Double-layer graphene optical modulators and methods of fabrication thereof

Dalir, Hamed; Xia, Yan; Wang, Yuan; Zhang, Xiang

Title: Double-layer graphene optical modulators and methods of fabrication thereof

Patent · Tue Sep 15 00:00:00 EDT 2020

OSTI ID:1735263

Dalir, Hamed; Xia, Yan; Wang, Yuan; Zhang, Xiang

This disclosure provides systems, methods, and apparatus related to optical modulators. In one aspect, a device includes a substrate, a first electrically insulating material disposed over the substrate, a first graphene layer and a second graphene layer disposed in the first electrically insulating material and being separated by the first electrically insulating material, and a waveguide disposed on the first electrically insulating material. At least a portion of the second graphene layer overlays at least a portion of the first graphene layer. The waveguide overlays both the first graphene layer and the second graphene layer.

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Research Organization:: Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC02-05CH11231

Assignee:: The Regents of the University of California (Oakland, CA)

Patent Number(s):: 10,775,651

Application Number:: 16/104,532

OSTI ID:: 1735263

Resource Relation:: Patent File Date: 08/17/2018

Country of Publication:: United States

Language:: English

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