Lumentum and Marvell Showcase Industry’s First Integrated 450G High-Speed Optical Interface at OFC 2025
Lumentum and Marvell Technology have announced an industry-first demonstration integrating Marvell's 400G/per lane PAM4 technology with Lumentum's indium phosphide (InP) monolithically-integrated DFB-MZI optical transmitter. The showcase will be presented at OFC 2025 in San Francisco, April 1-3.
The demonstration features Lumentum's 450G PAM4 distributed feedback laser integrated with a Mach-Zehnder modulator, operating at 225 Gbaud. This integrated DFB-MZI solution provides performance advantages over silicon photonics architectures, particularly in signal integrity and efficiency. The collaboration aims to enable future-proof 3.2T optical transceivers for AI/ML workloads and cloud-scale networking infrastructure.
Lumentum e Marvell Technology hanno annunciato una dimostrazione pionieristica nel settore che integra la tecnologia PAM4 a 400G per canale di Marvell con il trasmettitore ottico DFB-MZI monoliticamente integrato in fosfuro d'indio (InP) di Lumentum. La presentazione avrà luogo all'OFC 2025 a San Francisco, dal 1 al 3 aprile.
La dimostrazione presenta il laser a feedback distribuito PAM4 da 450G di Lumentum integrato con un modulatore Mach-Zehnder, operante a 225 Gbaud. Questa soluzione DFB-MZI integrata offre vantaggi prestazionali rispetto alle architetture di fotonica in silicio, in particolare per quanto riguarda l'integrità del segnale e l'efficienza. La collaborazione mira a abilitare transceiver ottici da 3.2T a prova di futuro per carichi di lavoro AI/ML e infrastrutture di rete su scala cloud.
Lumentum y Marvell Technology han anunciado una demostración pionera en la industria que integra la tecnología PAM4 de 400G por canal de Marvell con el transmisor óptico DFB-MZI integrado monolíticamente en fosfuro de indio (InP) de Lumentum. La presentación se llevará a cabo en OFC 2025 en San Francisco, del 1 al 3 de abril.
La demostración presenta el láser de retroalimentación distribuida PAM4 de 450G de Lumentum, integrado con un modulador Mach-Zehnder, que opera a 225 Gbaud. Esta solución DFB-MZI integrada proporciona ventajas de rendimiento sobre las arquitecturas de fotónica de silicio, particularmente en integridad de señal y eficiencia. La colaboración tiene como objetivo habilitar transceptores ópticos de 3.2T a prueba de futuro para cargas de trabajo de IA/ML e infraestructura de redes a gran escala en la nube.
루멘텀과 마벨 테크놀로지는 마벨의 400G/채널 PAM4 기술과 루멘텀의 인듐 인산염(InP) 단일 집적 DFB-MZI 광 송신기를 통합한 업계 최초의 시연을 발표했습니다. 이 시연은 OFC 2025에서 샌프란시스코에서 4월 1일부터 3일까지 진행됩니다.
이 시연은 225 Gbaud에서 작동하는 Mach-Zehnder 변조기와 통합된 루멘텀의 450G PAM4 분산 피드백 레이저를 특징으로 합니다. 이 통합 DFB-MZI 솔루션은 신호 무결성과 효율성 측면에서 실리콘 포토닉스 아키텍처에 비해 성능상의 이점을 제공합니다. 이 협업은 AI/ML 작업 부하 및 클라우드 규모 네트워킹 인프라를 위한 미래 지향적인 3.2T 광 트랜시버를 가능하게 하는 것을 목표로 합니다.
Lumentum et Marvell Technology ont annoncé une démonstration novatrice dans l'industrie intégrant la technologie PAM4 de 400G par canal de Marvell avec le transmetteur optique DFB-MZI intégré monolithiquement en phosphure d'indium (InP) de Lumentum. La présentation aura lieu lors de l'OFC 2025 à San Francisco, du 1er au 3 avril.
La démonstration met en avant le laser à rétroaction distribuée PAM4 de 450G de Lumentum, intégré avec un modulateur Mach-Zehnder, fonctionnant à 225 Gbaud. Cette solution DFB-MZI intégrée offre des avantages en termes de performance par rapport aux architectures de photonique en silicium, notamment en matière d'intégrité du signal et d'efficacité. La collaboration vise à permettre des transceivers optiques de 3.2T à l'épreuve du futur pour les charges de travail AI/ML et les infrastructures de réseau à grande échelle dans le cloud.
Lumentum und Marvell Technology haben eine branchenweit erste Demonstration angekündigt, die Marvells 400G/PAM4-Technologie pro Kanal mit Lumentums monolithisch integriertem DFB-MZI-Optiktransmitter aus Indiumphosphid (InP) kombiniert. Die Präsentation findet auf der OFC 2025 in San Francisco vom 1. bis 3. April statt.
Die Demonstration zeigt Lumentums 450G PAM4 verteilten Feedback-Laser, der mit einem Mach-Zehnder-Modulator integriert ist und mit 225 Gbaud arbeitet. Diese integrierte DFB-MZI-Lösung bietet Leistungs Vorteile gegenüber Silizium-Photonik-Architekturen, insbesondere in Bezug auf Signalintegrität und Effizienz. Die Zusammenarbeit zielt darauf ab, zukunftssichere 3.2T-Optiktransceiver für KI/ML-Arbeitslasten und Cloud-Skalennetzwerkinfrastrukturen zu ermöglichen.
- Industry-first technological breakthrough in 450G optical interface
- Strategic partnership with major semiconductor player Marvell
- Competitive advantage over silicon photonics solutions
- Positioning for high-growth AI/ML and cloud infrastructure markets
- None.
Insights
Lumentum's demonstration of a 450G optical interface with Marvell represents a significant technological leap in the optical communications space. The integration of a DFB-MZI solution using indium phosphide technology operating at 225 Gbaud is technically impressive, as most competitors are still focused on silicon photonics at lower speeds.
What makes this development particularly notable is the architectural advantage of InP over silicon photonics in high-performance applications. InP-based solutions typically offer superior electro-optic efficiency, better temperature stability, and more compact integration - critical factors for the extreme performance demands of AI/ML data center interconnects.
This technology positions both companies at the forefront of the optical transition to 400G-per-lane architectures that will be essential for scaling to 3.2T optical transceivers. The current industry standard remains at 100G per lane, with some advanced solutions at 200G, making this demonstration a substantial step toward next-generation connectivity requirements.
The timing aligns perfectly with the exponential bandwidth growth in AI clusters, where traditional networking architectures are becoming bottlenecks. By enabling higher bandwidth density and better power efficiency per bit transmitted, Lumentum is addressing a critical pain point in AI infrastructure development.
This demonstration represents a strategic positioning move by Lumentum in the rapidly expanding AI/ML infrastructure market. With hyperscalers and cloud providers scaling their AI compute capacity, the demand for higher-bandwidth, power-efficient optical interconnects has become business-critical.
The collaboration with Marvell creates a strong value proposition by combining Lumentum's optical innovation with Marvell's DSP expertise. This integrated approach could potentially yield competitive advantages in next-generation transceivers by optimizing the entire signal chain rather than addressing individual components separately.
The technology's focus on future-proofing for 3.2T applications is particularly astute, as AI compute clusters are experiencing exponential bandwidth demand growth. Current optical interfaces are becoming inadequate as training and inference workloads scale, creating an urgent need for solutions like Lumentum's.
While the commercial timeline isn't specified, this demonstration signals Lumentum's commitment to maintaining technological leadership in high-margin, high-performance optical segments. By emphasizing performance advantages over silicon photonics architectures, Lumentum is differentiating itself in a crowded optical component market and aligning with where the highest future value will likely be generated.
Features Lumentum’s integrated DFB-MZI solution that leverages differentiated InP technology, offering performance advantages over silicon photonics architectures to support next-generation AI/ML and cloud infrastructure
The live demonstration features Lumentum’s cutting-edge 450G PAM4 distributed feedback (DFB) laser integrated with a Mach-Zehnder (MZI) modulator, leveraging the company’s differentiated InP technology. The integrated DFB-MZI solution offers clear performance advantages over silicon photonics, particularly in applications where signal integrity and efficiency are critical.
The combination of Marvell’s advanced 400G technology and its extensive expertise in DSP and high-speed ASIC design complements Lumentum’s optical innovation to maximize performance, reliability, and scalability. The combined demonstration showcases readiness for future-proof 3.2T optical transceivers essential for rapidly expanding AI/ML workloads and cloud-scale networking infrastructure.
“Lumentum’s collaboration with Marvell marks our joint commitment to pushing the boundaries of 400G per lane technology innovation,” said Matt Sysak, Lumentum CTO of Cloud and Networking. “Together, we are enabling 400G per lane solutions that go beyond what silicon photonics can offer, unlocking higher performance and scalability foundational for next-generation AI/ML and cloud infrastructure.”
“We are excited to collaborate with Lumentum on this 400G per lane technology demonstration,” said Xi Wang, vice president and general manager, Connectivity Business Unit at Marvell. “These technological advancements will enable cloud data centers to increase bandwidth capacity, maximize output and enhance the efficiency of future data centers.”
About Marvell
To deliver the data infrastructure technology that connects the world, we’re building solutions on the most powerful foundation: our partnerships with our customers. Trusted by the world’s leading technology companies for over 25 years, we move, store, process and secure the world’s data with semiconductor solutions designed for our customers’ current needs and future ambitions. Through a process of deep collaboration and transparency, we’re ultimately changing the way tomorrow’s enterprise, cloud, automotive and carrier architectures transform—for the better.
About Lumentum
Lumentum (NASDAQ: LITE) is a market-leading designer and manufacturer of innovative optical and photonic products enabling optical networking and laser applications worldwide. Lumentum optical components and subsystems are part of virtually every type of telecom, enterprise, and data center network. Lumentum lasers enable advanced manufacturing techniques and diverse applications, including next-generation 3D sensing capabilities. Lumentum is headquartered in
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Lumentum Contact Information:
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Source: Lumentum
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