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Time of India
9 hours ago
- Science
- Time of India
India enters new quantum era of secure communication: Rajnath Singh
New Delhi: India has taken a major leap in defence and cyber security by successfully demonstrating free-space quantum secure communication using quantum entanglement , Defence Minister Rajnath Singh said on Monday. The Union Minister said that the country has entered a new quantum era of secure communication , which will prove to be a game changer in future warfare. The breakthrough was achieved by the DRDO-Industry-Academia Centre of Excellence (DIA-CoE) at IIT Delhi. The demonstration involved transmitting quantum entangled particles over a free-space optical link across a distance of more than one kilometre within the IIT Delhi campus. The experiment achieved a secure key rate of nearly 240 bits per second, with a quantum bit error rate of less than 7 per cent. According to experts, this technology enables real-time applications in quantum cyber security, including long-distance Quantum Key Distribution (QKD), future quantum networks and the quantum internet. Quantum entanglement-based communication provides stronger security than traditional methods. Even if the communication devices are compromised, entangled photons reveal any attempts at interception by disrupting their quantum state. This makes the encryption virtually unbreakable and highly useful in sectors like defence, finance, telecommunications and other strategic areas. A key benefit of this new method is that it eliminates the need for laying optical fibres, which is costly and difficult in remote or densely populated areas. The project, titled 'Design and development of photonic technologies for free space QKD," was sanctioned by the Directorate of Futuristic Technology Management (DFTM), DRDO . The demonstration was led by Professor Bhaskar Kanseri's research group and witnessed by top officials including DRDO DG (MED, COS & CS), Director SAG, Director DFTM, Dean (R&D) IIT Delhi, and other scientists. Congratulating the team, DRDO Chairman Dr Samir V Kamat and IIT Delhi Director Prof Rangan Banerjee called it a significant milestone in India's technological advancement. This is not the first success for the team. In 2022, DRDO and IIT Delhi demonstrated India's first intercity quantum communication link between Vindhyachal and Prayagraj using underground optical fibre. In 2024, they successfully distributed quantum keys over a 100 km spool of telecom-grade optical fibre. These achievements come under DRDO's DIA-CoEs initiative, which has set up 15 Centres of Excellence at leading institutions like IITs and IISc to develop cutting-edge defence technologies.


India Gazette
13 hours ago
- Science
- India Gazette
DRDO & IIT Delhi demonstrate Quantum Entanglement-Based Free-Space Quantum Secure Communication over more than 1 km distance
New Delhi [India], June 17 (ANI): India has entered into a new quantum era by successfully demonstrating an experimental advancement through DRDO-Industry-Academia Centre of Excellence (DIA-CoE), IIT Delhi, according to the official statement from the Ministry of Defence. The free-space quantum secure communication using quantum entanglement over a distance of more than one km was achieved via a free-space optical link established on the IIT Delhi campus. The experiment attained a secure key rate of nearly 240 bits per second with a quantum bit error rate of less than 7 per cent. As per the release, this entanglement-assisted quantum secure communication paves the way for real-time applications in quantum cybersecurity, including long-distance Quantum Key Distribution (QKD), the development of quantum networks, and the future quantum internet. These efforts align with India's broader objectives to advance quantum technologies for national development. Under the project 'Design and development of photonic technologies for free space QKD', sanctioned by Directorate of Futuristic Technology Management (DFTM), DRDO, the demonstration was given by Prof Bhaskar Kanseri's research group in the presence of several dignitaries, including the DRDO DG (MED, COS & CS), Director SAG, Director DFTM, Dean (R&D) IIT Delhi, Director (DIA-CoE) and DRDO laboratory scientists. Quantum entanglement-based QKD offers several significant advantages over the traditional prepare-and-measure method by enhancing both security and functionality. Even if devices are compromised or imperfect, the use of quantum entanglement ensures the security of key distribution. Any attempt to measure or intercept the entangled photons disturbs the quantum state, allowing authorised users to detect the presence of an eavesdropper. According to the release, Quantum communication provides fundamentally unbreakable encryption, making it a dual-use technology with applications in securing data in strategic sectors such as defence, finance, and telecommunications, as well as in protecting national security-related communications. Free-space QKD eliminates the need to lay optical fibers, which can be both disruptive and expensive, especially in challenging terrains and dense urban environments. Earlier, India's first intercity quantum communication link between Vindhyachal and Prayagraj in 2022, using commercial-grade underground dark optical fiber was demonstrated by DRDO scientists along with Prof Bhaskar's team. As per the statement, more recently, in 2024, the team successfully distributed quantum keys using entanglement over a 100 km spool of telecom-grade optical fiber in another DRDO-supported project. These technologies are being developed through DRDO-Industry-Academia - Centres of Excellence (DIA-CoEs) - an initiative of DRDO, where 15 Centres of Excellence have been established at premier academic institutes like IITs, IISc & Universities for development of cutting edge defence technologies. Raksha Mantri Rajnath Singh has congratulated DRDO & IIT Delhi for this landmark achievement, stating that India entered into a new quantum era of secure communication which will be a game changer in future warfare. According to the official statement, Secretary Department of Defence R&D and Chairman DRDO Samir V Kamat and Director, IIT Delhi Prof Rangan Banerjee congratulated the team for these key achievements. (ANI)


India Today
a day ago
- Science
- India Today
India enters quantum era with breakthrough in free-space secure communication
India has entered a new quantum era by successfully demonstrating an experimental advancement through DRDO-Industry-Academia Centre of Excellence (DIA-CoE) and IIT Delhi. The free-space quantum secure communication using quantum entanglement over more than one kilometre was achieved via a free-space optical link established on the IIT Delhi experiment attained a secure key rate of nearly 240 bits per second with a quantum bit error rate of less than 7 per cent. This entanglement-assisted quantum secure communication paves the way for real-time applications in quantum cybersecurity, including long-distance Quantum Key Distribution (QKD), the development of quantum networks, and the future quantum the project 'Design and development of photonic technologies for free space QKD', sanctioned by Directorate of Futuristic Technology Management (DFTM), DRDO, the demonstration was given by Prof Bhaskar Kanseri's research group in the presence of several dignitaries, including the DRDO DG Director SAG, Director DFTM, Dean (R&D) IIT Delhi, Director (DIA-CoE) and DRDO laboratory scientists. Quantum entanglement-based QKD offers several significant advantages over the traditional prepare-and-measure method by enhancing both security and functionality. Even if devices are compromised or imperfect, the use of quantum entanglement ensures the security of key attempt to measure or intercept the entangled photons disturbs the quantum state, allowing authorised users to detect the presence of an communication provides fundamentally unbreakable encryption, making it a dual-use technology with applications in securing data in strategic sectors such as defence, finance and telecommunications, as well as in protecting national security-related QKD eliminates the need to lay optical fibres, which can be both disruptive and expensive, especially in challenging terrains and dense urban India's first intercity quantum communication link between Vindhyachal and Prayagraj in 2022, using commercial-grade underground dark optical fibre, was demonstrated by DRDO scientists along with Prof Bhaskar's team. Last year, the team successfully distributed quantum keys using entanglement over a 100 km spool of telecom-grade optical fiber in another DRDO-supported technologies are being developed through DRDO-Industry-Academia - Centres of Excellence (DIA-CoEs) - an initiative of DRDO, where 15 Centres of Excellence have been established at premier academic institutes like IITs, IISc and universities for the development of cutting-edge defence Minister Rajnath Singh congratulated the DRDO and IIT Delhi for this landmark achievement, saying that India entered a new quantum era of secure communication which will be a game-changer in future warfare.


The Print
a day ago
- Science
- The Print
In quantum leap, DRDO & IIT-D exhibit ability to set up secure comms over laser sans optical fibre
The free space optical link is a line-of-sight technology that uses lasers to provide optical bandwidth connections. The experiment attained a secure key rate of nearly 240 bits per second with a quantum bit error rate of less than 7 percent, a statement released by the defence ministry said. This was achieved via a free-space optical link established on the IIT Delhi campus by a research group led by Prof Bhaskar Kanseri. New Delhi: In a step towards establishing secure communication without the need for optical fibre cables, the DRDO and IIT Delhi have successfully demonstrated free-space quantum secure communication using quantum entanglement over a distance of more than one km. This entanglement-assisted quantum secure communication paves the way for real-time applications in quantum cyber security, including long-distance Quantum Key Distribution (QKD), the development of quantum networks, and the future quantum internet. These efforts, said the ministry, align with India's broader objectives to advance quantum technologies for national development. The defence ministry said quantum entanglement-based QKD offers several significant advantages over the traditional prepare-and-measure method by enhancing both security and functionality. 'Even if devices are compromised or imperfect, the use of quantum entanglement ensures the security of key distribution. Any attempt to measure or intercept the entangled photons disturbs the quantum state, allowing authorised users to detect the presence of an eavesdropper,' it said. This means that quantum communication provides fundamentally unbreakable encryption, making it a dual-use technology with applications in securing data in strategic sectors such as defence, finance, and telecommunications, as well as in protecting national security-related communications. The process cuts away the need to lay optical fibre, which can be both disruptive and expensive, especially in challenging terrains and dense urban environments. India's first intercity quantum communication link was established in 2022 between Vindhyachal and Prayagrag. However, this was achieved through the use of commercial-grade underground dark optical fibre and demonstrated by DRDO scientists along with Prof Bhaskar's team. 'More recently, in 2024, the team successfully distributed quantum keys using entanglement over a 100 km spool of telecom-grade optical fibre in another DRDO-supported project,' said the statement. It added, 'These technologies are being developed through DRDO-Industry-Academia – Centres of Excellence (DIA-CoEs) – an initiative of DRDO, where 15 Centres of Excellence have been established at premier academic institutes like IITs, IISc and Universities for development of cutting edge defence technologies.' Congratulating DRDO and IIT Delhi, Defence Minister Rajnath Singh said with this achievement, 'India entered into a new quantum era of secure communication which will be a game changer in future warfare'. (Edited by Amrtansh Arora) Also Read: What is 155 mm/52 calibre barrel DRDO is offering to private players as transfer of technology


Hans India
a day ago
- Science
- Hans India
India enters new quantum era of secure communication: Rajnath Singh
New Delhi: India has taken a major leap in defence and cyber security by successfully demonstrating free-space quantum secure communication using quantum entanglement, Defence Minister Rajnath Singh said on Monday. The Union Minister said that the country has entered a new quantum era of secure communication, which will prove to be a game changer in future warfare. The breakthrough was achieved by the DRDO-Industry-Academia Centre of Excellence (DIA-CoE) at IIT Delhi. The demonstration involved transmitting quantum entangled particles over a free-space optical link across a distance of more than one kilometre within the IIT Delhi campus. The experiment achieved a secure key rate of nearly 240 bits per second, with a quantum bit error rate of less than 7 per cent. According to experts, this technology enables real-time applications in quantum cyber security, including long-distance Quantum Key Distribution (QKD), future quantum networks and the quantum internet. Quantum entanglement-based communication provides stronger security than traditional methods. Even if the communication devices are compromised, entangled photons reveal any attempts at interception by disrupting their quantum state. This makes the encryption virtually unbreakable and highly useful in sectors like defence, finance, telecommunications and other strategic areas. A key benefit of this new method is that it eliminates the need for laying optical fibres, which is costly and difficult in remote or densely populated areas. The project, titled 'Design and development of photonic technologies for free space QKD,' was sanctioned by the Directorate of Futuristic Technology Management (DFTM), DRDO. The demonstration was led by Professor Bhaskar Kanseri's research group and witnessed by top officials including DRDO DG (MED, COS & CS), Director SAG, Director DFTM, Dean (R&D) IIT Delhi, and other scientists. Congratulating the team, DRDO Chairman Dr Samir V Kamat and IIT Delhi Director Prof Rangan Banerjee called it a significant milestone in India's technological advancement. This is not the first success for the team. In 2022, DRDO and IIT Delhi demonstrated India's first intercity quantum communication link between Vindhyachal and Prayagraj using underground optical fibre. In 2024, they successfully distributed quantum keys over a 100 km spool of telecom-grade optical fibre. These achievements come under DRDO's DIA-CoEs initiative, which has set up 15 Centres of Excellence at leading institutions like IITs and IISc to develop cutting-edge defence technologies.