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PRESS RELEASE: Toshiba Redefines the Limit of Intercity Secure Communications

Twin-Field QKD allows secure quantum key distribution over 500 km of optical fibre.

2 May 2018

Conversational dialogue system paired with semantic knowledge bases to be presented at SIGDial2018

STG conversational dialogue system paired with semantic knowledge bases that connect to linked data supporting complex queries has been accepted to be presented in the forthcoming and highly competitive conference, SIGDial2018 in Australia, July 12–14 2018, Melbourne.

27 April 2018

STG spoken Dialogue system demonstrated at IEEE ICASSP conference

An architecture for an intelligent personal assistant that allows users to explore an information space by conversing with STG spoken Dialogue system has been demonstrated at IEEE ICASSP conference during the Show&Tell sessions in April 2018, Calgary Canada.

15 April 2018

Internships within STG for PhD students

STG invites PhD students with strong background in machine learning, deep learning or signal processing, who are in their second year of higher to apply for internships with us by sending their CV to

31 March 2018

Top performance in CHiME4 ASR challenge was reached in March 2018

Looking forward for the top performance in the new ASR challenge: CHiME5.

31 March 2018

A quantum light emitting diode for the standard telecom wavelength around 1550 nm

TREL shows in Nature Communications that quantum dot devices based on indium phosphide are capable of electrically injected single photon and entangled photon pair emission around 1550 nm. Entanglement fidelity of 87 ± 4% is sufficient for the application of one-way error correction protocols and the emission at 1550 nm can be directly integrated with existing long distance quantum communication and cryptography systems.

28 February 2018

Experimental measurement device independent quantum digital signatures

Proof-of-principle demonstration of quantum digital signatures (QDS) mediated by measurement-device-independent quantum key distribution (MDI-QKD). Published today in Nature Communications TREL has devised an efficient protocol to distil multiple signatures from the same block of data, thus reducing the statistical fluctuations in the sample and greatly enhancing the final QDS rate in the finite-size scenario.

23 October 2017

Research Internships

The Computer Vision Group accepts a limited number of internships for PhD students in their second year or higher. We have several interesting topics available, ranging from 3D Geometry to Machine Learning. Permission to work in the UK is required. Send your CV to

1 January 2017

BT and Toshiba Launch UK’s First Quantum Security Showcase

BT and Toshiba today opened the UK’s first secure quantum communication showcase at BT’s research and development centre in Ipswich.

13 October 2016

Ultra-high bandwidth quantum secured data transmission

Scientific Reports paper demonstrates a full quantum encryption system operating with a bandwidth of 200 Gb/s over 100 km of fibre and shows quantum encryption of 10 Tb/s is feasible for a 50 km fibre.

13 October 2016

Directly phase-modulated light source

Compact semiconductor-laser system that can be directly phase modulated reported by Toshiba in Physical Review X.

20 September 2016

A semiconductor photon sorter

Toshiba reports in Nature Nanotechnology a device that can send the photons in weak laser light in different directions based on their number.

18 July 2016
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