Marvell intros 400G/800G PAM4 DSPs for Active Electrical Cables

Marvell introduced its Alaska A PAM4 DSP family for Active Electrical Cables (AECs) designed for data center interconnects by hyperscale customers.The new Alaska 400G/800G DSPs, fabricated in 6nm process, leverages Marvell’s PAM4 DSP technology to improve signal integrity in copper, short reach AECs to address emerging 100G/lane adoption in cloud data center interconnect architectures. The new Alaska 400G/800G DSPs add to Marvell’s comprehensive...

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Marvell samples 800G Multimode Electro-Optics Platform

Marvell is now sampling a 800Gbps or 8 x 100Gbps multimode platform for short-reach optical modules and Active Optical Cable (AOC) applications. The new 800G platform, which includes Marvell's PAM4 DSP with a multimode transimpedance amplifier (TIA) and Driver, enables faster data center speeds scaling to 800Gbps, using conventional cost-effective vertical-cavity surface-emitting laser (VCSEL) technology over multimode fiber. "As a pioneer...

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Molex ramps 400G ZR QSFP-DD coherent optical transceivers

Molex is ramping production of its commercially available 400G ZR QSFP-DD pluggable coherent optical transceivers.Molex’s 400G ZR is among the first standards-based, pluggable coherent optical modules to be commercially available in volume. In addition, the 400G OpenZR+, which is slated for availability in Q2, extends reach from 120km to about 600km at low power consumption to enable 12.8T in 1RU switch or router chassis.Molex also completed experimental...

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Qualcomm debuts Wi-Fi 7

Qualcomm unveiled its FastConnect 7800 chipset offering Wi-Fi 7, Bluetooth connectivity and High Band Simultaneous Multi-link technology that leverages two Wi-Fi radios for four streams of high band connectivity in 5GHz and/or 6GHz bands. FastConnect 7800 supports all multi-link modes and with HBS Multi-Link, consumers can experience minimized latency and interference, jitter-free connections, and blazing fast speeds using 320MHz channels in increasingly...

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Vertical Systems Group: U.S. Wavelength Services LEADERBOARD

Vertical Systems Group announces that eight companies achieved a position on the year-end 2021 U.S. Wavelength Services LEADERBOARD (in rank order based on circuit share): Lumen, Zayo, Verizon, AT&T, Arelion (formerly Telia Carrier), Windstream, Crown Castle and Cox. This new benchmark measures U.S. market presence for wavelength providers selling retail and wholesale services. LEADERBOARD companies each have a one percent (1%) or higher...

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IP Infusion supplies white box OS for NTT's 8K120p video

IP Infusion provided its OcNOS white box network operating system (OS) to NTT for its development of uncompressed 8K120p video transmission technologies using the IOWN All-Photonics Network (APN). NTT recently announced its development of the world’s first-ever ultra-low latency video-transmission technology that supports uncompressed 8K120p video. Using a disaggregation configuration, it has succeeded in sending and receiving 8K120p video as...

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Mitsubishi Electric samples 50Gbps DFB laser diode for 5G base stations

Mitsubishi Electric will begin sampling its 50Gbps distributed-feedback (DFB) laser diode for 5G base stations.Key featuresFrequency-response characteristics are compatible with 4-level pulse-amplitude modulation (PAM4) for multilevel signal modulation, supporting transmission rates up to 50Gbps. Also, its industry-leading operating temperature range of -40°C to 90°C eliminates the need for any temperature-control unit, helping to reduce power consumption...

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