Coherent Introduces Multi-Rail Technology With Resource Pooling for Efficient Optical Transport
Coherent Corp. (NYSE: COHR) has unveiled a revolutionary multi-rail optical transport solution that combines high-efficiency pump lasers with resource pooling to increase line system capacity while reducing size and power consumption. The technology will be showcased at OFC 2025.
The demonstration features two independent rails carrying C-Band transmission signals in a single 1RU module, achieving double the density compared to current benchmarks. The solution includes dual-chip high-power uncooled pumps, multi-port optical channel monitoring, and multi-rail dynamic gain equalization technology.
The technology is designed to scale up to provide an eightfold increase in capacity while consuming significantly less space and power compared to traditional single-rail solutions. General product availability is expected in the first half of 2026.
Coherent Corp. (NYSE: COHR) ha svelato una rivoluzionaria soluzione di trasporto ottico multi-rail che combina laser a pompa ad alta efficienza con pooling delle risorse per aumentare la capacità del sistema di linea riducendo al contempo dimensioni e consumo energetico. La tecnologia sarà presentata all'OFC 2025.
La dimostrazione presenta due rail indipendenti che trasportano segnali di trasmissione C-Band in un singolo modulo 1RU, raggiungendo il doppio della densità rispetto agli attuali standard. La soluzione include pompe uncooled ad alta potenza con doppio chip, monitoraggio ottico multi-port e tecnologia di equalizzazione dinamica del guadagno multi-rail.
La tecnologia è progettata per scalare fino a fornire un aumento della capacità di otto volte consumando significativamente meno spazio e potenza rispetto alle tradizionali soluzioni a singolo rail. La disponibilità generale del prodotto è prevista per la prima metà del 2026.
Coherent Corp. (NYSE: COHR) ha presentado una revolucionaria solución de transporte óptico multi-rail que combina láseres de bomba de alta eficiencia con agrupamiento de recursos para aumentar la capacidad del sistema de línea mientras reduce el tamaño y el consumo de energía. La tecnología se mostrará en OFC 2025.
La demostración presenta dos rieles independientes que transportan señales de transmisión C-Band en un solo módulo de 1RU, logrando el doble de densidad en comparación con los estándares actuales. La solución incluye bombas de alta potencia sin refrigeración de doble chip, monitoreo de canales ópticos multipuerto y tecnología de igualación dinámica de ganancia multi-rail.
La tecnología está diseñada para escalar y proporcionar un aumento de capacidad de ocho veces mientras consume significativamente menos espacio y energía en comparación con las soluciones tradicionales de un solo riel. Se espera que la disponibilidad general del producto sea en la primera mitad de 2026.
Coherent Corp. (NYSE: COHR)는 고효율 펌프 레이저와 자원 풀링을 결합한 혁신적인 다중 레일 광 전송 솔루션을 공개했습니다. 이 기술은 시스템 용량을 증가시키면서 크기와 전력 소비를 줄입니다. 이 기술은 OFC 2025에서 선보일 예정입니다.
시연은 단일 1RU 모듈에서 C-Band 전송 신호를 전송하는 두 개의 독립 레일을 특징으로 하며, 현재 기준에 비해 두 배의 밀도를 달성합니다. 이 솔루션에는 이중 칩 고출력 비냉각 펌프, 다중 포트 광채널 모니터링 및 다중 레일 동적 이득 평형화 기술이 포함됩니다.
이 기술은 전통적인 단일 레일 솔루션에 비해 공간과 전력을 크게 줄이면서 8배의 용량 증가를 제공하도록 설계되었습니다. 일반 제품의 가용성은 2026년 상반기로 예상됩니다.
Coherent Corp. (NYSE: COHR) a dévoilé une solution révolutionnaire de transport optique multi-rail qui combine des lasers à pompe à haute efficacité avec le partage des ressources pour augmenter la capacité du système de ligne tout en réduisant la taille et la consommation d'énergie. La technologie sera présentée à OFC 2025.
La démonstration présente deux rails indépendants transportant des signaux de transmission C-Band dans un seul module 1RU, atteignant le double de la densité par rapport aux références actuelles. La solution comprend des pompes à haute puissance non refroidies à double puce, une surveillance des canaux optiques multi-port et une technologie d'égalisation dynamique de gain multi-rail.
La technologie est conçue pour évoluer afin de fournir une augmentation de capacité par huit tout en consommant significativement moins d'espace et d'énergie par rapport aux solutions traditionnelles à rail unique. La disponibilité générale du produit est attendue pour la première moitié de 2026.
Coherent Corp. (NYSE: COHR) hat eine revolutionäre Multi-Rail-Optiktransportlösung vorgestellt, die hocheffiziente Pumpenlaser mit Ressourcen-Pooling kombiniert, um die Kapazität des Leitungssystems zu erhöhen und gleichzeitig Größe und Energieverbrauch zu reduzieren. Die Technologie wird auf der OFC 2025 präsentiert.
Die Demonstration zeigt zwei unabhängige Schienen, die C-Band-Übertragungssignale in einem einzigen 1RU-Modul transportieren und die doppelte Dichte im Vergleich zu aktuellen Benchmarks erreichen. Die Lösung umfasst duale Hochleistungs-Pumpen ohne Kühlung, Multi-Port-Optikkanalüberwachung und Multi-Rail-dynamische Verstärkungsgleichgewichtstechnologie.
Die Technologie ist darauf ausgelegt, auf eine achtfache Kapazitätssteigerung zu skalieren, während sie im Vergleich zu herkömmlichen Einzelfahrbahn-Lösungen erheblich weniger Platz und Energie verbraucht. Die allgemeine Produktverfügbarkeit wird für die erste Hälfte von 2026 erwartet.
- Technology doubles current density benchmarks in optical transport
- Potential for 8x capacity increase with reduced space and power consumption
- Solution addresses growing bandwidth demands for data centers and AI applications
- Commercial release timeline established for H1 2026
- Product won't be commercially available for over a year
- Full 8x capacity increase not yet demonstrated, only 2x currently shown
Insights
Coherent's new multi-rail optical transport technology represents a significant technical advancement in addressing data center interconnect challenges. The ability to double density by integrating two independent C-Band transmission rails within a single 1RU module directly tackles the space constraints faced in modern data centers.
The underlying technologies - dual-chip high-power uncooled pumps, multi-port high-resolution OCMs, and multi-rail DGE - form a comprehensive solution stack that enables sublinear scaling of capacity relative to power and space requirements. This is particularly valuable as data centers struggle with power and cooling limitations while facing exponential bandwidth growth driven by AI workloads.
The technical distinction between this approach and traditional single-rail solutions lies in resource pooling concepts that optimize system efficiency. Rather than simply stacking independent systems, Coherent has created shared infrastructure that can potentially deliver the promised eightfold capacity increase without proportional increases in footprint or power consumption.
However, with general availability not expected until H1 2026, this remains a forward-looking announcement rather than an immediate market disruptor. The extended timeline gives competitors ample opportunity to develop competing solutions before Coherent can realize commercial benefits from this innovation.
This product announcement aims to position Coherent at the forefront of next-generation optical transport systems for the rapidly expanding data center interconnect market. While technically impressive, the 2026 commercialization timeline makes this more of a strategic signaling move than an immediate financial catalyst.
The multi-rail technology directly addresses the fundamental scaling challenge in data center networks: how to support exponential bandwidth growth within fixed physical infrastructure constraints. By enabling capacity increases without proportional space and power consumption growth, Coherent is targeting a critical pain point for hyperscalers and AI infrastructure operators.
The demonstration at OFC 2025 suggests Coherent has made substantial progress in the development cycle, though much work remains before commercial deployment. The company's emphasis on proprietary components indicates a potential competitive moat, particularly around their dual-chip pump lasers and multi-rail DGE technology.
From an investment perspective, this announcement confirms Coherent's continued innovation in high-performance optical components, but provides insufficient information to project revenue impact. With no pricing details, customer commitments, or competitive benchmarking included, the market impact remains speculative. The extended development timeline also creates execution risk in a rapidly evolving optical transport landscape.
SAXONBURG, Pa., March 31, 2025 (GLOBE NEWSWIRE) -- Coherent Corp. (NYSE: COHR), a global leader in photonics, introduces an innovative optical transport solution that combines fundamental advances in high-efficiency pump lasers with novel resource pooling concepts to dramatically increase line system capacity while lowering the size and power consumption required to do so. This sublinear scaling up of capacity through “multi-rail” transmission is essential to keep pace with growth in traffic between Data Centers while operating within physical and electrical constraints of existing infrastructure.
Coherent will demonstrate this multi-rail technology at OFC 2025. The demonstration of two independent rails, both carrying C-Band transmission signals and integrated within a single 1RU module, represents an immediate doubling of density relative to current benchmark. The demonstration highlights Coherent’s complete solution set and readiness to enable multi-rail, including world-leading dual-chip high-power uncooled pumps, multi-port high-resolution and high-speed optical channel monitor (OCM), and unique multi-rail dynamic gain equalization (DGE) technology. These groundbreaking technologies have been conceived with the inherent capability to scale up to deliver an eightfold increase in capacity at a fraction of the space and power that would be consumed by stacking equivalent single-rail solutions with current technology.
"The introduction of our multi-rail technology is a groundbreaking advance in optical transport," said Madhu Krishnaswamy, Senior Vice President and General Manager, Telecom Transport Business Unit at Coherent. "This integrated platform will meet escalating bandwidth demands driven by data center interconnects and AI cluster applications. Looking ahead, we plan to double this capacity within the next year, underscoring our commitment to continuous innovation."
General product availability is anticipated in the first half of 2026. Visit Coherent booth #1519 at OFC 2025 in San Francisco April 1-3 to see this demonstration and learn more about our optical transport solutions.
About Coherent
Coherent empowers market innovators to define the future through breakthrough technologies, from materials to systems. We deliver innovations that resonate with our customers in diversified applications for the industrial, communications, electronics, and instrumentation markets. Coherent has research and development, manufacturing, sales, service, and distribution facilities worldwide. For more information, please visit us at coherent.com.
Media Contact:
innovations@coherent.com
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