Double-Layer Graphene Optical Modulator

doi:10.1021/nl204202k

2012-02-16

764

PRE

DOI：10.1021/nl204202k

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摘要

En 中文

Here we report a high-performance double-layer graphene optical modulator. By using two graphene layers and an oxide layer in between to form a p-oxide-n like junction, this modulator operates at 1 GHz with a high modulation depth (similar to 0.16 dB/mu m) at a moderate drive voltage (similar to 5 V). Benefited from the symmetrical band structure of graphene near Dirac point, such design eliminates the optical loss widely existing in silicon photonics and has advantages including small footprint, low energy consumption, and low insertion loss.

Keyword:

Graphene

optical modulator

double layer

optoelectronics

期刊

Nano Letters

IF:

9.1

论文数:

2.7W

被引数:

16.5W

机构

University of California System

学者数:

37.5W

论文数: 33.7W

被引数: 6.6K

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