Military Applications of Quantum Technology

Quantum physics had a pivotal role in paving the way for modern technology including semiconductors, lasers, nuclear energy, and modern computers. The global push towards quantum technology has accelerated its development in recent years, leading to an increasing number of applications in the military domain, particularly in the field of quantum communication and sensing, which are increasingly providing tangible results such as quantum key distribution, and quantum position, navigation and timing (PNT) systems. Furthermore, the steadily growing progress in developing practically viable quantum computers is also bound to have major military implications in the near future, both in terms of threats and opportunities.

Under the aegis of its National Quantum Mission, India is making rapid strides in quantum technology, particularly in the field of quantum communication, thanks to pioneering efforts by defence establishments like the DRDO, academic institutions such as IIT and IISC, as well as startups such as QNu Labs. However, in light of the massive investments being poured into the field by China, India will need to keep pace in order to contend with the impending threat this poses to its national security, while simultaneously harnessing quantum technology to solidify its defence foundations in an increasingly technologically dominated future warfare scenario.

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