Author:
Lee Jungwoo,Seo Jihoon,Kwon Min-Suk
Abstract
We experimentally investigate a graphene-inserted metal-slot-added Si waveguide photodetector, which has feature sizes larger than 200 nm. The 15-μm-long photodetector exhibits an ultra-high responsivity of 8.09 A/W with a bias voltage of 1 V applied.