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Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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13 papers · 2 filters
Phase sensitivity of gain-unbalanced nonlinear interferometers
E. Giese, S. Lemieux, M. Manceau +2
The phase uncertainty of an unseeded nonlinear interferometer, where the output of one nonlinear crystal is transmitted to the input of a second crystal that analyzes it, is common…
Exploring Energy-Time Entanglement Using Geometric Phase
Anand Kumar Jha, Mehul Malik, Robert W. Boyd
Using the signal and idler photons produced by parametric downconversion, we report an experimental observation of a violation of the Bell inequality for energy and time based pure…
Noise suppression in inverse weak value based phase detection
Kevin Lyons, John C. Howell, Andrew N. Jordan
We examine the effect of different sources of technical noise on inverse weak value-based precision phase measurements. We find that this type of measurement is similarly robust to…
Simultaneous continuous measurement of non-commuting observables: quantum state correlations
Areeya Chantasri, Juan Atalaya, Shay Hacohen-Gourgy +3
We consider the temporal correlations of the quantum state of a qubit subject to simultaneous continuous measurement of two non-commuting qubit observables. Such qubit state correl…
Quantifying fermionic decoherence in many-body systems
Arnab Kar, Ignacio Franco
Practical measures of electronic decoherence, called distilled purities, that are applicable to many-body systems are introduced. While usual measures of electronic decoherence suc…
Achieving optimal quantum acceleration of frequency estimation using adaptive coherent control
M. Naghiloo, A. N. Jordan, K. W. Murch
Precision measurements of frequency are critical to accurate timekeeping, and are fundamentally limited by quantum measurement uncertainties. While for time-independent quantum Ham…
Linear feedback stabilization of a dispersively monitored qubit
Taylor Lee Patti, Areeya Chantasri, Luis Pedro García-Pintos +2
The state of a continuously monitored qubit evolves stochastically, exhibiting competition between coherent Hamiltonian dynamics and diffusive partial collapse dynamics that follow…
Theory and applications of free-electron vortex states
K. Y. Bliokh, I. P. Ivanov, G. Guzzinati +8
Both classical and quantum waves can form vortices: with helical phase fronts and azimuthal current densities. These features determine the intrinsic orbital angular momentum carri…
Weak-value amplification and optimal parameter estimation in the presence of correlated noise
Josiah Sinclair, Matin Hallaji, Aephraim M. Steinberg +2
We analytically and numerically investigate the performance of weak-value amplification (WVA) and related parameter estimation methods in the presence of temporally correlated nois…
Controlling induced coherence for quantum imaging
Mikhail I. Kolobov, Enno Giese, Samuel Lemieux +2
Induced coherence in parametric down-conversion between two coherently pumped nonlinear crystals that share a common idler mode can be used as an imaging technique. Based on the in…
Group theory, coherent states, and the N-dimensional oscillator
C. R. Hagen
The isotropic harmonic oscillator in N dimensions is shown to have an underlying symmetry group O(2,1)X O(N)which implies a unique result for the energy spectrum of the system. Rai…
Nondestructive Measurement of Orbital Angular Momentum for an Electron Beam
Hugo Larocque, Frédéric Bouchard, Vincenzo Grillo +6
Free electrons with a helical phase front, referred to as "twisted" electrons, possess an orbital angular momentum (OAM) and, hence, a quantized magnetic dipole moment along their…
Ultrasensitive Inverse Weak-Value Tilt Meter
Julián Martínez-Rincón, Christopher A. Mullarkey, Gerardo I. Viza +2
We present an interferometric technique for measuring ultra-small tilts. The information of a tilt in one of the mirrors of a modified Sagnac interferometer is carried by the phase…