CST – Computer Simulation Technology

Bends and splitters in graphene nanoribbon waveguides

Title:
Bends and splitters in graphene nanoribbon waveguides
Author(s):
Xiaolong Zhu, Wei Yan, N. Asger Mortensen, Sanshui Xiao
Source:
OPTICS EXPRESS
Vol./Issue/Date:
Volume: 21, Issue: 3, 11 February 2013
Year:
2013
Page(s):
3486-3491
Keywords:
nanoribbon, waveguides
Abstract:
We investigate the performance of bends and splitters in graphene nanoribbon waveguides. Although the graphene waveguides are lossy themselves, we show that bends and splitters do not induce any additional loss provided that the nanoribbon width is sub-wavelength. We use transmission line theory to qualitatively interpret the behavior observed in our simulation. Our results pave a promising way to realize ultra-compact devices operating in the terahertz region.
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