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Miyamoto Lab
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A lab studying optical wireless power transmission, which delivers electricity to distant devices with beams of light.
AboutAbout the lab
Delivering electricity wirelessly with beams of light.
The Miyamoto Lab studies optical wireless power transmission (OWPT) systems, which send electricity to distant devices with beams of light, and the optical devices they require.
Light from a source is received by a solar cell attached to the device and converted into electricity.
By making power supply wireless, following communication, the lab aims to remove limits on where and when devices can be charged.
It works on power supply in many settings, from IoT devices to drones, electric vehicles, and underwater equipment.
Key terms
- Optical wireless power transmission
- A technology that uses beams of light to send electricity to distant devices without connecting wires (OWPT)
- Solar cell
- A device that receives light and converts its energy into electricity
- IoT
- A system in which various devices and sensors around us are connected to a network
NewsLab news
Prof. Miyamoto was named a Fellow of the Institute of Electronics, Information and Communication Engineers (IEICE)
A doctoral student received the OWPT2025 Paper Award
A doctoral student received the OWPT2025 Student Paper Award
A master's student received the IEICE Electronics Society Student Encouragement Award
ResearchResearch themes
The lab works on optical wireless power transmission systems and the optical devices they require. Its research expands the settings where OWPT can be used, from indoor IoT devices to drones, electric vehicles, and underwater equipment.
*Illustrative imageOptical Wireless Power for Indoor and IoT Devices
This research sends electricity with beams of light to IoT devices and other equipment in a room. The lab is designing systems that deliver power from a single light source to one device or to many devices by shining light on them in turn.
*Illustrative imageOptical Wireless Power for Drones and Vehicles
This research continuously supplies electricity by light to moving drones and electric vehicles. It greatly reduces the battery needed, and the lab is testing continuous flight and driving with small drone and vehicle models.
*Illustrative imageUnderwater Power Supply and Safety Technology
The lab works on power supply underwater, where radio waves do not reach, and on systems that use multiple light sources and moving mirrors to supply power at all times. It also studies safety technology that controls the light source when a person or other object enters the area.
MembersFaculty
The Miyamoto Lab forms a research group with the Koyama Lab and the Uenohara Lab. The group's members are faculty, professors emeritus, researchers, secretaries, and doctoral, master's, and undergraduate students.As of 2026
- ProfessorTomoyuki MiyamotoPublications ↗
- Assistant ProfessorYohei AikawaPublications ↗
- Project ProfessorYoichiro KuritaPublications ↗
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Fluorescence in calcite” Jan Pavelka / CC BY-SA 4.0 (cropped)
- Optical Wireless Power for Indoor and IoT Devices: “FSO-gigabit-laser-link-0a” Adamantios / CC BY-SA 3.0 (cropped)
- Optical Wireless Power for Drones and Vehicles: “Quadcopter camera drone in flight” Josh Sorenson / CC0 (cropped)
- Underwater Power Supply and Safety Technology: “Archeo-ROV, drone subacqueo” Afnecors / CC BY-SA 4.0 (cropped)
- Related lab (西山研究室): “Laser diode chip” NASA
（PD NASA。 作者欄なし） / Public domain (cropped) - Related lab (竹本・
清田研究室): “Stator Winding of a BLDC Motor” Medvedev / CC BY-SA 3.0 (cropped) - Related lab (間中・
田口研究室): “Organic crystal 1” RemiJos / CC BY 4.0 (cropped) - Related lab (小寺研究室): “Quantum lab ( )” Oak Ridge National Laboratory / CC BY 2.0 (cropped)
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