activity
20162026
most citedHigh-rate intercity quantum key distribution with a semiconductor single-photon source

69 citations · 164 across the 12 of their papers we have counts for

collaborators

14 papers

physics.optics2026

Calibration of systematic distortions in quantum emitter localization microscopy for deterministic nanophotonic fabrication

Chenxi Ma, Maximilian Heller, Timon Handrup +10

Quantum photonic technologies greatly benefit from quantum light emitters with high brightness, indistinguishability, and reliable polarization characteristics. Achieving optimal p…

physics.optics2025

Deterministic Integration of CsPbBr3 Quantum Dots with Plasmonic Ring Microcavities

Pengji Li, Chenxi Ma, Jingzhong Yang +8

Perovskite quantum dots hold great promise for quantum information processing as wavelength-tunable single photon sources operable over a broad temperature range. However, their de…

quant-ph2025★ 1 cited

Ultrastable, low-error dynamic polarization encoding of deterministically generated single photons

Joscha Hanel, Zenghui Jiang, Jipeng Wang +10

The ability to inscribe information on single photons at high speeds is a crucial requirement for quantum applications such as quantum communication and measurement-based photonic…

quant-ph2025★ 3 cited

Time-bin encoded quantum key distribution over 120 km with a telecom quantum dot source

Jipeng Wang, Joscha Hanel, Zenghui Jiang +11

Quantum key distribution (QKD) with deterministic single photon sources has been demonstrated over intercity fiber and free-space channels. The previous implementations relied main…

quant-ph2024

Unveiling the 3D Morphology of Epitaxial GaAs/AlGaAs Quantum Dots

Yiteng Zhang, Lukas Gruenewald, Xin Cao +6

Strain-free GaAs/AlGaAs semiconductor quantum dots (QDs) grown by droplet etching and nanohole infilling (DENI) are highly promising candidates for the on-demand generation of indi…

physics.optics2024

Sub-meV Linewidths in Polarized Low-Temperature Photoluminescence of 2D PbS Nanoplatelets

Pengji Li, Leon Biesterfeld, Lars Klepzig +11

Colloidal semiconductor nanocrystals are promising materials for classical and quantum light sources due to their versatile chemistry and efficient photoluminescence (PL) propertie…

cond-mat.mes-hall2024★ 7 cited

Real-Time Detection and Control of Correlated Charge Tunneling in a Quantum Dot

Johannes C. Bayer, Fredrik Brange, Adrian Schmidt +4

We experimentally demonstrate the real-time detection and control of correlated charge tunneling in a dynamically driven quantum dot. Specifically, we measure the joint distributio…

quant-ph2024★ 16 cited

Circular photonic crystal grating design for charge-tunable quantum light sources in the telecom C-band

Chenxi Ma, Jingzhong Yang, Pengji Li +3

Efficient generation of entangled photon pairs at telecom wavelengths is a key ingredient for long-range quantum networks. While embedding semiconductor quantum dots into hybrid ci…

quant-ph2023★ 69 cited

High-rate intercity quantum key distribution with a semiconductor single-photon source

Jingzhong Yang, Zenghui Jiang, Frederik Benthin +13

Quantum key distribution (QKD) enables the transmission of information that is secure against general attacks by eavesdroppers. The use of on-demand quantum light sources in QKD pr…

quant-ph2023★ 8 cited

A solid-state source of single and entangled photons at diamond SiV-center transitions operating at 80K

Xin Cao, Jingzhong Yang, Tom Fandrich +6

Large-scale quantum networks require the implementation of long-lived quantum memories as stationary nodes interacting with qubits of light. Epitaxially grown quantum dots hold gre…

cond-mat.mes-hall2022

Surface quantum dots with pure, coherent, and blinking-free single photon emission

Xin Cao, Jingzhong Yang, Pengji Li +14

The surface of semiconductor nanostructures has a major impact on their electronic and optical properties. Disorder and defects in the surface layer typically cause degradation of…

quant-ph2021★ 5 cited

Statistical limits for quantum networks with semiconductor entangled photon sources

Jingzhong Yang, Michael Zopf, Pengji Li +9

Semiconductor quantum dots are promising building blocks for quantum communication applications. Although deterministic, efficient, and coherent emission of entangled photons has b…

cond-mat.mtrl-sci2017★ 13 cited

Closing the gap between spatial and spin dynamics of electrons at the metal-to-insulator transition

J. G. Lonnemann, E. P. Rugeramigabo, M. Oestreich +1

We combine extensive precision measurements of the optically detected spin dynamics and magneto-transport measurements in a contiguous set of n-doped bulk GaAs structures in order…

cond-mat.mes-hall2016★ 42 cited

Strong suppression of shot noise in a feedback-controlled single-electron transistor

T. Wagner, P. Strasberg, J. C. Bayer +3

Feedback control of quantum mechanical systems is rapidly attracting attention not only due to fundamental questions about quantum measurements but also because of its novel applic…