High speed imaging of spectral-temporal correlations in Hong-Ou-Mandel interference

Y Zhang, D England, A Nomerotski, B Sussman - Optics Express, 2021 - opg.optica.org
In this work we demonstrate spectral-temporal correlation measurements of the Hong-Ou-
Mandel (HOM) interference effect with the use of a spectrometer based on a photon …

Measuring the biphoton temporal wave function with polarization-dependent and time-resolved two-photon interference

P Chen, C Shu, X Guo, MMT Loy, S Du - Physical review letters, 2015 - APS
We propose and demonstrate an approach to measuring the biphoton temporal wave
function with polarization-dependent and time-resolved two-photon interference. Through …

Review of Biphoton Sources Based on the Double‐Λ Λ Spontaneous Four‐Wave Mixing Process

JM Chen, T Peters, PH Hsieh… - Advanced Quantum …, 2024 - Wiley Online Library
This review article focuses on biphoton sources based on the double‐Λ Λ spontaneous four‐
wave mixing (SFWM) process in laser‐cooled as well as room‐temperature or hot atomic …

Multipartite entanglement generation with high-order non-Hermitian exceptional points from dressing-controlled atomic nonlinearity

J Yan, L Chen, Z Zheng, J Wei, Y Jiang, W Zhao, F Li… - Optics …, 2023 - opg.optica.org
Multipartite entanglement has emerged as a valuable quantum resource for constructing
large-scale quantum networks. However, the presence of non-Hermitian features induced by …

Spatial susceptibility modulation and controlled unidirectional reflection amplification via four-wave mixing

Y Geng, X Pei, G Li, X Lin, H Zhang, D Yan, H Yang - Optics Express, 2023 - opg.optica.org
Control of unidirectional light propagation is of paramount importantance to optical signal
processing and optical communication. Especially, the amplified optical signal can isolate …

Optical switching and bistability in four-level atomic systems

P Kumar, S Dasgupta - Physical Review A, 2016 - APS
We explore the coherent control of nonlinear absorption of intense laser fields in four-level
atomic systems. For instance, in a four-level ladder system, a coupling field creates …

Simultaneous excitation of two noninteracting atoms with time-frequency correlated photon pairs in a superconducting circuit

W Ren, W Liu, C Song, H Li, Q Guo, Z Wang… - Physical Review Letters, 2020 - APS
We report the first observation of simultaneous excitation of two noninteracting atoms by a
pair of time-frequency correlated photons in a superconducting circuit. The strong coupling …

Polarization-selective four-wave mixing in a degenerate multi-level system

J Baek, S Park, MH Lee, HR Noh, G Moon - Scientific Reports, 2024 - nature.com
This paper describes the first observation of polarization-selective four-wave mixing signals
in conventional coupling-probe spectroscopy, specifically, saturation absorption …

Singular spectrum analysis of two-photon interference from distinct quantum emitters

R Duquennoy, M Colautti, P Lombardi, V Berardi… - Physical Review …, 2023 - APS
Two-photon interference underlies the functioning of many quantum photonics devices. It
also serves as the prominent tool for testing the indistinguishability of distinct photons …

Symmetry Protected Two-Photon Coherence Time

X Lai, C Li, A Zanders, Y Mei, S Du - Physical Review Letters, 2024 - APS
We report the observation of symmetry protected two-photon coherence time of biphotons
generated from backward spontaneous four-wave mixing in laser-cooled Rb 87 atoms …