FOR IMMEDIATE RELEASE
Media Contact:
Samir Desai
fJscaler
SVP Corporate Development
+1
(949) 637-8829
fJscaler Demonstrates Market Leading 260 GBd BiCMOS Linear Driver Prototype
Fueling Interconnect Scalability for Next-Gen AI Infrastructure
Serving 1.6T Coherent Optics, 1.6T
and 3.2T IMDD Optics and Active Copper Links
SAN
FRANCISCO, Calif., March 31, 2025 fJscaler Inc., a leading mixed signal analog semiconductor
and solutions company, today announced the successful silicon demonstration of
one of the industry s first 260 GBd (gigabaud) linear
drivers designed to enable low power 1.6 Terabit (T) coherent optics for metro
and long-haul networks, as well as 1.6T and 3.2T IMDD for intra-datacenter
interconnects. This groundbreaking achievement, unveiled at the 2025 Optical
Fiber Communication Conference and Exhibition (OFC), sets a new benchmark for
data rates and spectral efficiency in optical communication, addressing surging
demands driven by AI, and hyperscale data centers. The demand for high
bandwidth, low latency and low power consumption is central to AI
infrastructure s scalability needs, which are growing exponentially from
training to reasoning as well as agent models.
Unprecedented Performance for Future
Networks
The
260 GBd linear driver represents a monumental leap
forward in coherent optics, doubling the baud rate of today s state-of-the-art
130 GBd systems. By operating at 260 GBd, fJscaler s driver enables
single-wavelength 1.6T transmission with a DP-16QAM modulation format,
significantly reducing cost, power, and complexity compared to multi-carrier
alternatives. This innovation empowers network operators and hyperscalers to deploy infrastructure efficiently while
meeting exponential bandwidth growth.
AI infrastructure compute scale-out and scale-up needs continue to
demand more bandwidth and more density at a pace never experienced in the
traditional optical communications market.
Just as deployments at
200G/lane are coming online in 2025, there is already need, demand and benefits
to migrate to 400G/lane IMDD PMDs. fJscaler s
400G/lane linear driver demonstration establishes a leadership position and
builds upon this technology base to create commercial products that will debut
in 2026.
Key
Advantages:
Industry-first
260 GBd operation: Doubles symbol rates to maximize
fiber capacity.
1.6T coherent transmission: Supports single-wavelength 1.6T using advanced modulation formats (e.g., DP-16QAM).
Energy efficiency: Proprietary design reduces power consumption down to 1pJ/bit
Future-ready
scalability: Provides a clear pathway to 3.2T as DSPs evolve for coherent
optics, and linear optics replace DSP retimed optics in high-density
short-reach AI compute interconnects.
This milestone
underscores our commitment to pushing the boundaries of optical technology,
said Jan Filip, fJscaler CEO and President. As AI and cloud applications
demand faster, smarter networks, our 260 GBd linear driver
silicon demonstrator delivers the performance and efficiency needed to
transform tomorrow s infrastructure.
Marco Vitali, fJscaler Chief Technology Officer added, Achieving 260 GBd required breakthroughs in semiconductor process technology and design architectures to achieve the linearity, bandwidth, and power needed for next generation optical interconnects. Our team s novel BiCMOS design techniques are setting a new standard for the industry.
The demand on compute
and in-turn interconnect scalability is paramount and continues to grow an
order of magnitude toward AI reasoning and physical AI, said Samir Desai, fJscaler
SVP Corporate Development. fJscaler is pleased to demonstrate its technology
platform to service the next generation of optical interconnects, be it
coherent optics for inter-datacenter, intra-datacenter for traditional network
switch-to-switch optics, and more importantly for AI compute scale-out and
scale-up networks.
We are excited to see
such a critical innovation in coherent optics, said Takashi Saida, Vice
President, Head of NTT Device Innovation Center. This technology will play a
key role in meeting the ever-growing bandwidth demands of the future.
Live
Demonstration at OFC 2025:
fJscaler will showcase
the 260 GBd linear driver in a live demo highlighting
an IMDD 448Gbps optical transmit subsystem compatible to OSFP or QSFP-DD
pluggable modules this week at OFC 2025 in San Francisco located at NTT Devices
booth 1419. The demo is hosted by NTT Innovative Devices at its Private
Conference Room by appointments only.
Availability:
Sampling to strategic
partners begins in CYQ32025.
About
fJscaler Inc.
fJscaler is a
resurgence of a long legacy of proven innovation and high-quality semiconductor
products serving the optical communications market for more than two decades. fJscaler s mission is to scale femto-Joule optical
communication with digitally assisted analog signal processing preserving low
latency of fiber optics interconnects. To learn more about fJscaler, please
visit www.fjscaler.com.
# # #
Image and Caption:
Title: 260GBd Driver with Electrical Bandwidth of 130
GHz
Differential
S-parameters of fJscaler linear, 260GBd driver showing an electrical bandwidth
of 130 GHz. The driver represents a monumental leap forward in coherent optics,
doubling the baud rate of today s state-of-the-art 130 GBd
systems. It also enables 400G/lane optical transmission needed for the next gen
of AI compute scale-out and scale-up networks providing more bandwidth per
fiber and lower power per bit.