Journal
JOURNAL OF OPTICS-INDIA
Volume 45, Issue 4, Pages 337-342Publisher
SPRINGER INDIA
DOI: 10.1007/s12596-016-0330-9
Keywords
Electro-absorption modulator; All-fiber structure; Graphene
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Funding
- National Basic Research Program of China (973 Program) [2012CB315703]
- National Natural Science Foundation of China [61371029, 61575174]
- Open Funding Program of joint laboratory of flight vehicle ocean-based measurement and control
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An all-fiber structured electro-absorption (EA) modulator based on graphene is proposed. The graphene is directly attached to the core of the fiber to ensure the coupling efficiency. Mode analysis is used to reveal the light modulation mechanism under the anisotropic graphene modeling, which is merely conducted in previous studies. Compared with conventional semiconductor EA modulators, it exhibits an excellent performance with the advantages such as small footprint (50.2 mu m), small voltage swing (0.2 V), and broad operation bandwidth. In addition, the proposed modulator features simple structure, low optical propagation and coupling loss, and good integrated compatibility as the fiber modulator. All these edges prospect the great potentiality in future high-speed optic fiber communications, optical signal processing, and all-fiber systems.
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