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physics.optics2012★ 223 cited
Optical absorption in graphene integrated on silicon waveguides
Huan Li, Yoska Anugrah, Steven J. Koester +1
To fully utilize graphene's remarkable optical properties for optoelectronic applications, it needs to be integrated in planar photonic systems. Here, we demonstrate integration of…
physics.optics2012★ 165 cited
High-speed waveguide-coupled graphene-on-graphene optical modulators
Steven J. Koester, Mo Li
An electro-absorption optical modulator concept based upon a dual-graphene layer is presented. The device consists of a silicon-on-insulator waveguide upon which two graphene layer…