Nonlinear integrated quantum photonics with AlGaAs

F Baboux, G Moody, S Ducci - Optica, 2023 - opg.optica.org
Integrated photonics provides a powerful approach for develo** compact, stable, and
scalable architectures for the generation, manipulation, and detection of quantum states of …

Quantum and coherent signal transmission on a single-frequency channel via the electro-optic serrodyne technique

P Rübeling, J Heine, R Johanning, M Kues - Science Advances, 2024 - science.org
Fiber-optical networks are well established to accommodate global data traffic via coherent
information transmission. The next generation of telecommunications will require the …

Generation and characterization of ultrabroadband polarization–frequency hyperentangled photons

HH Lu, M Alshowkan, KV Myilswamy, AM Weiner… - Optics Letters, 2023 - opg.optica.org
We generate ultrabroadband photon pairs entangled in both polarization and frequency bins
through an all-waveguided Sagnac source covering the entire optical C-and L-bands (1530 …

Hybrid III-V/Silicon Quantum Photonic Device Generating Broadband Entangled Photon Pairs

J Schuhmann, L Lazzari, M Morassi, A Lemaître… - PRX Quantum, 2024 - APS
The demand for integrated photonic chips combining the generation and manipulation of
quantum states of light is steadily increasing, driven by the need for compact and scalable …

Building a controlled-NOT gate between polarization and frequency

HH Lu, JM Lukens, M Alshowkan, BT Kirby… - Optica …, 2024 - opg.optica.org
By harnessing multiple degrees of freedom (DoFs) within a single photon, controlled
quantum unitaries, such as the two-qubit controlled-NOT (cnot) gate, play a pivotal role in …

Discrete frequency-bin entanglement generation via cascaded second-order nonlinear processes in Sagnac interferometer

J Li, C Yuan, S Shen, Z Zhang, R Zhang, H Li… - Optics Letters, 2023 - opg.optica.org
Discrete frequency-bin entanglement is an essential resource for applications in quantum
information processing. In this Letter, we propose and demonstrate a scheme to generate …

Frequency-bin entanglement-based quantum key distribution

N Tagliavacche, M Borghi, G Guarda… - arxiv preprint arxiv …, 2024 - arxiv.org
Entanglement is an essential ingredient in many quantum communication protocols. In
particular, entanglement can be exploited in quantum key distribution (QKD) to generate two …

On-chip high-dimensional entangled photon sources

T Kaur, D Peace, J Romero - Journal of Optics, 2025 - iopscience.iop.org
High-dimensional quantum entanglement is an important resource for emerging quantum
technologies such as quantum communication and quantum computation. The scalability of …

Teleportation-Based Error Correction Protocol of Time–Frequency Qubit States

N Fabre - Applied Sciences, 2023 - mdpi.com
We present a linear optical protocol for teleporting and correcting both temporal and
frequency errors in two time–frequency qubit states. The first state is the frequency (or time …

Polarization entanglement generation in silicon nitride waveguide-coupled dual microring resonators

Q Zhang, K Wu, AW Poon - Optics Express, 2024 - opg.optica.org
Polarization-entangled photon pair sources exhibiting nonlocal quantum correlations are
crucial to developments of quantum computing, quantum communications, quantum …