Wireless power transfer with collimated power transmission and efficient conversion
provides an alternative charging mode for off-grid and portable micro-power electronics …

Conventional electricity distribution using copper wires is well established due to its high
efficiency. However, recent research and development on power-over-fiber (PoF) has …

Ground-breaking optical wireless power transfer (OWPT) techniques have gained significant
attention from both academia and industry in recent decades. Powering remote systems …

Stable and reliable optical power converting devices are obtained using vertical multi-
junction laser power converters. They are based on the GaAs and the InP material systems …

This report provides a snapshot of emerging photovoltaic (PV) technologies. It consists of
concise contributions from experts in a wide range of fields including silicon, thin film, III-V …

Photovoltaic devices that operate under extremely high irradiances, such as laser power
converters (LPCs), may also operate at elevated temperatures, even under active cooling …

Photovoltaic multijunction power-converting III–V semiconductor devices generate electrical
power from the optical energy of laser beams. They exhibit conversion efficiencies reaching …

In this paper, a high-efficiency InGaN photo cell irradiated by 532 nm laser (at green
wavelength) with AlGaN electron blocking layer (EBL) is proposed based on the blue-green …

Nonuniform irradiance profiles of lasers used in power‐by‐light systems deteriorate the
efficiency of photovoltaic laser power converters. We analyze three approaches to deal with …

Summary Three-dimensional (3D) interconnects increase chip power density and enable
miniaturization. Photonic chips require new processes to enable transitioning to 3D …