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physics.optics2024
mode lasing in the non-Hermitian Floquet topological system
Shuang Shen, Yaroslav V. Kartashov, Yongdong Li +2
modes are unique topological edge states appearing in Floquet systems with periodic modulations of the underlying lattice structure in evolution variable, such as dynamically…
physics.optics2024
-symmetric photonic lattices with type-II Dirac cones
Qian Tang, Milivoj R. BeliÄ, Hua Zhong +3
The type-II Dirac cone is a special feature of the band structure, whose Fermi level is represented by a pair of crossing lines. It has been demonstrated that such a structure is u…