We report a metamaterial super absorber structure with sub-5-nm gaps fabricated using atomic layer deposition processes for extreme light confinement. Light trapping efficiency of 81% is experimentally demonstrated at mid-infrared wavelengths.
|Original language||English (US)|
|Title of host publication||2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings|
|Publisher||Institute of Electrical and Electronics Engineers Inc.|
|State||Published - Aug 6 2018|