Research Articles

Post-fabrication tuning of circular Bragg grating resonators via atomic layer deposition
J. Kaupp et al.

J. Kaupp et al.
Post-fabrication tuning of circular Bragg grating resonators via atomic layer deposition
Appl. Phys. Lett. 127, 133501 (2025)
DOI: 10.1063/5.0287371

Integrated high-fidelity preparation and analysis of photonic two-qubit states for quantum network nodes
J. C. J. Zatsch et al.

J. C. J. Zatsch et al.
Integrated high-fidelity preparation and analysis of photonic two-qubit states for quantum network nodes
Sci. Rep. 15, 44129 (2025)
DOI: 10.1038/s41598-025-29630-x

Analytical fidelity calculations for photonic linear cluster state generation
R. Prasad et al.

R. Prasad et al.
Analytical fidelity calculations for photonic linear cluster state generation
Nano Convergence 12, 44 (2025)
DOI: 10.1186/s40580-025-00510-4

Multiphoton quantum interference at ultracompact inverse-designed multiport beam splitter
S.-Y. Huang et al.

S.-Y. Huang et al.
Multiphoton quantum interference at ultracompact inverse-designed multiport beam splitter
Optica Quantum 3, 576–582 (2025)
DOI: 10.1364/OPTICAQ.565192

Initialization of neutral and charged exciton spin states in a telecom-emitting quantum dot
G. Peniakov et al.

G. Peniakov et al.
Initialization of neutral and charged exciton spin states in a telecom-emitting quantum dot
Phys. Rev. B 112, 085422 (2025)
DOI: 10.1103/3qh7-b696

Heralding higher-dimensional Bell and Greenberger–Horne–Zeilinger states using multiport splitters
D. Bhatti and S. Barz

D. Bhatti and S. Barz
Heralding higher-dimensional Bell and Greenberger–Horne–Zeilinger states using multiport splitters
New J. Phys. 27, 033006 (2025)
DOI: 10.1088/1367-2630/adb903

Hardware-efficient preparation of architecture-specific graph states on near-term quantum computers
S. Brandhofer et al.

S. Brandhofer et al.
Hardware-efficient preparation of architecture-specific graph states on near-term quantum computers
Sci. Rep. 15, 2095 (2025)
DOI: 10.1038/s41598-024-82715-x

Two‐Photon Interference from an InAs Quantum Dot Emitting in the Telecom C‐Band
J. Kim et al.

J. Kim et al.
Two‐Photon Interference from an InAs Quantum Dot Emitting in the Telecom C‐Band
Advanced Quantum Technologies: e2500069 (2025)
DOI: 10.1002/qute.202500069

Boosted Bell-state measurements for photonic quantum computation
N. Hauser et al.

N. Hauser et al.
Boosted Bell-state measurements for photonic quantum computation
npj Quantum Inf 11, 41 (2025)
DOI: 10.1038/s41534-025-00986-2

Deterministic quantum dot cavity placement using hyperspectral imaging with high spatial accuracy and precision
Q. Buchinger et al.

Q. Buchinger et al.
Deterministic quantum dot cavity placement using hyperspectral imaging with high spatial accuracy and precision
Nano Convergence 12, 36 (2025)
DOI: 10.1186/s40580-025-00501-5

Boosted quantum teleportation
S.E. D'Aurelio et al.

S.E. D’Aurelio et al.
Boosted quantum teleportation
npj Quantum Inf 11, 37 (2025)
DOI: 10.1038/s41534-025-00992-4

Tripartite multiphoton Jaynes-Cummings model: Analytical solution and Wigner nonclassicalities
P. Laha, P.A. Ameen Yasir, and P. van Loock

P. Laha et al.
Tripartite multiphoton Jaynes-Cummings model: Analytical solution and Wigner nonclassicalities
Phys. Rev. A 111, 013710 (2025)
DOI: 10.1103/PhysRevA.111.013710

Optimal shape approximation and writing strategy for integrated photonic waveguides fabricated with variable-shaped electron-beam lithography
K. Edelmann, S. Fasold, M. Greul, E. Linn, I. Stolberg, U. Weidenmüller

K. Edelmann et al.
Optimal shape approximation and writing strategy for integrated photonic waveguides fabricated with variable-shaped electron-beam lithography
Journal of Micro/Nanopatterning, Materials, and Metrology, Vol. 24, Issue 1, 013202 (2025)
DOI: 10.1117/1.JMM.24.1.013202

Resource-efficient high-threshold fault-tolerant quantum computation with weak nonlinear optics
K. Fukui and P. van Loock

K. Fukui et al.
Resource-efficient high-threshold fault-tolerant quantum computation with weak nonlinear optics
qph-arXiv:2412.16536

Revisiting Gaussian genuine entanglement witnesses with modern software
E. Shchukin and P. van Loock

E. Shchukin and P. van Loock
Revisiting Gaussian genuine entanglement witnesses with modern software
qph-arXiv:2412.09757

Multipartite entanglement distribution in Bell-pair networks without Steiner trees and with reduced gate cost
S.S. Chelluri, S. Khatri, and P. van Loock

S.S. Chelluri et al.
Multipartite entanglement distribution in Bell-pair networks without Steiner trees and with reduced gate cost
qph-arXiv:2412.04252

Photonic Quantum Receiver Attaining the Helstrom Bound
A. Warke et al.

A. Warke et al
Photonic Quantum Receiver Attaining the Helstrom Bound
qph-arXiv:2410.21800

Generalized fusions of photonic quantum states using static linear optics
F. Schmidt and P. van Loock.

Generalized fusions of photonic quantum states using static linear optics
F. Schmidt and P. van Loock
qph-arXiv:2410.20261

Implementing arbitrary multimode continuous-variable quantum gates with fixed non-Gaussian states and adaptive linear optics
F. Hanamura et al.

F. Hanamura et al
Implementing arbitrary multimode continuous-variable quantum gates with fixed non-Gaussian states and adaptive linear optics
Phys. Rev. A 110, 022614 (2024)
DOI:10.1103/PhysRevA.110.022614

Logical states for fault-tolerant quantum computation with propagating light
S. Konno et al.

S. Konno et al.
Logical states for fault-tolerant quantum computation with propagating light
Science 383, 289 (2024)
DOI:10.1126/science.adk7560

Genuine non-Gaussian entanglement of light and quantum coherence for an atom from noisy multiphoton spin-boson interactions

P. Laha et al.
Genuine non-Gaussian entanglement of light and quantum coherence for an atom from noisy multiphoton spin-boson interactions
Phys. Rev. Research 6, 033302 (2024)
DOI:10.1103/PhysRevResearch.6.033302

Performance of Rotation-Symmetric Bosonic Codes in a Quantum Repeater Network
P.Z. Li et al.

P.Z. Li et al.
Performance of Rotation-Symmetric Bosonic Codes in a Quantum Repeater Network
Advanced Quantum Technologies 7, 2300252 (2024)
DOI:10.1002/qute.202300252

Polarized and Unpolarized Emission from a Single Emitter in a Bullseye Resonator
Giora Peniakov, Quirin Buchinger, Mohamed Helal, Simon Betzold, Yorick Reum,Michele B. Rota, Giuseppe Ronco, Mattia Beccaceci, Tobias M. Krieger,Saimon F. Covre da Silva, Armando Rastelli, Rinaldo Trotta, Andreas Pfenning,Sven Höfling, and Tobias Huber-Loyola

G. Peniakov et al.
Polarized and Unpolarized Emission from a Single Emitter in a Bullseye Resonator
Laser Photonics Rev 2024, 18, 2300835
DOI:10.1002/lpor.202300835

Conference contribution: Impact of e-beam lithography and data preparation optimization on optical performance of integrated photonic waveguides
M. Greul , K. Edelmann , S. Fasold, J. Hartbaum, E. Linn, I. Stolberg, U. Weidenmueller

SPIE Advanced Lithography (San Jose, USA), 25.2.24 – 29.2.24

Logical states for fault-tolerant quantum computation with propagating light
S. Konno et al.

Shunya Konno et al.
Logical states for fault-tolerant quantum computation with propagating light
Science383,289-293(2024)
DOI:10.1126/science.adk7560

Error-corrected quantum repeaters with GKP qudits
Frank Schmidt, Daniel Miller, and Peter van Loock

Frank Schmidt et al.
Error-corrected quantum repeaters with GKP qudits
arXiv:2303.16034
DOI:10.48550/arXiv.2303.16034

Gottesman-Kitaev-Preskill qubit synthesizer for propagating light
Kan Takase et al.

Takase, K. et al.
Gottesman-Kitaev-Preskill qubit synthesizer for propagating light
npj Quantum Inf 9, 98 (2023)
DOI:10.1038/s41534-023-00772-y

All-optical quantum computing using cubic phase gates
Niklas Budinger, Akira Furusawa, and Peter van Loock

Niklas Budinger et al.
All-optical quantum computing using cubic phase gates
Phys. Rev. Research 6, 023332
DOI:10.1103/PhysRevResearch.6.023332

Deep reinforcement learning for key distribution based on quantum repeaters
Simon D. Reiß and Peter van Loock

Simon D. Reiß and Peter van Loock
Deep reinforcement learning for key distribution based on quantum repeaters
Phys. Rev. A 108, 012406
DOI:10.1103/PhysRevA.108.012406

Experimental anonymous conference key agreement using linear cluster states
Lukas Rückle, Jakob Budde, Jarn de Jong, Frederik Hahn, Anna Pappa, and Stefanie Barz

Lukas Rückle et al.
Experimental anonymous conference key agreement using linear cluster states
Phys. Rev. Research 5, 033222
DOI:10.1103/PhysRevResearch.5.033222

Generating Greenberger-Horne-Zeilinger states using multiport splitters
Daniel Bhatti and Stefanie Barz

Daniel Bhatti and Stefanie Barz
Generating Greenberger-Horne-Zeilinger states using multiport splitters
Phys. Rev. A 107, 033714
DOI:10.1103/PhysRevA.107.033714

Patent application: Method for Generating Non-Classical Light from Classical Light
QC Design

Experimental entanglement generation using multiport beam splitter
Shreya Kumar, Daniel Bhatti, Alex E Jones and Stefanie Barz

Shreya Kumar et al.
Experimental entanglement generation using multiport beam splitter
2023 New J. Phys. 25 063027
DOI:10.1088/1367-2630/acdd1a

Conference contribution: E-Beam Lithography Optimization for High Quality Integrated Photonic Waveguides
K. Edelmann & S. Fasold

Talk at “Beams & more” in Stuttgart, 16.11.2023

2023 roadmap for materials for quantum technologies
Christoph Becher, Weibo Gao, Swastik Kar, Christian D Marciniak, Thomas Monz, John G Bartholomew, Philippe Goldner, Huanqian Loh, Elizabeth Marcellina, Kuan Eng Johnson Goh, Teck Seng Koh, Bent Weber, Zhao Mu, Jeng-Yuan Tsai, Qimin Yan, Tobias Huber-Loyola, Sven Höfling, Samuel Gyger, Stephan Steinhauer and Val Zwiller

Christoph Becher et al.
2023 roadmap for materials for quantum technologies
2023 Mater. Quantum. Technol. 3 012501
DOI:10.1088/2633-4356/aca3f2

Plug-and-Play Fiber-Coupled Quantum Dot Single-Photon Source via Photonic Wire Bonding
Marco De Gregorio, Shangxuan Yu, Donald Witt, Becky Lin, Matthew Mitchell, Łukasz Dusanowski, Christian Schneider, Lukas Chrostowski, Tobias Huber-Loyola, Sven Höfling, Jeff F. Young, Andreas Pfenning

M. De Gregorio et al.
Plug-and-Play Fiber-Coupled Quantum Dot Single-Photon Source via Photonic Wire Bonding
Adv Quantum Technol. 2024, 7, 2300227
DOI:10.1002/qute.202300227

Purcell-Enhanced Single-Photon Emission in the Telecom C-Band
Jochen Kaupp, Yorick Reum, Felix Kohr, Johannes Michl, Quirin Buchinger, Adriana Wolf, Giora Peniakov, Tobias Huber-Loyola, Andreas Pfenning, Sven Höfling

J. Kaupp et al.
Purcell-Enhanced Single-Photon Emission in the Telecom C-Band
Adv Quantum Technol. 2023, 6, 2300242
DOI:10.1002/qute.202300242

Bell-state measurement exceeding 50% success probability with linear optics
M. J. Bayerbach, S. E. D'Aurelio, P. Van Loock, S. Barz

Matthias J. Bayerbach et al.
Bell-state measurement exceeding 50% success probability with linear optics
Sci. Adv.9,eadf4080(2023)
DOI:10.1126/sciadv.adf4080