Mr. Zeqing Wang Profile

Zeqing Wang

at Gannan Normal Univ

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Proceedings Article | 15 November 2018 Paper

Propagation properties of elliptically polarized light in one dimensional photonic crystal with a magneto-optical defect layer

Zeqing Wang, Yingmao Xie, Yu Ling

Proceedings Volume 10964, 1096438 (2018) https://doi.org/10.1117/12.2505924

KEYWORDS: Magneto-optics, Photonic crystals, Magnetism, Transmittance, Computer simulations, Geometrical optics

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The propagation properties of elliptically polarized light in one dimensional photonic crystal with a magneto-optical defect layer is studied. The one-dimensional photonic crystal is composed of GaAs (H) and Ta2O5 (L), the defect layer material is magneto-optical material Ce:YIG (M), and the structure model of one-dimensional photonic crystal with a magneto-optical defect layer is designed as (L/H)^N/M/ (H/L)^N. The propagation properties of elliptically polarized light is calculated numerically by using the 4 × 4 transfer matrix method, and the possibility in the polarization controller is discussed. The results shows that the polarization state of the elliptically polarized light is changed with the increase of applied magnetic field, when the center wavelength is 1550 nm, N=8 and the phase difference (φX-φY) of the incident elliptically polarized light is π/6 the transmittance of elliptical polarized light is decreased from 1 to 0.6404, and the phase difference (φX-φY) is increased from π/6 to 0.3565π; then, when the center wavelength is 1550 nm, the applied magnetic field remains unchanged and the N is changed from 1 to 9, the transmittance of the elliptical polarized light is decreased from 1 to 0.2343, and the phase difference (φX-φY) is increased from π/6 to 0.7363π.

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