Publications

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Preprints

  • Aniket Patel, Akshay Gaikwad, Tangyou Huang, Anton Frisk Kockum, Tahereh Abad. “Selective and efficient quantum state tomography for multi-qubit systems”.
    arXiv:2503.20979(2025)

  • Akshay Gaikwad, Manuel Sebastian Torres, Shahnawaz Ahmed, Anton Frisk Kockum. “Gradient-descent methods for fast quantum state tomography”.
    arXiv:2503.04526(2025)

  • Christian Križan, Janka Biznárová, Liangyu Chen, Emil Hogedal, Amr Osman, Christopher W. Warren, Sandoko Kosen, Hang-Xi Li, Tahereh Abad, Anuj Aggarwal, Marco Caputo, Jorge Fernández-Pendás, Akshay Gaikwad, Leif Grönberg, Andreas Nylander, Robert Rehammar, Marcus Rommel, Olga I. Yuzephovich, Anton Frisk Kockum, Joonas Govenius, Giovanna Tancredi, Jonas Bylander. “Quantum SWAP gate realized with CZ and iSWAP gates in a superconducting architecture”.
    arXiv:2412.15022(2024)

  • Jiaying Yang, Maryam Khanahmadi, Ingrid Strandberg, Akshay Gaikwad, Claudia Castillo-Moreno, Anton Frisk Kockum, Muhammad Asad Ullah, Göran Johansson, Axel Martin Eriksson, and Simone Gasparinetti. “Deterministic generation of frequency-bin-encoded microwave photons”.
    arXiv:2410.23202 (2024)

  • Gayatri Singh, Akshay Gaikwad, Kavita Dorai. “Experimental decoherence mitigation using a weak measurement-based scheme and the duality quantum algorithm”.
    arXiv:2409.12752 (2024)

  • Akshay Gaikwad. “Novel techniques for efficient quantum state tomography and quantum process tomography and their experimental implementation”.
    arXiv:2401.09941 (2024)

Published articles

  • Jiaying Yang, Ingrid Strandberg, Alejandro Vivas-Viana, Akshay Gaikwad, Claudia Castillo-Moreno, Anton Frisk Kockum, Muhammad Asad Ullah, Carlos Sanchez Munoz, Axel Martin Eriksson, Simone Gasparinetti. “Entanglement of photonic modes from a continuously driven two-level system”.
    npj Quantum Information 11, 69 (2025)

  • Akshay Gaikwad, Omkar Bihani, Arvind and Kavita Dorai. “Neural network assisted quantum state and process tomography using limited data sets”.
    Phys. Rev. A 109, 012402 (2024)

  • Akshay Gaikwad, Gayatri Singh, Kavita Dorai and Arvind. “Direct tomography of quantum states and processes via weak measurements of Pauli spin operators”.
    Eur. Phys. J. D 77: 209 (2023)

  • Akshay Gaikwad, Krishna Shende, Arvind and Kavita Dorai. “Implementing efficient selective quantum process tomography of superconducting quantum gates on IBM quantum experience”.
    Sci. Rep. 12 (1), 1-11 (2022)

  • Akshay Gaikwad, Arvind and Kavita Dorai. “Experimental simulation of open quantum dynamics using Sz-Nagy’s dilation algorithm using NMR”.
    Phys. Rev. A 106, 022424 (2022)

  • Akshay Gaikwad, Arvind and Kavita Dorai. “Efficient characterization of quantum processes from reduced data set via compressed sensing using NMR”.
    Quant. Inf. Proc. 21, (12) (2022)

  • Akshay Gaikwad, Arvind and Kavita Dorai. “True experimental reconstruction of quantum states and processes via convex optimization using NMR”.
    Quant. Inf. Proc. 20, (19) (2021)

  • Akshay Gaikwad, Krishna shende and Kavita Dorai. “Experimental demonstration of optimized quantum process tomography on the IBM quantum experience”.
    Int. J. Quantum Inf. 19 (07), 2040004 (2021)

  • Akshay Gaikwad, Diksha Rehal, Amandeep Singh, Arvind and Kavita Dorai. “Experimental demonstration of selective quantum process tomography on NMR”.
    Phys. Rev. A 97, 022311 (2018)