STL and QNu Labs collaborate to advance quantum communications over optical fibre
STL and QNu Labs collaborate to advance research in quantum communications over optical fibre, aiming to develop secure, future-ready networks and strengthen India's position in quantum technology.
The partnership is a strategic move into a high-growth, critical technology area, offering significant long-term potential for STL. While it is an R&D collaboration via an MoU, the immediate financial or operational impact is not expected to be high, but it establishes a strong foundation for future growth and innovation.
The collaboration with QNu Labs positions STL in the rapidly growing and strategically important quantum communications sector. The successful demonstration of QKD over STL's fibre and the stated goals of developing future-ready, secure networks indicate strong potential for technological advancement and market leadership.
* Sterlite Technologies Limited (STL) signed a Memorandum of Understanding (MoU) with QNu Labs Pvt. Ltd. on October 9, 2025. * The collaboration aims to strengthen R&D capabilities in Quantum Communications over Optical Fibre transmission. * QNu Labs, incubated at IIT Madras Research Park and backed by the National Quantum Mission (DST, Govt. of India), is India's pioneering end-to-end quantum cybersecurity company. * India's quantum-communication sector is projected to grow to approximately USD $139.8 million (₹1,164 crore) by 2030, with a compound annual growth rate of approximately 34.6%. * The National Quantum Mission has an outlay of approximately ₹6,000 crore to build quantum-secure systems by 2031. * STL has demonstrated Multi-Core Fibre (MCF) technology, an enabler for Quantum Communications, with a complete ecosystem of fibres, cables, and termination solutions. * QNu Labs successfully demonstrated its Quantum Key Distribution (QKD) system over STL's 4-core Multi-Core Fiber (MCF), achieving secure key exchange across 170 km alongside 800 Gbps of classical data transmission, and over 150 km with 1.8 Tbps of classical traffic. * This collaboration will accelerate STL's research in quantum-secure communication, combining its advanced optical fibre transmission technologies with QNu's expertise in QKD, hybrid quantum cybersecurity, and quantum cryptography solutions. * The companies aim to develop scalable, future-ready architectures to enable India's leadership in global quantum networks and explore, evaluate, demonstrate, and prepare deployments of quantum-safe communication networks and fibre connectivity solutions in India. * Sunil Gupta, CEO, QNu Labs, stated that the partnership will help make India a quantum-safe nation and fortify its digital sovereignty. * Dr. Badri Gomatam, CTO, STL, highlighted that the collaboration will build secure, future-ready networks that serve India's needs and set global benchmarks.
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Sterlite Technologies Limited filed this with the NSE as a statutory disclosure, categorised under strategic partnerships. It is a primary document, not a recommendation, and the desk marks it medium impact: worth reading, rarely worth acting on by itself.
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