Gaussian conversion protocols for cubic phase state generation

Y Zheng, O Hahn, P Stadler, P Holmvall, F Quijandría… - PRX Quantum, 2021 - APS
Universal quantum computing with continuous variables requires non-Gaussian resources,
in addition to a Gaussian set of operations. A known resource enabling universal quantum …

[HTML][HTML] Surpassing the no-cloning limit with a heralded hybrid linear amplifier for coherent states

JY Haw, J Zhao, J Dias, SM Assad, M Bradshaw… - Nature …, 2016 - nature.com
The no-cloning theorem states that an unknown quantum state cannot be cloned exactly and
deterministically due to the linearity of quantum mechanics. Associated with this theorem is …

Teleportation-based noiseless quantum amplification of coherent states of light

J Fiurášek - Optics Express, 2022 - opg.optica.org
We propose and theoretically analyze a teleportation-based scheme for the high-fidelity
noiseless quantum amplification of coherent states of light. In our approach, the probabilistic …

Demonstration of Einstein-Podolsky-Rosen steering using single-photon path entanglement and displacement-based detection

T Guerreiro, F Monteiro, A Martin, JB Brask, T Vértesi… - Physical review …, 2016 - APS
We demonstrate the violation of an Einstein-Podolsky-Rosen steering inequality developed
for single-photon path entanglement with displacement-based detection. We use a high-rate …

Heralded amplification of photonic qubits

N Bruno, V Pini, A Martin, VB Verma, SW Nam… - Optics express, 2016 - opg.optica.org
We demonstrate postselection free heralded qubit amplification for Time-Bin qubits and
single photon states in an all-fibre, telecom-wavelength, scheme that highlights the …

Heralded amplification of path entangled quantum states

F Monteiro, E Verbanis, VC Vivoli… - Quantum Science …, 2017 - iopscience.iop.org
Device-independent quantum key distribution (DI-QKD) represents one of the most
fascinating challenges in quantum communication, exploiting concepts of fundamental …

Quantum nondemolition gate operations and measurements in real time on fluctuating signals

Y Shiozawa, J Yoshikawa, S Yokoyama, T Kaji… - Physical Review A, 2018 - APS
We demonstrate an optical quantum nondemolition (QND) interaction gate with a bandwidth
of about 100 MHz. Employing this gate, we are able to perform QND measurements in real …

Loop-based subtraction of a single photon from a traveling beam of light

P Marek, J Provazník, R Filip - Optics Express, 2018 - opg.optica.org
Manipulating light by adding and subtracting individual photons is a powerful approach with
a principal drawback: the operations are fundamentally probabilistic and the probability is …

Analysis of continuous-variable quantum teleportation enhanced by measurement-based noiseless quantum amplification

J Fiurášek - Optics Express, 2024 - opg.optica.org
Continuous-variable quantum teleportation enables deterministic teleportation of quantum
states of optical modes. However, the state transfer is imperfect and limited by the amount of …

Multistage quantum swapping of vacuum-one-photon entanglement

LF Qiao, ZQ Jiao, XY Xu, J Gao, ZY Zhang, RJ Ren… - Physical Review A, 2021 - APS
Vacuum-one-photon entanglement can serve as an alternative to many protocols
implemented by two-photon states, and also exhibits its own practical advantages. Quantum …