Abstract
By considering gauge transformations on the macroscopic Maxwell's equations, a two-dimensional gauge field, with its pseudomagnetic field in the real space, is identified as tilted anisotropy in the constitutive parameters. We show that the optical spin Hall effect with broadband response and one-way edge states become possible simply by using anisotropic media. The proposed gauge field also allows us to obtain unidirectional propagation for a particular pseudospin based on the Aharonov-Bohm effect. Our approach will be useful in spoof magneto-optics with arbitrary magnetic fields mimicked by metamaterials with subwavelength unit cells. It also serves as a generic way to design polarization-dependent devices. © 2015 American Physical Society.
| Original language | English |
|---|---|
| Article number | 103902 |
| Journal | Physical Review Letters |
| Volume | 114 |
| Issue number | 10 |
| DOIs | |
| Publication status | Published - 10 Mar 2015 |
Bibliographical note
Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to <a href="mailto:[email protected]">[email protected]</a>.Funding
This work was supported by the European Union’s Seventh Framework Programme under Grant Agreement No. 630979.
Publisher's Copyright Statement
- COPYRIGHT TERMS OF DEPOSITED FINAL PUBLISHED VERSION FILE: Liu, F., & Li, J. (2015). Gauge field optics with anisotropic media. Physical Review Letters, 114(10), Article 103902. https://doi.org/10.1103/PhysRevLett.114.103902 The copyright of this article is owned by American Physical Society.
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