期刊
JOURNAL OF LIGHTWAVE TECHNOLOGY
卷 33, 期 2, 页码 349-353出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JLT.2014.2386893
关键词
Extinction ratio; graphene; polarizer; surface core fiber
资金
- National Natural Science Foundation of China [U1231201, 61275094, 61411130152, 61201083, 11204047]
- Natural Science Foundation of Heilongjiang Province in China [LC201424]
- Special Foundation for Harbin Young Scientists [2012RFLXG030, 2013RFQXJ099]
- Foundation for University Key Teacher by Heilongjiang Province [1254G014]
- 111 Project [B13015]
In this paper, we propose and numerically analyze a graphene-coated surface core fiber (SCF) polarizer. The loss characteristics of TE- and TM-modes are investigated. The results show that the graphene-coated SCF polarizer can produce either TE- or TM-polarized wave that can be tuned via altering the chemical potential with the external electric field. When the length of graphene sheet is 3 mm, the extinction ratios of 25.1 and 26.0 dB can be achieved at the wavelength of 1550 nm for TE- and TM-pass polarizer, respectively. The SCF has a high mechanical strength and can be made directly by chemical modifications on the core surface without destroying the fiber structure. The proposed polarizer provides a potential way to manipulate the polarization of light in all fiber-integrated devices and highly integrated optical circuits.
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