Plasmonic metamaterials, relying on surface plasmons, exhibit novel optical properties that don’t exist in natural materials. The rise of plasmonic metamaterials has revolutionized the entire field of optics and photonics. The extraordinary applications include microscopy beyond the diffraction limit, optical computing, biological and chemical sensing, etc. Moreover, the recent emerging spoof surface plasmons have extended the plasmonic metamaterials to lower frequency band, enabling intriguing applications ranged from microwave and terahertz devices. Their spatial confinement features have contributed to the development of the miniaturization of electromagnetic devices. The plasmonic metamaterial is a microcosm of the whole electromagnetic technological advances. As information, communication and imaging systems grow in popularity, electromagnetic technology places more demands on developers. Traditional engineering technology inevitably has a bottleneck. The result of this plight is that an increasing number of researchers are branching out beyond their conventional solutions, and looking for inspiration of optics, quantum, materials, etc.

Increasing demand for the high-performance telecommunication system is mainly boosting technical innovation. The development of electromagnetic devices for high performance, compact size, low-consumption and low-cost systems such as filters, amplifiers, waveguides, modulators, and antennas are urgent. Plasmonic materials and their emerging applications will serve as a starting point for this Research Topic. We hope to bring together different visions of scientists interested in electromagnetic and explore new frontiers. This Research Topic aims to highlight recent novel physics and diverse applications in plasmonic metamaterials and innovative electromagnetic devices, as well as the research progresses on the design, analytical methods, fabrication, and applications.

The Research Topic welcomes submissions in a list of themes including but not limited to:

1. Theory and modeling of Plasmonic metamaterials
2. Novel waveguides/devices based on plasmonic metamaterials
3. Novel Antennas based on plasmonic metamaterials
4. Active and Reconfigurable plasmonic metamaterials
5. Microwave/millimeter-wave/terahertz devices and circuits
6. Antennas and propagation

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Frontiers in Physics

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