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Ayar Labs Lands Additional $25M in $130M Series C Round

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Silicon photonics technology company Ayar Labs has raised an additional $25 million in series C1 funding. The funding brings the company ’ s total series C to $155 million. Ayar Labs said it will use the funds to accelerate the implementation and commercialization of its optical input/output (I/O) solutions to address the power consumption, latency, reach, and system bandwidth bottlenecks that threaten future advancements in generative AI, while also expanding product offerings and development efforts. Ayar Labs’ TeraPHY optical I/O chiplet wafer. Courtesy of Ayar Labs.
Ayar Labs’ TeraPHY optical I/O chiplet wafer. Courtesy of Ayar Labs.
Ayar Labs’ patented optical I/O approach uses industry-standard, cost-effective silicon-processing techniques to replace traditional electrical I/O with fast, high-density, low-power optical I/O chiplets and multiwavelength light sources. The optical approach aims to break the performance, power, and distance limitations of copper interconnect, critical for latency-sensitive applications such as high-performance computing, AI, and machine learning.

Optical I/O will also affect other areas that require rapid transfer of data, such as cloud and data center, telecommunications, and aerospace and defense, Ayar Labs said. In November 2022, Ayar Labs was awarded a $15 million multiyear prototype Other Transaction Agreement (OTA) in support of Project KANAGAWA — the Co-Packaged Analog-Drive High-Bandwidth Optical Input/Output Project. Ayar Labs said that the project promotes the development of interconnects to lead its transition into the Department of Defense’s advanced packaging ecosystem. During the first phase of Project KANAGAWA, Ayar Labs will deliver its I/O chiplets and lasers at data rate bandwidth levels exceeding 2 Tbit/s and energy losses below 5 pJ/bit. In phase two of the project, which is to run parallel to the first phase, Ayar Labs and collaborators Intel, Lockheed Martin, and Qorvo will develop and demonstrate co-packaged optical I/O solutions built on Ayar Labs’ TeraPHY optical I/O chiplets and SuperNova multiwavelength lasers.
NVIDIA, which participated in Ayar Labs’ earlier series C raise in April 2022, increased its investment in the company in the latest funding, which was led by new investor Capital TEN. Existing strategic and financial investors include Applied Ventures, GlobalFoundries, Hewlett Packard Pathfinder, Intel Capital, and Lockheed Martin Ventures.

Photonics Spectra
Aug 2023
Smallest amount into which the energy of a wave can be divided. The quantum is proportional to the frequency of the wave. See photon.
The combination of two or more signals for transmission along a single wire, path or carrier. In most optical communication systems this is referred to as wavelength division multiplexing, in which the combination of different signals for transmission are imbedded in multiple wavelengths over a single optical channel. The optical channel is a fiber optic cable or any other standard optical waveguide.
BusinessFiber Optics & Communicationssilicon photonicsnetworkingquantummultiplexinglight sourceslasersdatafundingFinanceseries CoversubscribedAyar LabsCapital TENcapitalVentureTech AllianceAmericasintegrated photonicsaerospace & defenseIndustry News

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