Looking at the projective measurement (or strong measurement) as occurring over a finite duration, it can be understood as a sequence of closely spaced weak measurements. But the benefits of error-It is well established that quantum error correction can improve the performance of quantum sensors. A 3-qubit circuit with CNOT-gate and Hadamard-gate. Recently, supported by the established quantum state engineering and control techniques, quantum sensing emerges as one of the most promising near-term applications to achieve quantum advantage and has attracted tremendous attentions 2, 3, 4, 5, 6. Quantum measurement is usually assumed to be an instantaneous process however, all processes in nature take a finite time. correction code to make reliable quantum memory in the presence of errors, such as measurement errors and decoherence.
QUANTUM ERROR CORRECTION AND QUANTUM MEASUREMENT FULL
The large Hilbert space of a quantum system and the quantum superposition principle offer the potential advantages of quantum physics in many applications and laid the foundation of quantum information science 1. Quantum error correction protocols will play a central role in the realisation of quantum computing the choice of error correction code will in uence the full quantum computing stack, from the layout of qubits at the physical level to gate compilation strategies at the software level.
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