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Our mission: Bringing practical business and technical intelligence to today's structured cabling professionals

For more than 30 years, Cabling Installation & Maintenance has provided useful, practical information to professionals responsible for the specification, design, installation and management of structured cabling systems serving enterprise, data center and other environments. These professionals are challenged to stay informed of constantly evolving standards, system-design and installation approaches, product and system capabilities, technologies, as well as applications that rely on high-performance structured cabling systems. Our editors synthesize these complex issues into multiple information products. This portfolio of information products provides concrete detail that improves the efficiency of day-to-day operations, and equips cabling professionals with the perspective that enables strategic planning for networks’ optimum long-term performance.

Throughout our annual magazine, weekly email newsletters and 24/7/365 website, Cabling Installation & Maintenance digs into the essential topics our audience focuses on.

  • Design, Installation and Testing: We explain the bottom-up design of cabling systems, from case histories of actual projects to solutions for specific problems or aspects of the design process. We also look at specific installations using a case-history approach to highlight challenging problems, solutions and unique features. Additionally, we examine evolving test-and-measurement technologies and techniques designed to address the standards-governed and practical-use performance requirements of cabling systems.
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Cabling Installation & Maintenance is published by Endeavor Business Media, a division of EndeavorB2B.

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Keysight and McGill University Demonstrate Record 1.6 Tbps O-band Coherent Transmission over 10 Kilometers

  • Industry-first demonstration enables use of power-efficient coherent optical wavelengths to meet growing data center bandwidth demands
  • Collaboration achieves record 1.2 Tbps and 1.6 Tbps transmission rates over 10 km using distributed feedback lasers for the carrier and local oscillators
  • Keysight’s industry leading Arbitrary Waveform Generator facilitates accomplishment

Keysight Technologies, Inc. (NYSE: KEYS) and McGill University have successfully demonstrated a world record 1.2 Tbps and 1.6 Tbps O-band coherent transmissions operating over 10 km using distributed feedback lasers (DFBs) for both the carrier and local oscillator. The achievement will be presented at OFC 2023, the largest global conference for optical communications and networking professionals.

Artificial intelligence (AI), 5G, and internet of things applications are driving the demand for more bandwidth in optical networks. Leveraging high symbol rate systems increases the aggregate per-wavelength data rate to reduce the cost-per-bit in optical systems. A key trend in data centers is the transition to higher symbol rates through integrated optics, which reduces the component count, cost, and power consumption.

To address growing short-reach intra-data center traffic demands -- from 2 to 10 km – coherent transmission systems are being considered as an alternative to intensity modulation direct detection (IMDD) systems that are currently operating at 200 Gbps per wavelength over 2 km in the O-band. Low chromatic dispersion makes power-efficient coherent links an attractive replacement for IMDD technologies at 1.6 Tbps and beyond.

To demonstrate improvements in short-reach intra-data center transmission rates using coherent O-band solution, Keysight, McGill University, and other research partners collaborated to achieve the record-breaking transmission. The demonstration system consisted of Keysight’s new M8199B 256 GSa/s Arbitrary Waveform Generator that delivers 75 GHz bandwidth in combination with a thin-film lithium niobate I/Q modulator with 100 GHz bandwidth and a 110 GHz 256 GSa/s Keysight Infiniium UXR-Series Oscilloscope. The accomplishment showcased how data centers can use coherent optical fiber transmission systems operating at 167 Gbaud, using dual-polarization, 64-quadrature amplitude modulation scheme to transmit signals at 1.6 Tbps in the O-band using DFBs for the carrier and local oscillators.

McGill University Professor and Canada Research Chair David V. Plant said: “The McGill University research team is very proud to be working with the test and measurement leader Keysight, and our partners, all of whom contributed to achieving this new record. The breakthrough was accomplished by using the latest technologies, including Keysight’s recently announced and most powerful Arbitrary Waveform Generator. This achievement is a significant demonstration on the path to consolidating short-reach, O-band, coherent optical fiber transmission systems for data center interconnect applications.”

Dr. Joachim Peerlings, Vice President of Network and Data Center Solutions at Keysight Technologies, said: “Pushing coherent technologies into the O-band is essential for its future, ubiquitous use in data centers. Our record 1.6 Tbps O-band coherent transmission with Canada’s McGill University is a key milestone towards this goal. The continued proliferation of AI requires new levels of server and network performance that must scale computing resources within reasonable energy bounds. This result is a milestone for the industry moving towards greener data centers.”

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About Keysight Technologies

At Keysight (NYSE: KEYS), we inspire and empower innovators to bring world-changing technologies to life. As an S&P 500 company, we’re delivering market-leading design, emulation, and test solutions to help engineers develop and deploy faster, with less risk, throughout the entire product lifecycle. We’re a global innovation partner enabling customers in communications, industrial automation, aerospace and defense, automotive, semiconductor, and general electronics markets to accelerate innovation to connect and secure the world. Learn more at Keysight Newsroom and www.keysight.com.

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