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7 papers · 2 filters
Electrically controlling vortices in a neutral exciton polariton condensate at room temperature
Xiaokun Zhai, Xuekai Ma, Ying Gao +7
Manipulating bosonic condensates with electric fields is very challenging as the electric fields do not directly interact with the neutral particles of the condensate. Here we demo…
Polaritonic coherent perfect absorption based on strong critical coupling between quasi-bound state in the continuum and exciton
Xin Gu, Xing Liu, Xiaofei Yan +4
Enhancement of light-matter interactions is of great importance for many nanophotonic devices, and one way to achieve it is to feed energy perfectly to the strongly coupled system.…
Tunable strong plasmon-exciton coupling based on borophene and deep subwavelength perovskite grating
Xiao-Fei Yan, Qi Lin, Gui-Dong Liu +1
Two-dimensional materials support deeply confined and tunable plasmonic modes, which have great potential for achieving device miniaturization and flexible manipulation. In this pa…
Tunable Polarization-Multiplexed Achromatic Dielectric Metalens
Xiangnian Ou, Tibin Zeng, Yi Zhang +6
Tunable metasurfaces provide a compact and efficient strategy for optical components that require active wavefront shaping. Varifocal metalens is one of the most important applicat…
Terahertz Polarization Conversion from Optical Dichroism in a Topological Dirac Semimetal
Haiyu Meng, Lingling Wang, Ching Hua Lee +1
Topological Dirac semimetals (TDSM), such as CdAs and NaBi, exhibits strong optical dichroism with contrasting dielectric permittivity along different crystal axes. How…
Realization of all-optical higher-order spatial differentiators based on cascaded operations
Yichang Shou, Yan Wang, Lili Miao +2
Cascaded operations play an important role in traditional electronic computing systems for the realization of advanced strategies. Here, we introduce the idea of cascaded operation…