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Hybrid 3-D-printing technology for tunable THz applications

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Title: Hybrid 3-D-printing technology for tunable THz applications
Authors: Otter, W
Lucyszyn, S
Item Type: Journal Article
Abstract: In recent years, additive manufacturing has experienced rapid growth, due to its inherent capabilities for creating arbitrary 3-D structures, accessibility and associated low manufacturing costs. This paper first reviews the state of the art in 3-D printing for terahertz (THz) applications and identifies the critical features required for such applications. The future potential for this technology is demonstrated experimentally with the first 3-D printed, optically-controlled THz I-Q vector modulator. Here, miniature high-resistivity silicon implants are integrated into metal-pipe rectangular waveguides. The 3-D printed split-block assembly also includes two packaged infrared laser diodes and a heat sink. The measured performance of a proof-of-principle 4-QAM vector modulator that can operate up to 500 GHz is reported. This new hybrid 3-D printing THz technology, which combines semiconductor devices with potentially low cost, high performance passive guided-wave structures represents a paradigm shift and may prove to be an ideal solution for implementing affordable transceivers in future ubiquitous THz applications.
Issue Date: 1-Apr-2017
Date of Acceptance: 7-Nov-2016
URI: http://hdl.handle.net/10044/1/43392
DOI: 10.1109/JPROC.2016.2629958
ISSN: 0018-9219
Publisher: Institute of Electrical and Electronics Engineers
Start Page: 756
End Page: 767
Journal / Book Title: Proceedings of the Institute of Electrical and Electronics Engineers (IEEE)
Volume: 105
Issue: 4
Copyright Statement: © 2016 The Author(s). This work is licensed under a Creative Commons Attribution 3.0 License. For more information, see http://creativecommons.org/licenses/by/3.0/
Sponsor/Funder: Engineering & Physical Science Research Council (EPSRC)
Funder's Grant Number: EP/M001121/1
Keywords: Science & Technology
Engineering, Electrical & Electronic
Additive manufacturing
fused deposition modeling (FDM)
metal-pipe rectangular waveguide (MPRWG)
quaternary amplitude modulation (QAM)
selective laser melting (SLM)
selective laser sintering (SLS)
stereolithographic apparatus (SLA)
terahertz (THz)
3-D printing
vector modulator
0801 Artificial Intelligence and Image Processing
0903 Biomedical Engineering
0906 Electrical and Electronic Engineering
Publication Status: Published
Open Access location: http://ieeexplore.ieee.org/document/7797186/
Online Publication Date: 2016-12-23
Appears in Collections:Electrical and Electronic Engineering
Faculty of Engineering