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Contact: Sarah Yang
University of California - Berkeley
Caption: This is a schematic illustration of the graphene-based optical modulator. A layer of graphene (black fishnet) is placed on top of a silicon waveguide (blue), which is used as an optical fiber to guide light. Electrical signals are sent in from the side of the graphene to alter the amount of photons the graphene absorbs.
Credit: Graphic by Ming Liu, UC Berkeley
Usage Restrictions: Creditline: Ming Liu, UC Berkeley
Related news release: Graphene optical modulators could lead to ultrafast communications