- Perseus is the industry's first 400/800 Gbps 5nm PAM4
optical DSP integrating both a TIA and VCSEL driver for optimal
short-reach connection performance.
- Spica Gen2, an 800 Gbps PAM4 optical DSP engineered for
connections ranging up to 10km in length, is now in volume
production.
- The two optical DSPs expand Marvell's industry-leading
portfolio of optical connectivity for efficiently scaling cloud
data centers in the accelerated computing era.
SANTA
CLARA, Calif., Dec. 6, 2023
/PRNewswire/ -- Marvell Technology, Inc. (NASDAQ: MRVL),
a leader in data infrastructure semiconductor solutions, has
delivered two optical PAM4 digital signal processors (optical DSPs)
to enable cloud operators to serve the exploding demand for AI,
accelerated computing and cloud services by optimizing the
performance, bandwidth and efficiency of the optical links
connecting data infrastructure.
Sampling to select customers now, Perseus is the industry's
first 400/800 Gbps 5nm device that monolithically integrates the
primary electrical components of a short-reach pluggable optical
module — an optical DSP, a transimpedance amplifier (TIA) and a
vertical-cavity surface-emitting laser (VCSEL) driver — into a
single die to reduce power, space and cost. Monolithically
integrating components also reduces manufacturing complexity for
module manufacturers to enable them to scale faster. Perseus is
also available with an integrated silicon photonics driver.
Perseus is optimized for both active optical cables (AOCs),
which replace passive copper cables for connecting equipment within
racks, and short-reach single mode and multi-mode optical
interconnects for distances of five to 500 meters.
Meanwhile, the Marvell® Spica Gen2, which began
sampling in late 2022 and is now in volume production, is an 800
Gbps 5nm optical DSP optimized for longer-reach connections such as
the high-bandwidth optical connections linking servers within an AI
cluster or the optical connections between racks in a hyperscale
data center. Spica Gen2 enables pluggable optical module
manufacturers to reduce the power consumption of products to below
12 watts, a 25% savings over the previous generation of
devices.1
Both chips are the latest products in a growing portfolio of
optical and copper connectivity chips from Marvell optimized for
specific use cases to help cloud operators maximize the utilization
and performance of their infrastructures while reducing overall
cost and power per bit. Both Perseus and Spica Gen2 are based on
the Marvell industry-leading PAM4 optical DSP architecture, the
most widely deployed optical DSP in cloud data centers and AI
clusters.
"AI is impossible without optical," said Vlad Kozlov, CEO and founder of LightCounting,
which forecasts that shipments of 800 Gbps and faster optical
modules to the cloud will grow from 3 Exabits/second to 19
Exabits/second by 2027, a 78% CAGR. "Marvell has long been at the
forefront of expanding the applications and use cases for optical
inside data centers. Perseus and Spica Gen2 represent the latest
steps in that voyage."
Connecting the Cloud
Optical DSP modules convert electrical signals from switches or
other devices so data traffic can move to faster, more efficient
and higher bandwidth optical networks. A mainstay in data centers
since the early 2000s, optical modules have achieved a 1000x
increase in data rate and a 100x reduction in energy per
bit.2 The majority of connections within data centers
over five meters today are made with optical DSP
modules.2
Doubling in bandwidth approximately every two years, optical
DSP-based modules are growing at approximately 54% per year in
terms of bits shipped,3 enabling the 40-50% annual
growth of bandwidth traffic at cloud service
providers.3
The rise of accelerated computing will further fuel innovation
in optical DSP technology as cloud service providers seek to scale
their infrastructure to meet surging customer demand as well as the
escalating performance requirements of these new, complex
workloads. Some AI training clusters, for example, can contain up
to 32,000 processors, 2,000 switches, 70,000 optical DSP modules
and consume up to 45 megawatts of power.4
To help cloud operators and others increase their return on
investment, Marvell produces connectivity products fine-tuned for
different connectivity applications and use cases. Perseus, for
example, supports both full retimer use cases for modules requiring
both transmit and receiver capabilities as well as transmit-only
or receiver-only half retimer use cases such as linear
pluggable optics (LPO). Other specialized products include Nova
(the industry's first 1.6T optical DSP for medium- to long-reach
connections inside data centers), Porrima (100-400G), coherent DSPs
and modules for long-range connections (2-2,000km), and
copper-based active electrical cable devices for server-to-server
links.
"The optimized approach Marvell takes to silicon design gives us
a platform for developing a broader portfolio of products," said
Osa Mok, chief marketing officer at
InnoLight. "In the AI era, customers will obsessively seek
performance and power gains in every part of their infrastructure.
Specialized optical modules and technologies will allow them to
achieve their goals in a scalable, economical manner."
"Accelerated computing requires accelerated infrastructure,"
said Xi Wang, vice president of
product marketing for Optical Connectivity at Marvell. "Perseus and
Spica Gen2 are the latest examples of our strategy to enable our
partners and end users to continuously improve the efficiency,
performance and resiliency of their critical assets while creating
a platform for new services."
Select features of Perseus include:
- Quad / Octal 100 Gbps/channel optical PAM4 DSP
- Support for both 400G and 800G optical module applications
- Low power
- Integrated TIA
- Integrated linear driver (VCSEL and SiPho PIC)
- CMIS compliant with advanced diagnostic features
- Supports independent lane operation
- Compatible with 800 Gbps QSFP-DD and OSFP optical modules for
800 Gbps applications and QSFP112 modules for 400 Gbps
AOC/single-mode/multi-mode deployments
Select features of Spica Gen2 include:
- Qualified and proven 800G Spica DSP architecture for data
center connectivity
- Support for 1x800G, 2x400G, 8x100G connectivity for 51.2T,
25.6T switches, and advanced AI/ML clusters
- Supports 100m SR8 and
500m DR8, 2Km 2xFR4 and 10Km LR8
optical modules
- IEEE, MSA and CMIS compliant DSP that supports all
200G/400G/800G based data center optical connectivity
applications
- Low power DSP with integrated drivers supporting EML and
Sipho
- Advanced diagnostic features that provide insights into the
health of the network
- Support for bare die design for cost sensitive applications and
small BGA package designs, for faster time to market
- Compatible with 800 Gbps QSFP-DD and OSFP modules
Availability
Perseus is sampling to select customers now. Spica Gen2 is
commercially available.
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.
- Marvell, Dec 8, 2022.
- Marvell, IEEE Journal of Selected Topics in Quantum
Electronics, May/June 2023.
- Light Counting, Optical Vendor Landscape, June 2023.
- Marvell; 2023 OCP Global Summit.
Marvell and the M logo are trademarks of Marvell or its
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For further information, contact:
Michael Kanellos, Head of Influencer
Relations
pr@marvell.com
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