{"id":1513,"date":"2025-12-15T17:36:39","date_gmt":"2025-12-15T17:36:39","guid":{"rendered":"https:\/\/www.toshiba.eu\/solutions\/quantum\/?post_type=news&p=1513"},"modified":"2025-12-15T17:36:41","modified_gmt":"2025-12-15T17:36:41","slug":"quantum-corridor-toshiba-demonstrate-first-cross-state-quantum-key-distribution-over-live-commercial-metro-fiber-network","status":"publish","type":"news","link":"https:\/\/www.toshiba.eu\/solutions\/quantum\/news\/quantum-corridor-toshiba-demonstrate-first-cross-state-quantum-key-distribution-over-live-commercial-metro-fiber-network\/","title":{"rendered":"Quantum Corridor, Toshiba, demonstrate first cross-state Quantum Key Distribution over live commercial metro fiber network"},"content":{"rendered":"\n

Proof-of-Concept Passes Quantum Keys from End-to-End Over Photonic Network Spanning Heart of Chicago to NW Indiana<\/em><\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

CHICAGO (Dec. 9, 2025) \u2014<\/strong> Quantum Corridor<\/a>, in collaboration with Toshiba International Corporation<\/a> and partners, today announced the successful demonstration of quantum-secured communication over a live metropolitan fiber network connecting Tier III data centers in Illinois and Indiana\u2014an achievement that marks a critical step toward building a commercially scalable, quantum-safe internet for the United States.<\/p>\n\n\n\n

The team successfully implemented Quantum Key Distribution (QKD) over commercial fiber infrastructure spanning from Chicago\u2019s ORD 10 Data Center (350 Cermak) to the Digital Crossroad Data Center (100 Digital Crossroad Drive) in Hammond, Ind. The experiment validated the use of Toshiba\u2019s multiplexed QKD technology and Ciena\u2019s high-speed coherent transport systems to deliver continuous, secure key generation and high-throughput encryption across a 21.8km segment of Quantum Corridor\u2019s live high-capacity optical network.<\/p>\n\n\n\n

In QKD, the cryptographic key is co-generated through the interplay of quantum physics\u2014 where single photons\u2019 quantum states establish correlated randomness\u2014 and classical communication, which reconciles and verifies that randomness into an identical secret key at both ends. This is the first on any commercial carrier in the U.S.<\/p>\n\n\n\n

\u201cThis is a historic step toward realizing a quantum-secure communications fabric for America\u2019s digital economy, defense, life science industry and beyond,\u201d said Ryan Lafler<\/strong>, President & CTO of Quantum Corridor. \u201cWorking with Toshiba and our regional partners, we\u2019ve shown that quantum-safe networking can be deployed today\u2014on existing infrastructure\u2014to protect the data that underpins our most critical systems.\u201d<\/p>\n\n\n\n

Read full Quantum Corridor-Toshiba Technical White Paper<\/a><\/p>\n\n\n\n

A Milestone for Quantum-Resilient Infrastructure
<\/strong>Using Toshiba\u2019s ETSI-compliant QKD systems, the network achieved secure key rates averaging 1,500 kbps, far exceeding typical field expectations. These quantum-generated keys were seamlessly integrated into Ciena Waveserver 5 800G coherent encryption modules, which provided AES-256-GCM encryption. The FIPS 140-3 Level 2 certified solution securely obtained a fresh set of QKD keys every 90 seconds, showcasing the interoperability and scalability of quantum-secured transport in a commercial setting.<\/p>\n\n\n\n

\u201cThis collaboration marks a major milestone for quantum-secure communications, moving use cases out of the lab and into the real world on existing fiber,” said Terry Cronin<\/strong>, Vice President of Business Development at Toshiba International Corporation. “This opens the door to faster innovation, broader adoption, and stronger collaboration across the quantum ecosystem, accelerating customer adoption of quantum-secure networks.\u201d<\/p>\n\n\n\n

The system maintained 100% line-rate throughput and zero packet loss over 48 hours of continuous encrypted traffic, demonstrating the readiness of QKD for real-world, high-availability network operations\u2014offering nearly instantaneous and unhackable quantum communications for sensitive data in finance, healthcare, defense and government applications.<\/p>\n\n\n\n

“It is extremely exciting to witness QKD deployed and functioning on a fully commercial network under real world conditions,\u201d said Dr. Michael Manfra<\/strong>, Director of the Purdue University Quantum Science and Engineering Institute. \u201cThis achievement marks a significant transitioning towards commercially viable secure quantum key distribution across state boundaries in a major metropolitan center. This result from Quantum Corridor and Toshiba bodes well for further commercial expansion in the Midwest Quantum heartland. “<\/p>\n\n\n\n

A Regional Collaboration<\/strong>
Both CQE corporate partners, the Quantum Corridor and Toshiba collaboration grew from the Chicago Quantum Exchange partnership program, which accelerates the progress of quantum innovations by connecting organizations to advance research and development and address gaps in the quantum ecosystem.<\/p>\n\n\n\n

\u201cThe partnerships that fueled this work highlight the essential role of collaboration across borders and between organizations in accelerating quantum technology development,\u201d said Dr. David Awschalom<\/strong>, the University of Chicago\u2019s Liew Family professor of molecular engineering and the director of the CQE. \u201cThis is why building a strong quantum ecosystem matters. By bringing teams of researchers with different strengths and assets together, we make projects like this possible.\u201d<\/strong><\/p>\n\n\n\n

Quantum Corridor piloted this project using Toshiba QKD equipment that was on loan to the Chicago Quantum Exchange. In addition, a University of Chicago graduate student provided valuable input on the use of the QKD unit. Visit www.quantumcorridor.com<\/a> for more information.<\/p>\n\n\n\n

\n\n\n\n

About Quantum Corridor Inc.
<\/strong>Quantum Corridor Inc. was formed by Chicago-area technology innovators to drive technology infrastructure to Indiana and create an information-sharing platform for institutions such as Chicago Quantum Exchange<\/a>, defense contractors, research hubs and universities. It is a member of the Bloch Tech Hub<\/a>, a coalition of industry, academic, government and nonprofit stakeholders led by Chicago Quantum Exchange, one of 31 U.S. Regional and Innovation Technology Hubs designated for quantum technologies. Quantum Corridor Inc. was named a Chicago Quantum Exchange member in April 2024. Generally targeted to the largest research and education centers and to entities that can use high bandwidth, the Quantum Corridor network will stretch 263 miles and be the nation’s largest quantum computing superhighway. Visit www.quantumcorridor.com<\/a> for more.<\/p>\n\n\n\n

About Toshiba International Corporation (TIC)<\/strong><\/p>\n\n\n\n

Toshiba International Corporation, a Toshiba America Inc. Group company and a wholly owned subsidiary of Toshiba Corporation, encompasses diverse range of divisions and business units, including Motors & Adjustable Speed Drives, Power Electronics, Automotive, Transportation, Digital Solutions, Quantum Key Distribution and Transmission & Distribution.<\/p>\n\n\n\n

Headquartered in Houston, Texas, TIC provides application solutions to a wide range of industries including the energy sector, general industrial, data centers, automotive, medical and more.<\/p>\n\n\n\n

Media Contacts
<\/strong>Kevin Loughery, Quantum Corridor\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Jess Tasman on behalf of Toshiba
kevin@quantumcorridor.com<\/a>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 toshiba@pancomm.com<\/a>
317-523-5800<\/p>\n","protected":false},"excerpt":{"rendered":"

Proof-of-Concept Passes Quantum Keys from End-to-End Over Photonic Network Spanning Heart of Chicago to NW Indiana CHICAGO (Dec. 9, 2025) \u2014 Quantum Corridor, in collaboration with Toshiba International Corporation and…<\/p>\n","protected":false},"author":6,"featured_media":0,"parent":0,"template":"","tags":[31,24,51],"product":[15],"industry":[26],"content-type":[14],"class_list":["post-1513","news","type-news","status-publish","hentry","tag-qkd","tag-quantum-key-distribution","tag-quantum-secure-networking","product-quantum-key-distribution","industry-telecommunications","content-type-press-release"],"acf":[],"yoast_head":"\nQuantum Corridor, Toshiba, demonstrate first cross-state Quantum Key Distribution over live commercial metro fiber network - Toshiba Quantum Technology<\/title>\n<meta name=\"description\" content=\"Quantum Corridor and Toshiba have demonstrated the first cross-state QKD system across a live commercial fiber network in the USA.\" \/>\n<meta name=\"robots\" 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