1.2k citations · 9.5k across the 91 of their papers we have counts for
28 papers · 1 filter
Observing and evading quantum back-action on a kilogram-scale oscillator
Begüm Kabagöz, Eric Oelker, Dhruva Ganapathy +203
Continuous quantum displacement measurements are fundamentally limited by a trade-off between readout imprecision and measurement back-action, constrained by the Heisenberg uncerta…
A Quantum-Enhanced Feedback Oscillator
Hudson A. Loughlin, Daniel M. DeSantis, Nergis Mavalvala +1
Feedback oscillators, such as lasers and masers, serve as time references in modern computing, communication, and measurement. Quantum fluctuations ultimately limit their phase sta…
50-km fiber interferometer for testing gravitational signatures in quantum interference
Haocun Yu, Dorotea Macri, Thomas Morling +10
Quantum mechanics and general relativity are the foundational pillars of modern physics, yet experimental tests that combine the two frameworks remain rare. Measuring optical phase…
Noise-Resilient Quantum Metrology
Hudson A. Loughlin, Melissa A. Guidry, Jacques Ding +7
Quantum metrology seeks to leverage the richness of quantum systems for making better measurements than are possible using only classical resources in order to gain a ``quantum adv…
High-Sensitivity Fiber Interferometer for Gravitational Phase Shift Measurement on Entangled States
Eleonora Polini, Piotr Chruściel, Georgi Dvali +13
In this contribution, we describe the status of our experiment aimed at measuring the gravitationally induced phase shift on path-entangled photons. We use a kilometer-scale fiber…
Quantum Metrology for Gravitational Wave Astronomy
Roman Schnabel, Nergis Mavalvala, David E. McClelland +1
Einstein's General Theory of Relativity predicts that accelerating mass distributions produce gravitational radiation, analogous to electromagnetic radiation from accelerating char…
A Trade-Off Between Path Entanglement and Quantum Sensitivity
Benjamin Lou, Hudson A. Loughlin, Nergis Mavalvala
Entanglement often increases quantum measurement schemes' sensitivity. However, we find that in precision measurements with zero-mean Gaussian states, such as squeezed states, enta…
Conditional Motional Squeezing of an Optomechanical Oscillator Approaching the Quantum Regime
Benjamin B. Lane, Junxin Chen, Ronald E. Pagano +5
Squeezed mechanical states are a highly coveted resource for quantum-enhanced sensing and serve as a compelling platform for probing the interplay between gravity and quantum mecha…
Causal State Estimation and the Heisenberg Uncertainty Principle
Junxin Chen, Benjamin B. Lane, Su Direkci +5
The observables of a noisy quantum system can be estimated by appropriately filtering the records of their continuous measurement. Such filtering is relevant for state estimation a…
A Novel Modulation Scheme for Homodyne Detection Control
Danial Shadmany, Benjamin Lane, Vivishek Sudhir +1
Controlling the quadrature measured by a homodyne detector is a universal task in continuous-variable quantum optics. However, deriving an error signal that is linear across theent…
Approaching the motional ground state of a 10 kg object
Chris Whittle, Evan D. Hall, Sheila Dwyer +197
The motion of a mechanical object -- even a human-sized object -- should be governed by the rules of quantum mechanics. Coaxing them into a quantum state is, however, difficult: th…
Quantum correlations between the light and kilogram-mass mirrors of LIGO
Haocun Yu, L. McCuller, M. Tse +196
Measurement of minuscule forces and displacements with ever greater precision encounters a limit imposed by a pillar of quantum mechanics: the Heisenberg uncertainty principle. A l…
Room temperature optomechanical squeezing
Nancy Aggarwal, Torrey Cullen, Jonathan Cripe +7
The radiation-pressure driven interaction of a coherent light field with a mechanical oscillator induces correlations between the amplitude and phase quadratures of the light. Thes…
Observation of a room-temperature oscillator's motion dominated by quantum fluctuations over a broad audio-frequency band
Jonathan Cripe, Nancy Aggarwal, Robert Lanza +7
We report on the broadband measurement of quantum radiation pressure noise (QRPN) in an optomechanical cavity at room temperature over a broad range of frequencies relevant to grav…
Radiation-Pressure-Mediated Control of an Optomechanical Cavity
Jonathan Cripe, Nancy Aggarwal, Robinjeet Singh +7
We describe and demonstrate a method to control a detuned movable-mirror Fabry-Perot cavity using radiation pressure in the presence of a strong optical spring. At frequencies belo…
Gravitationally induced phase shift on a single photon
Christopher Hilweg, Francesco Massa, Denis Martynov +3
The effect of the Earth's gravitational potential on a quantum wave function has only been observed for massive particles. In this paper we present a scheme to measure a gravitatio…
Audio-band frequency-dependent squeezing
Eric Oelker, Tomoki Isogai, John Miller +4
Quantum vacuum fluctuations impose strict limits on precision displacement measurements, those of interferometric gravitational-wave detectors among them. Introducing squeezed stat…
Impact of backscattered light in a squeezing-enhanced interferometric gravitational-wave detector
S. S. Y. Chua, S. Dwyer, L. Barsotti +20
Squeezed states of light have been recently used to improve the sensitivity of laser interferometric gravitational-wave detectors beyond the quantum limit. To completely establish…
Creation of a quantum oscillator by classical control
Stefan Danilishin, Helge Müller-Ebhardt, Henning Rehbein +7
As a pure quantum state is being approached via linear feedback, and the occupation number approaches and eventually goes below unity, optimal control becomes crucial. We obtain th…
A route to observing ponderomotive entanglement with optically trapped mirrors
Christopher Wipf, Thomas Corbitt, Yanbei Chen +1
The radiation pressure of two detuned laser beams can create a stable trap for a suspended cavity mirror; here it is shown that such a configuration entangles the output light fiel…
A Quantum-Enhanced Prototype Gravitational-Wave Detector
Keisuke Goda, Osamu Miyakawa, Eugeniy E. Mikhailov +7
The quantum nature of the electromagnetic field imposes a fundamental limit on the sensitivity of optical precision measurements such as spectroscopy, microscopy, and interferometr…
Optical dilution and feedback cooling of a gram-scale oscillator to 6.9 mK
Thomas Corbitt, Christopher Wipf, Timothy Bodiya +5
We report on use of a radiation pressure induced restoring force, the optical spring effect, to optically dilute the mechanical damping of a 1 gram suspended mirror, which is then…
Generation of a stable low-frequency squeezed vacuum field with periodically-poled KTiOPO at 1064 nm
Keisuke Goda, Eugeniy E. Mikhailov, Osamu Miyakawa +4
We report on the generation of a stable continuous-wave low-frequency squeezed vacuum field with a squeezing level of dB at 1064 nm, the wavelength at which laser inter…
An all-optical trap for a gram-scale mirror
T. Corbitt, Y. Chen, H. Mueller-Ebhardt +7
We report on a stable optical trap suitable for a macroscopic mirror, wherein the dynamics of the mirror are fully dominated by radiation pressure. The technique employs two freque…