Dear Colleagues,

Alongside the rapid development of nanofabrication and characterization technologies, recently, metamaterials and metasurfaces have gained considerable attention. Metamaterials are artificial structures developed on a sub-wavelength scale. The geometric structures of metamaterials can be artificially designed to exhibit the physical properties required. The 3D nature of metamaterials usually makes them difficult to manufacture. As a type of two-dimensional (2D) metamaterial, metasurfaces are proposed to improve the fabrication and integration of devices.

Advancements in the fields of metamaterials and metasurfaces have also increased their potential in many areas, such as sensing, imaging, communications, etc. However, there are many challenges, such as flexibility in the design and sub-wavelength thickness, which need to be addressed in order for them to fulfill their potential in practical applications.

This Special Issue will focus on advanced research regarding theories, methods, and the communications and sensing applications of metamaterials and metasurfaces. Researchers are welcome to present original research regarding the latest findings related to current trends and challenges in their design and applications. Topics of interest include (but are not limited to) the following:

• Multi-functional metamaterials and metasurfaces;
• Metamaterial and metasurface antennae;
• Devices and applications based on metamaterials and metasurfaces;
• Imaging, sensing and communications based on metamaterials and metasurfaces;
• Intelligent reconfigurable metamaterials and metasurfaces;
• The design, modeling and experimentation of metamaterials and metasurfaces.

Dr. Mohammad Khan
Guest Editor

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