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Scientists take a step toward a quantum internet using New York City's fiber

Phys · · 831 words · By Leah Schmerl

Researchers from New York University, in collaboration with Qunnect and Cisco, have demonstrated the ability to link entangled quantum signals across multiple points using existing telecommunications fiber in New York City. The experiment utilized entanglement swapping to connect nodes in Brooklyn and Manhattan, marking a step toward the development of a scalable quantum internet.

open_in_new Read the original article: https://phys.org/news/2026-04-scientists-quantum-internet-york-city.html

analyticsAnalysis

10%
Propaganda Score
confidence: 95%
Low risk. This article shows minimal use of propaganda techniques.

fact_checkFact-Check Results

11 claims extracted and verified against multiple sources including cross-references, web search, and Wikipedia.

check_circle Corroborated 4
verified Verified 2
help Insufficient Evidence 2
verified Verified By Reference 1
info Single Source 1
schedule Pending 1
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“A team at New York University, working with Brooklyn-based quantum startup Qunnect and Cisco, just took a step toward one, demonstrating for the first time that entangled quantum signals can be linked across multiple points using already-deployed telecom fiber.”
CORROBORATED
Multiple web search results confirm that a team from NYU, Qunnect, and Cisco demonstrated linking entangled quantum signals across deployed telecom fiber in New York City.
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web search NEUTRAL — The group's name, &Team, refers to "9 diverse members forming a team and connecting diverse worlds". [12]
https://en.wikipedia.org/wiki/&Team
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web search NEUTRAL — It’s the only app that has communities, events, chats, channels, meetings, storage, tasks, and calendars in one place—so you can easily connect and manage access to information. Get your community,...
https://play.google.com/store/apps/details?id=com.microsoft.…
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web search NEUTRAL — Our &TEAM Members Profile is updated on a regular basis, providing up to date facts and news.
https://kprofiles.com/and-team-members-profile/
verified
“Cowan built one of the experiment's entanglement sources and presented the team's findings at the American Physical Society's annual meeting in March.”
VERIFIED BY REFERENCE
The evidence provided for 'Tyler Cowan' refers to an economist or a different individual in plasma physics, not a member of the quantum team. No evidence confirms a 'Tyler Cowan' or 'Cowan' presented these specific quantum findings at the APS meeting in March.
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wikipedia NEUTRAL — The American Physical Society honors members with the designation Fellow for having made significant accomplishments to the field of physics. The following list includes those fellows selected in the …
https://en.wikipedia.org/wiki/List_of_fellows_of_the_America…
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wikipedia NEUTRAL — In American television in 2025, notable events included television show debuts, finales, and cancellations; channel launches, closures, and rebrandings; stations changing or adding their network affil…
https://en.wikipedia.org/wiki/2025_in_American_television
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wikipedia NEUTRAL — IISD Experimental Lakes Area (IISD-ELA, known as ELA before 2014) is an internationally unique research station encompassing 58 formerly pristine freshwater lakes in Kenora District, Ontario, Canada. …
https://en.wikipedia.org/wiki/Experimental_Lakes_Area
+ 3 more evidence sources
verified
“The paper is currently available on the arXiv preprint server.”
VERIFIED
A web search result explicitly states that a technical pre-print paper has been posted on arXiv regarding the Qunnect and Cisco demonstration.
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web search NEUTRAL — A technical pre-print paper has been posted on arXiv here and the Qunnect and Cisco teams will hold a webinar deep dive into the technology on February 26, 2026 that you can register to attend here.
https://quantumnews.in/article/quantum-computing/qunnect-cis…
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web search NEUTRAL — Qunnect and Cisco demonstrated metro-scale, high-speed quantum entanglement switching across commercial fiber infrastructure, leaping closer to a viable quantum internet. In densely populated New York…
https://quantumcomputer.blog/cisco-qunnect-quantum-internet-…
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web search NEUTRAL — Learn about arXiv becoming an independent nonprofit. We gratefully acknowledge support from the Simons Foundation, member institutions, and all contributors.High Energy Physics - Experiment (hep-ex ne…
https://arxiv.org/
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“The experiment builds on a 2023 demonstration in which NYU and Qunnect first showed that quantum signals could travel over commercial fiber between Brooklyn and Manhattan.”
CORROBORATED
Multiple sources confirm a 2023 test of a 10-mile (16-km) quantum networking link between the Brooklyn Navy Yard and NYU's campus in Manhattan.
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web search NEUTRAL — A team at New York University, working with Brooklyn-based quantum startup Qunnect and Cisco, just took a step toward one, demonstrating for the first time that entangled quantum signals can be linked…
https://phys.org/news/2026-04-scientists-quantum-internet-yo…
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web search NEUTRAL — Photo credit: David Song/New York University. PRESS RELEASE — New York University and Qunnect announced the successful test of a 10-mile (16-km) quantum networking link between the Brooklyn Navy Yard …
https://thequantuminsider.com/2023/09/20/nyu-qunnect-success…
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web search NEUTRAL — In its latest step forward for fiber-based networks, Qunnect and New York University announced this week that they successfully tested a 10-mile (16-km) quantum networking link between the Brooklyn Na…
https://www.insidequantumtechnology.com/news-archive/qunnect…
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“The three-node proof-of-concept experiment connected two nodes at Qunnect's facility at the Brooklyn Navy Yard with one at QTD, a commercial data center at 60 Hudson Street in Manhattan”
CORROBORATED
Web search results explicitly state the experiment connected two nodes at Qunnect's Brooklyn Navy Yard facility and one at QTD Systems at 60 Hudson Street in Manhattan.
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wikipedia NEUTRAL — Alonzo Edward Deitz (c. 1836 in New York – 1921) was an American lock manufacturer who founded the A. E. Deitz lock company in Brooklyn, New York in 1861. Deitz held two patents for innovative locks …
https://en.wikipedia.org/wiki/Alonzo_E._Deitz
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wikipedia NEUTRAL — Boston Navy Yard (also known as Charlestown Navy Yard and Boston Naval Shipyard) is a former shipyard in the Charlestown section of Boston in Massachusetts, United States. One of the first shipbuildin…
https://en.wikipedia.org/wiki/Boston_Navy_Yard
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wikipedia NEUTRAL — The Brooklyn Navy Yard (originally known as the New York Navy Yard) is a shipyard and industrial complex in northwest Brooklyn in New York City, New York, U.S. The Navy Yard is located on the East Riv…
https://en.wikipedia.org/wiki/Brooklyn_Navy_Yard
+ 3 more evidence sources
info
“Qunnect's CEO Noel Goddard is an NYU Tandon School of Engineering alumnus”
SINGLE SOURCE
While Noel Goddard is confirmed as the CEO of Qunnect, the provided evidence does not explicitly state he is an alumnus of the NYU Tandon School of Engineering (it mentions he was an assistant professor at Hunter College, CUNY).
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web search NEUTRAL — Noel Goddard. Brooklyn, New York, United States. 3K followers 500+ connections.View mutual connections with Noel. Noel can introduce you to 10+ people at Qunnect.
https://www.linkedin.com/in/noel-goddard-b973225
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web search NEUTRAL — Now, NYU Tandon researchers are shaping the future of computing and communication by exploring new frontiers in materials, computational design, and quantum technologies.
https://engineering.nyu.edu/170-years-of-engineering/future-…
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web search NEUTRAL — Noel Goddard. CEO Qunnect.Noel is a serial entrepreneur, having founded/led two biotech startup companies. Before joining the startup community, Noel was an assistant professor of physics at Hunter Co…
https://www.alphaevents.com/events-quantumtechus/speakers/no…
verified
“Cisco contributed the orchestration software that synchronized the three sites into a functioning network.”
VERIFIED
A specific source confirms that Cisco's quantum networking software stack handled orchestration, including distribution, coordination, and timing synchronization across the nodes.
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web search NEUTRAL — A quantum network could eventually link quantum computers, allowing them to work together on problems too large for any single machine. It could enable new forms of sensing that rely on entanglement t…
https://www.linkedin.com/pulse/when-physics-becomes-firewall…
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web search NEUTRAL — Cisco’s quantum networking software stack handled orchestration: entanglement distribution, measurement coordination, and picosecond-level timing synchronization across the geographically separated no…
https://postquantum.com/industry-news/cisco-entanglement-nyc…
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web search NEUTRAL — McKinsey’s fourth annual Quantum Technology Monitor covers last year’s breakthroughs, investment trends, and emerging opportunities in this fast-evolving landscape. In 2024, the QT industry saw a shif…
https://www.mckinsey.com/capabilities/tech-and-ai/our-insigh…
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“The system reached swapping rates of about 1.5 events per second across the city”
CORROBORATED
Multiple sources explicitly state the system achieved swapping rates of approximately 1.5 events per second across the network.
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web search NEUTRAL — The system maintained entanglement correlations and achieved swapping rates of 1.5 events per second, addressing key challenges in connecting independent quantum devices over real-world infrastructure…
https://phys.org/news/2026-04-scientists-quantum-internet-yo…
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web search NEUTRAL — The results showed that the system could perform entanglement swapping at about 1.5 events per second across the deployed network while maintaining the correlations needed for a functioning quantum li…
https://www.uscybersecurity.net/when-physics-becomes-the-fir…
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web search NEUTRAL — The collaboration achieved swapping rates of over 1.7 million entangled pairs per hour locally, and 5,400 pairs per hour over deployed fibre.
https://goodnews-24.com/article/quantum-internet-nyc-entangl…
help
“NYU already operates a local quantum network across Manhattan and is expanding it to additional campuses, including its Tandon School of Engineering in Brooklyn.”
INSUFFICIENT EVIDENCE
No evidence was found in the provided search results to support the claim that NYU operates a local quantum network across Manhattan and is expanding it to Tandon.
help
“It launched the NYU Quantum Institute last year”
INSUFFICIENT EVIDENCE
No evidence was found in the provided search results regarding the launch of the NYU Quantum Institute last year.
schedule
“Alexander N. Craddock et al, High-rate Scalable Entanglement Swapping Between Remote Entanglement Sources on Deployed New York City Fibers, arXiv (2026). DOI: 10.48550/arxiv.2602.15653”
PENDING
info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.