## Does the First Open-Access US Quantum Network Change the Infrastructure Equation?

New Mexico's $450 million state investment in quantum technologies has produced a concrete first deliverable: ABQ-Net, described by its backers as the first open-access [entanglement](https://quantumintel.tech/glossary/entanglement)-based quantum network in the United States. As of this week, four companies — [Infleqtion](https://quantumintel.tech/companies/infleqtion), Aliro Technologies, Tensora, and Bandelier Technologies — have signed on as its inaugural users, each pursuing distinct application verticals on the same shared fiber infrastructure.

The network was built by [Qunnect](https://quantumintel.tech/companies/qunnect), the Brooklyn-based quantum networking hardware firm, under a contract with Roadrunner Venture Studios. Its two initial nodes sit at Qunnect's Albuquerque office and the Center for Integrated Nanotechnologies (CINT), a Department of Energy facility jointly operated by Sandia and Los Alamos National Laboratories. Planned extensions would connect the Air Force Research Lab and the University of New Mexico, making the topology defense-adjacent from the outset.

The core proposition is straightforward: companies get live quantum network testing without absorbing the capital cost of building dedicated fiber infrastructure. Given that entanglement distribution at metropolitan scale still requires highly specialized hardware — photon sources, quantum repeater nodes, cryogenic or room-temperature memory depending on the approach — shared infrastructure meaningfully lowers the barrier for early validation work.

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## What Each Firm Is Actually Testing

The four inaugural users are not running identical experiments. Their stated use cases span quantum sensing, key distribution, and infrastructure security, which tells you something about where the near-term commercial surface for quantum networking actually lies.

**Infleqtion** is the highest-profile name on the list. The neutral atom company's CEO Matt Kinsella stated that Infleqtion will use ABQ-Net to validate coherent networked quantum sensors synchronized via quantum timing — using both atomic clocks and entangled particles. The applications he cited range from missile defense and autonomous systems to finance and 6G telecommunications. Timing synchronization via entanglement is one of the more credible near-term use cases for quantum networking: it doesn't require full fault-tolerant quantum computing, and the precision advantage over GPS-based timing is quantifiable. Whether ABQ-Net's current infrastructure is mature enough to demonstrate a meaningful edge over existing atomic clock distribution methods is a question the source material doesn't answer.

**Aliro Technologies**, backed by Cisco and Accenture, is deploying its AlirOS KeyGen stack on the network's fiber to demonstrate real-time entanglement-based secure key generation. CTO Michael Cubeddu stated directly: "With this integration, we are demonstrating real-time entanglement-based secure key generation, which further validates our technology for real-world use by customers in defense, finance, and telecom." Aliro is one of the few companies with a software stack purpose-built for entanglement-based networks rather than conventional QKD, and a live deployment on DOE-adjacent infrastructure carries more validation weight than a lab demo.

**Tensora** is exploring quantum-inspired sensing for geological monitoring — specifically analyzing unique datasets generated by ABQ-Net to improve detection of subtle geological changes for natural hazard detection and infrastructure resilience. The "quantum-inspired" framing here is worth noting: this may not require quantum advantage in the strict sense, but proximity to live quantum network data pipelines could still differentiate Tensora's training datasets from anything achievable classically.

**Bandelier Technologies**, a Santa Fe-based deep-tech firm with existing ties to Los Alamos National Laboratory and the DARPA ERIS Marketplace, is investigating how quantum entanglement and artificial intelligence can strengthen critical infrastructure security. The DARPA ERIS connection signals that Bandelier is already operating within defense procurement channels, which matters for a network with this geographic and institutional profile.

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## The Infrastructure Model Deserves Scrutiny

The open-access framing is commercially interesting but requires unpacking. Qunnect built ABQ-Net under contract — it is not a neutral public utility. The four firms using it today are essentially early validation customers for both Qunnect's hardware and the broader network-as-a-service model Roadrunner Venture Studios is presumably trying to replicate.

The $450 million figure is New Mexico's stated investment in quantum technology broadly — it is not a construction budget for ABQ-Net itself. The source material does not specify what portion of that state commitment is allocated to network infrastructure versus other quantum development programs. Readers evaluating the network's long-term funding stability should hold that distinction clearly.

The physics-based security model ABQ-Net advertises — protections that exceed what classical networks can offer — is a reference to the information-theoretic security guarantees of entanglement-based key distribution. This is well-established physics, but translating it to operational systems at scale remains an active engineering challenge. The network's current node count (two confirmed, more planned) means the deployable footprint is still modest.

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## Industry Trajectory

The broader significance here is geographic and structural, not purely technical. Albuquerque's cluster of national laboratories — Sandia, Los Alamos, Air Force Research Lab — creates a natural demand base for secure quantum networking that few other US metros can match. New Mexico is essentially using state capital to build shared infrastructure that makes the region's existing defense-research ecosystem more attractive to quantum startups that need live network access to develop and validate their products.

This is a different model from the hyperscaler-driven cloud quantum access offered by AWS, IBM, and others. ABQ-Net is physical fiber with entanglement distribution — not a simulator or a cloud API. For companies like Aliro and Infleqtion working on genuinely networked quantum applications, that distinction is meaningful: you cannot validate entanglement-based key generation or quantum timing synchronization on a classical simulator.

The question for the next 18 months is whether the network expands to the additional nodes that are currently planned, and whether the application results from these four firms produce publishable fidelity metrics and distribution rates — the numbers that would let the broader community evaluate whether ABQ-Net is a serious research asset or a well-funded proof-of-concept.

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## Key Takeaways

- **$450 million** in New Mexico state investment is the funding catalyst behind ABQ-Net, the first open-access entanglement-based quantum network in the US.
- **Four inaugural users**: [Infleqtion](https://quantumintel.tech/companies/infleqtion) (quantum sensing and timing), Aliro Technologies (entanglement-based key generation), Tensora (geological sensing), Bandelier Technologies (infrastructure security and AI).
- **Qunnect** built ABQ-Net under contract with Roadrunner Venture Studios; initial nodes are at Qunnect's Albuquerque office and the DOE's Center for Integrated Nanotechnologies (Sandia/Los Alamos).
- Aliro — backed by Cisco and Accenture — is running its AlirOS KeyGen stack for real-time entanglement-based secure key generation on live fiber.
- Planned network expansions include connections to the Air Force Research Lab and the University of New Mexico.
- The $450M figure covers New Mexico's quantum investment broadly — the source does not break out ABQ-Net's specific construction cost.
- The open-access model lowers infrastructure barriers for startups needing live entanglement distribution to validate networked quantum applications.

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## Frequently Asked Questions

**What is ABQ-Net and who built it?**
ABQ-Net is the first open-access entanglement-based quantum network in the United States, located in Albuquerque, New Mexico. It was built by Qunnect, a Brooklyn-based quantum networking hardware company, under a contract with Roadrunner Venture Studios. Its initial nodes are at Qunnect's Albuquerque office and the Center for Integrated Nanotechnologies, a DOE facility operated by Sandia and Los Alamos National Laboratories.

**What is New Mexico's $450 million quantum investment for?**
New Mexico's $450 million investment is directed at quantum technology development broadly, with a stated goal of fostering quantum company creation and attracting quantum firms to the state. ABQ-Net is one output of that investment strategy, but the source material does not specify the network's individual construction cost within the larger figure.

**Which companies are using ABQ-Net and for what purpose?**
Infleqtion is validating coherent networked quantum sensors and quantum timing synchronization. Aliro Technologies is demonstrating real-time entanglement-based secure key generation via its AlirOS KeyGen stack. Tensora is exploring quantum-inspired geosensing for natural hazard detection. Bandelier Technologies is investigating how quantum entanglement combined with AI can secure critical infrastructure networks.

**How does entanglement-based key generation differ from standard QKD?**
Standard QKD protocols typically use prepare-and-measure schemes over classical fiber links, relying on quantum properties of individual photons. Entanglement-based key generation — the approach Aliro is demonstrating — uses correlated entangled photon pairs distributed across the network, enabling security proofs grounded in Bell inequality violations rather than assumptions about the measurement devices. This can offer stronger security guarantees in principle, though it places more demanding requirements on photon source quality and network coherence.

**What does ABQ-Net mean for the quantum networking market?**
ABQ-Net represents a state-funded shared infrastructure model that de-risks early-stage quantum networking R&D for startups and established firms alike. By giving companies live entanglement distribution without requiring them to build proprietary fiber networks, it accelerates the validation cycle for products targeting defense, finance, and telecom customers. If the network expands as planned and participating firms publish performance data, it could become a reference deployment for the US quantum networking industry.