Microscopic mechanism of Faraday effect in Bi-YIG

Huaan Hu; Jiang Wei; Huahui He

doi:10.1117/12.318504

10 August 1998 Microscopic mechanism of Faraday effect in Bi-YIG

Huaan Hu, Jiang Wei, Huahui He

Proceedings Volume 3562, Optical Storage Technology; (1998) https://doi.org/10.1117/12.318504
Event: Photonics China '98, 1998, Beijing, China

Abstract

For the bismuth substituted yttrium ion garnet (Bi-YIG), it is considered that the 6p orbits of Bi³⁺, 2p orbits of O²⁺, and 3d orbits of Fe³⁺ are overlapped one another into hybridized molecular orbits. The number of hybridized orbits is quantitative related with the ion concentration of Bi³⁺. When (omega) equals 2.3 eV or (omega) equals 2.8 eV. The (theta) _F varied with the spin- orbit splitting energies (Delta) is calculated respectively, in Y_3-xBi_xFe₅O₁₂ on x equals 0, 0.1, 0.3, 0.5. The results indicate that the large enhancement of Faraday rotation, with the enhancement of spin-orbit splitting of excited state, is dominated by the substitution of bismuth.

Citation Download Citation

Huaan Hu, Jiang Wei, and Huahui He "Microscopic mechanism of Faraday effect in Bi-YIG", Proc. SPIE 3562, Optical Storage Technology, (10 August 1998); https://doi.org/10.1117/12.318504

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