Expand this Topic clickable element to expand a topic
Skip to content
Optica Publishing Group
  • CLEO/Europe and IQEC 2007 Conference Digest
  • (Optica Publishing Group, 2007),
  • paper IF8_1

Deflection of slow light in a Stern-Gerlach magnetic field

Not Accessible

Your library or personal account may give you access


Electromagnetically induced transparency allows for light transmission through dense atomic media by means of quantum interference of absorption amplitudes. Media exhibiting electromagnetically induced transparency have interesting properties, such as very slow group velocities. Associated with the slow light propagation are quasiparticles, so-called dark polaritons, which are mixtures of a photonic and an atomic contribution. We here demonstrate that these excitations behave as particles with a nonzero magnetic moment, which is in clear contrast to the properties of a free photon. It is found that circularity polarized light passing through a rubidium gas cell under the conditions of electromagnetically induced transparency is deflected by a small magnetic field gradient. The deflection angle is proportional to the propagation time of an optical pulse through the cell. The observed beam deflection can be understood by assuming that dark state polaritons have an effective magnetic moment. This is attributed to the spin wave contribution that develops upon entry of light into the medium. Our experiment can be described in terms of a Stern-Gerlach experiment for the dark polaritons.

© 2007 IEEE

PDF Article
More Like This
Experimental Demonstration of the Optical Stern-Gerlach Effect

T. Sleator, T. Pfau, V. Balykin, O. Carnal, and J. Mlynek
ThF5 International Quantum Electronics Conference (IQEC) 1992

Stern-Gerlach Interferometer on an Atom Chip

Shimon Machluf, Yonathan Japha, and Ron Folman
IC_2_3 International Quantum Electronics Conference (IQEC) 2013

Stern-Gerlach Effect for Photons

Aviv Karnieli and Ady Arie
FTh1H.2 CLEO: QELS_Fundamental Science (CLEO:FS) 2018

Select as filters

Select Topics Cancel
© Copyright 2024 | Optica Publishing Group. All rights reserved, including rights for text and data mining and training of artificial technologies or similar technologies.