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 …

Quantum key distribution rates from semidefinite programming

M Araújo, M Huber, M Navascués, M Pivoluska… - Quantum, 2023 - quantum-journal.org
Computing the key rate in quantum key distribution (QKD) protocols is a long standing
challenge. Analytical methods are limited to a handful of protocols with highly symmetric …

Overcoming noise limitations in quantum key distribution with quantum privacy amplification

P Sohr, S Ecker, L Bulla, M Bohmann, R Ursin - Physical Review Applied, 2024 - APS
High-quality, distributed quantum entanglement is the distinctive resource for quantum
communication and forms the foundation for the unequaled level of security that can be …

State-independent quantum key distribution

R Kindler, J Handsteiner, J Kysela, K Zhu, B Liu… - Physical Review A, 2024 - APS
We present an adaptive procedure for aligning quantum nonlocality experiments without any
knowledge of the two-qudit state shared by the participating parties. The quantum state …

Time-encoded photonic quantum states: Generation, processing, and applications

H Yu, AO Govorov, HZ Song, Z Wang - Applied Physics Reviews, 2024 - pubs.aip.org
Encoding and processing quantum information in the time-of-arrival of photons offer
significant advantages for quantum information science and technology. These advantages …

Harnessing high-dimensional temporal entanglement using limited interferometric setups

F Kanitschar, A Bergmayr-Mann, M Pivoluska… - Physical Review Applied, 2024 - APS
High-dimensional entanglement has been shown to provide significant advantages in
quantum communication. One of its most promising implementations is available in the time …

Time correlations in atmospheric quantum channels

M Klen, D Vasylyev, W Vogel, AA Semenov - Physical Review A, 2024 - APS
Efficient transfer of quantum information between remote parties is a crucial challenge for
quantum communication over atmospheric channels. Random fluctuations of the channel …

Photonic Entanglement and Polarization Nonclassicality: Two Manifestations, One Nature

L Ares, N Prasannan, E Agudelo, A Luis… - arXiv preprint arXiv …, 2024 - arxiv.org
We demonstrate in theory and experiment the strict equivalence between nonclassical
polarization and the entanglement of indistinguishable photons, thereby unifying these two …

Heralded High-Dimensional Photon-Photon Quantum Gate

ZF Liu, ZC Ren, P Wan, WZ Zhu, ZM Cheng… - arXiv preprint arXiv …, 2024 - arxiv.org
High-dimensional encoding of quantum information holds the potential to greatly increase
the computational power of existing devices by enlarging the accessible state space for fixed …

Overcoming Noise Limitations in QKD with Quantum Privacy Amplification

P Sohr, S Ecker, L Bulla, M Bohmann… - arXiv preprint arXiv …, 2024 - arxiv.org
High-quality, distributed quantum entanglement is the distinctive resource for quantum
communication and forms the foundation for the unequalled level of security that can be …