Twisted Light in Quantum and Sub-Atomic Systems

18 Sept 2023, 09:15 → 22 Sept 2023, 17:00 Europe/Berlin

2413/2-430 - MITP Seminar Room (MITP - Mainz Institute for Theoretical Physics, Johannes Gutenberg University Mainz)

In recent years, considerable interest in various areas of modern physics has been focused on generation, detection and use of light carrying orbital angular momentum (OAM) along its propagation direction. The wavefront of such twisted light exhibits a helical structure, instead of being an approximation of a plane. Being produced in a broad energy range from meV to TeV, and in both the classical and quantum regime, twisted light beams have already found their applications in atomic, molecular and nuclear physics and are currently considered for probing chirality of matter, generating novel excitonic states in solid state physics, and searching for signals of new physics.   

The goal of the present workshop is to address our current understanding of scientific and technical problems in the field of twisted light and to identify the goals for further development of theory and instrumentation. This workshop brings together colleagues with a shared interest in OAM to foster interactions, collaborations and knowledge exchange across a wide range of diverse communities, including atomic,  optical and chemical physics, quantum information, accelerator physics, nuclear and high-energy physics. In particular, the following topics will be covered:

• Theoretical challenges in the quantum description of twisted light
• New developments in twisted light generation: Nano focusing, Free electron lasers, Plasma and Accelerator based sources
• Twisted light at the Gamma Factory in CERN and FAIR facility
• Interactions of twisted light over a broad range of energies and systems
• Twisted waves of matter at low and high energies

TLQ23_program.pdf

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Monday 18 September

09:15 → 09:30 Welcome

TLQ23_program.pdf

09:30 → 10:00 Structured light fields: from singularities and quantum cryptography to advanced imaging

Convener: Eileen Otte

10:00 → 10:30 Quantum noise-based imaging and spatial mode analysis

Convener: Irina Novikova

10:30 → 11:00 Coffee Break

11:00 → 11:30 Nonlinear superconducting dynamics driven by structured fields

Convener: Jamal Berakdar

11:30 → 12:00 Novel routes in chiral light-matter interactions and optical activity using structured light

Convener: Kayn Forbes

12:00 → 12:30 Discrimination of Chiral and Helical Contributions to Raman Scattering of Chiral Model Systems Using Vortex Beams

Convener: Peter Lemmens

12:30 → 14:00 Lunch

Zentralmensa: https://www.studierendenwerk-mainz.de/en/essentrinken/menu
Cafeteria at Max-Planck-Institute for Polymer Search: https://cafeteria.mpip-mainz.mpg.de/Speiseplan.pdf
Bali Bistro: https://www.instagram.com/balibistro.mainz/?igshid=YmMyMTA2M2Y%3D

14:00 → 14:30 Artificial gauge field switching using orbital angular momentum

Convener: Christina Jörg

14:30 → 15:00 How to STIRAP a vortex, Bragg-split a vortex and incite persistent currents on lattice rings

Convener: Reinhold Walser

15:00 → 15:30 Twisted light in nano and microsystems

Convener: Halina Rubinsztein-Dunlop

15:30 → 16:00 Coffee Break

16:00 → 18:00 Discussion Session

Tuesday 19 September

09:30 → 10:00 Topological forms in optical, acoustic, and water waves

Convener: Konstantin Bliokh

10:00 → 10:30 Symmetry principles for engaging the orbital angular momentum of structured light

Convener: David Andrews

10:30 → 11:00 Coffee Break

11:00 → 11:30 Optical angular momentum in atomic transitions: a paradox

Convener: Stephen Barnett

11:30 → 12:00 Advancements in Frequency Stabilization Techniques for Precision Measurements: A Comprehensive Overview

Convener: Prosenjit Majumder

12:00 → 12:30 tba

Convener: Andrey Surzhykov

12:30 → 14:00 Lunch

14:00 → 14:30 Generalized Angle-OAM Talbot effect

Convener: Matias Eriksson

14:30 → 15:00 Non-Diffractive Polarization Features of 3D Wave Structures

Convener: Andrew Kille

15:00 → 15:30 Electromagnetic vector field zeros: polarisation imprints, diffraction immunity and topological effects

Convener: Alex Vernon

15:30 → 16:00 Coffee Break

16:00 → 18:00 Discussion Session

Wednesday 20 September

09:30 → 10:00 Superkicks and the Role of the Energy-Momentum Tensor

Convener: Carl Carlson

10:00 → 10:30 Superkick-related effects in wave packet scattering

Convener: Igor Ivanov

10:30 → 11:00 Coffee Break

11:00 → 11:30 Strategies for generating and accelerating vortex leptons, hadrons, and ions at accelerators

Convener: Dmitry Karlovets

11:30 → 12:00 Production of neutron beams with OAM and spin-orbit coupling

Convener: Dmitry Pushin

12:00 → 12:30 Generation and Detection of Neutron Orbital Angular Momentum at the Atominstitut

Convener: Niels Geerits

12:30 → 14:00 Lunch

14:00 → 14:30 53 other things to do with ions in vortex light

Convener: Ferdinand Schmidt-Kaler

14:30 → 15:00 Twisted light in optical clocks: Excitation of an electric octupole transition

Convener: Ekkehard Peik

15:00 → 15:30 Interaction of structured light with trapped ions: Interplay between electronic and motional degrees of freedom

Convener: Anton Peshkov

15:30 → 16:00 Coffee Break

16:00 → 18:00 Discussion Session

Thursday 21 September

09:30 → 10:00 The importance of longitudinal field components for the optical properties and applications of vector twisted light

Convener: Mohamed Babiker

10:00 → 10:30 Spatio-Spectral Vector Beams

Convener: Robert Fickler

10:30 → 11:00 Coffee Break

11:00 → 11:30 Ultrafast chirality: a topological connection

Convener: Olga Smirnova

11:30 → 12:00 Nano-focusing of twisted light with metamaterials

Convener: Natalia Litchinitser

12:00 → 12:30 tba

Convener: Andrei Afanasev

12:30 → 14:00 Lunch

14:00 → 22:00 Excursion and Dinner

Friday 22 September

09:30 → 10:00 Atom state interferometry with structured light

Convener: Sonja Franke-Arnold

10:00 → 10:30 Detecting the oscillating magnetic field using vector light atom interaction

Convener: Shreyas Ramakrishna

10:30 → 11:00 Coffee Break

11:00 → 11:30 Mirrorless lasing: a theoretical perspective

Convener: Svetlana Malinovskaya

11:30 → 12:00 tba

Convener: Dmitry Budker

12:00 → 12:30 Closing

12:30 → 14:00 Lunch