Results 41 to 50 of about 15,117 (175)

Geometric phases in 2D and 3D polarized fields: geometrical, dynamical, and topological aspects

, 2019
Geometric phases are a universal concept that underpins numerous phenomena involving multi-component wave fields. These polarization-dependent phases are inherent in interference effects, spin-orbit interaction phenomena, and topological properties of ...
Alonso, Miguel A., Bliokh, Konstantin Y., Dennis, Mark R.   +2 more
core   +1 more source

The Lambrechts-Stanley Model of Configuration Spaces [PDF]

, 2018
We prove the validity over $\mathbb{R}$ of a commutative differential graded algebra model of configuration spaces for simply connected closed smooth manifolds, answering a conjecture of Lambrechts--Stanley. We get as a result that the real homotopy type
Idrissi, Najib
core   +3 more sources

Influence of Primary Coma on the Tightly Focusing Characteristics of Circular Basis Hybrid Order Poincaré Sphere Beams

Photonics
Analogous to the Poincaré sphere, a hybrid order Poincaré sphere is used to represent the ellipse field singularities (C-points). We study the tight focusing properties of generic bright and dark hybrid order Poincaré sphere beams in the presence of ...
Sushanta Kumar Pal, Rakesh Kumar Singh, Paramasivam Senthilkumaran   +2 more
doaj   +1 more source

A Tonnetz Model for pentachords [PDF]

, 2013
This article deals with the construction of surfaces that are suitable for representing pentachords or 5-pitch segments that are in the same $T/I$ class.
Cohn R, Conder M, Conway J H, Coxeter H SM, Coxeter H SM, Davis M W, Euler L, Farmer D W, Fiore T M, Fitzpatrick M, Godbillon C, Gross J, Gross J L, Grünbaum B, Jedrzejewski F, Johnson D L, Karcher H, Klein F, Lewin D, Lewin D, Luis A. Piovan, Mazzola G, Mazzola G, Mumford D, Robinson D JS, Rockwell J, Singerman D, Straus J N, Threlfall W, Tymoczko D, Tymoczko D, van Wijk J J, Weber M   +32 more
core   +2 more sources

Noncommutative metasurfaces enabled diverse quantum path entanglement of structured photons

Opto-Electronic Science
Quantum entanglement, a fundamental concept in quantum mechanics, lies at the heart of many current and future quantum technologies. A pivotal task is the generation and control of diverse quantum entangled states in a more compact and flexible manner ...
Yan Wang, Yichang Shou, Jiawei Liu, Qiang Yang, Shizhen Chen, Weixing Shu, Shuangchun Wen, Hailu Luo   +7 more
doaj   +1 more source

Constant co-polarized echo curves on the Poincare sphere

Journal of Telecommunications and Information Technology, 2001
A set of useful formulae has been presented allowing for computation of the equipower curves on the Poincare sphere of the co-polarized radar returns for both mono- and bi-static scatterings.
Zbigniew H. Czyż
doaj   +1 more source

Quantum spin Hall effect in bound states in continuum [PDF]

, 2019
Moving the polarization of the incident wave along a meridian of the Poincaré sphere, experimentally we show that the coupling with the fundamental Bloch's surface waves of the mode, provide a spatially coherent, macroscopic spinmomentum locked ...
Cabrini, S, Calafiore, G, De Luca, AC, Mocella, V, Penzo, E, Romano, S, Zito, G   +6 more
core  

Accurate measurement of a 96% input coupling into a cavity using polarization tomography

, 2018
Pillar microcavities are excellent light-matter interfaces providing an electromagnetic confinement in small mode volumes with high quality factors.
Anton, C., Hilaire, P., Kessler, C., Lanco, L., Lemaitre, A., Sagnes, I., Senellart, Pascale, Somaschi, N.   +7 more
core   +2 more sources

Photon‐Sphere Modes in Curved Optical Microcavities: A Black‐Hole Analogue Laser

Advanced Science, EarlyView.
An optical analogue of a Schwarzschild black hole is realized using curved microcavities that preserve light‐like geodesics. A new family of laser modes confined around the photon sphere is identified alongside conventional whispering‐gallery modes. Analytical theory, numerical simulations, and experiments reveal curvature‐induced confinement, enabling
Chenni Xu, Aswathy Sundaresan, Nazire‐Begüm Kazkal, Clement Lafargue, Lior Zarfaty, Li‐Gang Wang, Ofek Birnholtz, Dominique Decanini, Melanie Lebental, Patrick Sebbah   +9 more
wiley   +1 more source

Geometric Interpretation and General Classification of Three-Dimensional Polarization States through the Intrinsic Stokes Parameters

Photonics, 2021
In contrast with what happens for two-dimensional polarization states, defined as those whose electric field fluctuates in a fixed plane, which can readily be represented by means of the Poincaré sphere, the complete description of general three ...
José J. Gil
doaj   +1 more source