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Title: Nonreciprocity in synthetic photonic materials with nonlinearity
Authors: Chen, Weijian
Leykam, Daniel
Yang, Lan
Chong, Yi Dong
Keywords: Opto-electronic
Issue Date: 2018
Source: Chen, W., Leykam, D., Chong, Y. D., & Yang, L. (2018). Nonreciprocity in synthetic photonic materials with nonlinearity. MRS Bulletin, 43(6), 443-451.
Series/Report no.: MRS Bulletin
Abstract: Synthetic photonic materials created by engineering the profile of refractive index or gain/loss distribution, such as negative-index metamaterials or parity-time-symmetric structures, can exhibit electric and magnetic properties that cannot be found in natural materials, allowing for photonic devices with unprecedented functionalities. In this article, we discuss two directions along this line—non-Hermitian photonics and topological photonics—and their applications in nonreciprocal light transport when nonlinearities are introduced. Both types of synthetic structures have been demonstrated in systems involving judicious arrangement of optical elements, such as optical waveguides and resonators. They can exhibit a transition between different phases by adjusting certain parameters, such as the distribution of refractive index, loss, or gain. The unique features of such synthetic structures help realize nonreciprocal optical devices with high contrast, low operation threshold, and broad bandwidth. They provide promising opportunities to realize nonreciprocal structures for wave transport.
ISSN: 0883-7694
DOI: 10.1557/mrs.2018.124
Schools: School of Physical and Mathematical Sciences 
Rights: © 2018 Materials Research Society (MRS). This paper was published in MRS Bulletin and is made available as an electronic reprint (preprint) with permission of Materials Research Society (MRS). The published version is available at:]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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