Toshiba Corporation
Tohoku Medical Megabank Organization, Tohoku University
Toshiba Corporation (hereinafter Toshiba ) and the Tohoku Medical Megabank Organization at Tohoku University (hereinafter ToMMo ) have successfully applied high-speed quantum cryptographic communications technologies developed at Toshiba and Toshiba Research Europe's Cambridge Research Laboratory to achieve world-first quantum cryptography communication at one-month-average key distribution speeds exceeding 10 Mbps over installed optical fiber lines. The companies constructed an application for data transmission via optical fiber lines, which when combined with high-speed quantum cryptography communications technologies demonstrated practical key distribution speeds even in a real-world environment. The companies furthermore constructed and operated a wireless sensor network that continuously monitors installed fiber optic lines, and clarified the relationships between characteristic changes in optical fiber due to year-round variations in weather, vibration, and other factors and the performance characteristics of quantum cryptographic communications. This is a large advance toward the practical application of high-speed quantum cryptography communications. Details of this technology and demonstration was presented at QCrypt 2018*, held in Shanghai, China on 27 31 August 2018.
In today's IoT era, confidential information such as medical data and financial transactions are exchanged via networks, so cryptographic communications technologies require very high levels of security. In quantum cryptography communications, one bit of information is transmitted and received as a single photon of light. Eavesdropping changes the state of the photons and thus can be reliably detected. Quantum cryptography communications are therefore guaranteed to be secure against any eavesdropping and decryption, including that by quantum computers, and so are expected to be introduced into communication applications such as confidential data backups and medical data transmissions, etc. However, practical applications incorporating quantum cryptography communication will require development of systems that incorporate existing data communications infrastructure using optical fiber lines, as well as demonstrations that such systems can stably operate over long periods of time.
In a joint research project, Toshiba and ToMMo have applied high-speed quantum cryptographic communications technologies developed at Toshiba and Toshiba Research Europe's Cambridge Research Laboratory to develop a system that has been introduced into applications that transmit genome analysis data and to perform field demonstration experiments. In these experiments, quantum cryptographic devices were introduced at the Toshiba Life Science Analysis Center (Minamiyoshinari, Aoba-ku, Sendai) and at ToMMo (Seiryo-machi, Aoba-ku, Sendai), and communications were performed over dedicated installed optical fiber lines between the sites, a distance of approximately 7 km.
The companies also developed and incorporated a system for managing distributed cryptographic keys along with data encryption software that operates in coordination with that system. The system encrypted and transmitted genome analysis data between the two sites using these quantum cryptographic communications technologies. The system continuously stabilized the speed of quantum key distribution and achieved an average key distribution rate of 10.2 Mbps in continuous operations lasting over one month. This is a world-first demonstration of quantum cryptographic key distribution at speeds exceeding 10 Mbps in a real-world environment.
Furthermore, introducing a wireless sensor network into the above-mentioned installed optical fiber lines allowed measurement of environmental fluctuations external to communications such as year-round variations in optical fiber vibration due to factors such as temperature change, rainfall, snow covering, strong wind, and earthquakes, clarifying their relationships with quantum encryption communication performance.
Toshiba will continue to pursue operational field trials and the like with the goal of practical applications of quantum cryptography technology in various fields and use cases, including medical, financial, and communications infrastructure. ToMMo will continue to promote the use of safe and secure ICT technologies to realize future medical care based on genomic information.
*An annual international conference for quantum cryptography researchers. The 8th International Conference on Quantum Cryptography (QCrypt 2018, http://2018.qcrypt.net/) was held on 27 31 August 2018 at the Shanghai International Conference Center in Shanghai, China, hosted by the University of Science and Technology of China.
Most recent headlines
01/01/2026
Latin Grammy Cultural Foundation Announces 2026 Noel Schajris Scholarship The scholarship will cover tuition and housing for one Berklee College of Music stud...
01/01/2026
New year, new games, all with RTX 5080-powered cloud energy. GeForce NOW is kicking off 2026 by looking back at an unforgettable year of wins and wildly high fr...
31/12/2025
Back to All News
NFL Christmas Gameday on Netflix Scores Again With the Lions-V...
30/12/2025
As the College Football Playoff Enters the Quarterfinals, ESPN Blows Out Its Meg...
30/12/2025
SVG's Best of 2025: Original ArticlesTake a look back at all our coverage of big-time productions, game-changing technologies, and state-of-the-art new faci...
30/12/2025
MELBOURNE, Fla., Dec. 30, 2025 - L3Harris Technologies (NYSE: LHX) will release its fourth quarter 2025 financial results before the market opens on Thursday, J...
30/12/2025
Share Share by:
Copy link
Facebook
X
Whatsapp
Pinterest
Flipboard...
30/12/2025
It marked the first civilian operational authorization for a HAPS flight in Europe, led by Space42's subsidiary, Mira Aerospace
The flight demonstrated HAP...
29/12/2025
San Francisco 49ers Strike Gold With Halftime Laser SpectacularStunning display caps $200 million renovation of Levi's Stadium techBy Dan Daley, Audio Edito...
29/12/2025
The Cup's Around the Corner: An Inside Look at Broadcast Preparations for th...
29/12/2025
SVG's Best of 2025: Longform VideoWatch the standout keynote conversations, deep dives, and panel discussions from the year for free on SVG PLAY!By Brandon ...
29/12/2025
From crisper Lossless audio and immersive music videos in beta to new Audiobooks+ plans, custom transitions between tracks, and in-app Messages, we keep levelin...
29/12/2025
Share Share by:
Copy link
Facebook
X
Whatsapp
Pinterest
Flipboard...
27/12/2025
Share Share by:
Copy link
Facebook
X
Whatsapp
Pinterest
Flipboard...
26/12/2025
Share Share by:
Copy link
Facebook
X
Whatsapp
Pinterest
Flipboard...
26/12/2025
Share Share by:
Copy link
Facebook
X
Whatsapp
Pinterest
Flipboard...
25/12/2025
Holiday lights are twinkling, hot cocoa's on the stove and gamers are settling in for a well-earned break.
Whether staying in or heading on a winter getawa...
24/12/2025
What is AI good for? Posted by MTI Film on December 24, 2025
What is AI good for?
What is AI good for?
It's been three years since ChatGPT first cap...
24/12/2025
Share Share by:
Copy link
Facebook
X
Whatsapp
Pinterest
Flipboard...
24/12/2025
Share Share by:
Copy link
Facebook
X
Whatsapp
Pinterest
Flipboard...
24/12/2025
Share Share by:
Copy link
Facebook
X
Whatsapp
Pinterest
Flipboard...
24/12/2025
Share Share by:
Copy link
Facebook
X
Whatsapp
Pinterest
Flipboard...
24/12/2025
Share Share by:
Copy link
Facebook
X
Whatsapp
Pinterest
Flipboard...
24/12/2025
Back to All News
The Boyfriend' Season 2 Unveils Heartwarming Trailer, Key...
24/12/2025
Back to All News
Love, Fights, and Everything in Between: Badly in Love' Returns for Season 2
Entertainment
24 December 2025
GlobalJapan
Link copied t...
24/12/2025
Scripps Research study links sleep variability with sleep apnea and hypertension How consumers' digital activity trackers could enable personalized health s...
23/12/2025
How guilas Cibae as Dominican Winter League Games Are Locally Produced for Glob...
23/12/2025
BitFire's Jim Akimchuk on Supplying Scalability and Customization in the Clo...
23/12/2025
CAMB.AI Enables European Athletics to Offer Multi-Language SupportPlan is to eventually offer translation into all languages spoken in EuropeBy Ken Kerschbaumer...
23/12/2025
Analysis: As sports media values trend negative, scarcity and quality are king By Callum McCarthy, Editor-at-Large
Monday, December 22, 2025 - 14:08
Print ...
23/12/2025
ESPN, Disney, and NBA Return to the Animated Altcast Fray With Second Edition of...
23/12/2025
End the Year on a High Note and Donate to the Sports Broadcasting Fund Today!By Ken Kerschbaumer, Editorial Director
Tuesday, December 23, 2025 - 12:25 pm
P...
23/12/2025
The year is winding down, the weather outside is frightful, and it's the perfect time to escape into a story that warms the heart. For listeners looking for...
23/12/2025
A Zeus motor is hot fire tested at L3Harris' Camden, Arkansas, solid rocket ...
23/12/2025
Share Share by:
Copy link
Facebook
X
Whatsapp
Pinterest
Flipboard...
23/12/2025
Share Share by:
Copy link
Facebook
X
Whatsapp
Pinterest
Flipboard...
23/12/2025
Lightware will exhibit several major product innovations at ISE 2026, including the new USB-C BOOSTER-V1, Google Meet. integration for various Taurus UCX models...
23/12/2025
Share Share by:
Copy link
Facebook
X
Whatsapp
Pinterest
Flipboard...
23/12/2025
Share Share by:
Copy link
Facebook
X
Whatsapp
Pinterest
Flipboard...
23/12/2025
Share Share by:
Copy link
Facebook
X
Whatsapp
Pinterest
Flipboard...
23/12/2025
Share Share by:
Copy link
Facebook
X
Whatsapp
Pinterest
Flipboard...
23/12/2025
Share Share by:
Copy link
Facebook
X
Whatsapp
Pinterest
Flipboard...
23/12/2025
Taking the Stage at Carnegie Hall-On a Global Scale Boston Conservatory Orchestra students reflect on their epic concert marking the 80th session of the UN Gene...
23/12/2025
Back to All News
Netflix's The Great Flood and Culinary Class Wars 2 Top Gl...
23/12/2025
Back to All News
Stranger Things By the Numbers: How the Global Phenomenon Shap...
23/12/2025
Experience the power of WO Automation for Radio's newest service, the System Effectiveness Review. Designed to help you achieve more, a System Effectiveness...
23/12/2025
23 Dec 2025
VEON's Beeline Kazakhstan and Rakuten Symphony Collaborate to A...
23/12/2025
Back to All News
How Steamy Can It Get? Single's Inferno' Season 5 Pre...
23/12/2025
Back to All News
33 Million Global Viewers on Netflix Watched Jake Paul vs. Ant...
Toshiba Corporation
