activity
20122026
most citedDirect observation of nanofabrication influence on the optical properties of single self-assembled InAs/GaAs quantum dots

115 citations · 256 across the 18 of their papers we have counts for

collaborators

18 papers

physics.optics2026

A photonic integrated comb engine for ultracold quantum gases

Wei Sun, Xiaoying Yan, Jinbao Long +18

Cold atoms underpin quantum sensing, simulation and computation, but their coherent control demands highly stable optical fields whose generation, referencing and power scaling rem…

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…

physics.optics2024

High power GaSb-based distributed feedback laser with laterally coupled dielectric gratings at 1.95μm

Zhengqing Ding, Juntian Cao, Kun Zhan +7

Traditional Distributed Feedback (DFB) or Distributed Bragg Reflector (DBR) lasers typically utilize buried gratings as frequency-selective optical feedback mechanisms. However, th…

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…

cond-mat.mes-hall2017★ 115 cited

Direct observation of nanofabrication influence on the optical properties of single self-assembled InAs/GaAs quantum dots

Jin Liu, Kumarasiri Konthasinghe, Marcelo Davanco +11

Single self-assembled InAs/GaAs quantum dots are a promising solid-state quantum technology, with which vacuum Rabi splitting, single-photon-level nonlinearities, and bright, pure,…

cond-mat.mes-hall2012★ 68 cited

Coherent versus Incoherent Light Scattering from a Quantum Dot

K. Konthasinghe, J. Walker, M. Peiris +8

We analyze the light scattered by a single InAs quantum dot interacting with a resonant continuous-wave laser. High resolution spectra reveal clear distinctions between coherent an…