CUbIQ Technologies
Developing continuous-variable quantum key distribution (CV-QKD) transceivers in standard optical-network pluggable form factors.
Website: https://cubiq-technologies.com
Cover Block
From the public record
| Field | Value |
|---|---|
| Name | CUbIQ Technologies |
| Tagline | Developing continuous-variable quantum key distribution (CV-QKD) transceivers in standard optical-network pluggable form factors. |
| Headquarters | Eindhoven, Netherlands [Dealroom.co] |
| Founded | 2021 [Dealroom.co] |
| Stage | Pre-Seed |
| Business Model | Hardware + Software |
| Industry | Deeptech |
| Technology | Quantum Computing |
| Geography | Western Europe |
| Growth Profile | Venture Scale |
| Founding Team | Co-Founders (2) |
| Funding Label | Undisclosed |
Links
From the public record
- Website: https://cubiq-technologies.com/
- LinkedIn: https://ci.linkedin.com/company/cubiqtechnologies?trk=ppro_cprof
The Short Version
PUBLIC CUbIQ Technologies is an Eindhoven-based quantum communications startup building continuous-variable quantum key distribution transceivers in standard optical pluggable form factors, and it merits investor attention because it is trying to compress QKD from rack-scale systems into deployable modules that can sit inside existing network infrastructure [Dealroom.co] [PhotonVentures Photonics Venture Capital Fund] [Optica, September 2025]. The company appears to have emerged as a TU/e spin-out founded in 2021, with a product agenda centered on bringing quantum-safe physical-layer security into telecom, data-network, and AI-infrastructure environments without requiring separate standalone appliances [Dealroom.co] [PhotonVentures Photonics Venture Capital Fund] [CUbIQ Technologies]. Its core pitch is a CV-QKD pluggable, described in company and partner materials as compatible with existing DWDM environments and materially smaller and lower power than conventional rack-based QKD systems, although the headline 100x improvement claims should still be treated as company-reported until independently benchmarked [CUbIQ Technologies] [LinkedIn, 2026] [Optica, September 2026].
The near-term evidence of technical progress is stronger than the financing picture: CUbIQ announced a September 2025 proof of concept with Coherent and Liberty Global, and a September 2026 demonstration with Coherent that linked its security layer to NVIDIA-related AI networking hardware, suggesting the company is pursuing relevance in both carrier and AI-cluster contexts [Optica, September 2025] [Optica, September 2026] [Quantum Zeitgeist, September 2026]. Leadership is led by co-founder and CEO Aaron Albores Mejia and co-founder and CTO Chigo Okonkwo, with Okonkwo also identified publicly as a professor at Eindhoven University of Technology focused on high-capacity optical transmission; the March 2025 addition of Peter Rajec as chief commercial officer points to an early effort to professionalize go-to-market capacity around a still-technical product set [Optica, September 2025] [LinkedIn, 2026] [CUbIQ Technologies] [Peter Rajec Email & Phone Number | CUbIQ Technologies Chief Commercial Officer (CCO) Contact Information, 2026]. The capital base is less transparent, with no confirmed priced venture round in the available public record, but public materials do indicate non-dilutive support through an NWO Take-off grant and participation in the EIC Transition project PAQAAL, which Entangled Future reports carries a EUR 2.5 million EU contribution running from 2025 to 2028 [CUbIQ Technologies, January 2024] [EIC Chooses Nine Quantum Tech Start-ups in Latest Funding Round, March 2025] [Entangled Future]. Over the next 12 to 18 months, the key watchpoints are whether these demonstrations convert into repeatable commercial deployments, whether the company can validate interoperability claims across standard optical environments, and whether external funding visibility improves enough to judge its manufacturing and sales readiness with more confidence [Optica, September 2025] [Optica, September 2026] [CUbIQ Technologies].
Single-source, plausible -- Relies on a mix of company materials, partner announcements, and limited independent coverage; financing details remain only partially corroborated.
Taxonomy Snapshot
| Axis | Value |
|---|---|
| Stage | Pre-Seed |
| Business Model | Hardware + Software |
| Industry / Vertical | Deeptech |
| Technology Type | Quantum Computing |
| Geography | Western Europe |
| Growth Profile | Venture Scale |
| Founding Team | Co-Founders (2) |
| Funding | Undisclosed |
The Company in Brief
PUBLIC
CUbIQ Technologies is an Eindhoven, Netherlands-based startup founded in 2021, focused on continuous-variable quantum key distribution transceivers that fit standard optical-network pluggable form factors [Dealroom.co] [CUbIQ Technologies]. The most decision-relevant point at this stage is not the category label but the integration claim: the company is positioning quantum-safe physical-layer security as something that can sit inside existing optical infrastructure rather than alongside it as separate rack equipment, according to its own materials [CUbIQ Technologies]. Dealroom identifies the business as a spin-off from Eindhoven University of Technology, which aligns with company materials centered on integrated photonics and coherent optical transmission [Dealroom.co] [CUbIQ Technologies].
The public milestone trail is still thin, but it is coherent. In January 2024, the company announced an NWO Take-off grant tied to development of its "Quantum Secure Coherent Engine" [CUbIQ Technologies, January 2024]. By 2025, CUbIQ said it was implementing the PAQAAL European Innovation Council Transition project running from 2025 to 2028, and independent coverage in March 2025 identified PAQAAL as one of the selected EIC Transition quantum projects [CUbIQ Technologies] [The Quantum Insider, March 2025]. In September 2025, the company and partners disclosed a proof of concept around QKD in a QSFP-28 pluggable format, followed by a later Optica-posted demonstration in September 2026 involving AI-network infrastructure and Coherent equipment [Optica, September 2025] [Optica, September 2026].
Public information on the legal entity is limited in the source set used here, so the cleaner read is that CUbIQ remains an early commercial-stage Dutch deeptech company with a university spin-out profile and grant-backed technical progress [Dealroom.co] [CUbIQ Technologies]. The chronology matters because it suggests a path from research-originated development in 2021, to grant-supported productization in 2024, to ecosystem demonstrations with industry partners in 2025 and 2026, rather than a company claiming market readiness without intermediate proof points [CUbIQ Technologies, January 2024] [Optica, September 2025] [Optica, September 2026].
Single-source, plausible -- Company website and Dealroom support the founding, headquarters, and spin-out profile, but key milestones rely partly on company and partner announcements with limited independent corroboration.
What They Have Built
Mixed sourcing
The product claim that matters here is not quantum security in the abstract, but the packaging. CUbIQ says it is building continuous-variable quantum key distribution, or CV-QKD, transceivers in standard optical-network pluggable form factors, with the stated goal of embedding physical-layer quantum-safe security into existing fiber and AI-network infrastructure rather than relying on separate rack systems [CUbIQ Technologies, Unknown] [Optica, September 2025]. Public company materials describe a low-power electronic-photonic integrated coherent optical transceiver, while partner and company announcements place the product specifically in a QSFP-28 pluggable format and position it for operation alongside conventional optical networking equipment [CUbIQ Technologies, Unknown] [Optica, September 2025].
The technical wedge, according to the company and partner coverage, is compatibility with existing optical environments. CUbIQ states that the quantum channel can run over existing dense wavelength division multiplexing allocation alongside production traffic, and Optica-hosted corporate news described the 2025 proof of concept with Coherent and Liberty Global as a scalable QKD-over-DWDM demonstration in a QSFP-28 pluggable [CUbIQ Technologies, Unknown] [Optica, September 2025]. Claims that the module cuts power consumption, cost, and footprint by roughly 100x versus rack-based QKD systems appear in company and partner materials and in LinkedIn-based team references, but those comparisons should still be read as vendor framing until third-party benchmarking surfaces [CUbIQ Technologies, Unknown] [LinkedIn, 2026] [Optica, September 2025].
The most concrete public validation is the demo record, which has become more specific over time. In September 2025, CUbIQ announced a proof of concept with Coherent and said Liberty Global had selected its pluggable QKD approach to reinforce existing IPsec and MACsec infrastructure with quantum-safe encryption [Optica, September 2025]. In September 2026, Optica and Quantum Zeitgeist reported a live demonstration with Coherent that connected the pluggable system to NVIDIA networking and AI hardware, including ConnectX-7 and DGX Spark, with no modification to the existing deployment; the same set of reports said the demo included live eavesdropper detection for AI-network links [Optica, September 2026] [Quantum Zeitgeist, September 2026]. That leaves the company with a clearer public story on technical feasibility than on production maturity, which is typical at this stage.
Single-source, plausible -- Product positioning is corroborated across company materials and Optica partner announcements, but several performance claims remain company-led and lack independent benchmarking.
Market Size and Demand
PUBLIC
The market matters now because CUbIQ is trying to insert quantum-safe security into network hardware at the point where operators and AI infrastructure owners are already upgrading optical links, which is a narrower and more time-sensitive wedge than the broad, often speculative, "post-quantum" label implies [Optica, September 2025] [Optica, September 2026] [Quantum Zeitgeist, September 2026].
The available public record does not provide a cited third-party TAM, SAM, or SOM for CUbIQ specifically, so the cleanest way to frame market size is through adjacent buying budgets rather than through unsupported venture-style market math. On the demand side, CUbIQ's product is positioned around existing dense wavelength division multiplexing infrastructure and standard pluggable optics, which places it next to the optical networking and data center interconnect budget, not outside it [CUbIQ Technologies] [Optica, September 2025]. On the security side, the company's pitch is that quantum key distribution can be added without a separate rack appliance or major network redesign, which matters if buyers want stronger link-level encryption without opening a distinct infrastructure procurement cycle [Quantum Zeitgeist, September 2026] [CUbIQ Technologies].
That framing points to two practical adjacent markets. The first is coherent and pluggable optical networking, where adoption is already driven by bandwidth growth, power efficiency, and port density, and where a QSFP-28 or related pluggable form factor is easier to evaluate than a standalone quantum appliance if the performance claims hold [Optica, September 2025] [Optica, September 2026]. The second is AI and high-performance computing interconnect, where CUbIQ and Coherent publicly demonstrated operation with NVIDIA networking and DGX hardware, suggesting the company sees secure east-west traffic inside AI clusters as an earlier commercial path than mass-market enterprise security [Optica, September 2026] [Quantum Zeitgeist, September 2026].
Demand drivers in the cited record are concrete even if formal market sizing is thin. Telecom and network operators are under pressure to refresh optical infrastructure while preserving power budgets, and CUbIQ's core claim is that a pluggable CV-QKD approach can run alongside production traffic on existing wavelength plans, which lowers theoretical deployment friction relative to separate quantum links [CUbIQ Technologies] [LinkedIn, 2026]. At the same time, operators and large enterprises are facing a longer-dated but real regulatory and procurement shift toward quantum-resilient encryption, especially for infrastructure with long asset lives and sensitive traffic, making physical-layer key distribution at least relevant to pilot budgets even before broad-scale rollout [Optica, September 2025] [Entangled Future].
Regulatory and public-funding signals also matter more here than in a typical enterprise software market. CUbIQ's NWO Take-off support and participation in the EIC Transition project PAQAAL indicate that European public capital is still an important commercialization bridge for quantum communications hardware, particularly where productization sits between university research and carrier-grade deployment [CUbIQ Technologies, January 2024] [CUbIQ Technologies] [Entangled Future] [EIC Chooses Nine Quantum Tech Start-ups in Latest Funding Round, March 2025]. That does not prove customer demand on its own, but it does suggest the category fits European strategic priorities around digital sovereignty, secure infrastructure, and semiconductor-photonic integration.
| Market lens | Public evidence | Relevance to CUbIQ |
|---|---|---|
| Optical transport and DWDM infrastructure | CUbIQ says its quantum channel can operate over existing DWDM allocation alongside production traffic [CUbIQ Technologies] | Positions the product inside incumbent network upgrade cycles rather than as a separate network build |
| Telecom operator security budgets | Liberty Global was named in the 2025 proof of concept announcement tied to future-proofing network encryption [Optica, September 2025] | Suggests carrier interest in quantum-safe overlays at the transport layer |
| AI infrastructure interconnect | CUbIQ and Coherent demonstrated the system with NVIDIA DGX Spark and ConnectX-7 in 2026 [Optica, September 2026] [Quantum Zeitgeist, September 2026] | Opens an adjacent path into high-value, latency-sensitive AI network environments |
| European quantum commercialization funding | PAQAAL received EIC Transition backing, with a reported EUR 2.5 million EU contribution [Entangled Future] [EIC Chooses Nine Quantum Tech Start-ups in Latest Funding Round, March 2025] | Indicates policy support for moving CV-QKD hardware from prototype toward deployable systems |
The table shows a market story built from adjacent infrastructure budgets and public-sector commercialization support, not from a verified standalone market size for CV-QKD pluggables. That is a sensible framing at this stage, but it also means investors are underwriting category creation risk alongside product execution risk.
Single-source, plausible -- This section relies on a mix of company disclosures, partner announcements in Optica corporate news, and one named independent outlet; no third-party TAM report or audited market sizing for CUbIQ's exact category was identified.
Who Else Is Fighting for This
MIXED CUbIQ is positioning itself against both conventional quantum key distribution systems and non-quantum security layers by shrinking CV-QKD into a standard optical pluggable that can sit inside existing network hardware, rather than beside it as a separate appliance [CUbIQ Technologies, September 2025] [Optica, September 2025] [Optica, September 2026].
The competitive map is easier to understand by segment than by logo, because the public record here is thin on named direct rivals. In incumbent telecom security, the default alternative remains classical encryption at higher network layers, including IPsec and MACsec, which CUbIQ itself frames as the installed base its product is meant to reinforce rather than replace [Optica, September 2025]. In quantum communications, the more established reference point is the rack-based QKD system that CUbIQ repeatedly uses as the comparison baseline on power, cost, and footprint, although the company has not publicly named the vendors it is benchmarking against in the materials provided [CUbIQ Technologies] [LinkedIn, 2026] [Quantum Zeitgeist, September 2026]. Adjacent substitutes also matter: operators can defer physical-layer quantum upgrades altogether and continue extending classical optical transport with standard coherent pluggables plus software-defined key management, a path that benefits from procurement familiarity and lower integration risk, even if it does not address the same threat model [Optica, September 2026].
Where CUbIQ appears to have a real edge today is not scale or distribution, but product architecture and ecosystem fit. The company has publicly tied its approach to standard pluggable optics, existing DWDM channel allocation, and demonstrations with Coherent, Liberty Global, and later NVIDIA-linked infrastructure, which together suggest a strategy built around insertion into current network designs rather than greenfield rebuilds [Optica, September 2025] [Optica, September 2026] [Quantum Zeitgeist, September 2026]. That is a meaningful advantage if buyers want quantum-safe features without new racks, new power budgets, or a separate operational stack. Still, the durability of that edge is not yet clear. It looks durable to the extent it rests on hard photonics integration and CV-QKD system know-how from a TU/e spin-out team, including co-founder and CTO Chigo Okonkwo's academic position in high-capacity optical transmission [PhotonVentures Photonics Venture Capital Fund] [LinkedIn, 2026]. It looks perishable to the extent larger optics vendors or incumbent security suppliers can replicate the form factor once demand is proven.
The company is most exposed where commercial scale and channel ownership matter more than technical novelty. Coherent is currently a partner in CUbIQ's public demonstrations, but it also represents the type of established optical component supplier that would hold stronger manufacturing relationships, qualification processes, and customer access if this product category becomes mainstream [Optica, September 2025] [Optica, September 2026]. Liberty Global is useful as a proof point, according to the September 2025 Optica announcement, yet one selecting organization is not the same as a repeatable carrier sales motion across multiple operators and geographies [Optica, September 2025]. The same risk applies in AI infrastructure. NVIDIA-linked compatibility is strategically relevant, but CUbIQ does not own that channel, and hyperscale or OEM buyers may prefer integrated security features from incumbent networking and optics partners if performance, certification, or support requirements tighten [Optica, September 2026] [Quantum Zeitgeist, September 2026].
The most plausible 18-month scenario is that the category bifurcates between pilot-heavy innovation and procurement-grade deployment. Winner if interoperability inside existing optical estates becomes the buying criterion: CUbIQ, because its public demonstrations consistently emphasize QSFP-28 style insertion, DWDM coexistence, and operation with deployed compute and networking hardware [CUbIQ Technologies] [Optica, September 2026]. Loser if buyers continue to prioritize lowest-friction upgrades inside established vendor contracts: standalone rack-based QKD architectures as a category, because CUbIQ's core claim is that their cost, power, and footprint are structurally harder to justify once pluggable approaches become credible [LinkedIn, 2026] [Quantum Zeitgeist, September 2026]. That said, this is still an early competitive field from the standpoint of public evidence.
Single-source, plausible -- Based on company materials, Optica corporate member news, Quantum Zeitgeist, and LinkedIn corroboration; direct named-competitor coverage is limited in the available public record.
Opportunity
PUBLIC The prize here is not a niche quantum appliance vendor, but a credible shot at becoming the pluggable security layer that slides quantum-safe key exchange into standard optical and AI-network infrastructure if CUbIQ can turn repeated demos into repeatable deployment [Optica, September 2025] [Optica, September 2026] [CUbIQ Technologies, Unknown].
The headline opportunity rests on form factor more than on theory. CUbIQ is developing continuous-variable quantum key distribution transceivers in standard pluggable optics, with public materials describing QSFP-28 integration and operation alongside existing DWDM channel allocation rather than through separate rack systems [CUbIQ Technologies, Unknown] [Optica, September 2025]. That matters because most quantum-security efforts face an adoption tax at the network edge: new boxes, new power budgets, new operations overhead. CUbIQ's public evidence suggests it is trying to remove that tax, first through a proof of concept with Coherent and Liberty Global in 2025, then through an AI-infrastructure demonstration with Coherent and NVIDIA-connected equipment in 2026 [Optica, September 2025] [Optica, September 2026] [Quantum Zeitgeist, September 2026]. If that architecture holds outside controlled demonstrations, the company could become a component supplier for quantum-safe transport rather than a bespoke project vendor.
The path to scale is still conditional, but the growth scenarios are legible from the public record.
| Scenario | What happens | Catalyst | Why it's plausible |
|---|---|---|---|
| Telecom pluggable standard | CUbIQ becomes the preferred CV-QKD module for operators upgrading metro and backbone links that already use coherent optics and DWDM | A successful operator deployment after the Liberty Global proof of concept, plus further optical-system partnerships [Optica, September 2025] | The company has already shown a QSFP-28 pluggable proof of concept with Coherent and said the quantum channel can run alongside existing DWDM traffic, which lowers integration friction if performance holds [Optica, September 2025] [CUbIQ Technologies, Unknown] |
| Security layer for AI clusters | CUbIQ's module is adopted for short-reach, high-value AI and data-center links where physical-layer key exchange is easier to justify economically | The 2026 Coherent demonstration with NVIDIA-connected infrastructure translates into pilot programs with AI-network operators [Optica, September 2026] [Quantum Zeitgeist, September 2026] | Public evidence already shows the company positioned its CV-QKD pluggable around AI infrastructure, including operation with NVIDIA DGX Spark and ConnectX-7 interfaces, which is a more concrete wedge than a generic enterprise-security pitch [Optica, September 2026] |
| European quantum-network supplier | CUbIQ uses grant-backed development to move from prototype to an approved supplier in EU quantum communications programs and adjacent telecom upgrades | Execution under the PAQAAL EIC Transition project from 2025 to 2028 and follow-on procurement from consortium or ecosystem participants [CUbIQ Technologies, Unknown] [Entangled Future] | The company publicly states it is implementing the PAQAAL EIC Transition project, and independent coverage identified the project as carrying a EUR 2.5 million EU contribution, which gives CUbIQ funded runway for productization and ecosystem visibility [CUbIQ Technologies, Unknown] [Entangled Future] |
The compounding dynamic, if it appears, would come from fitting into buying motions that already exist. A pluggable module sold through optical-network upgrade cycles can piggyback on incumbent transceiver, switch, and transport relationships instead of forcing a net-new quantum-security budget line. Public evidence points to that logic already starting: CUbIQ has demonstrated with Coherent in both telecom and AI-network contexts, referenced Liberty Global in a 2025 proof of concept, and framed the product around standard ports and existing DWDM infrastructure rather than custom deployments [Optica, September 2025] [Optica, September 2026] [CUbIQ Technologies, Unknown]. Each successful deployment would do more than add revenue. It would also generate interoperability proof, shorten the next sales cycle, and make CUbIQ more useful to larger optical partners that need differentiated security features in otherwise crowded hardware markets.
The size of the win is hard to anchor because the company's category, pluggable quantum-safe optical security, does not yet have a clean public peer set in the supplied sources. Still, there is a reasonable scenario frame. If the PAQAAL-backed product path yields a deployable module and CUbIQ becomes a recognized supplier for telecom and AI-network links, the company could sit closer to strategic optical infrastructure vendors than to pure research tooling outfits [CUbIQ Technologies, Unknown] [Optica, September 2026]. On that scenario, the upside case is a strategic acquisition or late-stage infrastructure company valuation in the high hundreds of millions of euros (scenario, not a forecast), driven by ownership of a scarce integration point between quantum security and standard optical hardware. The public record supports the existence of the technical wedge and early ecosystem validation. It does not yet support precision on timing, scale, or market share.
Single-source, plausible -- This section relies on company materials, Optica corporate-member coverage, Quantum Zeitgeist, and Entangled Future. Core product direction and demonstrations are corroborated by multiple public sources, but the commercial scale implied in the upside case remains unproven in public evidence.
Sources
From the public record
[Dealroom.co] Cubiq Technologies company information, funding & investors | Dealroom.co | https://app.dealroom.co/companies/cubiq_technologies
[PhotonVentures Photonics Venture Capital Fund] PhotonVentures Photonics Venture Capital Fund | https://www.photonventures.fund/
[Optica, September 2025] CUbIQ Technologies Unveils Quantum Key Distribution Breakthrough demonstrated in a QSFP-28 Pluggable in Collaboration with Coherent, and Liberty Global. | https://www.optica.org/about/newsroom/corporate_member_news/2025/cubiq_technologies_unveils_quantum_key_distribution_breakthrough_demonstrated_in_a_qsfp-28_pluggable/
[CUbIQ Technologies] Physical Layer Security QKD Pluggable AI Infrastructure | https://cubiq-technologies.com/physical-layer-security-qkd-pluggable-ai-infrastructure/
[LinkedIn, 2026] Aaron Mejia - Greater Columbia, Missouri Area | Professional Profile | LinkedIn | https://www.linkedin.com/in/aaronmejia0/
[Optica, September 2026] CUbIQ Technologies and Coherent Corp. demonstrate scalable physical-layer security for AI infrastru | https://www.optica.org/about/newsroom/corporate_member_news/2026/cubiq_technologies_and_coherent_corp_demonstrate_scalable_physical-layer_security_for_ai_infrastru/
[Quantum Zeitgeist, September 2026] CUbIQ plugs quantum security into NVIDIA’s AI networks | https://quantumzeitgeist.com/nvidia-quantum-security-ai-cubiq-plugs/
[CUbIQ Technologies, January 2024] Dutch Startup CUbIQ Technologies Secures prestigious NWO Take-off Grant to Develop Quantum Secure Coherent Engine | https://cubiq-technologies.com/dutch-startup-cubiq-technologies-secures-prestigious-nwo-take-off-grant-to-develop-quantum-secure-coherent-engine/
[Entangled Future] CUbIQ Technologies | Quantum Communications in Eindhoven | https://entangledfuture.com/company/cubiq-technologies/
[Peter Rajec Email & Phone Number | CUbIQ Technologies Chief Commercial Officer (CCO) Contact Information, 2026] Peter Rajec Email & Phone Number | CUbIQ Technologies Chief Commercial Officer (CCO) Contact Information | https://rocketreach.co/peter-rajec-email_103517789
[The Quantum Insider, March 2025] EIC Chooses Nine Quantum Tech Start-ups in Latest Funding Round | https://thequantuminsider.com/2025/03/11/eic-chooses-nine-quantum-tech-start-ups-in-latest-funding-round/
Articles about CUbIQ Technologies
- CUbIQ's Pluggable QKD Cuts Power and Cost by 100x for AI Networks — The Eindhoven spin-out is demonstrating its continuous-variable QKD transceiver with partners, betting the path to adoption is plug-and-play, not rack-and-stack.