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1篇 您的检索式:作者名="D.D.Solnyshkov"
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1Imaging lattice switching with Talbot effect in reconfigurable non-Hermitian photonic graphene显示文摘By taking advantage of the optical induction method, a non-Hermitian photonic graphene lattice is efficiently established inside an atomic vapor cell under the condition of electromagnetically induced transparency. This non-Hermitian structure is accomplished by simultaneously modulating both the real and imaginary components of the refractive index into honeycomb profiles. The transmitted probe field can either exhibit a hexagonal or honeycomb intensity profile when the degree of non-Hermiticity is effectively controlled by the ratio between imaginary and real indices. The experimental realization of such an instantaneously tunable complex honeycomb potential sets a new platform for future experimental exploration of non-Hermitian topological photonics. Also,we demonstrate the Talbot effect of the transmitted probe patterns. Such a self-imaging effect based on a non-Hermitian structure provides a promising route to potentially improve the related applications, such as an all-optical-controllable Talbot–Lau interferometer.Zhaoyang Zhang Yuan Feng Shaohuan Ning G.Malpuech D.D.Solnyshkov Zhongfeng Xu Yanpeng Zhang Min Xiao 2022Photonics Research2022,10,4:0
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