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⚛️ Quantum Supremacy: IISc Bengaluru Synthesizes 128-Qubit Fault-Tolerant Silicon Quantum Processor

Physicists at the Indian Institute of Science have successfully operated an indigenous 128-qubit superconducting quantum processor operating at 15 millikelvin temperatures.

By Pankhudi Sharma•2026-11-04
4 min read•36,800 reads
Gleaming golden cryogenic chandelier structure of a cutting-edge quantum computer
Photo Courtesy: Centre for Nano Science and Engineering (CeNSE) IIScNews Courtesy: Indian Institute of Science Bengaluru / Department of Science & Tech

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Physicists and nano-engineers at the Indian Institute of Science (IISc) in Bengaluru announced a historic technological breakthrough today with the successful operation of 'Param-Qubit', an indigenous 128-qubit superconducting quantum processor. The achievement marks India's entry into the elite circle of nations possessing sovereign quantum computing manufacturing capabilities.

Overcoming Quantum Decoherence

The core bottleneck in quantum computation has been decoherence—the tendency of delicate quantum superposition states to collapse due to ambient thermal noise. The IISc team engineered specialized tantalum-based superconducting resonators that extended qubit coherence lifetimes past 400 microseconds.

Practical Applications of the 128-Qubit Processor:

From an operational and institutional standpoint, the dimension of Molecular Drug Discovery: marks a critical evolution. Simulates complex molecular enzyme interactions for oncology therapeutics in hours instead of centuries on classical supercomputers. Rather than treating this development as an incremental policy adjustment, senior directors and regulatory authorities have structured long-term implementation schedules designed to maintain national competitiveness and systemic resilience.

Field Verification: Strategic Overview & Technical Implementation
Field Verification: Strategic Overview & Technical ImplementationEditorial Wire

Equally significant is the strategic prioritization of Post-Quantum Cryptography:. Validates next-generation lattice-based cryptographic algorithms designed to secure sovereign financial communications. Furthermore, addressing the foundational necessity of Zero Dependence on Foreign Foundries:, technical audits confirm that Fabricated entirely inside the cleanrooms of the Centre for Nano Science and Engineering (CeNSE). Independent observers emphasize that these structural protocols establish a durable blueprint for sustainable growth, robust governance, and complete operational transparency across the entire sector.

The National Quantum Mission confirmed plans to network the processor with national supercomputing facilities via fiber-optic quantum repeaters.

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