Dielectric cavity enhanced high reflective multiband waveplate

Jingpei Hu; Chong Zhang; Xiaodong Sun; Linglin Zhu; Aijun Zeng; Huijie Huang

doi:10.1117/12.2500780

2 November 2018 Dielectric cavity enhanced high reflective multiband waveplate

Jingpei Hu, Chong Zhang, Xiaodong Sun, Linglin Zhu, Aijun Zeng, Huijie Huang

Proceedings Volume 10818, Holography, Diffractive Optics, and Applications VIII; 108181P (2018) https://doi.org/10.1117/12.2500780
Event: SPIE/COS Photonics Asia, 2018, Beijing, China

Abstract

In this paper, we propose a dielectric cavity enhanced high reflective multiband waveplate based on nano-grating structure, which exhibits quarter waveplate at two wavelengths (λ=810nm and λ=1530nm) and half waveplate at another wavelength (λ=1100nm). The simulation results show that at the working wavelengths (i.e., 810nm, 1100nm and 1531nm) of the device, the reflections are larger than 94% and the average value is about 95% with polarization orientation at 45° . As compare with the traditional metal nanograting waveplate, it has large phase difference with the same geometrical parameters (period, aspect ratio and thickness), and it also does not need to rotate the polarization orientation of the incident light when it work at different wavelengths. It provides a great potential for applications in advanced nanophotonic devices and integrated photonic systems.

Citation Download Citation

Jingpei Hu, Chong Zhang, Xiaodong Sun, Linglin Zhu, Aijun Zeng, and Huijie Huang "Dielectric cavity enhanced high reflective multiband waveplate", Proc. SPIE 10818, Holography, Diffractive Optics, and Applications VIII, 108181P (2 November 2018); https://doi.org/10.1117/12.2500780

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