Novel Physics and Practical Applications of Transformation Optics and Optical Mode Conversion

Dear Colleagues,

In the last decade, the possibility of structuring and tailoring the phase and intensity distributions of light has attracted increasing interest, exhibiting disruptive and promising applications in a wide range of fields: optical manipulation, high-resolution microscopy, mode-division multiplexing in telecoms, high-order modes of control, and high-dimensional quantum cryptography. Concurrently, remarkable efforts have been devoted to the design and fabrication of novel optical elements and effective materials in order to perform light reshaping, mode generation and conversion, and optical coordinate transformations.

For these reasons, we have determined that a collection of recent works and reviews on this broad topic would be very timely and could contribute to the growing profile of this field of research. The topics of this Special Issue include, but are not limited to, optical coordinate transformations, multi-plane light conversion, high-order beam generation and manipulation, and mode switching and routing. Moreover, this Special Issue will cover all the techniques and methods that can be used to control and reshape the electromagnetic field: diffractive optics, metasurfaces, metamaterials, plasmonics, photonics, etc.

This Special Issue aims to gather the works of many important contributors to this emergent field of research, and it will represent a cornerstone demonstrating how transformation optics has acquired a prominent role in today’s research and technological applications.

Best regards

Prof. Dr. Filippo Romanato
Dr. Gianluca Ruffato
Guest Editors

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