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physics.optics2024★ 12 cited
Hypermultiplexed off-chip hologram by on-chip integrated metasurface
Xianjin Liu, Zhanying Ma, Dasen Zhang +3
The waveguide-integrated metasurface introduces a novel photonic chip capable of converting guided modes into free-space light. This enables functions such as off-chip beam focusin…
physics.optics2022
Type-\textbf{III} corner state in second-order topological insulator by distinctly hybridized photonic Wannier functions
Zhenzhen Liu, Guochao Wei, Jun-Jun Xiao
In the presence of crystalline symmetries, second-order topological insulators can be featured by the polarization which is believed identical to the Wannier center. In this Letter…
physics.optics2022
Geometric-anisotropy induced high-order topological insulators in nonsymmorphic photonic crystals
Zhenzhen Liu Guochao Wei, Jun-Jun Xiao
To a significant extent, the rich physical properties of photonic crystals are determined by the underlying geometry, in which the composed symmetry operators and their combination…