Progress on chip-based spontaneous four-wave mixing quantum light sources

H Wang, Q Zeng, H Ma, Z Yuan - Advanced Devices & …, 2024 - spj.science.org
Quantum light generated through spontaneous four-wave mixing (SFWM) process in
nonlinear materials, such as entangled photon pairs and single photons, is an important …

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 …

Hertz-rate metropolitan quantum teleportation

S Shen, C Yuan, Z Zhang, H Yu, R Zhang… - Light: Science & …, 2023 - nature.com
Quantum teleportation can transfer an unknown quantum state between distant quantum
nodes, which holds great promise in enabling large-scale quantum networks. To advance …

Telecom-band–integrated multimode photonic quantum memory

X Zhang, B Zhang, S Wei, H Li, J Liao, C Li, G Deng… - Science …, 2023 - science.org
Telecom-band–integrated quantum memory is an elementary building block for developing
quantum networks compatible with fiber communication infrastructures. Toward such a …

Efficient photon-pair generation in layer-poled lithium niobate nanophotonic waveguides

X Shi, SS Mohanraj, V Dhyani, AA Baiju… - Light: Science & …, 2024 - nature.com
Integrated photon-pair sources are crucial for scalable photonic quantum systems. Thin-film
lithium niobate is a promising platform for on-chip photon-pair generation through …

InGaP quantum nanophotonic integrated circuits with 1.5% nonlinearity-to-loss ratio

M Zhao, K Fang - Optica, 2022 - opg.optica.org
Optical nonlinearity plays a pivotal role in quantum information processing using photons,
from heralded single-photon sources and coherent wavelength conversion to long-sought …

Quantum storage of 1650 modes of single photons at telecom wavelength

SH Wei, B Jing, XY Zhang, JY Liao, H Li… - npj Quantum …, 2024 - nature.com
To advance the full potential of quantum networks one should be able to distribute quantum
resources over long distances at appreciable rates. As a consequence, all components in …

Giant nonlinear optical wave mixing in a van der Waals correlated insulator

L Yue, C Liu, S Han, H Hong, Y Wang, Q Liu, J Qi… - Science …, 2024 - science.org
Optical nonlinearities are one of the most fascinating properties of two-dimensional (2D)
materials. While tremendous efforts have been made to find and optimize the second-order …

Bright source of narrowband polarization-entangled photons from a thick type-II ppKTP crystal

Omshankar, V Venkataraman, J Ghosh - Optics Express, 2024 - opg.optica.org
We demonstrate a high brightness (∼ 2.36?×? 10^ 5 pairs/s/mW) polarization-entangled
photon-pair source at 800-nm via spontaneous parametric down-conversion (SPDC) in a 3 …

Electrically Tunable Second Harmonic Generation in Atomically Thin ReS2

J Wang, N Han, ZD Luo, M Zhang, X Chen, Y Liu… - ACS …, 2022 - ACS Publications
Electrical tuning of second-order nonlinearity in optical materials is attractive to strengthen
and expand the functionalities of nonlinear optical technologies, though its implementation …