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Updated: Jan 19, 2026

Fabricating Metamaterials Using the Fiber Drawing Method
Published on: October 18, 2012
Effective medium theory with closed-form expressions for bi-anisotropic optical metamaterials
Abstract:
Bi-anisotropic optical metamaterials are playing an increasingly important role in current wave-functional metamaterials and topological photonics due to their extra degree of freedom in addition to the permittivity and permeability. In this work, we derived the closed-form expressions for effective constitutive parameters of 2-dimensional (2D) bi-anisotropic metamaterials whose chirality tensors can possess both diagonal and off-diagonal components in the long-wavelength limit based on the Mie theory. Our formulas can be regarded as an extension of the Maxwell-Garnet formula to 2D bi-anisotriopic metamaterials and are verified through full wave numerical simulations. These closed-form formulas will benefit the design and analysis of the optical properties of 2D bi-anisotriopic metamaterials.
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