Nature Photonics
07 October 2019
Transverse photon spin of bulk electromagnetic waves in bianisotropic media
Liang Peng1*, Lingfu Duan1, Kewen Wang1, Fei Gao2, Li Zhang2, Gaofeng Wang1, Yihao Yang3, Hongsheng Chen2*, Shuang Zhang4*
1 Key Laboratory for RF Circuits and Systems, Hangzhou Dianzi University, Ministry of Education, Hangzhou, China.
2 Interdisciplinary Center for Quantum Information, State Key Laboratory of Modern Optical Instrumentation, College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China.
3 Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore, Singapore.
4 School of Physics and Astronomy, University of Birmingham, Birmingham, UK.
10.1038/s41566-019-0521-4
The spins of bulk photonic modes inside a homogeneous bianisotropic metamaterial are found to be orientated transverse to the direction of light propagation. This is in contrast to all previous observations of transverse optical spins that rely on confinement to interfaces.
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