Fiber optic polarization beam splitter using a reduced graphene oxide-based interlayer

Title
Fiber optic polarization beam splitter using a reduced graphene oxide-based interlayer
Authors
구준회박재현송용원이상배이관일이주한
Keywords
Reduced graphene oxide; Optical fiber device; Polarization beam splitter
Issue Date
2015-08
Publisher
Optical materials
Citation
VOL 46, 324-328
Abstract
A fiber-optic polarization beam splitter (PBS) incorporating reduced graphene oxide (rGO) as a metallic interlayer material is proposed and demonstrated. It is experimentally shown that the polarization beam splitting function can readily be obtained using a coupler structure with a thin rGO layer embedded between two side-polished fibers due to induced transverse magnetic (TM) surface waves. The rGO layer was prepared by a simple method of dielectric GO spraying and ultraviolet irradiation-based reduction. The polarization extinction ratio of our implemented PBS was measured to be 14.5 dB at a wavelength of 1550 nm for both through- and cross-port. Its operating bandwidth was shown to be at least 100 nm (from 1500 to 1600 nm), which was limited by the maximum tuning range of the input tunable laser used.
URI
http://pubs.kist.re.kr/handle/201004/50992
ISSN
09253467
Appears in Collections:
KIST Publication > Article
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