Nonclassical states of light find applications in enhancing the performance of optical
interferometric experiments, with notable example of gravitational-wave detectors. Still, the …

Quantum fluctuation of light limits the sensitivity of advanced laser interferometric
gravitational-wave detectors. It is one of the principal obstacles on the way towards the next …

The fast progress in improving the sensitivity of the gravitational-wave detectors, we all have
witnessed in the recent years, has propelled the scientific community to the point at which …

The fundamental quantum interferometry bound limits the sensitivity of an interferometer for
a given total rate of photons and for a given decoherence rate inside the measurement …

Interferometry with quantum light is known to provide enhanced precision for estimating a
single phase. However, depending on the parameters involved, the quantum limit for the …

Currently operating laser interferometric gravitational wave detectors are limited by quantum
noise above a few hundred Hertz. Detectors that will come on line in the next decade are …

A paradigm for quantum-enhanced precision metrology is found in optical interferometry,
which is capable of sensing diverse physical quantities through measurement of a phase …

By using a systematic optimization approach, we determine quantum states of light with
definite photon number leading to the best possible precision in optical two-mode …

Quantum metrology promises greater sensitivity for optical phase measurements than could
ever be achieved classically. Here, we present a theory of the phase sensitivity for the …

We address the precision of optical interferometers fed by quantum and semiclassical
Gaussian states involving passive and/or active elements, such as beam splitters …