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Related papers: Laguerre-Gaussian Modes and the Wigner Transform

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By employing x-Bohm theory and p-Bohm theory, we construct the position and momentum trajectories of single-mode and superposed-mode Laguerre-Gaussian (LG) beams. The dependence of divergence velocity and rotation velocity on the initial…

Optics · Physics 2024-09-25 Peng-Fei Huang , Ya Xiao , Shan-Chuan Dong , Yong-Jian Gu

We propose a scheme to distinguish the orbital angular momentum state of the Laguerre-Gaussian (LG) beam based on the electromagnetically induced transparency modulated by a microwave field in atomic ensembles. We show that the transverse…

Atomic Physics · Physics 2012-08-16 Liang Han , Mingtao Cao , Ruifeng Liu , Hao Liu , Wenge Guo , Dong Wei , Shaoyan Gao , Pei Zhang , Hong Gao

We present a novel scheme of structured light laser with an astigmatic mode converter (AMC) as intracavity element, first enabling the generation of Hermite-Gaussian (HG) modes with fully controlled two-dimensional (2D) indices (m,n) and…

Optics · Physics 2020-02-21 Jing Pan , Yijie Shen , Zhensong Wan , Xing Fu , Hengkang Zhang , Qiang Liu

Gravitational wave detectors from the advanced generation onwards are expected to be limited in sensitivity by thermal noise of the optics, making the reduction of this noise a key factor in the success of such detectors. A proposed method…

Instrumentation and Methods for Astrophysics · Physics 2015-06-03 Paul Fulda , Charlotte Bond , Daniel Brown , Frank Brückner , Ludovico Carbone , Simon Chelkowski , Stefan Hild , Keiko Kokeyama , Mengyao Wang , Andreas Freise

The rapid developments in orbital-angular-momentum-carrying Laguerre-Gaussian (LG0 l) modes in recent years have facilitated progresses in optical communication, micromanipulation and quantum information. However, it is still challenging to…

Optics · Physics 2019-01-23 Dunzhao Wei , Yue Cheng , Rui Ni , Yong Zhang , Xiaopeng Hu , Shining Zhu , Min Xiao

Recently, the generation and detection of structured light field have drawn a great deal of attention, due to their importance in high-capacity optical data storage and quantum technology. In this letter, we explore the azimuthal modulation…

Optics · Physics 2020-02-25 Seyedeh Hamideh Kazemi , Mohammad Mahmoudi

Recently, we showed experimentally that light carrying orbital angular momentum experiences a slight subluminality under free-space propagation [1]. We thank Saari [2] for pointing out an apparent discrepancy between our theoretical results…

Optics · Physics 2016-12-07 Frédéric Bouchard , Robert W. Boyd , Ebrahim Karimi

We found that small perturbations of the optical vortex core in the Laguerre-Gaussian (LG) beams generate a fine structure of the Hermite-Gauss (HG) mode spectrum. Such perturbations can be easily simulated by weak variations of amplitudes…

Optics · Physics 2023-07-19 A. Volyar , E. Abramochkin , Yu. Egorov , M. Bretsko , Ya. Akimova

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

Test-mass thermal noise is a limiting noise source for current and next-generation ground-based gravitational-wave observatories. Uniform-intensity higher-order laser beams, including Laguerre-Gaussian (LG) and Hermite-Gaussian (HG) modes,…

Instrumentation and Methods for Astrophysics · Physics 2026-05-12 Liu Tao , Yuhang Zhao , Zong-Hong Zhu , Paul Fulda

In this article, we provide analytical expressions for the photon polarization tensor in pulsed Hermite- and Laguerre-Gaussian laser beams. Our results are based on a locally constant field approximation of the one-loop Heisenberg-Euler…

High Energy Physics - Phenomenology · Physics 2017-12-06 Felix Karbstein , Elena A. Mosman

The self-healing property of laser beams is of great interest. And a laser beam with spatial structures is also widely concerned due to its important applications in lots of areas. We theoretically and experimentally investigate the…

Optics · Physics 2021-12-22 Suyi Zhao , Zilong Zhang , Yuan Gao , Xin Wang , YuChen Jie , Changming Zhao

We experimentally demonstrate the conversion of a fundamental $\text{TEM}_{00}$ laser mode at 1064\,nm to higher order Hermite-Gaussian modes (HG) of arbitrary order via a commercially available liquid crystal Spatial Light Modulator (SLM).…

General Relativity and Quantum Cosmology · Physics 2021-02-24 Stefan Ast , Sibilla Di Pace , Jacques Millo , Mikhael Pichot , Margherita Turconi , Walid Chaibi

The Ince-Gaussian modes form a complete set of solutions to the paraxial wave equation parametrized by an ellipticity parameter {\epsilon}, enabling a continuous transition between Laguerre-Gaussian and Hermite-Gaussian modes While each…

Reflection and transmission of narrow beams at a dielectric interface is analysed. It is confirmed that for arbitrary incidence two types of beams - Elegant Hermite-Gaussians of linear polarization and Elegant Laguerre-Gaussians of circular…

Optics · Physics 2013-02-19 Wojciech Nasalski

The use of structured light to drive highly nonlinear processes in matter not only enables imprinting spatially-resolved properties onto short-wavelength radiation, but also opens alternative avenues for exploring the dynamics of nonlinear…

We present an experimental demonstration of a Laguerre-Gauss (LG) spectrum measurement technique using variable focus lenses that is able to measure the strengths of all modes present in an unknown, incoming light beam with the highest…

In optics, mode conversion is an elegant way to switch between Hermite Gaussian and Laguerre Gaussian beam profiles and thereby impart orbital angular momentum onto the beam and to create vortices. In optics such vortex beams can be…

We theoretically describe the quantum properties of a large Fresnel number degenerate optical parametric oscillator with spherical mirrors that is pumped by a Gaussian beam. The resonator is tuned so that the resonance frequency of a given…

Quantum Physics · Physics 2009-10-13 Carlos Navarrete-Benlloch , Germán J. de Valcárcel , Eugenio Roldán

We introduce an operator linked with the radial index in the Laguerre-Gauss modes of a two-dimensional harmonic oscillator in cylindrical coordinates. We discuss ladder operators for this variable, and confirm that they obey the commutation…