Tuesday, March 26, 2024

Lumentum demos 200G per Lane InP Components

Lumentum is extending its indium phosphide (InP) transceiver component leadership with its new 200G Lens Integrated Photodiode (LIPD) that supports operation up to 200 Gbps per lane, enabling next-generation 800G and 1.6T optical transceivers for large-scale AI and ML applications. Featuring high responsivity and bandwidth, the 200G LIPD is designed for seamless integration with flip-chip bonding techniques and is now available for sampling. 

The 200G LIPD complements Lumentum’s high-volume, production ready 200G externally modulated lasers (EMLs).

 Lumentum says the 200G Lens Integrated Photodiode could be used by optical transceiver manufacturers for best-in-class transmit and receive components for their next-generation 800G and 1.6T solutions.

Adtran shows ultra-low-power 100G PAM4 single-mode VCSEL

Adtran teamed up with Vertilas to develop a 100Gbit/s PAM4 single-mode vertical-cavity surface-emitting laser (VCSEL) with capabilities up to 1.6Tbit/s. 

The new VCSEL technology leverages a short-cavity single-mode design and is based on indium phosphide semiconductor material. This enables it to operate across both O-band and C-band wavelengths, delivering 100Gbit/s per channel. By stacking multiple single-mode lasers into arrays, this approach achieves throughput of 800Gbit/s and 1.6Tbit/s, ensuring superior performance with a significant reduction in power consumption and costs. This enhanced energy efficiency presents a major advantage for IP router and Ethernet switch faceplate density. 

Adtrans says the technology could be extended to support other applications from DR4/8/16 to various FR4 links within optical engines, all while maintaining power consumption below 200mW per lane.

The companies cite up to 80% reduction in power on the transmit optics compared to conventional solutions, with the new module consuming less than 2pJ/bit, including the laser driver. This significantly undercuts current industry standards, including those cited by co-packaged optics. 

“As the importance of data volume and speed escalates, the demand for increased bandwidth and enhanced energy efficiency accelerates. Our introduction of the market’s first 100Gbit/s PAM4 single-mode VCSEL technology, scalable to 1.6Tbit/s, epitomizes our proactive approach to tackling these emerging requirements. By pushing the limits of speed and significantly reducing power consumption, we’re creating tomorrow’s benchmarks,” said Ross Saunders, GM of optical engines at Adtran. “Our new technology promises to significantly improve intra-data center connectivity and AI application efficiencies, merging high performance with long-term sustainability. As we prepare for the leap towards 800Gbit/s and 1.6Tbit/s applications, we’re enhancing the foundations of efficient, high-capacity data ecosystems worldwide.”

"As applications such as generative AI proliferate and enterprises expand their AI clusters, the need for advanced optical interconnects capable of supporting Terabit connectivity has reached a critical juncture. Our 100Gbit/s PAM4 single-mode VCSEL technology meets this challenge head-on. It enables energy efficiency and the capacity for higher-density deployments while at the same time addressing manufacturing, testing and assembly costs,” commented Christoph Glingener, CTO of Adtran. “This technology supports throughput of up to 800Gbit/s and 1.6Tbit/s, significantly reducing operational expenses while enhancing network capabilities. Our approach underscores a commitment to delivering sustainable, high-capacity networking solutions that break through existing barriers, readying networks for the next wave of AI infrastructure development.”


AOI releases 400G, 800G Active Optical Cables based on Credo

Applied Optoelectronics, Inc (AOI) released two new multimode designs including a 400G QSFP-DD and an 800G OSFP. Both designs offers lower power consumption compared to previous generation solutions. 

  • The 400G design is available as either an Active Optical Cable (AOC) or 400GBASE-SR8 transceiver based on the Credo Seagull 452, an 8 x 50Gbps PAM4 DSP with integrated VCSEL drivers. 
  • The 800G design is available as either an Active Optical Cable (AOC) or 800GBASE-SR8 transceiver based on the Credo Dove 800, an 8 x 100Gbps PAM4 DSP. 

“AOCs and multimode transceivers are an integral part of AI and Ethernet networks, as an interconnect between the GPU server, and leaf and spine switches,” said Dr. Fred Chang, SVP and GM from AOI. “With the rapid build-out of greenfield AI networks and the expansion of existing infrastructure, there is an urgent need to reduce network power dissipation and cost of ownership, while ensuring overall network robustness. AOI’s new 400G and 800G designs, featuring the Credo Seagull 452 and Dove 800 DSPs, take advantage of the latest technologies available on the market to address these challenges.”


Zayo launches Waves on Demand across Europe with Ciena

Zayo is launching a new Waves on Demand service leveraging its 400G fully enabled lit-fibre network in Europe. This allows customers to turn up services across Europe within just five working days, significantly reducing service delivery intervals from the industry standard of 30+ days.

Zayo’s Waves on Demand, powered by Ciena’s WaveLogic 5 technology, enables customers to efficiently scale bandwidth on dedicated, pre-provisioned circuits, reaching up to 800G line side capacity. With Zayo’s Wavelength offering, customers can access industry-leading speed and pricing, including the best available in high capacity services, with service activation in just five working days. This rapid implementation model has been deployed on key connectivity corridors between Frankfurt, London, Amsterdam, Paris, Marseille, Bordeaux, and Dusseldorf. Coupled with Zayo’s metro network, this capability can be extended to key access locations across Western Europe. Zayo expects to expand this capability to Dublin, Manchester, and Milan by the end of this year.

Michael Katz, VP for Product & Technology at Zayo Europe, said: “At Zayo, we’re focused on addressing our customers’ needs now and into the future by connecting what’s next. We know that turning up Wave capacity can be a long and tedious process, leaving businesses with subpar services that impact their ability to deliver for their customers. Our new Waves on Demand offering will provide our customers with seamless service that is efficient, scalable, and cost-effective, meaning they can react in a matter of days to their business and customers’ needs.”

Will Rhodes, Director EMEA Carrier Managed Service Partners at Ciena, said: “The industry is crying out for faster turn-up of services. Getting high-capacity connectivity in several days will help to improve Zayo’s wholesale and enterprise customers’ agility and efficiency. This step-change will align better with end-user needs and digital experience.”


Dell'Oro: Explosive growth for AI servers

Strong demand for AI servers drove the revenues for GPU and custom accelerators by 224 percent in 2023, according to a new report from Dell'Oro Group. In 2024, in addition to continued growth momentum for AI infrastructure, we expect a broad recovery for the server and storage system component market as some of the hyperscale cloud service providers enter an expansion cycle, and enterprise IT spending gradually unfreezes.

"The accelerator market is set to maintain strong growth momentum as the hyperscale cloud service providers deploy next-generation AI infrastructure for larger training models and increasing inferencing demands," stated Baron Fung, Senior Research Director at Dell'Oro Group. "Enterprise adoption of AI applications is rising, driving the need for infrastructure in both public cloud and private data centers. With major product updates every two years, this market demands frequent infrastructure replacements, leading to higher capital investments. Furthermore, the recovery in the general-purpose computing and storage component market is underway after an extended correction. Fourth-generation CPUs from Intel and AMD, expected to ship in high volumes this year, will enable end-users to realize benefits in server efficiency and footprint optimizations. Pricing for commodities such as memory and storage drives will also rise this year, as supplies normalize, and from the deployment of new server architectures," explained Fung.

Additional highlights from the 4Q 2023 Data Center IT Semiconductors and Components Quarterly Report:

  • NVIDIA led in server and storage system component revenues in 2023, driven by GPU accelerators, followed by Intel and Samsung. Accelerator revenues surpassed CPU revenues for the first time in 2023, reflecting a shift towards accelerated computing.
  • GPU revenue is forecasted to achieve strong double-digit growth in 2024. Although NVIDIA currently dominates this market, potential challenges arise from new competitive offerings by AMD and Intel, coupled with the emergence of custom accelerators by major cloud service providers.
  • Smart NIC revenues grew more than 50 percent in 2023, driven by strong hyperscale adoption for both AI and non-AI use cases.


Coherent, Juniper and Marvell team on 800ZR

Juniper Networks is collaborating with Coherent Corp. and Marvellfo demo 800ZR.

The set-up features the Juniper Networks PTX10002-36QDD Packet Transport Router, Coherent Corporation’s 800ZR transceiver and the 800G Marvell Orion coherent digital signal processor (DSP).

  • Marvell Orion is an 800G coherent digital signal processor (DSP) for small form factor pluggable modules, delivering up to 800 Gbps of bandwidth for optical connections up to 1,000km and 400Gbps of bandwidth at up to 2,000km. The solution reduces cost per bit and power per bit by 30 percent compared to previous generation pluggable modules, while providing operators a path to substantially reduced capital and operational expenses.
  • Coherent Corporation’s 800G Digital Coherent Optics (DCO) transceiver utilizes its own integrated coherent transmitter and receiver Optical Sub-Assembly (IC-TROSA), enabling transmit optical output power of 0dBm in the dense QSFP-DD form-factor. The high optical output power enables IP-over-DWDM in DCI and metro/regional networks with transmission distances up to 1000 km at 800G.
  • The Juniper Networks 800G PTX10002-36QDD Packet Transport Router represents a next-generation, cloud-optimized routing platform, built upon Juniper's Express 5 ASIC. It offers unmatched operational simplicity, power efficiencies and enhanced performance, supporting dense 100GbE, 400GbE and 800GbE for scalability across various WAN and data center use cases, particularly in anticipation of significant capacity expansion driven by the rapid deployment of AI/ML clusters. It boasts 28.8 Tbps capacity.


Alphawave Semi and InnoLight collaborate on LPO + PCIe 6.0

Alphawave Semi and InnoLight Technology are demonstrating low power, low latency linear pluggable optics (LPO).

Operating at 64 Gbps per lane, this demonstration showcases Alphawave Semi’s PCIe 6.0 subsystem (Controller + PHY) with InnoLight’s LPO OSFP optics.

The Alphawave Semi PCIe Controller + PHY subsystem is an extremely power-efficient, low-latency, and highly reliable interface IP, having been built off PAM4 SerDes IP. It is available on the most advanced technology nodes. In AI and high-performance computing (HPC) systems where memory performance is key, the Alphawave Semi PCIe 6.0 Subsystem can be expanded to support CXL 3.0 with a PCIe and CXL Controller and enable memory coherency at the data center level.

Osa Mok, Chief Marketing Officer at InnoLight, said, “We are pleased with the collaboration between Alphawave Semi and InnoLight, which demonstrates PCIe 6.0 optical connectivity that offers both low power consumption and low latency, tailored to meet the demanding requirements of high-bandwidth and high-density AI networks. Alphawave Semi’s PAM4 DSP physical layer technology, leveraged with InnoLight’s LPO OSFP, empowers hyperscalers to implement next-generation disaggregated, composable networks.“

Tony Chan Carusone, CTO at Alphawave Semi, said, “We see our collaboration with InnoLight as a significant driver for accelerating the adoption of PCIe technology over optics. The combination of InnoLight’s market-leading optical solution with Alphawave Semi’s robust DSP technology showcases how PCIe technology over optics can enable our customers to massively scale connectivity for their compute and data processing AI workloads.”


Nokia tunes its WaveSuite optical network automation platform

Nokia has enhanced WaveSuite optical network automation platform by providing insight into and control of customer networks with a growing roster of applications targeting specific use cases to help them optimize their network and operations, scale network capacity and monetize network assets.

Key enhancements:

  • New support within the Service Enablement application for network operators to better integrate BSS (business support systems) billing with optical network functions. Network operators will be able to fulfill optical service requests to wholesale partners and their end subscribers, and provide them with individualized, real-time KPI assurance metrics. It enables them to offer differentiated services, such as latency-aware layer one services and spectrum-as-a-service, creating new revenue opportunities in a formerly untapped market. 
  • Machine learning into the Health and Analytics application to use network intelligence to support optical fiber sensing, which will help network operators detect disturbances to the fiber optic cable within their networks that may produce outages. Unlike other approaches that require additional hardware, the innovative WaveSuite solution takes advantage of polarization data provided by the coherent digital signal processor at the heart of Nokia Photonic Service Engines, such as PSE-6s. It allows network operators to proactively identify, prepare for and respond to events in the network that may affect network performance before they occur, decreasing down time and promoting better adherence to service level agreements with customers. 
  • Combining network planning with network provisioning, significantly reducing the effort required to scale network capacity by 33%. This enables automated flow-through provisioning by synchronizing between existing physical networks and planned network designs, eliminates errors in the transition between planning and provisioning, and significantly reduces the time and human resources network operators need to dedicate to scaling their optical networks. This enhancement was analyzed in a Jan 2024 Analysys Mason report where the research firm quantified the benefits of optical network automation. 

Ravi Parmasad, Optical Network Automation Leader at Nokia, said: "We continue to work with leading service providers to help them transform their optical networks with automation. Nokia's WaveSuite platform enables our customers to leverage data-driven insights and intelligent actions to optimize their network performance, reduce operational costs and accelerate service delivery. With WaveSuite, we are bringing the benefits of automation to the optical domain and empowering our customers to build more agile and resilient networks for the future.”



Cisco appoints Martin Lund as EVP, Common Hardware Group

Martin Lund has joined Cisco as EVP, Common Hardware Group, reporting to Chuck Robbins.

Previously, Lund was Corporate Vice President of Microsoft’s Azure for Operators, where he was responsible for delivering Azure-based solutions for public and private 5G, packet core, voice, and AI operations. Before being acquired by Microsoft, Martin was Chief Executive Officer of Metaswitch Networks, a cloud native communications software company. In addition to his 12 years at Broadcom, where he was instrumental in building the Network Switching brand and growing the business to more than $1 billion, Martin has also held leadership positions at companies such as Cadence Design Systems and Intel.

In addition, Eyal Dagan, who has previously led Cisco's Common Hardware Group since 2020, will now serve as EVP, Strategic Projects, also reporting to Chuck Robbins.

Cisco noted that Eyal and Martin have a friendship and partnership going back 20 years. In 2009, as the SVP and GM of Broadcom’s Network Switching business, Martin helped acquire Dune Networks, a company co-founded by Eyal.