72 citations · 409 across the 20 of their papers we have counts for
20 papers
Squeezing for dispersive readout of NV magnetometer
A. M. Kozodaev, S. M. Drofa, P. G. Vilyuzhanina +9
Nitrogen vacancy centers in diamond have established themselves as good sensing element for various type of sensors. In particular magnetometers based on diamond impurities are qui…
Amplified quantum non-demolition measurements of optical quadratures using quadratic nonlinearity
D. I. Salykina, V. S. Liamin, P. R. Sharapova +1
Quantum non-demolition (QND) measurement is a special technique that allows to evade quantum back-action. In this paper, we propose a new QND measurement scheme of the optical fiel…
Heisenberg limit in phase measurements: the threshold detection approach
D. I. Salykina, V. S. Liamin, V. L. Gorshenin +2
The ultimate precision of phase estimation is limited by the Heisenberg scaling , where is a numerical prefactor and is the mean number of photons interact…
Increasing quantum speed meter sensitivity using optical spring
L. A. Barinov, F. Ya. Khalili
The double-pass interferometer scheme was proposed in Ref.\,[Light Sci. Appl. {\bf 7}, 11 (2018)] as the method of implementation of the quantum speed meter concept in future laser…
Using non-Gaussian quantum states for detection of a given phase shift
V. L. Gorshenin, F. Ya. Khalili
Injecting a non-Gaussian (Fock or Shrödinger cat) quantum state into the dark port of a two-arm interferometer and a strong classical light into the bright one, it is possible, in…
A new double-pass type of the optical spring
F. Ya. Khalili
In detuned optical cavities, the radiation pressure force acting on the mirrors depends on their displacements. This is equivalent to the rigidity (the optical spring), inserted be…
QND measurements of photon number in monolithic microcavities
S. N. Balybin, A. B. Matsko, F. Ya. Khalili +5
We revisit the idea of quantum nondemolition measurement (QND) of optical quanta via a resonantly enhanced Kerr nonlinearity taking into account quantum back action and show that t…
Quantum noise cancellation in asymmetric speed meters with balanced homodyne readout
T Zhang, E Knyazev, S Steinlechner +17
Sagnac speed meter (SSM) topology is known as an alternative technique to reduce quantum back-action in gravitational-wave interferometers. However, any potential imbalance of the…
Overcoming the SQL in gravitational wave detectors using spin systems with negative effective mass
Farid Khalili, Eugene S. Polzik
Quantum back action (QBA) of a measurement limits the precision of observation of the motion of a free mass. This profound effect dabbed the "Heisenberg microscope" in the early da…
Engineering the Optical Spring via Intra-Cavity Optical-Parametric Amplification
Mikhail Korobko, Farid Ya. Khalili, Roman Schnabel
The 'optical spring' results from dynamical back-action and can be used to improve the sensitivity of cavity-enhanced gravitational-wave detectors. The effect occurs if an oscillat…
Quantum tomography enhanced through parametric amplification
E. Knyazev, K. Yu. Spasibko, M. V. Chekhova +1
Quantum tomography is the standard method of reconstructing the Wigner function of quantum states of light by means of balanced homodyne detection. The reconstruction quality stron…
Speedmeter scheme for gravitational-wave detectors based on EPR quantum entanglement
E. Knyazev, S. Danilishin, S. Hild +1
We propose a new implementation of a quantum speed meter QND measurement scheme. It employs two independent optical readouts of the interferometer test masses, featuring strongly d…
Experimental Demonstration of Negative-Valued Polarization Quasi-Probability Distribution
K. Yu. Spasibko, M. V. Chekhova, F. Ya. Khalili
Polarization quasiprobability distribution defined in the Stokes space shares many important properties with the Wigner function for the position and momentum. Most notably, they b…
Trade-off between quantum and thermal fluctuations in mirror coatings yields improved sensitivity of gravitational-wave interferometers
N. V. Voronchev, S. L. Danilishin, F. Ya. Khalili
We propose a simple way to improve the laser gravitational-wave detectors sensitivity by means of reduction of the number of reflective coating layers of the core optics mirrors. T…
Interferometer readout-noise below the Standard Quantum Limit of a membrane
Tobias Westphal, Daniel Friedrich, Henning Kaufer +7
Here we report on the realization of a Michelson-Sagnac interferometer whose purpose is the precise characterization of the motion of membranes showing significant light transmissi…
Optimal configurations of filter cavity in future gravitational-wave detectors
Farit Ya. Khalili
Sensitivity of future laser interferometric gravitational-wave detectors can be improved using squeezed light with frequency-dependent squeeze angle and/or amplitude, which can be…
Sub-SQL Sensitivity via Optical Rigidity in Advanced LIGO Interferometer with Optical Losses
F. Ya. Khalili, V. I. Lazebny, S. P. Vyatchanin
The ``optical springs'' regime of the signal-recycled configuration of laser interferometric gravitational-wave detectors is analyzed taking in account optical losses in the interf…
Reducing the mirrors coating noise in laser gravitational-wave antennae by means of double mirrors
F. Ya. Khalili
Recent researches show that the fluctuations of the dielectric mirrors coating thickness can introduce a substantial part of the future laser gravitational-wave antennae total nois…
Frequency-dependent rigidity in large-scale interferometric gravitational-wave detectors
F. Ya. Khalili
Electromagnetic rigidity which exists in large-scale optical resonators if pumping frequency is detuned from the eigenfrequency of resonator have sophisticated spectral dependence…
Quantum limits and symphotonic states in free-mass gravitational-wave antennae
Vladimir B. Braginsky, Michael L. Gorodetsky, Farid Ya. Khalili
Quantum mechanics sets severe limits on the sensitivity and required circulating energy in traditional free-mass gravitational-wave antennas. One possible way to avoid these restri…