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The connection between topology and nonreciprocity in photonic systems is reviewed. Topological properties such as Chern number, and momentum-space properties such as Berry phase and Berry connection, are used to… Click to show full abstract
The connection between topology and nonreciprocity in photonic systems is reviewed. Topological properties such as Chern number, and momentum-space properties such as Berry phase and Berry connection, are used to explain backscattering immune edge states and their topological protection. We consider several examples to illustrate the role of momentum-space topology on wave propagation, and discuss recent magnet-less approaches.
Keywords:
topology;
space topological;
momentum space;
nonreciprocity
Journal Title: IEEE Antennas and Wireless Propagation Letters
Year Published: 2018
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Journal Title: IEEE Antennas and Wireless Propagation Letters
Year Published: 2018
Link to full text (if available)
Share on Social Media: Sign Up to like & get
recommendations!