Investigation of polarization-selective InGaAs sensor with elliptical two-dimensional holes array structure

Wenbo Wang; Dong Fu; Xiaobin Hu; Yun Xu; Guofeng Song; Xin Wei

doi:10.1117/12.2244772

25 October 2016 Investigation of polarization-selective InGaAs sensor with elliptical two-dimensional holes array structure

Wenbo Wang, Dong Fu, Xiaobin Hu, Yun Xu, Guofeng Song, Xin Wei

Author Affiliations +

Proceedings Volume 10157, Infrared Technology and Applications, and Robot Sensing and Advanced Control; 101570R (2016) https://doi.org/10.1117/12.2244772
Event: International Symposium on Optoelectronic Technology and Application 2016, 2016, Beijing, China

Abstract

Polarimetric imaging in infrared wavelengths have attracted more and more attention for broad applications in meteorological observations, medicine, remote sensing and many other fields. Metal metamaterial structures are used in nanophotonics in order to localize and enhance the incident electromagnetic field. Here we develop an elliptical gold Two-Dimensional Holes Array (2DHA) in which photons can be manipulated by surface plasmon resonance, and the ellipse introduce the asymmetry to realize a polarization selective function. Strong polarization dependence is observed in the simulated transmission spectra. To further understand the coupling mechanism between gold holes array and InP, the different parameters of the 2DHA are analyzed. It is shown that the polarization axis is perpendicular to the major axis of the ellipse, and the degree of polarization is determined by the aspect ratio of the ellipse. Furthermore, the resonance frequency of the 2DHA shows a linear dependence on the array period, the bandwidth of transmission spectra closely related to duty cycle of the ellipse in each period. This result will establish a basis for the development of innovative polarization selective infrared sensor.

Citation Download Citation

Wenbo Wang, Dong Fu, Xiaobin Hu, Yun Xu, Guofeng Song, and Xin Wei "Investigation of polarization-selective InGaAs sensor with elliptical two-dimensional holes array structure", Proc. SPIE 10157, Infrared Technology and Applications, and Robot Sensing and Advanced Control, 101570R (25 October 2016); https://doi.org/10.1117/12.2244772

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