journal article·2017-10-01Open access

Optical resonant tunneling in photonic heterostructures containing a tunable dielectric layer

Liyong Cui, Guang Lu, Shan Zhang, Fen Liu, Yanqing Xin, Kunlun Wang, Tianlin Yang, Li Wang, Guiqiang Du

AIP Advances· Volume 7· Issue 10

Abstract

We demonstrate theoretically and experimentally that complete light transmission can be realized using a photonic heterostructure containing a tunable dielectric layer inserted between two different truncated photonic crystals (PCs). A perfect tunneling state is produced within enlarged photonic band gap (PBG) of the heterostructure by varying the thickness of inserted dielectric layer and the transmittance of the tunneling state depends on the dielectric layer thickness. Additionally, the tunneling state frequency varies with inserted layer thickness but is always located within the small overlapped PBG of two PCs. Therefore, both a perfect tunneling state and an ultrawide PBG can be realized in these heterostructures. The experimental results showed good agreement with theoretical values.
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Research context

OpenAlex topics: Photonic Crystals and Applications · Photonic and Optical Devices · Fern and Epiphyte Biology

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Affiliations

School of Space Science and Physics, Shandong University at Weihai 1 , Weihai 264209, P. R. China

Beijing Institute of Space Mechanics & Electricity 3 , Beijing 100094, P. R. China

State Key Laboratory of Surface Physics and Department of Physics, Key Laboratory of Micro- and Nano-Photonic Structures (Ministry of Education), Fudan University 2 , Shanghai 200433, P. R. China

Funding

State Key Laboratory of Surface Physics and Department of Physics · National Natural Science Foundation of China · Shandong University · Natural Science Foundation of Shandong Province

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