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Related papers: Hermite-Gaussian mode sorter

200 papers

Free-space communication links are severely affected by atmospheric turbulence, which causes degradation in the transmitted signal. One of the most common solutions to overcome this is to exploit diversity. In this approach, information is…

Signal Processing · Electrical Eng. & Systems 2018-08-22 Mitchell A. Cox , Carmelo Rosales-Guzmán , Ling Cheng , Andrew Forbes

Recent progress in ultrafast optics facilitates the investigation of the dynamics of highly multimode quantum states of light, as demonstrated by the application of electro-optic sampling to quantum states of the electromagnetic field. Yet,…

Quantum Physics · Physics 2025-06-13 Emanuel Hubenschmid , Guido Burkard

We propose a generalized spiral transformation scheme that is versatile to incorporate various types of spirals such as the Archimedean spiral and the Fermat spiral. Taking advantage of the equidistant feature, we choose the Archimedean…

Optics · Physics 2023-04-12 Jie Cheng , Chenhao Wan , Qiwen Zhan

The rapidly emerging field of deep learning-based computational pathology has shown promising results in utilizing whole slide images (WSIs) to objectively prognosticate cancer patients. However, most prognostic methods are currently…

Computer Vision and Pattern Recognition · Computer Science 2023-11-21 Mingxin Liu , Yunzan Liu , Hui Cui , Chunquan Li , Jiquan Ma

The inclusive Higgs production rate through gluon fusion has been measured to be in agreement with the Standard Model (SM). We show that even if the inclusive Higgs production rate is very SM-like, a precise determination of the boosted…

High Energy Physics - Phenomenology · Physics 2015-06-19 Matthias Schlaffer , Michael Spannowsky , Michihisa Takeuchi , Andreas Weiler , Chris Wymant

This paper analytically and numerically investigates misalignment and mode-mismatch induced power coupling coefficients and losses as a function of Hermite Gauss (HG) mode order. We show that higher-order HG modes are more susceptible to…

Instrumentation and Methods for Astrophysics · Physics 2021-05-24 Liu Tao , Jessica Kelley-Derzon , Anna C. Green , Paul Fulda

Interferometry is one of the central organizing principles of optics. Key to interferometry is the concept of optical delay, which facilitates spectral analysis in terms of time-harmonics. In contrast, when analyzing a beam in a Hilbert…

Quantum Gaussian states can be considered as the majority of the practical quantum states used in quantum communications and more generally in quantum information. Here we consider their properties in relation with the geometrically uniform…

Quantum Physics · Physics 2014-10-21 Gianfranco Cariolaro , Roberto Corvaja , Gianfranco Pierobon

High harmonic generation (HHG) is an established means of producing coherent, short wavelength, ultrafast pulses from a compact set-up. Table-top high-harmonic sources are increasingly being used to image physical and biological systems…

Two different experimental techniques for preparation and analyzing superpositions of the Gaussian and Laguerre-Gassian modes are presented. This is done exploiting an interferometric method on the one hand and using computer generated…

Quantum Physics · Physics 2009-11-07 Alipasha Vaziri , Gregor Weihs , Anton Zeilinger

We introduce continuous supersymmetric transformations to manipulate the modal content in systems of optical waveguides, providing a systematic method to design efficient and robust integrated devices such as tapered waveguides,…

Optics · Physics 2019-01-31 G. Queraltó , V. Ahufinger , J. Mompart

Ince-Gaussian (IG) mode, a recently discovered type of structured Gaussian beam, corresponds to eigenfunctions of the paraxial wave equation in elliptical coordinates. This propagation-invariant mode is of significance in various domains,…

Optics · Physics 2020-05-29 Hao-Ran Yang , Hai-Jun Wu , Wei Gao , Carmelo Rosales-Guzmán , Zhi-Han Zhu

Image-to-Image Translation is a vital area of computer vision that focuses on transforming images from one visual domain to another while preserving their core content and structure. However, this field faces two major challenges: first,…

Image and Video Processing · Electrical Eng. & Systems 2024-09-27 Wanchen Zhao

Spectral measurements play a vital role in understanding laser-plasma interactions. The ability to accurately measure the spectrum of radiation sources is crucial for unraveling the underlying physics. In this article, we introduce a novel…

Optics · Physics 2023-08-30 N. Kliss , J. Wengrowicz , J. Papeer , E. Porat , A. Zigler , Y. Frank

We study the numerical approximation of integrals over $\mathbb{R}^s$ with respect to the standard Gaussian measure for integrands which lie in certain Hermite spaces of functions. The decay rate of the associated sequence is specified by a…

Numerical Analysis · Mathematics 2017-11-16 Josef Dick , Christian Irrgeher , Gunther Leobacher , Friedrich Pillichshammer

The efficient manipulation, sorting, and measurement of optical modes and single-photon states is fundamental to classical and quantum science. Here, we realise simultaneous and efficient sorting of non-orthogonal, overlapping states of…

Quantum Physics · Physics 2023-04-12 Suraj Goel , Max Tyler , Feng Zhu , Saroch Leedumrongwatthanakun , Mehul Malik , Jonathan Leach

We provide a general decomposition of the two-photon state produced by spontaneous parametric down-conversion in Hermite-Gaussian modes, in the case that the pump beam is described by a Hermite-Gaussian beam of any order. We show that the…

Quantum Physics · Physics 2012-08-22 S. P. Walborn , A. H. Pimentel

High-order surface reconstruction is an important technique for CAD-free, mesh-based geometric and physical modeling, and for high-order numerical methods for solving partial differential equations (PDEs) in engineering applications. In…

Numerical Analysis · Mathematics 2024-12-20 Yipeng Li , Xinglin Zhao , Navamita Ray , Xiangmin Jiao

With increasing interest in using orbital angular momentum (OAM) modes in high-power laser systems, accurate mathematical descriptions of the high-intensity modes at focus are required for realistic modelling. In this work, we derive…

Optics · Physics 2020-06-24 Andrew Longman , Robert Fedosejevs

We continue the study, from a semiclassical viewpoint, of Calvo and Picon's operators, as manipulating photon states in quantum communication. In a previous paper, we defined a one-dimensional model operator and studied it analytically…

Quantum Physics · Physics 2009-03-01 Michael VanValkenburgh