Quantum metrology can achieve far better precision than classical metrology, and is one of
the most important applications of quantum technologies in the real world. To attain the …

Quantum metrology has many important applications in science and technology, ranging
from frequency spectroscopy to gravitational wave detection. Quantum mechanics imposes …

We study quantum frequency estimation for N qubits subjected to independent Markovian
noise, via strategies based on time-continuous monitoring of the environment. Both physical …

Optical sensors based on quantum light need to work even in the presence of imperfections.
Here we discuss how to address the presence of noise by measuring multiple parameters at …

Quantum metrology is a promising practical use case for quantum technologies, where
physical quantities can be measured with unprecedented precision. In lieu of quantum error …

Quantum systems can be used to measure various quantities in their environment with high
precision. Often, however, their sensitivity is limited by the decohering effects of this same …

Noise is the greatest obstacle in quantum metrology that limits it achievable precision and
sensitivity. There are many techniques to mitigate the effect of noise, but this can never be …

The sensitivity afforded by quantum sensors is limited by decoherence. Quantum error
correction (QEC) can enhance sensitivity by suppressing decoherence, but it has a side …

The quantum remote sensing (QRS) is a scheme to add security about the measurement
results of a qubit-based sensor. A client delegates a measurement task to a remote server …

Symmetric states of collective angular momentum are good candidates for multi-qubit probe
states in quantum sensors because they are easy to prepare and can be controlled without …