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http://hdl.handle.net/10397/95629
Title: | Coalescence of nonreciprocal exceptional points in magnetized PT -symmetric systems | Authors: | Wang, J Dong, HY Shi, QY Wang, W Fung, KH |
Issue Date: | 1-Jan-2018 | Source: | Physical review B : covering condensed matter and materials physics, 1 Jan. 2018, v. 97, no. 1, 14428 | Abstract: | We study the Lorentz nonreciprocal transmission and nonreciprocal complex band structures supported in a PT-symmetric waveguide sandwiched by magnetized layers. We found that, near the emergency and coalescence of exceptional points, nonreciprocal transmission can be significantly enhanced by the non-Hermitian properties. With the help of gain-loss balance, one-way light transmission could be achieved even in the presence of a weak magnetic field. The results may offer us insight into the interplay between Lorentz nonreciprocity and non-Hermiticity. | Publisher: | American Physical Society | Journal: | Physical review B : covering condensed matter and materials physics | ISSN: | 2469-9950 | EISSN: | 2469-9969 | DOI: | 10.1103/PhysRevB.97.014428 | Rights: | ©2018 American Physical Society The following publication Wang, J., Dong, H. Y., Shi, Q. Y., Wang, W., & Fung, K. H. (2018). Coalescence of nonreciprocal exceptional points in magnetized PT-symmetric systems. Physical Review B, 97(1), 014428 is available at https://doi.org/10.1103/PhysRevB.97.014428. |
Appears in Collections: | Journal/Magazine Article |
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PhysRevB.97.014428.pdf | 1.32 MB | Adobe PDF | View/Open |
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