279 citations · 887 across the 37 of their papers we have counts for
19 papers · 1 filter
Experimental quantum cryptography with single photons and imperfect devices
Aodhán Corrigan, Koray Kaymazlar, Zhiyao Wang +9
Quantum key distribution (QKD) allows for provably secure key distribution between two trusted parties. Because the security and performance of QKD protocols rely on devices that b…
Engineering energy-time entanglement from resonance fluorescence
Jian Wang, Xiu-Bin Liu, Ziqi Zeng +8
Resonance fluorescence from a coherently driven two-level emitter is a minimal quantum optical field that combines phase coherence with single-photon-level nonlinearity. Here we sh…
Bell Inequality Violation with Vacuum-One-Photon Number Superposition States
Zi-Qi Zeng, Jian Wang, Xiu-Bin Liu +8
Entanglement is a central resource in quantum technologies, and the realization of photonic entanglement necessarily relies on interaction with matter. Resonance fluorescence (RF),…
Two-photon interference between mutually-detuned resonance fluorescence signals scattered off a semiconductor quantum dot
Guoqi Huang, Jian Wang, Ziqi Zeng +9
The radiative linewidth of a two-level emitter (TLE) fundamentally limits the bandwidth available for quantum information processing. Despite its importance, no prior experiment ha…
Single-Photon Advantage in Quantum Cryptography Beyond QKD
Daniel A. Vajner, Koray Kaymazlar, Fenja Drauschke +8
Quantum key distribution (QKD) can be used to establish a secret key between trusted parties. Many practical use-cases in communication networks, however, involve parties who do no…
A Fiber-pigtailed Quantum Dot Device Generating Indistinguishable Photons at GHz Clock-rates
Lucas Rickert, Kinga Żołnacz, Daniel A. Vajner +11
Solid-state quantum light sources based on semiconductor quantum dots (QDs) are increasingly employed in photonic quantum information applications. Especially when moving towards r…
High Purcell-enhancement in quantum-dot hybrid circular Bragg grating cavities for GHz-clockrate generation of indistinguishable photons
Lucas Rickert, Daniel A. Vajner, Martin von Helversen +8
We present Purcell-enhanced () semiconductor InAs quantum dot decay times of ps, enabled by deterministic hybrid circular Bragg gratings (hCBGs). We inve…
Interference between distinguishable photons
Manman Wang, Yanfeng Li, Hanqing Liu +3
Two-photon interference (TPI) lies at the heart of photonic quantum technologies. TPI is generally regarded as quantum interference stemming from the indistinguishability of identi…
Quantum and Classical Two-photon Interference of Single Photons with Ultralong Coherence Time
Manman Wang, Yanfeng Li, Hanqing Liu +5
Two-photon interference (TPI) is a fundamental phenomenon in quantum optics and plays a crucial role in quantum information science and technology. TPI is commonly considered as qu…
Convert laser light into single photons via interference
Yanfeng Li, Manman Wang, Guoqi Huang +11
Laser light possesses perfect coherence, but cannot be attenuated to single photons via linear optics. An elegant route to convert laser light into single photons is based on photo…
Coherence in resonance fluorescence
Xu-Jie Wang, Guoqi Huang, Ming-Yang Li +10
Resonance fluorescence of a two-level emitter displays persistently anti-bunching irrespective of the excitation intensity, but inherits the driving laser's linewidth under weak mo…
Dynamic resonance fluorescence in solid-state cavity quantum electrodynamics
Shunfa Liu, Chris Gustin, Hanqing Liu +7
The coherent interaction between a two-level system and electromagnetic fields serves as a foundation for fundamental quantum physics and modern photonic quantum technology. A prof…
The Mollow triplets under few-photon excitation
Bang Wu, Xu-Jie Wang, Li Liu +6
Resonant excitation is an essential tool in the development of semiconductor quantum dots (QDs) for quantum information processing. One central challenge is to enable a transparent…
Bright Semiconductor Single-Photon Sources Pumped by Heterogeneously Integrated Micropillar lasers with Electrical Injections
Xueshi Li, Shunfa Liu, Yuming Wei +11
The emerging hybrid integrated quantum photonics combines advantages of different functional components into a single chip to meet the stringent requirements for quantum informatio…
Scalable deterministic integration of two quantum dots into an on-chip quantum circuit
Shulun Li, Yuhui Yang, Johannes Schall +9
Integrated quantum photonic circuits (IQPCs) with deterministically integrated quantum emitters are critical elements for scalable quantum information applications and have attract…
Analysis of Emission Dynamics of a Long Lifetime in Single InAs/GaAs Quantum Dots
Junhui Huang, Hao Chen, Zhiyao Zhuo +8
A very long lifetime emission with non-single exponential decay characteristic has been reported for single InAs/GaAs quantum dot (QD) samples, in which there exists a long-lived m…
Optical positioning of single quantum dots in micropillar with >65% extraction efficiency for on-demand quantum light sources
Shun-Fa Liu, Yu-Ming Wei, Rong-Ling Su +9
We report optical positioning single quantum dots (QDs) in planar cavity with an average position uncertainty 20 nm using an optimized two-color photoluminescence imaging techni…
Storage of multiple single-photon pulses emitted from a quantum dot in a solid-state quantum memory
Jian-Shun Tang, Zong-Quan Zhou, Yi-Tao Wang +15
Quantum repeaters are critical components for distributing entanglement over long distances in presence of unavoidable optical losses during transmission. Stimulated by Duan-Lukin-…
Experimental detection of polarization-frequency quantum correlations in a photonic quantum channel by local operations
Jian-Shun Tang, Yi-Tao Wang, Geng Chen +10
The measurement of correlations between different degrees of freedom is an important, but in general extremely difficult task in many applications of quantum mechanics. Here, we re…