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[Fizinfo] [Seminar] WIGNER SZFI Seminar, 14 Nov - Thomas W. Clark

From: Szeminárium koordinátor <szfi-seminar AT wigner.mta.hu>
To: Szeminárium <seminar AT szfki.hu>
Subject: [Fizinfo] [Seminar] WIGNER SZFI Seminar, 14 Nov - Thomas W. Clark
Date: Thu, 9 Nov 2017 06:26:01 +0100 (CET)
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WIGNER SZFI Seminar

Sculpting Shadows - Structured light and the spatial shaping of fields and atoms

Thomas W. Clark
Wigner RCP SZFI

Tuesday, 14 November 2017 10:00, KFKI Campus, Bldg. 1, 2nd floor, Conference Room

Twenty-five years ago this year, Allen, Beijersbergen, Spreeuw, and Woerdman reported that light carries two types of angular momentum: spin (polarization) and orbital angular momentum. Although it had been known for some time that light could exert a momentum of hbar, it was only after the work of Allen et al. that it was understood that the systematic winding of wavefronts could lead to an unbounded source of angular momentum: an inifinite-dimensional phase-space that came with a twist. Such a discovery has had a vast influence across the field of optics, extending through mechanical manipulation, imaging, communications and the quantum realm. In this seminar, I selectively review the creation and manipulation of spatially-structured light, before detailing how this can be applied to interaction with atomic systems. Throughout, I will focus on work undertaken at Glasgow, concluding with recent results on how phase-shaped light can be used to sculpt the refractive index and populations of an atomic cloud.

Everyone is welcome to attend.

János Asbóth
szfi-seminar AT wigner.mta.hu

[Fizinfo] [Seminar] WIGNER SZFI Seminar, 14 Nov - Thomas W. Clark, Szeminárium koordinátor, 11/10/2017