Title :
Mid-infrared graphene detectors with antenna enhanced light absorption and photo-carrier collection
Author :
Yu Yao ; Shankar, Raji ; Rauter, Patrick ; Yi Song ; Jing Kong ; Loncar, Marko ; Capasso, Federico
Author_Institution :
Sch. of Eng. & Appl. Sci., Harvard Univ., Cambridge, MA, USA
Abstract :
We demonstrated antenna-assisted mid-infrared graphene detectors at room temperature with more than 200 times enhancement of responsivity (0.4 V/W at λ0=4.45 μm) compared to devices without antennas (<;2 mV/W).
Keywords :
antennas; graphene; infrared detectors; light absorption; nanophotonics; nanosensors; C; antenna enhanced light absorption; midinfrared graphene detectors; photocarrier collection; responsivity enhancement; room temperature; wavelength 4.45 mum; Absorption; Antenna measurements; Antennas; Detectors; Graphene; High-speed optical techniques; Optical detectors;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
