Abstract
A new mechanism of Bragg phenomenon is theoretically identified that, remarkably, occurs in a uniform medium and relies on resonant tuning of the medium parameters rather than on wavelength-matching. Due to the uniformity, reflection ensues over a broad wavelength range, much like a metal, but is polarization dependent: one circular state is reflected, whereas the other is transmitted. Such a medium can thus provide a broadband, low-loss polarization divider/combiner. Assessing a realistic embodiment with loss and material dispersion, we discuss practical realizations within range of current meta-media technology at terahertz and optical frequencies.
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