Intelligent Data Centres Issue 71 | Page 61

INTELLIGENT INFRASTRUCTURE

Marvell unveils coherent-lite 1.6Tbps O-band-optimised DSP for data centre campus connectivity

Marvell Technology , a leader in data infrastructure semiconductor solutions , has announced Marvell Aquila , one of the industry ’ s first coherent-lite DSP-optimised for 1.6Tbps coherent optical transceiver modules operating at O-band wavelengths .

By combining advanced coherent modulation with scalable O-band optics , the Aquila DSP delivers a power and performance-optimised solution tailored for the emerging market for distributed campus data centre interconnects spanning up to 20km with high bandwidth and low latency .
The industry is shifting from large-scale facilities to campusbased data centres due to power and space constraints . While PAM4 interconnects remain the standard for inside data centre connections and coherent data centre interconnect ( DCI ) interconnects address regional data centre connectivity , both areas where Marvell is the industry leader , campus-based data centres require optimised interconnects spanning 2-20km , driving the need for coherent-lite technology .
Marvell , leveraging its unique expertise in both PAM4 and coherent DSPs , is leading this market transformation .
Traditional coherent DSPs are optimised for C-band tunable optics , which lack the scalability needed for high-volume data centre deployment . The new Aquila coherent-lite DSP introduces an innovative O-band coherent architecture that delivers cost efficiency , power savings and scalability , enabling the next generation of campus-based data centre connectivity .
“ Interconnect bandwidth , data centre traffic and data centre capacity needs are all growing at accelerated rates because of AI , and operators are limited by the available power delivery in a single building ,” said Xi Wang , Vice President of Product Marketing for Optical Connectivity at Marvell . “ Aquila offers data centre operators a new , groundbreaking avenue for optimising their infrastructure for sustainability and developing campus facilities that can scale with their customers ’ demands for cloud and AI services .”
Osa Mok , Chief Marketing Officer at TeraHop ( previously known as InnoLight Technology ), said : “ The transition to distributed data centres is creating a growing demand for innovative solutions to address campus connectivity challenges . Marvell ’ s Aquila represents a significant step forward , bringing coherent technologies to this evolving market . By combining the advancements from Aquila with TeraHop ’ s expertise in coherent modules and scalable optical solutions , we are establishing a new standard for performance and efficiency in campus networks .”
Aquila is one of the latest members of the Marvell interconnect portfolio , optimised for specific use cases to help data centres maximise the utilisation and performance of their infrastructure while reducing overall cost and power per bit . The extensive 1.6Tbps portfolio also includes the Marvell LPO TIA and driver chipset ; Ara , the industry ’ s first 3nm PAM4 interconnect platform ; Nova family of PAM4 DSPs featuring 200 Gbps electrical and optical interfaces ; and Alaska A PAM4 DSP for active electrical cables . �
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