertz-quantum-cascade-lasers-theory-and-measurement(d4c55769-f053-4b79-aed3-e2fec575adde).html.

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Terahertz (THz) technology stands to solve a number of problems in everyday life, from next generation wireless communication to spectroscopic identification and imaging. However it is technically challenging to make a high power, compact source for terahertz radiation. The Quantum Cascade Laser (QCL), which produces gain at THz frequencies by exploiting inter-sub-band transitions in quantum wells, offers one solution to this problem. However controlling and detecting the emission from such sources remains a major challenge. This thesis investigates the theory and measurement of emission frequ
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Arzani, Francesco. "Measurement based quantum information with optical frequency combs." Thesis, Paris Sciences et Lettres (ComUE), 2018. http://www.theses.fr/2018PSLEE005/document.

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Ce manuscrit porte sur l’étude théorique de techniques expérimentales récemment développées pour réaliser des protocoles d’information quantique en variables continues. Les états Gaussiens multi-modes produits par conversion paramétrique de peignes de fréquences optiques jouent un rôle centrale dans ce travail. Ce phénomène permet de générer de façon déterministe un grand nombre d’états Gaussiens de la lumière. L’état de sortie peut ensuite être de-Gaussifié par soustraction ou addition d’un photon dans une superposition cohérente de modes du champ, puis mesuré par détection homodyne. La thèse
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Thomas-Peter, Nicholas. "Quantum enhanced precision measurement and information processing with integrated photonics." Thesis, University of Oxford, 2012. http://ora.ox.ac.uk/objects/uuid:7bd47582-d32f-4d07-9e90-4978c32cf14e.

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Photons have proven to be an effective test-bed for the fundamental concepts and elements of quantum-enhanced technologies. As systems become increasingly complex, however, practical considerations make the traditional approach of bulk optics and free-space propagation progressively more difficult. The major obstacles are the physical space necessary to realise and operate such a complex system, its stability, and maintaining low losses. In order to address these issues, quantum optical technologies can take a cue from their classical counterparts and look towards an integrated architecture to
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Mazzucchi, Gabriel. "Conditional many-body dynamics and quantum control of ultracold fermions and bosons in optical lattices coupled to quantized light." Thesis, University of Oxford, 2016. https://ora.ox.ac.uk/objects/uuid:6c6eddac-41de-476d-851e-6630907965e6.

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We study the atom-light interaction in the fully quantum regime, with the focus on off-resonant light scattering into a cavity from ultracold atoms trapped in an optical lattice. Because of the global coupling between the atoms and the light modes, observing the photons leaking from the cavity allows the quantum nondemolition (QND) measurement of quantum correlations of the atomic ensemble, distinguishing between different quantum states. Moreover, the detection of the photons perturbs the quantum state of the atoms via the so-called measurement backaction. This effect constitutes an unusual a
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Books on the topic "Quantum optics Measurement"

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Tombesi, P., and D. F. Walls. Quantum measurements in optics. New York: Springer Science, 1992.

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International Workshop on Quantum Communications and Measurement (1994 Nottingham, England). Quantum communications and measurement. New York: Plenum Press, 1995.

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Tombesi, P., and O. Hirota. Quantum communication, computing, and measurement 3. New York: Kluwer Academic, 2002.

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International Conference on Quantum Communication, Measurement, and Computing (4th 1998 Northwestern University, Evanston, Ill.). Quantum communication, computing and measurement 2. New York: Kluwer Academic/Plenum Publishers, 2000.

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International Conference on Quantum Communication, Measurement, and Computing (4th 1998 Northwestern University, Evanston, Ill.). Quantum communication, computing and measurement 2. New York: Kluwer Academic/Plenum Publishers, 2000.

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International Conference on Quantum Communication, Measurement, and Computing (4th 1998 Northwestern University). Quantum communication, computing and measurement 2. New York: Kluwer Academic, 2002.

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P, Belavkin V., Hirota O, and Hudson R. L. 1960-, eds. Quantum communications and measurement: [proceedings of an International Workshop on Quantum Communications and Measurement, held July 11-16, 1994, in Nottingham, England]. New York: Plenum Press, 1995.

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P, Tombesi, Hirota O. 1948-, and International Conference on Quantum Communication, Measurement, and Computing (5th : 2000 : Capri, Italy), eds. Quantum communication, computing, and measurement 3. New York: Kluwer Academic/Plenum Publishers, 2001.

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International, Conference on Quantum Communication Measurement and Computing (8th 2006 Tsukuba-shi Japan). Proceedings of the 8th International Conference on Quantum Communication, Measurement and Computing. [Tokyo]: National Institute of Information and Communications Technology, 2007.

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International Conference on Quantum Communication, Measurement, and Computing (8th 2006 Tsukuba-shi, Japan). Proceedings of the 8th International Conference on Quantum Communication, Measurement and Computing. Tokyo]: National Institute of Information and Communications Technology, 2007.

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Book chapters on the topic "Quantum optics Measurement"

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Walls, D. F., and G. J. Milburn. "Quantum Coherence and Measurement Theory." In Quantum Optics, 297–314. Berlin, Heidelberg: Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/978-3-642-79504-6_16.

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Stenholm, Stig. "Measurement Aspects of Quantum Optics." In Quantum Chaos — Quantum Measurement, 231–40. Dordrecht: Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-015-7979-7_18.

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Peřina, Jan, Zdeněk Hradil, and Branislav Jurčo. "Quantum theory of measurement." In Quantum Optics and Fundamentals of Physics, 54–115. Dordrecht: Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-011-0932-1_3.

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Garraway, B. M., and P. L. Knight. "Stochastic Simulations of Dissipation in Quantum Optics: Quantum Superpositions." In Quantum Communications and Measurement, 463–77. Boston, MA: Springer US, 1995. http://dx.doi.org/10.1007/978-1-4899-1391-3_46.

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Brecha, R. J., and H. Walther. "The Quantum Measurement Process and the One-Atom Maser." In Quantum Measurements in Optics, 93–104. Boston, MA: Springer US, 1992. http://dx.doi.org/10.1007/978-1-4615-3386-3_8.

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Yamamoto, Yoshihisa, Wayne H. Richardson, and Susumu Machida. "Quantum Mechanical Watch-Dog Effect and Measurement-Induced State Reduction in a Semiconductor Laser." In Quantum Measurements in Optics, 65–84. Boston, MA: Springer US, 1992. http://dx.doi.org/10.1007/978-1-4615-3386-3_6.

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Grangier, Philippe, Jean-François Roch, and Gérard Roger. "Quantum Non-Demolition Measurement of an Optical Intensity in a Three-Level Atomic Non-Linear System." In Quantum Measurements in Optics, 85–92. Boston, MA: Springer US, 1992. http://dx.doi.org/10.1007/978-1-4615-3386-3_7.

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Davidovich, Luiz. "Decoherence and Quantum-State Measurement in Quantum Optics." In Decoherence and Entropy in Complex Systems, 268–86. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-540-40968-7_19.

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Herkommer, A. M., H. J. Carmichael, and W. P. Schleich. "Localization of Atoms by Homodyne Measurement." In Coherence and Quantum Optics VII, 543–44. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4757-9742-8_144.

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Milburn, G. J., and B. C. Sanders. "Preparation of Nonclassical States by Conditional Measurement." In Coherence and Quantum Optics VI, 753–57. Boston, MA: Springer US, 1990. http://dx.doi.org/10.1007/978-1-4613-0847-8_138.

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Conference papers on the topic "Quantum optics Measurement"

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Boyd, Robert W. "Quantum Nonlinear Optics: Nonlinear Optics Meets the Quantum World." In Quantum Information and Measurement. Washington, D.C.: OSA, 2014. http://dx.doi.org/10.1364/qim.2014.qtu2a.1.

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Roussel, Benjamin, Clément Cabart, and Pascal Degiovanni. "Quantum signal processing for electron quantum optics." In Quantum Information and Measurement. Washington, D.C.: OSA, 2017. http://dx.doi.org/10.1364/qim.2017.qw5a.1.

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Xiang, Guoyong. "Quantum collective measurement." In Quantum and Nonlinear Optics VII, edited by Kebin Shi, Chuan-Feng Li, and Dai-Sik Kim. SPIE, 2020. http://dx.doi.org/10.1117/12.2575258.

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Zadeh, Iman Esmaeil, Ali Elshaari, Johannes W. N. Los, Ronan Gourgues, Julien Zichi, Sander Dorenbos, Michael E. Reimer, et al. "Scalable quantum optics with nanowires." In Quantum Information and Measurement. Washington, D.C.: OSA, 2019. http://dx.doi.org/10.1364/qim.2019.f4a.5.

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Lipson, Michal. "Silicon Photonic Platform for Quantum Optics." In Quantum Information and Measurement. Washington, D.C.: OSA, 2013. http://dx.doi.org/10.1364/qim.2013.w5a.1.

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Aaronson, Scott, and Alex Arkhipov. "The Computational Complexity of Linear Optics." In Quantum Information and Measurement. Washington, D.C.: OSA, 2014. http://dx.doi.org/10.1364/qim.2014.qth1a.2.

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Yokoyama, Shota, Nicola Dalla Pozza, Takahiro Serikawa, Katanya B. Kuntz, Trevor A. Wheatley, Daoyi Dong, Elanor H. Huntington, and Hidehiro Yonezawa. "The Quantum Entanglement of Measurement." In Frontiers in Optics. Washington, D.C.: OSA, 2017. http://dx.doi.org/10.1364/fio.2017.fth3e.6.

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Hayat, Alex, Pavel Ginzburg, David Neiman, Serge Rosenblum, and Meir Orenstein. "Photon-Hole Quantum Nondemolition Measurement." In Frontiers in Optics. Washington, D.C.: OSA, 2008. http://dx.doi.org/10.1364/fio.2008.fmh7.

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Gaeta, Alex. "Nonlinear Optics at the Few-Photon Level." In Quantum Information and Measurement. Washington, D.C.: OSA, 2013. http://dx.doi.org/10.1364/qim.2013.th1.2.

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Chakhmakhchyan, Levon, and Nicolas J. Cerf. "Simulating Universal Gaussian Circuits with Linear Optics." In Quantum Information and Measurement. Washington, D.C.: OSA, 2019. http://dx.doi.org/10.1364/qim.2019.f4b.4.

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Reports on the topic "Quantum optics Measurement"

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Pfeifer, K. B., and M. W. Jenkins. A fiber optic test system for quantum efficiency measurements. Office of Scientific and Technical Information (OSTI), May 1989. http://dx.doi.org/10.2172/5988907.

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