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86 papers
Sensitivity limits of non-stationary quantum sensors
Farid Ya. Khalili
The concept of the dissipative quantum limit (DQL) was first put forward in 1980s and was analyzed in detail much later in Ref. [Phys. Rev. A 103, 043721 (2021)] for the particular…
Application of optical squeezing to microresonator based optical sensors
Dariya Salykina, Daniil Shakhbaziants, Igor Bilenko +1
High-Q optical microresonators combine low losses and high optical energy concentration in a small effective mode volume, making them an attractive platform for optical sensors. Wh…
Intracavity squeezing for Kerr QND Measurement scheme
Dariya Salykina, Stepan Balybin, Farid Ya. Khalili
In Ref. [Phys. Rev. A 108, 053708], the scheme of quantum non-demolition measurement of optical quanta that uses a resonantly enhanced Kerr nonlinearity in the optical microresonat…
Sensitivity of quantum-enhanced interferometers
Dariya Salykina, Farid Ya. Khalili
We consider various configuration of quantum-enhanced interferometers, both linear (SU(2)) and non-linear (SU(1,1)) ones, as well as hybrid SU(2)/SU(1,1) schemes. Using the unified…
Improving Kerr QND measurement sensitivity via squeezed light
Stepan Balybin, Dariya Salykina, Farid Ya. Khalili
In ref [Phys. Rev. A 106, 013720], the scheme of quantum non-demolition measurement of optical quanta that uses a resonantly enhanced Kerr nonlinearity in optical microresonators w…
Trajectories without quantum uncertainties in composite systems with disparate energy spectra
Emil Zeuthen, Eugene S. Polzik, Farid Ya. Khalili
It is well established that measurement-induced quantum back action (QBA) can be eliminated in composite systems by engineering so-called quantum-mechanics-free subspaces (QMFSs) o…