activity
20152026
most citedSolid-state ensemble of highly entangled photon sources at rubidium atomic transitions

112 citations · 383 across the 18 of their papers we have counts for

collaborators

20 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.optics2026

Generation of continuous-wave laser light at 148.4 nm using cavity-enhanced second harmonic generation in

Keerthan Subramanian, Hiroki Tanaka, Simon J. Herr +22

The development of a nuclear optical clock based on \textsuperscript{229}Th is expected to influence the next generation of time and frequency standards. At its heart is the need f…

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…

physics.ins-det2025

The QTF-Backbone: Proposal for a Nationwide Optical Fibre Backbone in Germany for Quantum Technology and Time and Frequency Metrology

Tara Cubel Liebisch, Peter Kaufmann, Harald Schnatz +166

The recent breakthroughs in the distribution of quantum information and high-precision time and frequency (T&F) signals over long-haul optical fibre networks have transformative po…

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…

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-hall2023★ 27 cited

Strain control of exciton and trion spin-valley dynamics in monolayer transition metal dichalcogenides

Zhao An, Pedro Soubelet, Yaroslav Zhumagulov +10

The electron-hole exchange interaction is a fundamental mechanism that drives valley depolarization via intervalley exciton hopping in semiconductor multi-valley systems. Here, we…

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

Photoneutralization of charges in GaAs quantum dot based entangled photon emitters

Jingzhong Yang, Tom Fandrich, Frederik Benthin +7

Semiconductor-based emitters of pairwise photonic entanglement are a promising constituent of photonic quantum technologies. They are known for the ability to generate discrete pho…

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…

quant-ph2019★ 86 cited

Entanglement Swapping with Semiconductor-generated Photons

Michael Zopf, Robert Keil, Yan Chen +4

Transferring entangled states between photon pairs is essential for quantum communication technologies. Semiconductor quantum dots are the most promising candidate for generating p…

quant-ph2017★ 22 cited

Frequency Feedback for Two-Photon Interference from Separate Quantum Dots

Michael Zopf, Tobias Macha, Robert Keil +7

We employ active feedback to stabilize the frequency of single photons emitted by two separate quantum dots to an atomic standard. The transmission of a single, rubidium-based Fara…

quant-ph2016★ 112 cited

Solid-state ensemble of highly entangled photon sources at rubidium atomic transitions

Robert Keil, Michael Zopf, Yan Chen +4

Semiconductor InAs/GaAs quantum dots grown by the Stranski-Krastanov method are among the leading candidates for the deterministic generation of polarization entangled photon pairs…

physics.optics2016★ 29 cited

Electric-field-induced energy tuning of on-demand entangled-photon emission from self-assembled quantum dots

Jiaxiang Zhang, Eugenio Zallo, Bianca Höfer +6

The scalability of quantum dot based non-classical light sources relies on the control over their dissimilar emission energies. Electric fields offer a promising route to tune the…

cond-mat.mes-hall2015

Energy-tunable entangled photon sources on a III-V/Silicon chip

Yan Chen, Jiaxiang Zhang, Michael Zopf +4

Many of the envisioned quantum photonic technologies, e.g. a quantum repeater, rely on an energy- (wavelength-) tunable source of polarization entangled photon pairs. The energy tu…