Active photonic wireless power transfer into live tissues
Juho Kim, Jimin Seo, Dongwuk Jung, Tae-Yeon Lee, Hunpyo Ju, Junkyu Han, Namyun Kim, Jinmo Jeong, Sungbum Cho, Jae Hun Seol, Jongho Lee
Abstract
Significance One of the highest demands in biomedical electronic implants is to provide a sustainable electrical power for extended healthy life without battery replacement surgeries. The reported technology enables providing sustainable power wirelessly through live tissues as demonstrated by a key biomedical function, i.e., electrical stimulation, of implantable medical electronics at the level of a full system. The approach capable of providing enough power (74.1 μW/cm 2 , active photovoltaic area: 11.1 mm 2 ) indoor or outdoor during day and night should lead to developments of numerous medical electronic implants with advanced and diverse functions that are currently limited by a limited electrical power in live bodies.