Academic literature on the topic 'Nonclassical states of light'

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Journal articles on the topic "Nonclassical states of light"

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Kim, Kisik. "Variation of nonclassical states of light." Journal of the Korean Physical Society 72, no. 1 (January 2018): 192–95. http://dx.doi.org/10.3938/jkps.72.192.

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Kim, Kisik. "Nonclassical states, measurements, and phenomena of light." Journal of the Korean Physical Society 64, no. 1 (January 2014): 155–58. http://dx.doi.org/10.3938/jkps.64.155.

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Luis, A., and L. L. Sanchez-Soto. "Nonclassical states of light and canonical transformations." Journal of Physics A: Mathematical and General 24, no. 9 (May 1, 1991): 2083–92. http://dx.doi.org/10.1088/0305-4470/24/9/018.

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George, Lijo T., C. Sudheesh, S. Lakshmibala, and V. Balakrishnan. "Ehrenfest’s theorem and nonclassical states of light." Resonance 17, no. 1 (January 2012): 23–32. http://dx.doi.org/10.1007/s12045-012-0004-0.

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George, Lijo T., C. Sudheesh, S. Lakshmibala, and V. Balakrishnan. "Ehrenfest’s theorem and nonclassical states of light." Resonance 17, no. 2 (February 2012): 192–211. http://dx.doi.org/10.1007/s12045-012-0018-7.

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Javed, Sunia, Hadiah Bint Monir, Naila Amir, and Shahid Iqbal. "Engineering nonclassical SU(1,1) coherent states of light by multiphoton excitation." Laser Physics 32, no. 11 (October 7, 2022): 115201. http://dx.doi.org/10.1088/1555-6611/ac92dd.

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Abstract Quantum optical systems with nonclassical features play a vital role in the physical implementation of a large variety of quantum technologies, such as quantum metrology, quantum information processing, and quantum computation protocols, and hence are important to exploit the quantum advantage. In this work, we construct a general class of nonclassical coherent states (CSs) of light and present a scheme to enhance their nonclassicality by multiphoton excitation. In particular, using various optical realizations of s u ( 1 , 1 ) Lie algebra, we construct CSs of light following Barut-Girardello formalism and then perform the multiphoton discrete excitation on these continuous-variable optical CSs. We investigate the nonclassical features by analyzing the photon-counting probability distribution, Mandel Q − parameter, quadrature squeezing, and Wigner quasi-probability distribution. Our numerical results show that, for a particular set of parametric values, these multiphoton excited states exhibit sub-Poisson photon-counting statistics, quadrature squeezing, and negativity of Wigner distribution, which are indicators of nonclassicality. Moreover, it is shown that the nonclassical nature of these states gets enhanced as the photon-excitation number increases.
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Shukla, Pramila, Shivani A. Kumar, and Shefali Kanwar. "Interaction of Light with matter: nonclassical phenomenon." Physics and Chemistry of Solid State 23, no. 1 (January 19, 2022): 5–15. http://dx.doi.org/10.15330/pcss.23.1.5-15.

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Matter and light interaction has very important applications in classical as well as in nonclassical field. In classical mechanics charged particle interact with oscillating field. In quantum mechanics interaction of light is with quantum states. In this paper we review important nonclassical phenomenon and their applications have been observed in last few years.
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Gilles, L., and P. L. Knight. "Two-photon absorption and nonclassical states of light." Physical Review A 48, no. 2 (August 1, 1993): 1582–93. http://dx.doi.org/10.1103/physreva.48.1582.

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Katriel, Jacob, and Allan I. Solomon. "Nonideal lasers, nonclassical light, and deformed photon states." Physical Review A 49, no. 6 (June 1, 1994): 5149–51. http://dx.doi.org/10.1103/physreva.49.5149.

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Horoshko, Dmitri, Stephan De Bièvre, Giuseppe Patera, and Mikhail Kolobov. "Thermal-difference states of light: true states of heralded photons." EPJ Web of Conferences 198 (2019): 00010. http://dx.doi.org/10.1051/epjconf/201919800010.

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We introduce a three-parameter family of single-mode optical states whose density operator is a weighted difference of two thermal states, the thermal-difference states. We identify the parameter values for which these states have a negative non-singular P-function, implying they are nonclassical. We show that the states of the “heralded photons” generated via spontaneous parametric downconversion belong to this family, with the three parameters corresponding to the nonlinear gain and the losses in the signal and the idler channels. The thermal-difference states yield new benchmark states for the analysis of nonclassicality and quantum macroscopicity criteria.
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Dissertations / Theses on the topic "Nonclassical states of light"

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Achilles, Daryl. "Generation and characterisation of multiphoton nonclassical states of light." Thesis, University of Oxford, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.442123.

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Baune, Christoph [Verfasser]. "Frequency up-conversion of nonclassical states of light / Christoph Baune." Hannover : Technische Informationsbibliothek (TIB), 2016. http://d-nb.info/111695611X/34.

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Thomsen, Laura Kathrine Wehde, and n/a. "Using Quantum Feedback to Control Nonclassical Correlations in Light and Atoms." Griffith University. School of Science, 2004. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20040406.124012.

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This thesis considers two types of applications of quantum feedback control; feedback creation of nonclassical states of light, and controlling nonclassical properties of an ensemble of atoms. An electro-optical feedback loop will create an in-loop field with nonclassical photon statistics similar to squeezed light, resulting in fluorescence line-narrowing of a two-level atom coupled to such light. We extend this theory to study a three-level atom coupled to broadband squashed light, and confirm the two-level atom line-narrowing using a more realistic non-Markovian description of the feedback loop. The second type of application utilizes continuous QND measurement of atomic ensembles. If we measure the collective spin, then the system experiences conditional spin squeezing dependent on the measurement results. We show that feedback based on these results can continuously drive the system into the same conditioned state, resulting in deterministically reproducible spin squeezing. If we measure the atom number fluctuations of a BEC, then, due to the nonlinearity of atomic self interactions, this is also information about phase fluctuations. We show that feedback based on this information can greatly reduce the collisional broadening of the linewidth of an atom laser out-coupled from the condensate.
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Thomsen, Laura Kathrine Wehde. "Using Quantum Feedback to Control Nonclassical Correlations in Light and Atoms." Thesis, Griffith University, 2004. http://hdl.handle.net/10072/367297.

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This thesis considers two types of applications of quantum feedback control; feedback creation of nonclassical states of light, and controlling nonclassical properties of an ensemble of atoms. An electro-optical feedback loop will create an in-loop field with nonclassical photon statistics similar to squeezed light, resulting in fluorescence line-narrowing of a two-level atom coupled to such light. We extend this theory to study a three-level atom coupled to broadband squashed light, and confirm the two-level atom line-narrowing using a more realistic non-Markovian description of the feedback loop. The second type of application utilizes continuous QND measurement of atomic ensembles. If we measure the collective spin, then the system experiences conditional spin squeezing dependent on the measurement results. We show that feedback based on these results can continuously drive the system into the same conditioned state, resulting in deterministically reproducible spin squeezing. If we measure the atom number fluctuations of a BEC, then, due to the nonlinearity of atomic self interactions, this is also information about phase fluctuations. We show that feedback based on this information can greatly reduce the collisional broadening of the linewidth of an atom laser out-coupled from the condensate.
Thesis (PhD Doctorate)
Doctor of Philosophy (PhD)
School of Science
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Fedortchenko, Sergueï. "The ultrastrong coupling regime as a resource for the generation of nonclassical states of light." Thesis, Sorbonne Paris Cité, 2017. http://www.theses.fr/2017USPCC279/document.

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Depuis l’avènement de la mécanique quantique, l’étude des interactions lumière-matière à l’échelle quantique s’est énormément développée en tant que domaine de recherche. Par exemple, grâce à des prédictions théoriques surprenantes, des interactions d’une force sans précédant ont été démontrées entre de la matière et des radiations terahertz et microonde. Ces résultats correspondent à un régime dit de couplage ultrafort, atteint lorsque l’énergie d’interaction devient comparable aux énergies propres de la lumière et de la matière lorsque celles-ci n’interagissent pas. Dans ce régime, des propriétés intrigantes peuvent subsister telles que la présence de photons même lors qu’aucune énergie n’est fournie au système. Cependant, ces photons ne peuvent, a priori, être émis du système vers l’extérieur de manière à pouvoir être mesurés et par conséquent démontrer ces propriétés.Dans cette thèse, nous avons étudié ces propriétés intrigantes et proposé plusieurs moyens permettant d’y accéder expérimentalement. Nous nous sommes appuyés sur plusieurs plate-formes physiques qui sont de bon candidats pour ces études, et pour chacun de ces systèmes nous avons mis au point un modèle mettant en évidence ces propriétés d’une manière ou d’une autre. De cette façon, nous avons exploré le lien entre le régime de couplage ultrafort et la génération d’états non-classiques de la lumière. En outre, dans une étude plus ouverte nous avons montré que les interactions lumière- matière dans l’une de ces plate-formes peuvent être utilisés pour concevoir des protocols de communication quantique. En plus de montrer un intérêt fondamental, nos résultats s’inscrivent dans une optique de développement d’applications pour les technologies quantiques en utilisant différents systèmes expérimentaux disponibles actuellement
Since the advent of quantum mechanics, the study of light-matter interactions at thequantum level has been greatly developed as a research field. For instance, surprisingtheoretical predictions gave rise to experiments with unprecedented interactionstrengths between matter, and terahertz and microwave radiations. These results correspondto the so-called ultrastrong coupling regime, that is reached when the interactionenergy becomes comparable to the typical energies of the light and matter when they arenot interacting. In this regime, intriguing properties can be found such as the presenceof photons even when no energy is given to the system. However, these photons cannot,a priori, be emitted from the system to the outside world in order to be measured andtherefore demonstrate these properties. In this thesis, we studied these intriguing properties and proposed several means toaccess them experimentally. We relied on several physical platforms which are goodcandidates for such studies, and for each one of these systems we devised a model thatcan evidence these properties one way or another. By doing so, we explored the linkbetween the ultrastrong coupling regime and the generation of nonclassical states oflight. Additionally, as an outlook we showed that the light-matter interactions in oneof these platforms could be used to design quantum communication protocols. On topof showing fundamental interest, our results fit in the line of developing applications forquantum technologies using different experimentally available systems
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Lolli, Jared. "Quantum Measurement and Feedback Control of highly nonclassical Photonic States." Thesis, Sorbonne Paris Cité, 2017. http://www.theses.fr/2017USPCC223/document.

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Ces dernières années, les progrès réalisés dans le contrôle de l'interaction lumière-matière au niveau quantique ont conduit à de nombreuses avancées en optique quantique, en particulier dans l'étude de phénomènes quantiques fondamentaux, dans la conception de systèmes quantiques artificiels et dans les applications en information quantique. Il a notamment été possible d'augmenter considérablement l'intensité de l'interaction lumière-matière et de contrôler le couplage de systèmes quantiques à leur environnement, afin d'obtenir des états non conventionnels et fortement non classiques. Cependant, pour exploiter ces états quantiques en vue d'applications technologiques, il est crucial de pouvoir mesurer et contrôler ces systèmes avec précision. Dans ce contexte, ce travail de thèse est consacré à l'étude de nouveaux protocoles pour la mesure et le contrôle de systèmes quantiques dans lesquels des fortes interactions et des symétries particuliers conduisent à la génération d'états fortement non classiques. Nous nous intéressons dans un premier temps au régime de couplage ultra-fort de l'électrodynamique quantique en cavité (et de circuit). Plus précisément, l'état de fondamental n'est plus le vide standard, car il devient énergiquement favorable qu'il contienne des photons.Dans ce régime on peut même obtenir des chat de Schrödinger comme état fondamental.En revanche, pour assurer la conservation de l'énergie, les photons contenus dans ce vide exotique sont liés à la cavité et ne peuvent pas s'échapper dans l'environnement. Cela signifie qu'ils ne peuvent être mesurés par simple photodétection. Nous proposons dans ce travail un protocole spécialement conçu pour surmonter cette difficulté. Nous montrons qu'il est possible de déduire les propriétés photoniques de l'état fondamental à partir du déplacement de Lamb d'un système à deux niveaux auxiliaire.Les résonateurs optiques à paires de photons constituent une autre classe de systèmes dans lesquels la symétrie de parité conduit à des états quantiques non conventionnels. Grâce à "l'ingénierie de réservoir", il est aujourd'hui possible de contrôler l'interaction d'un système avec son environnement, de façon à le stabiliser dans des états quantiques particulièrement intéressants. En particulier, quand un résonateur (une cavité optique) est couplé à l'environnement par échange de paires de photons, il est possible de créer de chats de Schrödinger optiques dans la dynamique transitoire du système. Les corrélations quantiques de ces états sont par contre rapidement perdues en raison de la présence inévitable de dissipation à un photon. Protéger le système contre cette perturbation est le but du protocole de feedback basé sur la parité que nous présentons dans cette thèse
In recent years, the field of quantum optics has thrived thanks to the possibility of controlling light-matter interaction at the quantum level.This is relevant for the study of fundamental quantum phenomena, the generation of artificial quantum systems, and for quantum information applications.In particular, it has been possible to considerably increase the intensity of light-matter interaction and to shape the coupling of quantum systems to the environment, so to realise unconventional and highly nonclassical states.However, in order to exploit these quantum states for technological applications, the question of how to measure and control these systems is crucial.Our work is focused on proposing and exploring new protocols for the measurement and the control of quantum systems, in which strong interactions and peculiar symmetries lead to the generation of highly nonclassical states.The first situation that we consider is the ultrastrong coupling regime in cavity (circuit) quantum electrodynamics.In this regime, it becomes energetically favourable to have photons and atomic excitations in the ground state, that is no more represented by the standard vacuum.In particular, in case of parity symmetry, the ground state is given by a light-matter Schrödinger cat state.However, according to energy conservation, the photons contained in these exotic vacua are bound to the cavity, and cannot be emitted into the environment.This means that we can not explore and control them by simple photodetection.In our work we propose a protocol that is especially designed to overcome this issue.We show that we can infer the photonic properties of the ground state from the Lamb shift of an ancillary two-level system.Another class of systems in which the fundamental parity symmetry leads to very unconventional quantum states is given by two-photon driven-dissipative resonators.Thanks to the reservoir engineering, it is today possible to shape the interaction with the environment to stabilize the system in particularly interesting quantum states.When a resonator (an optical cavity) exchanges with the environment by pairs of photons, it has been possible to observe the presence of optical Schrödinger cat states in the transient dynamics of the system.However, the quantum correlations of these states quickly decays due to the unavoidable presence of one-photon dissipation.Protecting the system against this perturbation is the goal of the parity triggered feedback protocol that we present in this thesis
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Milanović, Josip [Verfasser], and Gerd [Akademischer Betreuer] Leuchs. "Generation of Nonclassical Polarization States of Intense Light using PhotonicCrystal Fibers / Josip Milanovic. Betreuer: Gerd Leuchs." Erlangen : Universitätsbibliothek der Universität Erlangen-Nürnberg, 2013. http://d-nb.info/1031317848/34.

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Souza, Douglas Delgado de 1987. "Informação quântica com estados coerentes comprimidos da luz." [s.n.], 2015. http://repositorio.unicamp.br/jspui/handle/REPOSIP/276940.

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Orientador: Antonio Vidiella Barranco
Tese (doutorado) - Universidade Estadual de Campinas, Instituto de Física Gleb Wataghin
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Resumo: Na primeira parte deste trabalho seguimos os estudos de Hirota e colaboradores e definimos quatro estados quase-Bell baseados em estados coerentes comprimidos da luz. Dois desses estados são maximamente emaranhados, enquanto o emaranhamento dos outros dois depende apenas da sobreposição entre os estados coerentes comprimidos que os compõem. A partir destes estados quase-Bell, definimos novos estados interpolados cujo emaranhamento é também governado por um parâmetro de interpolação adicional e estudamos algumas das propriedades destes estados (emaranhamento e eficiência energética). Por fim, usamos estes estados e definimos alguns estados de Werner, com os quais analisamos de forma simples uma possível influência de um ambiente dissipativo parametrizado pela probabilidade de o estado de Werner estar em sua forma emaranhada ou misturada. Para esta análise usamos os conceitos de separabilidade e emaranhamento. Na segunda parte estudamos a estimativa de fase quântica usando estados gaussianos puros (estados coerentes comprimidos). Iniciamos com a estimativa da fase introduzida por um operador unitário em cujo hamiltoniano está presente uma perturbação linear nos operadores de criação e aniquilação, além do operador de número de fótons responsável pela evolução de fase (perturbação linear unitária). Obtemos quais são os estados gaussianos ótimos para a estimativa desta fase e analisamos a optimalidade da detecção homódina. A seguir, consideramos o parâmetro de perturbação como uma variável aleatória que obedece a uma distribuição gaussiana de probabilidades (perturbação linear aleatória) e novamente obtemos os estados de sonda ótimos e analisamos a optimalidade da detecção homódina. Por fim, estudamos a estimativa de fase com perturbação linear unitária utilizando os estados quase-Bell interpolados definidos na primeira parte deste trabalho e verificamos que a utilização de emaranhamento permite uma melhor estimativa de fase para uma mesma energia disponível
Abstract: In the first part of this work we follow the studies of Hirota and collaborators and we define four quasi-Bell states based on squeezed coherent states of light. Two of these states are maximally entangled, while the entanglement of the other two depends only on the overlap between the squeezed coherent states that were combined. From these quasi-Bell states we define new interpolated states for which the entanglement is also governed by an additional interpolation parameter, and we study some of the properties of these states (entanglement and energy efficiency). Finally, we use these states to define some Werner states, which we use to study in a simple way the possible influence of some dissipative environment parameterized by the probability that the Werner state is entangled or mixed. For this analysis we use the concepts of separability and entanglement. In the second part, we study the quantum phase estimation using pure Gaussian states (squeezed coherent states). We begin with the estimation of the phase introduced by a unitary operator whose Hamiltonian also contains a disturbance that is linear in the creation and annihilation operators in addition to the photon number operator responsible for the phase evolution (unitary linear disturbance). We find what are the optimal Gaussian states for this phase estimation and we also analyze the optimality of the homodyne detection. Next, we consider the disturbance parameter to be a random variable submitted to a Gaussian distribution (random linear disturbance) and again we find what are the optimal probe states and analyze the optimality of the homodyne detection. Finally we study the phase estimation with unitary linear disturbance using the interpolated quasi-Bell states defined in the first part of this work and we verify that the use of entanglement leads to a better phase estimation for the same amount of available energy
Doutorado
Física
Doutor em Ciências
2011/00220-5
FAPESP
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Soares, Antonio Augusto. "Manipulação de estados quânticos da luz via espelhos semi-transparentes." [s.n.], 2002. http://repositorio.unicamp.br/jspui/handle/REPOSIP/277389.

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Orientador: Antonio Vidiella Barranco
Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Fisica Gleb Wataghin
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Resumo: Não informado
Abstract: Not informed
Mestrado
Física
Mestre em Física
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Denker, Timo [Verfasser]. "High-precision metrology with high-frequency nonclassical light sources / Timo Denker." Hannover : Technische Informationsbibliothek (TIB), 2016. http://d-nb.info/1112948473/34.

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Books on the topic "Nonclassical states of light"

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V, Dodonov V., and Manʹko V. I, eds. Theory of nonclassical states of light. London: Taylor & Francis, 2003.

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NATO, Advanced Research Workshop on Squeezed and Non-classical Light (1988 Cortina d'Ampezzo Italy). Squeezed and nonclassical light. New York: Plenum Press, 1989.

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Tombesi, P., and E. R. Pike, eds. Squeezed and Nonclassical Light. Boston, MA: Springer US, 1989. http://dx.doi.org/10.1007/978-1-4757-6574-8.

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Kim, Jungsang, Seema Somani, and Yoshihisa Yamamoto. Nonclassical Light from Semiconductor Lasers and LEDs. Berlin, Heidelberg: Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-56814-5.

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Kim, Jungsang. Nonclassical Light from Semiconductor Lasers and LEDs. Berlin, Heidelberg: Springer Berlin Heidelberg, 2001.

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Furusawa, Akira. Quantum States of Light. Tokyo: Springer Japan, 2015. http://dx.doi.org/10.1007/978-4-431-55960-3.

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Howard, Grotch, and Shelyuto Valery A, eds. Theory of light hydrogenic bound states. Berlin: Springer, 2007.

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Dappiaggi, Claudio, Valter Moretti, and Nicola Pinamonti. Hadamard States from Light-like Hypersurfaces. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-64343-4.

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By dawn's early light. New York: Forge, 2003.

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James, Dickey, ed. Southern light. Birmingham, Ala: Oxmoor House, 1991.

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Book chapters on the topic "Nonclassical states of light"

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Björk, Gunnar, Olle Nilsson, Yoshihisa Yamamoto, and Susumu Machida. "Generation of Number-Phase Squeezed States." In Squeezed and Nonclassical Light, 185–201. Boston, MA: Springer US, 1989. http://dx.doi.org/10.1007/978-1-4757-6574-8_14.

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D’Ariano, G. M., M. G. Rasetti, J. Katriel, and A. I. Solomon. "Multiphoton and Fractional-Photon Squeezed States." In Squeezed and Nonclassical Light, 301–19. Boston, MA: Springer US, 1989. http://dx.doi.org/10.1007/978-1-4757-6574-8_22.

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Hammerer, Klemens, Claudiu Genes, David Vitali, Paolo Tombesi, Gerard Milburn, Christoph Simon, and Dirk Bouwmeester. "Nonclassical States of Light and Mechanics." In Cavity Optomechanics, 25–56. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-55312-7_3.

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Bullough, R. K., G. S. Agarwal, B. M. Garraway, S. S. Hassan, G. P. Hildred, S. V. Lawande, N. Nayak, et al. "Giant Quantum Oscillators from Rydberg Atoms: Atomic Coherent States and Their Squeezing from Rydberg Atoms." In Squeezed and Nonclassical Light, 81–106. Boston, MA: Springer US, 1989. http://dx.doi.org/10.1007/978-1-4757-6574-8_7.

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Schleich, Wolfgang P. "Phase Space, Correspondence Principle and Dynamical Phases: Photon Count Probabilities of Coherent and Squeezed States via Interfering Areas in Phase Space." In Squeezed and Nonclassical Light, 129–49. Boston, MA: Springer US, 1989. http://dx.doi.org/10.1007/978-1-4757-6574-8_10.

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Luis, A., and L. L. Sánchez-Soto. "Nonclassical States of Light and Canonical Transformations." In Springer Proceedings in Physics, 60–64. Berlin, Heidelberg: Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-76373-1_7.

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Kim, Jungsang, Seema Somani, and Yoshihisa Yamamoto. "Nonclassical Light." In Nonclassical Light from Semiconductor Lasers and LEDs, 1–11. Berlin, Heidelberg: Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-56814-5_1.

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Gu, Q. "Biophotons and Nonclassical Light." In Biophotons, 299–321. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-017-0928-6_20.

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Slusher, R. E., A. LaPorta, P. Grangier, and B. Yurke. "Pulsed Squeezed Light." In Squeezed and Nonclassical Light, 39–53. Boston, MA: Springer US, 1989. http://dx.doi.org/10.1007/978-1-4757-6574-8_3.

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Walls, D. F., P. D. Drummond, A. S. Lane, M. A. Marte, M. D. Reid, and H. Ritsch. "Quantum Noise Reduction in Optical Systems." In Squeezed and Nonclassical Light, 1–27. Boston, MA: Springer US, 1989. http://dx.doi.org/10.1007/978-1-4757-6574-8_1.

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Conference papers on the topic "Nonclassical states of light"

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Caves, Carlton M. "Nonclassical states of light." In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1989. http://dx.doi.org/10.1364/oam.1989.tujj1.

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Nonclassical light has the potential to provide improvements in signal-to-noise ratio in a variety of applications. This tutorial provides a characterization of nonclassical light, describes its two present manifestations—quadrature-squeezed and number-squeezed (antibunched) light — discusses methods for generating and detecting these two kinds of nonclassical light, and considers potential applications with a critical view as to when nonclassical light might be useful.
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Shringarpure, Saurabh U., Cory M. Nunn, Todd B. Pittman, and James D. Franson. "Noiseless Attenuation of Nonclassical States of Light." In CLEO: QELS_Fundamental Science. Washington, D.C.: OSA, 2021. http://dx.doi.org/10.1364/cleo_qels.2021.ftu4g.4.

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Yuzhu, Wang, Li Yongqing, and Yin Jiangping. "Generation of nonclassical states of the light by electro-optic nonlinear effects." In Nonlinear Optics. Washington, D.C.: Optica Publishing Group, 1992. http://dx.doi.org/10.1364/nlo.1992.tub7.

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Optical nonlinearity is an important process for generating nonclassical states of the light such as squeezed states[1] and nonclassical correlation states [2]. We will demonstrate a new type of nonlinearity, electro-optic nonlinearity in a hybrid AOM device, for generating nonclassical states. The electro-optic nonlinearity in the hybrid devices has been widely used in the studies of optical bistability and chaos [3]. The main difference between the hibrid OB device and our squeezing AOM device is that in the OB case the feedback optic-electron signal is in relation to the intensity of the output light, but in the squeezing case the feedback signal is proportional to the photocurrent fluctution which is in relation to the quadrature phase fluctuation or to the intensity fluctuation of the output light.
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Alodjants, Alexander P., Andrei Y. Leksin, and Sergei M. Arakelian. "Quantum polarimeter for measurement of nonclassical polarization states of light." In New Trends in Atomic and Molecular Spectroscopy, edited by Gagik G. Gurzadyan and Artashes V. Karmenyan. SPIE, 1999. http://dx.doi.org/10.1117/12.375304.

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Kalachev, Alexei A., and Vitaly V. Samartsev. "Amplification of nonclassical states of light under triggered superradiance regime." In SPIE Proceedings, edited by Vitaly V. Samartsev. SPIE, 2004. http://dx.doi.org/10.1117/12.562210.

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Hillery, M., and D. Yu. "Exception to the cloning limit—amplification of amplitude-squared squeezed states." In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1991. http://dx.doi.org/10.1364/oam.1991.moo3.

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An amplifier consists of a collection of inverted two-level atoms. It can be used to amplify a light signal but in the process the fluctuation behavior of the lights will be modified. In particular, for sufficiently large gains, nonclassical input states will become classical at the output. Hong, Friberg, and Mandel examined the effect of amplification on sub-Poissonian photon statistics and normal squeezing. They found that both of these effects disappear at the output if the intensity gain |G|2 > 2. The gain |G|2 = 2 is known as the photon cloning limit because one gets two photons out for every one that goes in. This gain has stood as an upper limit for the amplification of nonclassical behavior.
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Kögler, Roger A., Gabriel C. Rickli, Renato R. Domeneguetti, Xingchen Ji, Alexander L. Gaeta, Michal Lipson, Marcelo Martinelli, and Paulo A. Nussenzveig. "Covariance Matrix Reconstruction of Nonclassical Light Generated On-Chip." In CLEO: Applications and Technology. Washington, D.C.: Optica Publishing Group, 2022. http://dx.doi.org/10.1364/cleo_at.2022.jw3b.130.

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We reconstruct covariance matrices of two-mode states generated in an above-threshold on-chip optical parametric oscillator. Up to 2.3 dB squeezing is directly observed and all quadratures are measured, as a function of pump intensity.
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Karassiov, Valery P. "Nonclassical states of quantum light in polarization optics: fundamentals and some applications." In SPIE Proceedings, edited by Vitaly V. Samartsev. SPIE, 2006. http://dx.doi.org/10.1117/12.675011.

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Merlin, J., A. B. M. Ahmed, and S. Naina Mohammed. "Nonclassical features of trimodal excited coherent Greenberger - Horne - Zeilinger(GHZ) - type state." In LET THERE BE LIGHT: Reflections of a Congress on Light. Author(s), 2017. http://dx.doi.org/10.1063/1.4984173.

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Campos, Richard A., Malvin C. Teich, and B. E. A. Saleh. "Homodyne photon-number statistics for nonclassical states of light at a lossless beam splitter." In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1989. http://dx.doi.org/10.1364/oam.1989.thii6.

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Using the quantum theory of a lossless beam splitter, we determine the joint and marginal photon-number distributions at its output ports, for two arbitrary (not necessarily independent) input fields. The joint probability at the output of the beam splitter turns out to be a Fourier series in the relative phase between the output beams. Photomixing with the number states exhibits no phase sensitivity. An elementary example of phase sensitive dependence in the photon-number domain is obtained with the Bernoulli states, which are a subclass of the binomial states.1 For a joint input Bernoulli state, the probability of detecting one photon (or zero photons) at either output port varies sinusoidally with the relative phase. For independent Bernoulli states incident on the beam splitter, the results differ and depend on whether the input is in a pure or mixed state. Photomixing of other nonclassical states exhibit higher orders of phase-induced modulation of the output photon-number probabilities.
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Reports on the topic "Nonclassical states of light"

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Yurtsever, Ulvi, and Jonathan P. Dowling. Novel Nonclassical-light-assisted Protocols for Quantum Key Distribution. Fort Belvoir, VA: Defense Technical Information Center, January 2011. http://dx.doi.org/10.21236/ada566140.

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Reece, Allen D. The Strategic Utility of the United States Army Light Infantry. Fort Belvoir, VA: Defense Technical Information Center, May 1998. http://dx.doi.org/10.21236/ada357766.

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Vary, J. P., D. Chakrabarti, A. Harindranath, R. Lloyd, L. Martinovic, and J. R. Spence. Coherent States and Spontaneous Symmetry Breaking in Light Front Scalar Field Theory. Office of Scientific and Technical Information (OSTI), December 2005. http://dx.doi.org/10.2172/877489.

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Gohlke, David, and Yan Zhou. Impacts of Electrification of Light-Duty Vehicles in the United States, 2010 - 2017. Office of Scientific and Technical Information (OSTI), January 2018. http://dx.doi.org/10.2172/1418278.

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Spiewak, I. Survey of light-water-reactor designs to be offered in the United States. Office of Scientific and Technical Information (OSTI), March 1986. http://dx.doi.org/10.2172/5904676.

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Gohlke, David, and Yan Zhou. Assessment of Light-Duty Plug-in Electric Vehicles in the United States, 2010 – 2019. Office of Scientific and Technical Information (OSTI), June 2020. http://dx.doi.org/10.2172/1642114.

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Gohlke, David, and Yan Zhou. Assessment of Light-Duty Plug-in Electric Vehicles in the United States, 2010 – 2019. Office of Scientific and Technical Information (OSTI), June 2020. http://dx.doi.org/10.2172/1642115.

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Gohlke, David, and Yan Zhou. Assessment of Light-Duty Plug-In Electric Vehicles in the United States, 2010–2018. Office of Scientific and Technical Information (OSTI), March 2019. http://dx.doi.org/10.2172/1506474.

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Gohlke, David, and Yan Zhou. Assessment of Light-Duty Plug-in Electric Vehicles in the United States, 2010 – 2020. Office of Scientific and Technical Information (OSTI), June 2021. http://dx.doi.org/10.2172/1785708.

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Gohlke, David, Yan Zhou, Xinyi Wu, and Calista Courtney. Assessment of Light-Duty Plug-in Electric Vehicles in the United States, 2010 – 2021. Office of Scientific and Technical Information (OSTI), November 2022. http://dx.doi.org/10.2172/1898424.

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