Diffraction Property of a Passive Parity-Time Grating
Certain optical systems and optical components have been used as equivalence to study corresponding quantum mechanics effects. For example, a passive parity-time (PT) grating has been reported by Zhu et al. [Appl. Phys. Lett. 109, 111101 (2016)]. In this example, we construct a passive PT grating following Zhu, and use the Fourier modal method (FMM) for investigation. Particularly, we show the asymmetric diffraction effect with selected grating structure parameters and the polarization of light.
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