Exploring New Technologies — the Global Webinar Titled “Linear Drive Enables Green All-Optical Connectivity for Data Centers” Is Coming

2023-03-15 Source:https://www.lightcounting.com/

● Webinar Theme: Linear Drive Enables Green All-Optical Connectivity for DCs
● Time: 17:00–19:00, March 21, 2023 (PDT – USA)
20:00–22:00, March 21, 2023 (EDT – USA)
8:00–10:00, March 22, 2023 (CST – China)
● Languare: English
● Form: Zoom online conference room, free
● Language: English
● Organizers: IPEC, LightCounting

The data center industry has seen massive growth around the world. Emerging applications such as artificial intelligence (AI), big data, and cloud computing are driving the rapid growth of network bandwidth in data centers, expanding the scale of networks, and flattening network architectures. This has created higher requirements on the density and power consumption of switch ports.

The high-speed development of ultra-broadband optical interconnections between data centers also increases unit capacity costs, bandwidth density, and the energy efficiency of switches and optical modules. Since 2010, the capacity of ASIC and optical modules has increased by 40 times, with the ASIC capacity going from 0.64 Tbit/s to 25.6 Tbit/s and the optical module capacity going from 10 Gbit/s to 400 Gbit/s.

However, as Moore’s Law slows down, the evolution of chip processors approaches a physical bottleneck. Electrical signals face greater challenges in signal integrity. SerDes power consumption is increasing, as is the power consumption of the entire link, which tends to exceed the power consumption of the switching chip. Reducing power consumption while also optimizing the heat dissipation of optical modules in high-density systems through innovative system architectures has become a hot research topic in the photoelectron field.

In the post-Moore era, how can we cope with the increasingly strict requirements on the power consumption of optical modules in data centers?
The industry has witnessed both new technical solutions of pluggable optics and popular co-packaged optics (CPO) solutions, in which the switch ASIC and optical engine are integrated and co-packaged by advanced integrated packaging technologies. No matter which technical path is used, reducing system power consumption is a challenge to achieving continuous breakthroughs in development and evolution.
The high-speed optical interconnection solution for data centers has ushered in the 112G SerDes era. Both pluggable optics and CPO use an ODSP-based system architecture, which is a major contributor to the overall power consumption of optical modules. The industry is considering introducing the linear drive technology between the ASIC and the transceiver so that the EQ capability of the SerDes in the ASIC can be used to reduce power consumption. As a topic that has attracted wide attention in the industry, linear drive technology is also considered to provide a balance when it comes to reducing power consumption, cost, and implementing complexity of high-speed ports.

Will linear drive technology be an effective method for reducing system power consumption?
Linear drive technology removes the DSP chip to construct a pluggable or CPO analog interface solution, which can effectively reduce system power consumption. However, this technology also faces challenges, such as in analog interface reliability, performance deterioration due to interface crosstalk, and manufacturing, as well as higher requirements on link balancing and in the driving capabilities of the main chip. Therefore, the application and deployment of this technology need to be discussed, verified, and developed by the entire the optoelectronic industry.

On March 21, 2023, IPEC and LightCounting will hold a global webinar titled “Linear Drive Enables Green All-Optical Connectivity for Data Centers.” Experts from Meta, Huawei, NVIDIA, Ranovus, MACOM, Source Photonics, and Nubis Communications will be invited to share their views and discuss the key technical challenges of linear drive technology, whether it will meet market demands, and its future application scenarios.

(1) In which scenarios will optical system solutions using linear drive technology most likely be first applied?
(2) Does the linear pluggable solution differ from the CPO solution in terms of application scenarios? Will the linear pluggable optics solution affect CPO application progress?
(3) Are there any prerequisites for applying linear drive technology to pluggable optics and CPO solutions? What are the key features? What is the current research progress?
(4) Unlike the linear CPO integrated solution, the linear pluggable solution requires a series of analog interface standardization work. Due to tight optical-electrical coupling in its overall link performance, does the linear pluggable solution need more technical collaboration to ensure the construction of an open ecosystem that can be interconnected? What are the challenges in its future evolution?


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Topic & Speaker
10min Welcom & Intro
IPEC & LightCounting
10min Industry at a crossroads
Vladimir Kozlov, Founder and CEO, LightCounting
10min Perspective on Linear Direct Drive Pluggable Optics
Janet Chen, Technical Sourcing Manager of Meta
10min Why is Linear Drive Important
Craig Thompson, Nvidia
10min Andy Bechtolsheim, Founder, Chief Development Officer and Chairman, Arista Networks
10min A framework for developing non-retimed optical links
Jeff Hutchins, Director of Optical Technologies, CTO Office of RANOVUS
10min Opportunities and Challenges for Linear Drive Technology
Man Jiangwei, Director of Huawei’s Advanced Opto-Electronics Laboratory
10min Linear (MACOM PURE DRIVETM) drive technology in high-speed optical links
Ryan Latchman, Vice President, High Performance Connectivity Product Marketing, MACOM
10min Frank Chang, Chief Engineer and CTO, Source Photonics
10min Linear optical pluggables for 100G and 200G per lane
Peter Winzer, Founder and CTO, Nubis Communications
10min System Modeling of Linear Transceivers: Challenges and Opportunities for Link Performance Analysis
Aleksey Tyshchenko, Founder, SeriaLink Systems
20min Panel Discussion
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Distinguished Speakers

Vladimir Kozlov
Founder and CEO, LightCounting
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Profile: Vladimir Kozlov is the founder and CEO of LightCounting, which he set up in 2004. By now, LightCounting is the leading market research company covering the global communications industry, including optical and wireless networks. Dr. Kozlov has more than 30 years of experience in optoelectronic technologies and devices, optical communications and market research. Dr. Kozlov held market analyst, product development and research staff positions at RHK Inc., Lucent Technologies and Princeton University. Dr. Kozlov holds several US patents and has numerous publications in the area of optoelectronics. He received M.Sc. at Moscow State University in Russia and Ph.D in Physics at Brown University in the United States.

Janet Chen
Technical Sourcing Manager of Meta
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Profile: Janet Chen is a Technical Sourcing Manager for Fiber Optics at Meta, where she links technology into business value to bring the world closer together. Prior to joining Meta, she has worked as Director of Product Line Management at Neophotonics and as Product Marketing Manager at FOIT. She has also worked as a Research Scientist at HP Labs and NTT Photonics Labs. She received her Ph.D. in Electrical and Computer Engineering from University of California, Santa Barbara, and B.S. from National Taiwan University. She is a Senior Member of IEEE.

Andy Bechtolsheim
Founder, Chief Development Officer and Chairman, Arista Networks
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Profile: Andreas “Andy” Bechtolsheim is Chairman, Chief Development Officer and Co-Founder of Arista Networks. Previously, Andy was a Co-Founder and Chief System Architect at Sun Microsystems, responsible for next generation server, storage, and network architectures. Andy received a M.S. in Computer Engineering from Carnegie Mellon University in 1976 and was a doctoral student in Computer Engineering at Stanford University from 1977 to 1982. He has been honored with a Fulbright scholarship, the Stanford Entrepreneur Company of the year award, the Smithsonian Leadership Award for Innovation, the EY 2015 US Entrepreneur of the Year Award (together with Jayshree Ullal) and is a member of the National Academy of Engineering.

Jeff Hutchins
Director of Optical Technologies, CTO Office of RANOVUS
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Profile: Jeff Hutchins works for RANOVUS as Director of Optical Technologies in the CTO’s office and has been active in multiple industry-based standards development activities spanning decades. Most recently, he has been active in standardization of co-packaging. He has previously worked for HP, iolon, Intel, CoreOptics, and Cisco.Abstract: There has been a lot of interest in non-retimed links sometimes referred to as “direct drive” or “linear drive” links. This presentation discusses non-retimed links, their use cases, considerations for standardization, and suggests an approach to evaluate their performance and suitability for an application.

Man Jiangwei
Director of Huawei’s Advanced Opto-Electronics Laboratory
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Profile: Dr. Man Jiangwei, director of Huawei’s Advanced Opto-Electronics Laboratory, is responsible for researching advanced technologies of optical systems, optical modules, and chips, as well as optoelectronic standards and patents. Dr. Man has led his opto-electronics R&D team to make outstanding contributions to 25 Gbit/s, 50 Gbit/s, 100 Gbit/s, and 400 Gbit/s optical modules/chips, optical transmission system research, and standards research, and is committed to technical research and innovation in various optoelectronic services. Dr. Man obtained a bachelor degree from the School of Physical Sciences of Nankai University and a doctoral degree from the Institute of Semiconductors (IOS) of the Chinese Academy of Sciences (CAS).Abstract: Compared with the traditional pluggable transceiver solution, the linear drive technology shows much potential in future application, and brings much benefit in the power consumption and cost. Meanwhile, the opportunities and challenges for the linear driver technology will also be discussed in this presentation.

Ryan Latchman
MACOM Vice President, High Performance Connectivity Product Marketing
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Profile: Ryan Latchman holds a B.Eng & Mgmt from McMaster University, an M.Eng from the University of Toronto, and an MBA from the Rotman School of Management. Mr. Latchman is currently VP, High-Performance Connectivity Product Marketing at MACOM Technology Solutions Inc. with a focus on physical layer components used in Datacom and Telecom applications. Mr. Latchman has also contributed to industry standardization efforts in the IEEE, OIF, and Fibre Channel.Abstract: As the optical industry moved from NRZ to PAM-4 and now 100Gb/s per lane, the power consumption associated with retiming within optical modules has increased significantly due to added DSP functionality. At the same time, the capability of end point ASICs has improved to support a wide range of configurations / loss budgets. This dynamic necessitates taking a fresh look at optimal link partitioning to reduce overall power consumption while maintaining overall port flexibility. This presentation will review historical power benchmarks, as well as the benefits for leveraging linear drive technology.

Frank Chang
Source Photonics Chief Engineer and CTO
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Profile: Frank Chang is an expert in photonic IC technologies, optics transceivers, and optical networking. He is currently Source Photonics’ Chief Engineer for advanced and next-generation transceiver design. Previously he served as a senior Principal Engineer for Optics Interconnect within the CTO Optics Office at Inphi Corporation for over 5 years after over 12 years of service at Vitesse Semiconductors. In addition, he also held various project and management positions with Cisco/Pirelli, and JDS Uniphase, working on the design, development, and commercialization of fiber optics components. Frank is the Chair of Advanced Technology Working Group of IPEC (The International Photonics & Electronics Committee). Frank obtained his Ph.D degree in Optoelectronics from the Ecole Polytechnique, University of Montreal, Canada for his research thesis on ultrafast optical generation of 1550nm tunable solid-state lasers. Besides Frank is senior member of IEEE and OSA Fellow.

Peter Winzer
Founder & CTO of Nubis Communications
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Profile: Prior to founding Nubis, Dr. Winzer led Bell Labs’ fiber-optic transmission research, setting multiple high-speed optical transmission records, contributing to product developments and live field trials. He has published over 500 scientific papers, holds over 80 granted patents and is a Bell Labs Fellow, Fellow of the IEEE and Optica, Member of the US National Academy of Engineering, and John Tyndall Awardee, and has served as Editor-in-Chief of the Journal of Lightwave Technology, Program Chair of ECOC and Program/General Chair of OFC. He holds an honorary doctorate from the Technical University of Eindhoven in addition to his Ph.D. in electrical engineering from the Technical University of Vienna.Abstract: Today’s high-end switch ASICs generally embed SerDes macros able to drive worst-case electrical channels, which are typically direct-attach cables (DACs), i.e., consist of a first electrical trace from the host ASIC to the front panel, a DAC, and a second electrical trace from the front panel to the host ASIC. If optical modules can be made to “look like copper” in the sense of not being any worse than a DAC, the ASIC-embedded SerDes can equalize the end-to-end electrical-optical-electrical channel without any retimers or Optics DSPs. This approach halves the optical pluggable power consumption. In this talk, we show how Nubis’ optical technology and related system architectures enable linear-drive optical pluggables for 100G and 200G per lane applications.

Aleksey Tyshchenko
Founder & CEO of SeriaLink Systems
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Profile: Aleksey Tyshchenko is a founder of SeriaLink Systems – a consulting team focusing on system modeling of high-speed serial links, IBIS-AMI modeling, model correlation, and system validation. SeriaLink Systems is working on building a configurable modeling flow to support SerDes projects through their entire life cycles: from architecture definition, through analog and digital design, to design validation. He has been working on behavioral modeling of high-speed SerDes systems, architecture analysis, adaptation, and signal integrity with multi-standard SerDes IP teams at V Semi and Intel. His PhD research at the University of Toronto, Canada, focused on CDR systems for high-speed ADC-based receivers.Abstract: With data rates increasing beyond 100Gb/s, link performance analysis becomes increasingly challenging due to emerging SerDes architectures, channel impairments, cross-talk, and noise. At the same time, adequate link performance analysis is an essential step towards enabling practical communication standards and successful serial link systems. This presentation explores challenges and opportunities for linear transceiver modeling to enable accurate analysis of serial link systems.

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About IPEC
IPEC www.ipec-std.org is an international standards organization that is committed to developing open optoelectronic standards and delivering strategic roadmap reports. IPEC focuses on standardizing solutions in optical chips, optical/electrical components, and optical modules. Markets addressed by IPEC include 5G, IoT and AI. IPEC is open to any interested party who wishes to join. All IPEC members have the opportunity to participate in the development of all IPEC standards and reports on a non-discriminatory basis. The development process is transparent to all members. IPEC is registered in Switzerland.
About LightCounting Market Research
Nineteen years ago, LightCounting began with an analyst team focused on research for high-speed interconnects for the datacom, telecom, and consumer communications markets. From that time our research team has grown to cover the whole supply chain supporting Optical Networks and Datacenters. In early 2020, we added coverage of the global Wireless Infrastructure market as well. We have been defining and refining the market intelligence mix ever since, to offer our clients a unique perspective on the industry landscape ahead and a clear roadmap to navigate it with.
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