首页|Transmission-reflection decoupling of non-Hermitian photonic doping epsilon-near-zero media

Transmission-reflection decoupling of non-Hermitian photonic doping epsilon-near-zero media

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We present a novel method to achieve the decoupling between the trans-mission and reflection waves of non-Hermitian doped epsilon-near-zero(ENZ)media by inserting a dielectric slit into the structure.Our method also allows for independent control over the amplitude and the phase of both the transmission and reflection waves through few dopants,enabling us to achieve various optical effects,such as perfect absorption,high-gain reflection without transmission,reflectionless high-gain transmission and reflectionless total transmission with different phases.By manipulating the permittivity of dopants with extremely low loss or gain,we can realize these effects in the same configuration.We also extend this principle to multi-port doped ENZ structures and design a highly reconfigurable and reflectionless signal distributor and generator that can split,amplify,decay and phase-shift the input signal in any desired way.Our method overcomes limitations of optical manipulation in doped ENZ caused by the interde-pendent nature of the transmission and reflection,and has potential appli-cations in novel photonic devices.

photonic dopingnon-Hermitianepsilon-near-zero mediatransmission-reflection decoupling

王勇幸、林季资、须萍

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Zhangjiagang Campus,Jiangsu University of Science and Technology,Zhangjiagang 215600,China

Department of physics,Jiangsu University of Science and Technology Suzhou Institute of Technology,Zhangjiagang 215600,China

School of Physical Science and Technology,Soochow University,Suzhou 215006,China

National Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNatural Science Research of Jiangsu Higher Education Institutions of ChinaPriority Academic Program Development of Jiangsu Higher Education Institutions

121041911120419521KJB140006

2024

10.1007/s11467-023-1362-7

物理学前沿
高等教育出版社

物理学前沿

CSTPCD
影响因子：0.816
ISSN：2095-0462
年,卷(期)：2024.19(3)
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