Reconfigurable Plasmonic Photodetector Integrated with Electrostatic Actuator For Spectrometry

Miniaturized spectrometers enable spectrometry on limited space, and they have been actively studied for various applications. Although various methods have been proposed to miniaturize spectrometer, conventional spectrometer consist of multiple filters and photodetectors, which limits the reduction of the footprint. Here, we report a reconfigurable plasmonic photodetector integrated with electrostatic actuator for spectrometry. In this paper, we investigated whether spectroscopy is possible using this structure in wavelength range from 1240 nm to 1310 nm. The simplicity of this structure presents potential to be adapted in micro-spectrometers.