TY - JOUR
T1 - Frequency-division multiplexing in the terahertz range using a leaky-wave antenna
AU - Karl, Nicholas J.
AU - McKinney, Robert W.
AU - Monnai, Yasuaki
AU - Mendis, Rajind
AU - Mittleman, Daniel M.
N1 - Funding Information:
The authors thank K. Reichel for contributions. This work was supported by the US National Science Foundation and the W.M. Keck Foundation.
Publisher Copyright:
© 2015 Macmillan Publishers Limited. All rights reserved.
PY - 2015/10/29
Y1 - 2015/10/29
N2 - The idea of using radiation in the 0.1-1.0THz range as carrier waves for free-space wireless communications has attracted growing interest in recent years, due to the promise of the large available bandwidth. Recent research has focused on system demonstrations, as well as the exploration of new components for modulation, beam steering and polarization control. However, the multiplexing and demultiplexing of terahertz signals remains an unaddressed challenge, despite the importance of such capabilities for broadband networks. Using a leaky-wave antenna based on a metal parallel-plate waveguide, we demonstrate frequency-division multiplexing and demultiplexing over more than one octave of bandwidth. We show that this device architecture offers a unique method for controlling the spectrum allocation, by variation of the waveguide plate separation. This strategy, which is distinct from those previously employed in either the microwave or optical regimes, enables independent control of both the centre frequency and bandwidth of multiplexed terahertz channels.
AB - The idea of using radiation in the 0.1-1.0THz range as carrier waves for free-space wireless communications has attracted growing interest in recent years, due to the promise of the large available bandwidth. Recent research has focused on system demonstrations, as well as the exploration of new components for modulation, beam steering and polarization control. However, the multiplexing and demultiplexing of terahertz signals remains an unaddressed challenge, despite the importance of such capabilities for broadband networks. Using a leaky-wave antenna based on a metal parallel-plate waveguide, we demonstrate frequency-division multiplexing and demultiplexing over more than one octave of bandwidth. We show that this device architecture offers a unique method for controlling the spectrum allocation, by variation of the waveguide plate separation. This strategy, which is distinct from those previously employed in either the microwave or optical regimes, enables independent control of both the centre frequency and bandwidth of multiplexed terahertz channels.
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U2 - 10.1038/nphoton.2015.176
DO - 10.1038/nphoton.2015.176
M3 - Article
AN - SCOPUS:84946482391
SN - 1749-4885
VL - 9
SP - 717
EP - 720
JO - Nature Photonics
JF - Nature Photonics
IS - 11
ER -