Black Semiconductor
Black Semiconductor, founded in 2019 in Germany, develops products integrating graphene-based photonic interconnect technology to enable faster, more energy-efficient, and scalable chip architectures that allow multiple chips to interact seamlessly.
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Black Semiconductor, founded in 2019 in Germany, develops products integrating graphene-based photonic interconnect technology to enable faster, more energy-efficient, and scalable chip architectures that allow multiple chips to interact seamlessly. Its fundraise ranks among the largest ever raised by a European semiconductor startup.
Technology & BusinessWhat · How · Which stage
Stack Layer网络与互联HighEvidence
基于石墨烯的光子【互连】技术，让多个芯片无缝交互——职能是互连
Source：Official site · Updated 2026-09-10 · View source
Full tier & rationale — an SVTR Intelligence benefit
Capital graph
Funding history
- 2024-06Series A$275M
Investors · Onsight Ventures, Vsquared Ventures, Porsche Ventures, TechVision Fonds, Scania Growth, Cambium Capital, Project A Ventures, NRW.BANK, Capnamic VenturesSource · SVTR Weekly #057
Comparable companies· by market
This company
BusinessLatest roundTotal raisedDate- Black Semiconductor
Its products integrate graphene-based photonic interconnect technology
Series A · $275M · 2024-06
$275M
United States
BusinessLatest roundTotal raisedDate- Lightmatter
Produces photonic processors and interconnect devices to accelerate tasks such as AI computing while reducing energy consumption
Series D+ · $554M · 2024-10
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Series D+ · $340M · 2026-03 · Valuation $1.6B
$340MValuation $1.6B
China
BusinessLatest roundTotal raisedDate- MatriQ
Focused on full-stack neutral-atom quantum computing solutions
Strategic · $139M · 2026-10
$139M - SG Micro Corp
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Europe
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Photonic AI inference chip (DX-1/optical tensor processing unit) that uses SRAM plus photonic interconnects to bypass the HBM bottleneck, with accompanying optical networking and rack-scale systems
Series B · $532M · 2026-08 · Valuation $3.3B
$532MValuation $3.3B - Vitrealab
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Series A · $108M · 2026-01
$108M - Rotonium
Silicon photonics-based photonic quantum computing chips that run at room temperature and deploy at the edge and in space
$1M
$1M
Other / unspecified
BusinessLatest roundTotal raisedDate- Quantum Art
Develops quantum computing systems based on a multi-core trapped-ion architecture
Series A · $164M · 2026-05
$164M - Tenstorrent
Develops processors and software that enhance AI and machine learning capabilities
Undisclosed · $793M · 2024-12
$793M - Photonic
Building reliable quantum technology that avoids errors by leveraging a special connection between silicon spins and light
Undisclosed · $350M · 2026-01
$350M
Confirmed rounds only. Matched on subsector, sector, stage and funding scale — each verifiable on the company profiles.
Investors that may fit
Runa Capital
3 Compute deals in the last 24 months · 2 at a nearby stage · 3 in Germany
Request intro →Matterwave Ventures
3 Compute deals in the last 24 months · 1 at a nearby stage · 1 in Germany
Request intro →Ranked by each firm’s deals in this sector over the last 24 months, weighted by nearby stage and shared geography. Indicative only — no rating judgment.