activity
20072026
most citedLow-threshold topological nanolasers based on second-order corner state

279 citations · 887 across the 37 of their papers we have counts for

collaborators

37 papers

physics.optics2026

Structured Cavity Quantum Electrodynamics

Shunfa Liu, Jiantao Ma, Hanqing Liu +9

A cavity quantum electrodynamics (cQED) system consisting of a confined single photon and a single quantum emitter serves as a fundamental block for quantum optics and photonic qua…

quant-ph2026

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…

quant-ph2026

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…

physics.optics2026

High-performance Sources of Multidimensionally Engineered Quantum Light Based on Monolithic Microcavity-metalens Interfaces

Jiantao Ma, Dong Liu, Shunfa Liu +15

The ultimate non-classic light sources for modern photonic quantum technology require on-demand generation of indistinguishable quantum light with high brightness and flexible engi…

quant-ph2025

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),…

physics.optics2025★ 9 cited

Full Polarization Control of Photons with Evanescent Wave Coupling in the Ultra Subwavelength Gap of Photonic Molecules

Rui Zhu, Chenjiang Qian, Shan Xiao +16

Polarization of photons plays a key role in quantum optics and light-matter interactions, however, it is difficult to control in nanosystems since the eigenstate of a nanophotonic…

quant-ph2025★ 2 cited

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…

quant-ph2024★ 2 cited

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…

quant-ph2024★ 15 cited

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…

quant-ph2024★ 29 cited

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…

quant-ph2024★ 1 cited

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…

quant-ph2024★ 5 cited

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…

quant-ph2024★ 1 cited

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…

quant-ph2023★ 9 cited

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…

physics.optics2023★ 2 cited

Super-resolved snapshot hyperspectral imaging of solid-state quantum emitters for high-throughput integrated quantum technologies

Shunfa Liu, Xueshi Li, Hanqing Liu +8

Solid-state quantum emitters coupled to integrated photonic nanostructures are quintessential for exploring fundamental phenomena in cavity quantum electrodynamics and widely emplo…

physics.optics2023★ 21 cited

Assessing the alignment accuracy of state-of-the-art deterministic fabrication methods for single quantum dot devices

Abdulmalik A. Madigawa, Jan N. Donges, Benedek Gaál +13

The realization of efficient quantum light sources relies on the integration of self-assembled quantum dots (QDs) into photonic nanostructures with high spatial positioning accurac…

quant-ph2023★ 2 cited

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…

quant-ph2023★ 9 cited

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…

cond-mat.mes-hall2023★ 3 cited

Asymmetric Chiral Coupling in a Topological Resonator

Shushu Shi, Xin Xie, Sai Yan +16

Chiral light-matter interactions supported by topological edge modes at the interface of valley photonic crystals provide a robust method to implement the unidirectional spin trans…

cond-mat.mes-hall2023

Controllable Spin-Resolved Photon Emission Enhanced by Slow-Light Mode in Photonic Crystal Waveguides on Chip

Shushu Shi, Shan Xiao, Jingnan Yang +17

We report the slow-light enhanced spin-resolved in-plane emission from a single quantum dot (QD) in a photonic crystal waveguide (PCW). The slow light dispersions in PCWs are desig…

quant-ph2023

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…

quant-ph2022

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…

physics.optics2021★ 74 cited

Tailoring solid-state single-photon sources with stimulated emissions

Yuming Wei, Shunfa Liu, Xueshi Li +12

The coherent interaction of electromagnetic fields with solid-state two-level systems can yield deterministic quantum light sources for photonic quantum technologies. To date, the…

physics.optics2021★ 23 cited

Optimization and robustness of topological corner state in second-order topological photonic crystal

Xin Xie, Jianchen Dang, Sai Yan +10

The second-order topological photonic crystal with 0D corner state provides a new way to investigate cavity quantum electrodynamics and develop topological nanophotonic devices wit…