An optically powered device with using InGaAs-Photodiode has been developed. This study aims to harvest light energy (2.8∼500 μW) from the FTTH (Fiber To The Home) network and to utilize it for operating remote sensors without external energy sources. First, we designed and evaluated the characteristics of the booster circuit and confirmed that it could boost an input voltage of 0.3 V to 3.0 V. Next, we also evaluated the characteristics of InGaAs photodiode and confirmed that it can output a voltage over 0.3 V at 10-μW input light. We demonstrate that a ready-made sensor can be operated with an input optical power as low as 10 μW.
|Number of pages||5|
|Journal||IEEJ Transactions on Electronics, Information and Systems|
|Publication status||Published - 2012|
- Green Electronics
- Optically powered device
ASJC Scopus subject areas
- Electrical and Electronic Engineering