Quantum interferometers: principles and applications

RB Jin, ZQ Zeng, C You, C Yuan - Progress in Quantum Electronics, 2024 - Elsevier
Interference, which refers to the phenomenon associated with the superposition of waves,
has played a crucial role in the advancement of physics and finds a wide range of …

Quantifying -Photon Indistinguishability with a Cyclic Integrated Interferometer

M Pont, R Albiero, SE Thomas, N Spagnolo… - Physical Review X, 2022 - APS
We report on a universal method to measure the genuine indistinguishability of n photons—
a crucial parameter that determines the accuracy of optical quantum computing. Our …

Measuring relational information between quantum states, and applications

M Oszmaniec, DJ Brod, EF Galvão - New Journal of Physics, 2024 - iopscience.iop.org
The geometrical arrangement of a set of quantum states can be completely characterized
using relational information only. This information is encoded in the pairwise state overlaps …

Many-body interference at the onset of chaos

E Brunner, L Pausch, EG Carnio, G Dufour… - Physical Review Letters, 2023 - APS
We unveil the signature of many-body interference across dynamical regimes of the Bose-
Hubbard model. Increasing the particles' indistinguishability enhances the temporal …

On-chip quantum information processing with distinguishable photons

P Yard, AE Jones, S Paesani, A Maïnos, JFF Bulmer… - Physical Review Letters, 2024 - APS
Multiphoton interference is at the heart of photonic quantum technologies. Arrays of
integrated cavities can support bright sources of single photons with high purity and small …

Remote entanglement distribution in a quantum network via multinode indistinguishability of photons

Y Wang, ZY Hao, ZH Liu, K Sun, JS Xu, CF Li, GC Guo… - Physical Review A, 2022 - APS
Quantum networking relies on entanglement distribution between distant nodes, typically
realized by swapping procedures. However, entanglement swapping is a demanding task in …

Boson bunching is not maximized by indistinguishable particles

B Seron, L Novo, NJ Cerf - Nature Photonics, 2023 - nature.com
Boson bunching is among the most remarkable features of quantum physics. A celebrated
example in optics is the Hong–Ou–Mandel effect, where the bunching of two photons arises …

Reducing g(2)(0) of a parametric down-conversion source via photon-number resolution with superconducting nanowire detectors

S Sempere-Llagostera, GS Thekkadath, RB Patel… - Optics …, 2022 - opg.optica.org
Multiphoton contributions pose a significant challenge for the realisation of heralded single-
photon sources (HSPS) based on nonlinear processes. In this work, we improve the quality …

[HTML][HTML] Fast and efficient demultiplexing of single photons from a quantum dot with resonantly enhanced electro-optic modulators

J Münzberg, F Draxl, SF Covre da Silva, Y Karli… - APL Photonics, 2022 - pubs.aip.org
We report on a multi-photon source based on active demultiplexing of single photons
emitted from a resonantly excited GaAs quantum dot. Active temporal-to-spatial mode …

Entanglement-induced collective many-body interference

T Faleo, E Brunner, JW Webb, A Pickston, J Ho… - Science …, 2024 - science.org
Entanglement and interference are both hallmark effects of quantum physics. Particularly
rich dynamics arise when multiple (at least partially) indistinguishable particles are …