A bidirectional broadband multifunctional terahertz device based on vanadium dioxide
Tong Li,
Xiangan Liang,
ChengQin Bao
et al.
Abstract:We propose a bidirectional and switchable terahertz absorber/reflector, utilizing vanadium dioxide. Detailed simulations reveal that the device is capable of achieving broadband absorption and reflection by manipulating the phase state of vanadium dioxide. Specifically, when vanadium dioxide is in its insulating phase, the device exhibits exceptional bidirectional broadband absorption characteristics, with an absorptivity exceeding 90% across a frequency range of 1.9 THz to 10 THz for both forward and backward… Show more
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