A Quantum Leap: Unlocking the Power of 64 Qubits

A short video explaining the impact of one of the most cited scientific papers of 2023: Demonstration of quantum volume 64 on a
superconducting quantum computing system.

Read paper here: iopscience.iop.org/article/10.1088/2058-9565/abe519/pdf

This paper reports a significant advancement in superconducting quantum computing: achieving a quantum volume (QV) of 64 on IBM's ibmq_montreal device. QV measures the overall capability of a quantum computer, taking into account factors like qubit number, gate errors, and circuit complexity.
The researchers employed several key techniques to reach this milestone:
Improved Qiskit compiler: Optimizing the way quantum circuits are translated into instructions for the hardware.
Dynamical decoupling: Protecting idle qubits from noise and errors during computation.
Faster two-qubit gates: Implementing a "direct CX" gate that reduces execution time and improves fidelity.
Excited state promoted readout: Enhancing the accuracy of qubit state measurement.
This achievement is a crucial step towards realizing the full potential of quantum computing for tackling real-world problems in various fields, including medicine, materials science, and artificial intelligence.

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