Tektronix Instruments Support First Data Transmission Through Terahertz Multiplexer
Poster: SySAdmin
Posted on January 3, 2018 at 9:35:01 AM
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<div xmlns="http://www.w3.org/1999/xhtml" xmlns:xn="http://www.xmlnews.org/ns/" class="xn-newslines">
<h1 class="xn-hedline">Tektronix Instruments Support First Data Transmission Through Terahertz Multiplexer</h1>
<h2 class="xn-hedline">DPO70000SX 70 GHz Oscilloscope, AWG70000 AWGs Play Key Role in International Research Team's Demonstration of 50 Gb/s Wireless Data Transfers</h2>
<p class="xn-distributor">PR Newswire</p>
<p class="xn-dateline">BEAVERTON, Ore., Jan. 3, 2018</p>
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<p>
<span class="xn-location">BEAVERTON, Ore.</span>, <span class="xn-chron">Jan. 3, 2018</span> /PRNewswire/ -- Tektronix, a leading worldwide provider of measurement solutions, today announced that its instruments played an important role in a technology demonstration that could one day enable the next generation of ultra-high bandwidth wireless communications links. In an article published in the journal <i>Nature Communications</i>, an international research team reported the first transmission of two real-time video signals through a terahertz multiplexer at an aggregate data rate of 50 gigabits per second, some100x faster than cellular networks.</p>
<p>With demand for wireless data transmission speeds and capacities growing beyond what microwave signals can carry, the search is on for ways to use higher frequency THz waves that have a much larger capacity to carry data. One of the teams leading the way is an international collaboration between <span class="xn-org">Brown University</span> and the Institut d'Electronique de Microélectronique et de Nanotechnologie (IEMN), CNRS/University of <span class="xn-location">Lille</span>, in <span class="xn-location">France</span>.</p>
<p>This team has <a href="https://www.tek.com/document/news-release/tektronix-iemn-collaborate-demonstrate-world%E2%80%99s-fastest-wireless-optical-bridge" rel="nofollow" target="_blank">previously shown</a> that the worlds of fiber optics and radio can be bridged using photonic-based THz circuits to achieve high-data rates. However, for any system to be viable, a system for multiplexing and demultiplexing (mux/demux) signals is a fundamental requirement. Using a waveguide system involving two metal plates in parallel, the researchers encoded two high-definition television broadcasts onto terahertz waves of two different frequencies: 264.7 GHz and 322.5 GHz. They then sent both frequencies together into the multiplexer system, with a television receiver set to detect the signals as they emerged from the device. Further experiments show that this system could deliver data rates up to 50 Gb/s with low error rates. </p>
<p>
<b>The role of test instrumentation</b>
</p>
<p>The experiments in the demonstration employed QPSK modulation. For these, the optical signal was modulated using a dual-nested Mach-Zender modulator before a photomixing process generated the dual THz signals. Two Tektronix <a href="https://www.tek.com/signal-generator/awg70000-arbitrary-waveform-generator" rel="nofollow" target="_blank"><span class="xn-money">AWG70000</span> Series arbitrary waveform generators</a> were then used to create two baseband non-return-to-zero (NRZ) data signals for the in-phase and quadrature data flows. </p>
<p>For detection, the dual frequency THz signal was down-converted in a Schottky-based sub-harmonic mixer to below 40 GHz. The output was then amplified and detected by a Tektronix <a href="https://www.tek.com/oscilloscope/dpo70000sx" rel="nofollow" target="_blank">DPO70000SX 70 GHz oscilloscope</a>. The two QPSK signals corresponding to the down-converted THz channels were further analyzed to recover the modulated data and the corresponding constellation diagrams.</p>
<p>"What this demonstration definitely showed is that a THz multiplexing system can be used to carry actual data without the streams interfering with each other," said <span class="xn-person">Guillaume Ducournau</span>, an assistant professor at IEMN. "With support from Tektronix, we were able to fully test and characterize our system and the results show that this approach could lead to future commercial application of THz wireless networks."</p>
<p>
<span class="xn-person">Dean Miles</span>, market development manager in <span class="xn-location">Europe</span>, <span class="xn-location">Middle East</span> and <span class="xn-location">Africa</span> for Tektronix added, "We are absolutely delighted to be involved with IEMN on this technology collaboration. The bridging of fiber optics and radio technologies using photonic-based THz circuits to achieve high-data rates is an area of continuous innovation and this is another example of how test and measurement enables innovation. Advanced test tools are needed today to generate and characterize signals at 100G, 400G and beyond and Tektronix offers a wide portfolio of optical communication test solutions, including those used on this ground-breaking research effort."</p>
<p>
<b>Wondering what else Tektronix is up to?</b> Check out the Tektronix <a href="http://www.tek.com/blog" rel="nofollow" target="_blank">Bandwidth Banter blog</a> and stay up to date on the latest news from Tektronix on <a href="https://twitter.com/tektronix" rel="nofollow" target="_blank">Twitter</a> and <a href="http://www.facebook.com/Tektronix" rel="nofollow" target="_blank">Facebook</a>.</p>
<p>
<b>About Tektronix</b>
</p>
<p>Headquartered in <span class="xn-location">Beaverton, Oregon</span>, Tektronix delivers innovative, precise and easy-to-operate test, measurement and monitoring solutions that solve problems, unlock insights and drive discovery. Tektronix has been at the forefront of the digital age for over 70 years. Join us on the journey of innovation at <a href="http://www.tektronix.com/" rel="nofollow" target="_blank">TEK.COM</a>. </p>
<p>
<i>Tektronix is a registered trademark of Tektronix, Inc. All other trade names referenced are the service marks, trademarks or registered trademarks of their respective companies. </i>
</p>
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<div xmlns="http://www.w3.org/1999/xhtml" xmlns:xn="http://www.xmlnews.org/ns/" class="xn-newslines">
<h1 class="xn-hedline">Tektronix Instruments Support First Data Transmission Through Terahertz Multiplexer</h1>
<h2 class="xn-hedline">DPO70000SX 70 GHz Oscilloscope, AWG70000 AWGs Play Key Role in International Research Team's Demonstration of 50 Gb/s Wireless Data Transfers</h2>
<p class="xn-distributor">PR Newswire</p>
<p class="xn-dateline">BEAVERTON, Ore., Jan. 3, 2018</p>
</div>
<div class="xn-content" xmlns="http://www.w3.org/1999/xhtml" xmlns:xn="http://www.xmlnews.org/ns/">
<p>
<span class="xn-location">BEAVERTON, Ore.</span>, <span class="xn-chron">Jan. 3, 2018</span> /PRNewswire/ -- Tektronix, a leading worldwide provider of measurement solutions, today announced that its instruments played an important role in a technology demonstration that could one day enable the next generation of ultra-high bandwidth wireless communications links. In an article published in the journal <i>Nature Communications</i>, an international research team reported the first transmission of two real-time video signals through a terahertz multiplexer at an aggregate data rate of 50 gigabits per second, some100x faster than cellular networks.</p>
<p>With demand for wireless data transmission speeds and capacities growing beyond what microwave signals can carry, the search is on for ways to use higher frequency THz waves that have a much larger capacity to carry data. One of the teams leading the way is an international collaboration between <span class="xn-org">Brown University</span> and the Institut d'Electronique de Microélectronique et de Nanotechnologie (IEMN), CNRS/University of <span class="xn-location">Lille</span>, in <span class="xn-location">France</span>.</p>
<p>This team has <a href="https://www.tek.com/document/news-release/tektronix-iemn-collaborate-demonstrate-world%E2%80%99s-fastest-wireless-optical-bridge" rel="nofollow" target="_blank">previously shown</a> that the worlds of fiber optics and radio can be bridged using photonic-based THz circuits to achieve high-data rates. However, for any system to be viable, a system for multiplexing and demultiplexing (mux/demux) signals is a fundamental requirement. Using a waveguide system involving two metal plates in parallel, the researchers encoded two high-definition television broadcasts onto terahertz waves of two different frequencies: 264.7 GHz and 322.5 GHz. They then sent both frequencies together into the multiplexer system, with a television receiver set to detect the signals as they emerged from the device. Further experiments show that this system could deliver data rates up to 50 Gb/s with low error rates. </p>
<p>
<b>The role of test instrumentation</b>
</p>
<p>The experiments in the demonstration employed QPSK modulation. For these, the optical signal was modulated using a dual-nested Mach-Zender modulator before a photomixing process generated the dual THz signals. Two Tektronix <a href="https://www.tek.com/signal-generator/awg70000-arbitrary-waveform-generator" rel="nofollow" target="_blank"><span class="xn-money">AWG70000</span> Series arbitrary waveform generators</a> were then used to create two baseband non-return-to-zero (NRZ) data signals for the in-phase and quadrature data flows. </p>
<p>For detection, the dual frequency THz signal was down-converted in a Schottky-based sub-harmonic mixer to below 40 GHz. The output was then amplified and detected by a Tektronix <a href="https://www.tek.com/oscilloscope/dpo70000sx" rel="nofollow" target="_blank">DPO70000SX 70 GHz oscilloscope</a>. The two QPSK signals corresponding to the down-converted THz channels were further analyzed to recover the modulated data and the corresponding constellation diagrams.</p>
<p>"What this demonstration definitely showed is that a THz multiplexing system can be used to carry actual data without the streams interfering with each other," said <span class="xn-person">Guillaume Ducournau</span>, an assistant professor at IEMN. "With support from Tektronix, we were able to fully test and characterize our system and the results show that this approach could lead to future commercial application of THz wireless networks."</p>
<p>
<span class="xn-person">Dean Miles</span>, market development manager in <span class="xn-location">Europe</span>, <span class="xn-location">Middle East</span> and <span class="xn-location">Africa</span> for Tektronix added, "We are absolutely delighted to be involved with IEMN on this technology collaboration. The bridging of fiber optics and radio technologies using photonic-based THz circuits to achieve high-data rates is an area of continuous innovation and this is another example of how test and measurement enables innovation. Advanced test tools are needed today to generate and characterize signals at 100G, 400G and beyond and Tektronix offers a wide portfolio of optical communication test solutions, including those used on this ground-breaking research effort."</p>
<p>
<b>Wondering what else Tektronix is up to?</b> Check out the Tektronix <a href="http://www.tek.com/blog" rel="nofollow" target="_blank">Bandwidth Banter blog</a> and stay up to date on the latest news from Tektronix on <a href="https://twitter.com/tektronix" rel="nofollow" target="_blank">Twitter</a> and <a href="http://www.facebook.com/Tektronix" rel="nofollow" target="_blank">Facebook</a>.</p>
<p>
<b>About Tektronix</b>
</p>
<p>Headquartered in <span class="xn-location">Beaverton, Oregon</span>, Tektronix delivers innovative, precise and easy-to-operate test, measurement and monitoring solutions that solve problems, unlock insights and drive discovery. Tektronix has been at the forefront of the digital age for over 70 years. Join us on the journey of innovation at <a href="http://www.tektronix.com/" rel="nofollow" target="_blank">TEK.COM</a>. </p>
<p>
<i>Tektronix is a registered trademark of Tektronix, Inc. All other trade names referenced are the service marks, trademarks or registered trademarks of their respective companies. </i>
</p>
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<p id="PURL">
<img alt="Cision" height="12" src="https://c212.net/c/img/favicon.png?sn=SF76118&sd=2018-01-03" title="Cision ID" width="12"> View original content with multimedia:<a href="http://www.prnewswire.com/news-releases/tektronix-instruments-support-first-data-transmission-through-terahertz-multiplexer-300574730.html" id="PRNURL" rel="nofollow">http://www.prnewswire.com/news-releases/tektronix-instruments-support-first-data-transmission-through-terahertz-multiplexer-300574730.html</a>
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<p>SOURCE Tektronix, Inc.</p>
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<p>CONTACT: Amy Higgins, PR Manager, Tektronix, ahiggins@tektronix.com, 503.627.6497 <br>
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