Latest Papers Related to OWPT 2019-22 on the Topics of Photovoltaic Components, Devices and Systems

Dear Colleagues,

Electrical power transmission is an essential function for equipment. Although wiring, batteries, and energy harvesting have been used, these methods have various problems. By solving the problem of power transmission, society can be further developed with new equipment and new services. Power transmission methods using light beam are attracting attention as promising technologies. The first is power transmission in wireless, just as wireless communication has greatly progressed society. Optical wireless power transmission (OWPT) is extremely promising because of its potential for long-distance power transmission, no electromagnetic interference, and small size and light weight. The second is power transmission using an optical fiber. Power over fiber (PoF) has the superior potential to provide new value to the next infrastructure by taking advantage of features not provided in existing wiring, such as surge resistance, integration with extremely high-capacity communications, and light weight.

These optical power transmission technologies will be applied in the near future to a wide variety of applications from minute IoT terminals to home appliances, industrial equipment, mobilities such as electric vehicles, robots, and drones, and power transmission infrastructure in various environments where conventional methods are difficult to apply. On the other hand, although the basic technical functions of these optical power transmission technologies already exist, practical and commercial systems are still very limited, and thus, the activation of related research is strongly demanded for the development for many applications. By clarifying the superiority of this optical power transmission and the problems to be solved and collecting the state of the art of this field, such as materials, devices, subsystems, systems, applications, as well as safety and standardization, it will be possible to bring many social values in the near future.

For this reason, we have decided to publish a Special Issue that contains the latest results. However, although this field is related to energy and photonics technologies, it is configured by a wide range of technologies such as materials, devices, systems, and applications as described above. Nevertheless, this special issue will mainly target papers that are related to functional integration, systems, and applications of optical power transmission. Another Special Issue shall be prepared for important papers that are slightly outside the scope of this Special Issue, such as individual devices like light sources and light-receiving devices, and so on. Please submit your paper to the Special Issue that more closely matches its content.

Prof. Dr. Tomoyuki Miyamoto
Prof. Dr. Motoharu Matsuura
Guest Editors

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