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Showing 1–4 of 4 results
Advanced filters: Author: Urbasi Sinha Clear advanced filters

  • India recently launched a National Quantum Mission — an ambitious initiative hoping to revolutionise data security, defence strategic communication, banking, energy, environment and health care. Urbasi Sinha, who has worked in quantum science and technologies for over 20 years, welcomes the move.

    • Urbasi Sinha
    Comments & Opinion
    Nature India

  • Bohr’s complementarity principle of wave-particle mutual exclusivity lies at the heart of standard quantum interpretation of any interference experiment. Going beyond Bohr’s complementarity, our experiment jointly detects spatially separated different properties of a single photon within an interferometer while preserving wave-like coherence.

    • Surya Narayan Sahoo
    • Sanchari Chakraborti
    • Urbasi Sinha
    ResearchOpen Access
    Communications Physics
    Volume: 6, P: 1-11

  • Scaling-up quantum key distribution to large distances, although imperative for realizing a globally secure quantum internet, inevitably suffers from polarization fluctuations. This work demonstrates an alternative approach to resource intensive active polarization tracking in mitigating the said challenge, by optimizing measurement bases at the receiver end.

    • Sourav Chatterjee
    • Kaumudibikash Goswami
    • Urbasi Sinha
    ResearchOpen Access
    Communications Physics
    Volume: 6, P: 1-10