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Related papers: Polarization quantum properties in type-II Optical…

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The elastic light-light scattering below the threshold of the $e^+e^-$ pair production leads to a variation in polarization of hard $\gamma$-quanta traversing without loss a region where the laser light is focused. Equations are obtained…

High Energy Physics - Phenomenology · Physics 2009-10-30 G. L. Kotkin , V. G. Serbo

Light from any physical source diffracts over space, as spherical wavefronts grow and energy density is spread out. Diffractive effects pose fundamental limits to light-based technologies, including communications, spectroscopy, and…

We investigate the spatial overlap of nonclassical ultrashort light pulses produced by self-phase modulation effect in electronic Kerr media and its relevance in the formation of polarization-squeezed states of light. The light polarization…

Quantum Physics · Physics 2007-05-23 F. Popescu

Within the frame of quantized dark-state polaritons in electromagnetically-induced-transparency media, noise fluctuations in the quadrature components are studied. Squeezed state transfer, quantum correlation, and noise entanglement between…

Quantum Physics · Physics 2023-07-19 You-Lin Chuang , Ite A. Yu , Ray-Kuang Lee

We show that spatial entanglement of two twin images obtained by parametric down-conversion is complete, i.e. concerns both amplitude and phase. This is realised through a homodyne detection of these images which allows for measurement of…

Quantum Physics · Physics 2007-05-23 Enrico Brambilla , Alessandra Gatti , Patrick Navez , Luigi A. Lugiato

Normalized quantum Stokes operators introduced in [Phys. Rev. A {\bf 95}, 042113 (2017)] enable one to better observe non-classical correlations of entangled states of optical fields with undefined photon numbers. For a given run of an…

Quantum Physics · Physics 2018-03-02 Junghee Ryu , Marcin Marciniak , Marcin Wieśniak , Dagomir Kaszlikowski , Marek Żukowski

The polarization splitting of the exciton ground state in two laterally coupled quantum dots under an in-plane electric field is investigated and its effective tuning is designed. It is found that there are significant Stark effect and…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Jia-Lin Zhu , Dong Xu

For stationary light fields, manifestation of statistical properties such as coherence and polarization are attributed to the same physical phenomena, i.e. correlations in fluctuations of optical fields. In order to explain various…

Optics · Physics 2021-05-25 Bhaskar Kanseri , Deepa Joshi

Advances in the ability to manipulate free electron phase profiles within the electron microscope have spurred development of quantum-mechanical descriptions of electron energy loss (EEL) processes involving transitions between phase-shaped…

Mesoscale and Nanoscale Physics · Physics 2024-02-09 Marc R. Bourgeois , Austin G. Nixon , Matthieu Chalifour , David J. Masiello

The Stokes V parameter characterizes asymmetry of amplitudes between right- and left-handed waves, and non-vanishing value of the V parameter yields a circularly polarized signal. Cosmologically, V parameter may be a direct probe for parity…

Astrophysics · Physics 2008-11-26 Naoki Seto , Atsushi Taruya

Experiments and their interpretation on polarization dynamics and polarization switching in vertical-cavity surface-emitting lasers operated in the fundamental transverse mode regime are reviewed. Important observations are switching events…

Optics · Physics 2025-07-14 Thorsten Ackemann , Markus Sondermann

This work analyses the quantum properties of counter-propagating twin beams generated by a Mirrorless Optical Parametric Oscillator in the continuous variable regime. Despite the lack of the filtering effect of a cavity, we show that in the…

Quantum Physics · Physics 2017-07-19 A. Gatti , T. Corti , E. Brambilla

The transport properties of exciton-polaritons are studied with allowance for their polarization. Both classical multiple scattering effects and quantum effects such as weak localization are taken into account in the framework of a…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 M. M. Glazov , L. E. Golub

A new device to generate polarization-entangled light in the continuous variable regime is introduced. It consists of an Optical Parametric Oscillator with two type-II phase-matched non-linear crystals orthogonally oriented, associated with…

Quantum Physics · Physics 2016-08-16 Julien Laurat , Gaëlle Keller , Claude Fabre , Thomas Coudreau

We analyze the formation of polarization-squeezed light in a medium with electronic Kerr nonlinearity. Quantum Stokes parameters are considered and the spectra of their quantum fluctuations are investigated. It is established that the…

Quantum Physics · Physics 2007-05-23 F. Popescu

The pseudo-spin dynamics of propagating exciton-polaritons in semiconductor microcavities are known to be strongly influenced by TE-TM splitting. As a vivid consequence, in the Rayleigh scattering regime, the TE-TM splitting gives rise to…

It was generally assumed that the Stokes parameters are complete characterization for the state of polarization of a plane light wave so that their counterparts in quantum optics, called the Stokes operators, represent the polarization of…

Optics · Physics 2023-09-25 Chun-Fang Li , Zhi-Juan Hu

For paraxial light beams and electromagnetic fields, the Stokes vector and polarization matrix provide equivalent scalar measures of optical chirality, widely used in linear optics. However, growing interest in non-paraxial fields, with…

Optics · Physics 2025-05-23 Kayn A. Forbes , David L. Andrews

Previous studies of lasers and nonlinear resonators have revealed that the polarisation degree of freedom allows for the formation of polarisation patterns and novel localized structures, such as vectorial defects. Type II optical…

We investigate the spatial quantum noise properties of the one dimensional transverse pattern formation instability in intra-cavity second-harmonic generation. The Q representation of a quasi-probability distribution is implemented in terms…

Quantum Physics · Physics 2007-05-23 M. Bache , P. Scotto , R. Zambrini , M. San Miguel , M. Saffman