Keysight Unveils Optical Reference Transmitter to Validate Next-Generation Data Transmission
18 Settembre 2024 - 5:00PM
Business Wire
- New Optical Reference Transmitter enables testing of
200G-per-lane optical receivers and research into 400G-per-lane
transmission
Keysight Technologies, Inc. (NYSE: KEYS) today announced the
launch of its N7718C Optical Reference Transmitter. This advanced
solution is a critical tool for testing optical receivers
engineered for 200G-per-lane transmission.
The widespread adoption of artificial intelligence and machine
learning (AI/ML) across various industries has greatly increased
pressure on data center throughput. As the demand for higher data
rates continues to surge, manufacturers of optical transceivers and
optical interconnect solutions face increasing pressure to comply
with emerging standards such as IEEE 802.3dj. The Optical Reference
Transmitter arrives at a critical juncture, offering a solution for
compliance validation and interoperability assurance at data rates
exceeding 200Gbit/s per lane.
The new reference transmitter boasts several features designed
to meet the evolving needs of the industry. Driven by the M8050
series bit error ratio tester (BERT), it can generate both clean
and stressed signals for testing optical receiver designs up to 120
GBd per lane, providing crucial support for compliance testing with
the upcoming IEEE 802.3dj standard. The transmitter is versatile,
capable of generating intensity modulated/direct detected (IM/DD)
signals including NRZ, PAM4, PAM6, and PAM8 waveforms, enabling
research for transmission into 400Gbit/s per lane when paired with
the Keysight M8199B Arbitrary Waveform Generator (AWG).
Its modulator design works with common drive signals and
incorporates automated bias control, simplifying operation and
ensuring consistent performance. Furthermore, the new solution
offers flexible optical input options, including a built-in DFB
laser and compatibility with tunable lasers, making it adaptable to
a wide range of testing scenarios and wavelength requirements.
The Optical Reference Transmitter is a core component of
Keysight's turnkey N4917DJCA Optical Receiver Stress Test solution
where it works in tandem with the M8050A Bit Error Ratio Tester.
Instead of relying on in-house transmitters with a given signal
quality, it allows customers to emulate a 120 GBd optical
transmitter. This enables them to validate their optical receivers
under variable conditions, including optical extinction ratio,
TDECQ, and stress factors like noise, jitter, and interference.
Additionally, this product supports various wavelength grids,
including LR4, ER4, and CWDM4, making it a versatile tool for a
wide range of applications in the rapidly evolving field of
high-speed optical communications.
Armin Loeffler, Director of Broadband & Photonics
Business Segment, Keysight, said: "The new solution marks a
major advancement in optical testing technology. With its low Vpi,
the Optical Reference Transmitter eliminates the need for an RF
amplifier in many applications, thereby reducing jitter and noise.
Additionally, our automated bias control works without dithering at
the quadrature point to ensure no unwanted spectral components are
introduced into the signal."
The Optical Reference Transmitter is available now. The first
iteration is equipped with 1310 nm DFB laser and operates in the
O-band, more configurations will be released later.
Resources
- Product Page: Optical Reference Transmitter
- Product page: Keysight electro-optical converters
About Keysight Technologies
At Keysight (NYSE: KEYS), we inspire and empower innovators to
bring world-changing technologies to life. As an S&P 500
company, we’re delivering market-leading design, emulation, and
test solutions to help engineers develop and deploy faster, with
less risk, throughout the entire product life cycle. We’re a global
innovation partner enabling customers in communications, industrial
automation, aerospace and defense, automotive, semiconductor, and
general electronics markets to accelerate innovation to connect and
secure the world. Learn more at Keysight Newsroom and
www.keysight.com.
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