Abstract
We investigate the effect of a rotating medium on orbital angular momentum (OAM)-carrying beams by combining a weak probe beam shifted in frequency relative to a strong pump beam. We show how the rotational Doppler effect modifies the light-matter interaction through the external rotation of the medium. This interaction leads to an absorption that increases with the mechanical rotation velocity of the medium and with a rate that depends on the OAM of the light beam.
© 2018 Optical Society of America
Full Article | PDF ArticleMore Like This
Mingyang Zhao, Xinlu Gao, Mutong Xie, Wensheng Zhai, Wenjing Xu, Shanguo Huang, and Wanyi Gu
Opt. Lett. 41(11) 2549-2552 (2016)
Martin P. J. Lavery, Stephen M. Barnett, Fiona C. Speirits, and Miles J. Padgett
Optica 1(1) 1-4 (2014)
Fiona C. Speirits, Martin P. J. Lavery, Miles J. Padgett, and Stephen M. Barnett
Opt. Lett. 39(10) 2944-2946 (2014)