QUANTUM OPTICS & QUANTUM INFORMATION PROCESSING GROUP
  • Experimental generation of asymmetric keys from the parity structure of a two-photon six-qubit entangled state
    Sanchari Chakraborti, Soumya Asokan, Sunita Khoth, Sujai Matta, C. M. Chandrashekar
    arXiv:2610.12264
  • Gate-based emulation of boson sampling using photonic qubits
    A. P. Zalone, S. P. Dinesh, C. M. Chandrashekar
    arXiv:2608.09509
  • Deterministic Quantum Phase Estimation with Linear Circuit Complexity in a Photonic System
    M. Midhuna, Ajay Jayachandran, Kanad Sengupta, Akshai T. Krishnan, C. M. Chandrashekar
    arXiv:2607.13404
  • A Quantum-Walk Representation of Color-Ordered MHV Scattering Amplitudes
    A. Verma, C. M. Chandrashekar
    arXiv:2607.02456
  • Long distance quantum illumination and ranging using polarization entangled photon pairs in a lossy environment
    S Matta, S Asokan, S Chakraborti, M Joshi, R Dalal, C. M. Chandrashekar
    arXiv:2602.08947
  • Heralded Induced-Coherence Interferometry in a Noisy Environment
    L Theerthagiri, B Viswanathan, C. M. Chandrashekar
    arXiv:2511.03176
  • Photonic Simulation of Beyond-Quantum Nonlocal Correlations (eg Popescu-Rohrlich Box) with Non-Signaling Quantum Resources
    K Shukla, A Verma, K Sengupta, S Chakraborti, M Banik, C. M. Chandrashekar
    arXiv:2509.26271
  • Beam-splitter-free, high-rate quantum key distribution inspired by intrinsic quantum mechanical spatial randomness of entangled photons
    AK Nai, GP Sahu, R Gharate, C. M. Chandrashekar, GK Samanta
    arXiv:2509.10231
  • Classical-to-quantum transfer of geometric phase for non-interferometric phase measurement and manipulation of quantum state
    V Kumar, C Kaushik, M Ebrahim-Zadeh, C. M. Chandrashekar, GK Samanta
    arXiv:2505.20108
  • Second-order correlations and purity of unheralded single photons from spontaneous parametric down-conversion
    A. Padhye, K. Muhammed Shafi, C. M. Chandrashekar
    arXiv:2207.06984
  • Bell-inequality in path-entangled single photon and purity test
    K. Muhammed Shafi, R. S. Gayatri, A. Padhye, C. M. Chandrashekar
    arXiv:2112.05039
  • Optimal quantum simulation of open quantum systems
    Pragati Gupta, C. M. Chandrashekar
    arXiv:2012.07540
  • Estimation of one-dimensional discrete-time quantum walk parameters by using machine learning algorithms
    P Rajauria, P Chawla, C. M. Chandrashekar
    arXiv:2007.04572
  • Interference and correlated coherence in disordered and localized quantum walk
    Shivani Singh, C. M. Chandrashekar
    arXiv:1711.06217
  • Entanglement properties of localized states in 1D topological quantum walks
    C. M. Chandrashekar, H. Obuse, Th. Busch
    arXiv:1502.00436
  • Disorder induced localization and enhancement of entanglement in one- and two-dimensional quantum walks
    C. M. Chandrashekar
    arXiv:1212.5984
  • Quantum illumination and estimation of object reflectivity using polarization-entangled photon pairs
    C. M. Chandrashekar, Kanad Sengupta, K. Muhammed Shafi, Soumya Asokan
    Patent No. 554686, 2024, filed on 20 February 2024
  • Quantum lidar using polarization-path entangled single photons
    C. M. Chandrashekar, K. Muhammed Shafi
    Patent No. 554102, 2024, filed on 13 December 2023
  • System for generating high-rate quantum random numbers from path-entangled single photons
    C. M. Chandrashekar, K. Muhammed Shafi, Prateek Chawla, Abhaya S. Hegde, R. S. Gayatri, A. Padhye
    Patent No. 502089, 2024, filed on July 12, 2022