Review of entangled coherent states

BC Sanders - Journal of Physics A: Mathematical and theoretical, 2012 - iopscience.iop.org
We review entangled coherent state research since its first implicit use in 1967 to the
present. Entangled coherent states are important to quantum superselection principles …

Electron-photon quantum state heralding using photonic integrated circuits

G Huang, NJ Engelsen, O Kfir, C Ropers… - PRX Quantum, 2023 - APS
Recently, integrated photonic circuits have brought new capabilities to electron microscopy
and been used to demonstrate efficient electron phase modulation and electron-photon …

Propagating quantum microwaves: towards applications in communication and sensing

M Casariego, EZ Cruzeiro, S Gherardini… - Quantum Science …, 2023 - iopscience.iop.org
The field of propagating quantum microwaves is a relatively new area of research that is
receiving increased attention due to its promising technological applications, both in …

Quantum computation by communication

TP Spiller, K Nemoto, SL Braunstein… - New Journal of …, 2006 - iopscience.iop.org
We present here a new approach to scalable quantum computing—a'qubus computer'—
which realizes qubit measurement and quantum gates through interacting qubits with a …

Tuning between photon-number and quadrature measurements with weak-field homodyne detection

GS Thekkadath, DS Phillips, JFF Bulmer, WR Clements… - Physical Review A, 2020 - APS
Variable measurement operators enable the optimization of strategies for testing quantum
properties and the preparation of a range of quantum states. Here, we experimentally …

Optimizing continuous-variable quantum key distribution with phase-shift keying modulation and postselection

F Kanitschar, C Pacher - Physical Review Applied, 2022 - APS
A numerical security proof technique is used to analyze the security of continuous-variable
quantum key distribution (CV-QKD) protocols with phase-shift keying (PSK) modulation …

Wigner-Araki-Yanase theorem for continuous and unbounded conserved observables

Y Kuramochi, H Tajima - Physical review letters, 2023 - APS
The Wigner-Araki-Yanase (WAY) theorem states that additive conservation laws imply the
commutativity of exactly implementable projective measurements and the conserved …

Changing quantum reference frames

MC Palmer, F Girelli, SD Bartlett - Physical Review A, 2014 - APS
We consider the process of changing reference frames in the case where the reference
frames are quantum systems. We find that, as part of this process, decoherence is …

Degradation of a quantum reference frame

SD Bartlett, T Rudolph, RW Spekkens… - New Journal of …, 2006 - iopscience.iop.org
We investigate the degradation of reference frames (RFs), treated as dynamical quantum
systems, and quantify their longevity as a resource for performing tasks in quantum …

Quantum theory of temporally mismatched homodyne measurements with applications to optical-frequency-comb metrology

N Lordi, EJ Tsao, AJ Lind, SA Diddams, J Combes - Physical Review A, 2024 - APS
The fields of precision timekee** and spectroscopy increasingly rely on optical-frequency-
comb interferometry. However, comb-based measurements are not described by existing …