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Volume 26 - ICOP & ICPET 2020
ICOP & ICPET _ INPC _ ICOFS 2020, 26 - ICOP & ICPET 2020: 1105-1108 |
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Farmani A, Mir A, Behzad-far F, Jani-pour F, Hosseini E, Nasiri E et al . Modelling of a Tunable Graphene Plasmonics Polarization Beam Splitter. ICOP & ICPET _ INPC _ ICOFS 2020; 26 :1105-1108
URL: http://opsi.ir/article-1-2200-en.html
URL: http://opsi.ir/article-1-2200-en.html
Ali Farmani *1 
, Ali Mir1 , Fatemeh Behzad-far1 , Fatemeh Jani-pour1 , Elahe Hosseini1 , Elahe Nasiri1 , Javad Hasanvand1
, Ali Mir1 , Fatemeh Behzad-far1 , Fatemeh Jani-pour1 , Elahe Hosseini1 , Elahe Nasiri1 , Javad Hasanvand1
1- Faculty of Engineering, Lorestan University, Khoram-abad, Iran
Abstract: (1714 Views)
The analysis, and realization of a tunable polarization beam splitter based on the plasma dispersion effect at near infrared frequencies are presented. By utilizing graphene as a tunable optical material, various types of splitter including TE and TM are implemented. The structure considered here supports graphene plasmons whose dispersion properties can be harnessed by applying an external voltage to the graphene. By utilizing this feature, coupling of the incident light to the graphene plasmons of the structure is used to enhance the extinction ratio of the proposed structure. The output extinction ratio reached to the values as high as 21 dB and the footprint was reduced to 1290nm×4mm×2mm. This provides a path for development of novel practical on-chip applications such as plasmonic rotator devices.
Keywords: Graphene Plasmonics, Polarization Beam Splitter
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