Quantum Repeaters using On-demand Photonic Entanglement

Deliverables

Final telecom QD devices

Final and optimized telecom quantum dot devices fabricated

QKD after swapping

Quantum key distribution after a quantum entanglement swapping operation on the photon pairs used.

Final NIR QD devices

Final and optimized near infrared quantum dot devices fabricated

Telecom quantum memory

Telecom quantum memory setup and characterized

Free-space QKD

Free-space quantum key distribution using quantum dots to generate the quantum light used for transmission

Storage in rubidium vapour

Storage of quantum light in rubidium vapour

Bull's eye NIR QDs

Fabrication of Bulls eye near infrared quantum dot device

Bull's eye telecom QDs

Fabrication of Bull's eye telecom quantum dot device

Fiber quantum communication

Perform quantum communication using deployed fiber of the Stockholm fiber network.

Benchmark quantum repeaters

Compare the different quantum repeaters tested in our consortium and conclude on their applicability based on their performance.

Workshop organized

Workshop on quantum repeaters and its building blocks organized

Internet presence and logo

Set up internet homepage quropeteameu and finalize our consortium logo

Final data management plan

Final data management plan for the open research data pilot.

Draft data management plan

Draft data management plan for the open research data pilot and afterwards keep it updated

Publications

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

Author(s): Jingzhong Yang, Zenghui Jiang, Frederik Benthin, Joscha Hanel, Tom Fandrich, Raphael Joos, Stephanie Bauer, Sascha Kolatschek, Ali Hreibi, Eddy Patrick Rugeramigabo, Michael Jetter, Simone Luca Portalupi, Michael Zopf, Peter Michler, Stefan Kück, Fei Ding
Published in: Preprint, 2023
Publisher: Arxiv
DOI: 10.48550/arxiv.2308.15922

Approaching a fully-polarized state of nuclear spins in a semiconductor quantum dot

Author(s): Millington-Hotze, Peter; Dyte, Harry E.; Manna, Santanu; da Silva, Saimon F. Covre; Rastelli, Armando; Chekhovich, Evgeny A.
Published in: Nature communication, Issue 1, 2024
Publisher: Springer
DOI: 10.48550/arxiv.2302.05489

A Single-Photon-compatible Telecom-C-Band Quantum Memory in a Hot Atomic Gas

Author(s): Thomas, S. E.; Sagona-Stophel, S.; Schofield, Z.; Walmsley, I. A.; Ledingham, P. M.
Published in: PRapplied, Issue 2, 2023
Publisher: APS
DOI: 10.1103/physrevapplied.19.l031005

A source of entangled photons based on a cavity-enhanced and strain-tuned GaAs quantum dot

Author(s): Rota, Michele B.; Krieger, Tobias M.; Buchinger, Quirin; Beccaceci, Mattia; Neuwirth, Julia; Huet, Hêlio; Horová, Nikola; Lovicu, Gabriele; Ronco, Giuseppe; da Silva, Saimon F. Covre; Pettinari, Giorgio; Moczała-Dusanowska, Magdalena; Kohlberger, Christoph; Manna, Santanu; Stroj, Sandra; Freund, Julia; Yuan, Xueyong; Schneider, Christian; Ježek, Miroslav; Höfling, Sven; Basset, Francesco Bass
Published in: arxiv, Issue 1, 2024
Publisher: arxiv
DOI: 10.48550/arxiv.2212.12506

Electric field induced tuning of electronic correlation in weakly confining quantum dots

Author(s): Huiying Huang, Diana Csontosová, Santanu Manna, Yongheng Huo, Rinaldo Trotta, Armando Rastelli, Petr Klenovský
Published in: preprint, 2021
Publisher: arXiv

Triggered telecom C-band single-photon source with high brightness, high indistinguishability and sub-GHz spectral linewidth

Author(s): Joos, Raphael; Bauer, Stephanie; Rupp, Christian; Kolatschek, Sascha; Fischer, Wolfgang; Nawrath, Cornelius; Vijayan, Ponraj; Sittig, Robert; Jetter, Michael; Portalupi, Simone L.; Michler, Peter
Published in: Preprint, Issue 1, 2023
Publisher: Arxiv
DOI: 10.48550/arxiv.2310.20647

Beyond the Four-Level Model: Dark and Hot States in Quantum Dots Degrade Photonic Entanglement

Author(s): Barbara Ursula Lehner; Tim Seidelmann; Gabriel Undeutsch; Christian Schimpf; Santanu Manna; Michał Gawełczyk; Saimon Filipe Covre da Silva; Xueyong Yuan; Sandra Stroj; Doris E. Reiter; Vollrath Martin Axt; Armando Rastelli
Published in: Nano Letters, Issue 1, 2023
Publisher: ACS
DOI: 10.1021/acs.nanolett.2c04734

Quantum violation of local causality in urban network with hybrid photonic technologies

Author(s): Carvacho, Gonzalo; Roccia, Emanuele; Valeri, Mauro; Basset, Francesco Basso; Poderini, Davide; Pardo, Claudio; Polino, Emanuele; Carosini, Lorenzo; Rota, Michele B.; Neuwirth, Julia; da Silva, Saimon F. Covre; Rastelli, Armando; Spagnolo, Nicolò; Chaves, Rafael; Trotta, Rinaldo; Sciarrino, Fabio
Published in: Optica, Issue 2, 2022
Publisher: optica
DOI: 10.48550/arxiv.2109.06823

GaAs quantum dots grown by droplet etching epitaxy as quantum light sources

Author(s): Saimon Filipe Covre da Silva, Gabriel Undeutsch, Barbara Lehner, Santanu Manna, Tobias M Krieger, Marcus Reindl, Christian Schimpf, Rinaldo Trotta, Armando Rastelli
Published in: preprint, 2021
Publisher: arXiv

Deterministic Storage and Retrieval of Telecom Quantum Dot Photons Interfaced with an Atomic Quantum Memory

Author(s): Thomas, S. E.; Wagner, L.; Joos, R.; Sittig, R.; Nawrath, C.; Burdekin, P.; Huber-Loyola, T.; Sagona-Stophel, S.; Höfling, S.; Jetter, M.; Michler, P.; Walmsley, I. A.; Portalupi, S. L.; Ledingham, P. M.
Published in: Science Advances, Issue 1, 2024
Publisher: AAAS
DOI: 10.1126/sciadv.adi7346

Coherent Quantum Interconnection between On-Demand Quantum Dot Single Photons and a Resonant Atomic Quantum Memory

Author(s): Cui, Guo-Dong; Schweickert, Lucas; Jöns, Klaus D.; Namazi, Mehdi; Lettner, Thomas; Zeuner, Katharina D.; Montaña, Lara Scavuzzo; da Silva, Saimon Filipe Covre; Reindl, Marcus; Huang, Huiying; Trotta, Rinaldo; Rastelli, Armando; Zwiller, Val; Figueroa, Eden
Published in: arxiv, Issue 1, 2023
Publisher: arxiv
DOI: 10.48550/arxiv.2301.10326

Optically controlled dual-band quantum dot infrared photodetector

Author(s): Stefano Vichi; Sergio Bietti; Francesco Basso Basset; Artur Tuktamyshev; Alexey Fedorov; Stefano Sanguinetti
Published in: Crossref, Issue 1, 2022
Publisher: sage
DOI: 10.1177/18479804221085790

Entanglement-based quantum key distribution with a blinking-free quantum dot operated at a temperature up to 20 K

Author(s): Schimpf, Christian; Manna, Santanu; Da Silva, Saimon F. Covre; Aigner, Maximilian; Rastelli, Armando
Published in: Adv. Photon., Issue 3, 2021
Publisher: SPIE
DOI: 10.1117/1.ap.3.6.065001

Quantum dot technology for quantum repeaters: from entangled photon generation towards the integration with quantum memories

Author(s): Julia Neuwirth, Francesco Basso Basset, Michele B Rota, Emanuele Roccia, Christian Schimpf, Klaus D Jöns, Armando Rastelli and Rinaldo Trotta
Published in: Materials for Quantum Technology, Issue 1, 2021
Publisher: IOPScience
DOI: 10.1088/2633-4356/ac3d14

Growth of telecom C-band In(Ga)As quantum dots for silicon quantum photonics

Author(s): Ponraj Vijayan; Raphael Joos; Marco Werner; Jakob Hirlinger-Alexander; Matthias Seibold; Sergej Vollmer; Robert Sittig; Stephanie Bauer; Fiona Braun; Simone Luca Portalupi; Michael Jetter; Peter Michler
Published in: Materials for Quantum Technology, Vol 4, Iss 1, p 016301 (2024), Issue 1, 2024
Publisher: IOP
DOI: 10.1088/2633-4356/ad2522

Bright Single Photon Emission from Quantum Dots Embedded in a Broadband Planar Optical Antenna

Author(s): Huiying Huang, Santanu Manna, Christian Schimpf, Marcus Reindl, Xueyong Yuan, Yining Zhang, Saimon Filipe Covre da Silva, Armando Rastelli
Published in: Advanced Optical Materials, Issue 9/7, 2021, Page(s) 2001490, ISSN 2195-1071
Publisher: Wiley
DOI: 10.1002/adom.202001490

Quantum cryptography with highly entangled photons from semiconductor quantum dots

Author(s): Christian Schimpf, Marcus Reindl, Daniel Huber, Barbara Lehner, Saimon F. Covre Da Silva, Santanu Manna, Michal Vyvlecka, Philip Walther, Armando Rastelli
Published in: Science Advances, Issue 7/16, 2021, Page(s) eabe8905, ISSN 2375-2548
Publisher: Science Magazine
DOI: 10.1126/sciadv.abe8905

Ultrafast electric control of cavity mediated single-photon and photon-pair generation with semiconductor quantum dots

Author(s): David Bauch, Dirk Heinze, Jens Förstner, Klaus D. Jöns, Stefan Schumacher
Published in: Physical Review B, Issue 104/8, 2021, ISSN 2469-9950
Publisher: APS
DOI: 10.1103/physrevb.104.085308

Preparing narrow velocity distributions for quantum memories in room-temperature alkali-metal vapors

Author(s): D. Main, T. M. Hird, S. Gao, E. Oguz, D. J. Saunders, I. A. Walmsley, P. M. Ledingham
Published in: Physical Review A, Issue 103/4, 2021, ISSN 2469-9926
Publisher: American Physical Society
DOI: 10.1103/physreva.103.043105

Bright Purcell Enhanced Single-Photon Source in the Telecom O-Band Based on a Quantum Dot in a Circular Bragg Grating

Author(s): Sascha Kolatschek, Cornelius Nawrath, Stephanie Bauer, Jiasheng Huang, Julius Fischer, Robert Sittig, Michael Jetter, Simone Luca Portalupi, Peter Michler
Published in: Nano Letters, Issue 21/18, 2021, Page(s) 7740-7745, ISSN 1530-6984
Publisher: American Chemical Society
DOI: 10.1021/acs.nanolett.1c02647

Daylight entanglement-based quantum key distribution with a quantum dot source

Author(s): F Basso Basset; M Valeri; J Neuwirth; E Polino; M B Rota; D Poderini; C Pardo; G Rodari; E Roccia; S F Covre da Silva; G Ronco; N Spagnolo; A Rastelli; G Carvacho; F Sciarrino; R Trotta
Published in: Quantum Science and Technology, Issue 1, 2023, ISSN 2058-9565
Publisher: IOPScience
DOI: 10.1088/2058-9565/acae3d

Fast and efficient demultiplexing of single photons from a quantum dot with resonantly enhanced electro-optic modulators

Author(s): Julian Münzberg; Franz Draxl; Saimon Filipe Covre da Silva; Yusuf Karli; Santanu Manna; Armando Rastelli; Gregor Weihs; Robert Keil
Published in: APL Photonics, Vol 7, Iss 7, Pp 070802-070802-10 (2022), Issue 1, 2022, ISSN 2378-0967
Publisher: AIP Publishing LLC
DOI: 10.1063/5.0091867

Quantum dots as potential sources of strongly entangled photons: Perspectives and challenges for applications in quantum networks

Author(s): Christian Schimpf, Marcus Reindl, Francesco Basso Basset, Klaus D. Jöns, Rinaldo Trotta, Armando Rastelli
Published in: Applied Physics Letters, Issue 118/10, 2021, Page(s) 100502, ISSN 0003-6951
Publisher: American Institute of Physics
DOI: 10.1063/5.0038729

Room temperature atomic frequency comb storage for light

Author(s): D. Main, T. M. Hird, S. Gao, I. A. Walmsley, P. M. Ledingham
Published in: Optics Letters, Issue 46/12, 2021, Page(s) 2960, ISSN 0146-9592
Publisher: Optical Society of America
DOI: 10.1364/ol.426753

Compact chirped fiber Bragg gratings for single-photon generation from quantum dots

Author(s): Vikas Remesh; Ria G. Krämer; René Schwarz; Florian Kappe; Yusuf Karli; Malte Per Siems; Thomas K. Bracht; Saimon Filipe Covre da Silva; Armando Rastelli; Doris E. Reiter; Daniel Richter; Stefan Nolte; Gregor Weihs
Published in: APL Photonics, Issue 1, 2023, ISSN 2378-0967
Publisher: ACS
DOI: 10.1063/5.0164222

Bright Source of Purcell‐Enhanced, Triggered, Single Photons in the Telecom C‐Band

Author(s): Nawrath, Cornelius Joos, Raphael Kolatschek, Sascha Bauer, Stephanie Pruy, Pascal Hornung, Florian Fischer, Julius Huang, Jiasheng Vijayan, Ponraj Sittig, Robert Jetter, Michael Portalupi, Simone Luca Michler, Peter
Published in: Advanced Quantum Technologies, 2023, ISSN 2511-9044
Publisher: Wiley
DOI: 10.1002/qute.202300111

SUPER Scheme in Action: Experimental Demonstration of Red-Detuned Excitation of a Quantum Emitter

Author(s): Yusuf Karli; Florian Kappe; Vikas Remesh; Thomas K. Bracht; Julian Münzberg; Saimon Covre da Silva; Tim Seidelmann; Vollrath Martin Axt; Armando Rastelli; Doris E. Reiter; Gregor Weihs
Published in: Nano Letter, Issue 1, 2022, ISSN 1530-6984
Publisher: American Chemical Society
DOI: 10.1021/acs.nanolett.2c01783

Efficient and versatile toolbox for analysis of time-tagged measurements

Author(s): Zuzeng Lin; Zuzeng Lin; Lucas Schweickert; Samuel Gyger; Klaus D. Jöns; Val Zwiller
Published in: Journal of Instrumentation, Issue 1, 2021, ISSN 1748-0221
Publisher: Institute of Physics
DOI: 10.1088/1748-0221/16/08/t08016

Coherent Dynamics of the Swing-up Excitation Technique

Author(s): Boos, Katarina; Sbresny, Friedrich; Kim, Sang Kyu; Kremser, Malte; Riedl, Hubert; Bopp, Frederik W.; Rauhaus, William; Scaparra, Bianca; Jöns, Klaus D.; Finley, Jonathan J.; Müller, Kai; Hanschke, Lukas
Published in: Crossref, Issue 1, 2023, ISSN 2511-9044
Publisher: Wiley
DOI: 10.1002/qute.202300359

"Effects of random alloy disorder, shape deformation, and substrate misorientation on the exciton lifetime and fine structure splitting of <mml:math xmlns:mml=""http://www.w3.org/1998/Math/MathML""><mml:mi>GaAs</mml:mi><mml:mo>/</mml:mo><mml:msub><mml:mi mathvariant=""normal"">Al</mml:mi><mml:mi>x</mml:mi></mml:msub><mml:msub><mml:mi mathvariant=""normal"">Ga</mml:mi><mml:mrow><mml:mn>1</mml:mn><mml:mo>"

Author(s): Geoffrey Pirard; Francesco Basso Basset; Sergio Bietti; Stefano Sanguinetti; Rinaldo Trotta; Gabriel Bester
Published in: Crossref, Issue 1, 2023, ISSN 2469-9969
Publisher: APS
DOI: 10.1103/physrevb.107.205417

Origin of Antibunching in Resonance Fluorescence

Author(s): Lukas Hanschke, Lucas Schweickert, Juan Camilo López Carreño, Eva Schöll, Katharina D. Zeuner, Thomas Lettner, Eduardo Zubizarreta Casalengua, Marcus Reindl, Saimon Filipe Covre da Silva, Rinaldo Trotta, Jonathan J. Finley, Armando Rastelli, Elena del Valle, Fabrice P. Laussy, Val Zwiller, Kai Müller, Klaus D. Jöns
Published in: Physical Review Letters, Issue 125/17, 2020, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/physrevlett.125.170402

Stimulated Generation of Indistinguishable Single Photons from a Quantum Ladder System

Author(s): Sbresny, Friedrich; Hanschke, Lukas; Schöll, Eva; Rauhaus, William; Scaparra, Bianca; Boos, Katarina; Zubizarreta Casalengua, Eduardo; Riedl, Hubert; del Valle, Elena; Finley, Jonathan J.; Jöns, Klaus D.; Müller, Kai
Published in: Physical Review Letters, Issue 2, 2022, ISSN 1079-7114
Publisher: APS
DOI: 10.1103/physrevlett.128.093603

Highly Indistinguishable Single Photons from Droplet-Etched GaAs Quantum Dots Integrated in Single-Mode Waveguides and Beamsplitters

Author(s): Florian Hornung; Ulrich Pfister; Stephanie Bauer; Dee Rocking Cyrlyson’s; Dongze Wang; Ponraj Vijayan; Ailton J. Garcia; Saimon Filipe Covre da Silva; Michael Jetter; Simone L. Portalupi; Armando Rastelli; Peter Michler
Published in: Nano Letters, Issue 36, 2024, ISSN 1530-6984
Publisher: American Chemical Society
DOI: 10.1021/acs.nanolett.3c04010

Resonance fluorescence of single In(Ga)As quantum dots emitting in the telecom C-band

Author(s): C. Nawrath, H. Vural, J. Fischer, R. Schaber, S. L. Portalupi, M. Jetter, P. Michler
Published in: Applied Physics Letters, Issue 118/24, 2021, Page(s) 244002, ISSN 0003-6951
Publisher: American Institute of Physics
DOI: 10.1063/5.0048695

Nuclear spin diffusion in the central spin system of a GaAs/AlGaAs quantum dot

Author(s): Peter Millington-Hotze; Santanu Manna; Saimon F. Covre da Silva; Armando Rastelli; Evgeny A. Chekhovich
Published in: Nature Communications, Issue 1, 2023, ISSN 2041-1723
Publisher: Nature Publishing Group
DOI: 10.1038/s41467-023-38349-0

Postfabrication Tuning of Circular Bragg Resonators for Enhanced Emitter-Cavity Coupling

Author(s): Tobias M. Krieger; Christian Weidinger; Thomas Oberleitner; Gabriel Undeutsch; Michele B. Rota; Naser Tajik; Maximilian Aigner; Quirin Buchinger; Christian Schimpf; Ailton J. Garcia; Saimon F. Covre da Silva; Sven Höfling; Tobias Huber-Loyola; Rinaldo Trotta; Armando Rastelli
Published in: Nano Letters, Issue 1, 2024, ISSN 2228-5326
Publisher: ACS
DOI: 10.1021/acsphotonics.3c01480

Quantum non-demolition measurement of an electron spin qubit through its low-energy many-body spin environment

Author(s): Dyte, Harry E.; Gillard, George; Manna, Santanu; da Silva, Saimon F. Covre; Rastelli, Armando; Chekhovich, Evgeny A.
Published in: 132, Issue 1, 2024, ISSN 1079-7114
Publisher: APS
DOI: 10.48550/arxiv.2307.00308

Enhancing quantum cryptography with quantum dot single-photon sources

Author(s): Bozzio, Mathieu Vyvlecka, Michal Cosacchi, Michael Nawrath, Cornelius Seidelmann, Tim Loredo, Juan Carlos Portalupi, Simone Luca Axt, Vollrath Martin Michler, Peter Walther, Philip
Published in: npj Quantum Information, 2022, ISSN 2056-6387
Publisher: Springer Nature
DOI: 10.1038/s41534-022-00626-z

Crux of Using the Cascaded Emission of a Three-Level Quantum Ladder System to Generate Indistinguishable Photons

Author(s): Eva Schöll, Lucas Schweickert, Lukas Hanschke, Katharina D. Zeuner, Friedrich Sbresny, Thomas Lettner, Rahul Trivedi, Marcus Reindl, Saimon Filipe Covre da Silva, Rinaldo Trotta, Jonathan J. Finley, Jelena Vučković, Kai Müller, Armando Rastelli, Val Zwiller, Klaus D. Jöns
Published in: Physical Review Letters, Issue 125/23, 2020, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/physrevlett.125.233605

GaAs quantum dots grown by droplet etching epitaxy as quantum light sources

Author(s): Saimon Filipe Covre da Silva; Gabriel Undeutsch; Barbara Lehner; Santanu Manna; Tobias M. Krieger; Marcus Reindl; Christian Schimpf; Rinaldo Trotta; Armando Rastelli
Published in: Appl. Phys. Lett., Issue 1, 2021, ISSN 0003-6951
Publisher: American Institute of Physics
DOI: 10.1063/5.0057070

Thin-film InGaAs metamorphic buffer for telecom C-band InAs quantum dots and optical resonators on GaAs platform

Author(s): Sittig, Robert Nawrath, Cornelius Kolatschek, Sascha Bauer, Stephanie Schaber, Richard Huang, Jiasheng Vijayan, Ponraj Pruy, Pascal Portalupi, Simone Luca Jetter, Michael Michler, Peter
Published in: Nanophotonics, 2022, ISSN 2192-8614
Publisher: De Gruyter
DOI: 10.1515/nanoph-2021-0552

Robust excitation of C-band quantum dots for quantum communication

Author(s): Vyvlecka, Michal Jehle, Lennart Nawrath, Cornelius Giorgino, Francesco Bozzio, Mathieu Sittig, Robert Jetter, Michael Portalupi, Simone L. Michler, Peter Walther, Philip
Published in: Applied Physics Letters, 2023, ISSN 0003-6951
Publisher: American Institute of Physics
DOI: 10.1063/5.0166285

Quantum key distribution with entangled photons generated on demand by a quantum dot

Author(s): Francesco Basso Basset, Mauro Valeri, Emanuele Roccia, Valerio Muredda, Davide Poderini, Julia Neuwirth, Nicolò Spagnolo, Michele B. Rota, Gonzalo Carvacho, Fabio Sciarrino, Rinaldo Trotta
Published in: Science Advances, Issue 7/12, 2021, ISSN 2375-2548
Publisher: Science Magazine
DOI: 10.1126/sciadv.abe6379

Hyperfine interaction limits polarization entanglement of photons from semiconductor quantum dots

Author(s): Schimpf, C; Basset, FB; Aigner, M; Attenender, W; Ginés, L; Undeutsch, G; Reindl, M; Huber, D; Gangloff, D; Chekhovich, EA; Schneider, C; Höfling, S; Predojević, A; Trotta, R; Rastelli, A
Published in: Phys. Rev. B, Issue 1, 2023, ISSN 2469-9969
Publisher: APS
DOI: 10.1103/physrevb.108.l081405

Signatures of the Optical Stark Effect on Entangled Photon Pairs from Resonantly Pumped Quantum Dots

Author(s): F. Basso Basset; M. B. Rota; M. Beccaceci; T. M. Krieger; Q. Buchinger; J. Neuwirth; H. Huet; S. Stroj; S. F. Covre da Silva; G. Ronco; C. Schimpf; S. Höfling; T. Huber-Loyola; A. Rastelli; R. Trotta
Published in: Phys. Rev. Lett., Issue 1, 2023, ISSN 1079-7114
Publisher: APS
DOI: 10.1103/physrevlett.131.166901

Two-Photon Excitation Sets Limit to Entangled Photon Pair Generation from Quantum Emitters

Author(s): T. Seidelmann; C. Schimpf; T. K. Bracht; M. Cosacchi; A. Vagov; A. Rastelli; D. E. Reiter; V. M. Axt
Published in: Crossref, Issue 1, 2022, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/physrevlett.129.193604

Collective excitation of spatio-spectrally distinct quantum dots enabled by chirped pulses

Author(s): Florian Kappe; Yusuf Karli; Thomas K Bracht; Saimon Filipe Covre da Silva; Tim Seidelmann; Vollrath Martin Axt; Armando Rastelli; Gregor Weihs; Doris E Reiter; Vikas Remesh
Published in: Mater. Quantum. Technol., Issue 1, 2023, ISSN 2633-4356
Publisher: IOPScience
DOI: 10.1088/2633-4356/acd7c1

Ideal refocusing of an optically active spin qubit under strong hyperfine interactions

Author(s): Zaporski, Leon; Shofer, Noah; Bodey, Jonathan H.; Manna, Santanu; Gillard, George; Jackson, Daniel M.; Appel, Martin Hayhurst; Schimpf, Christian; da Silva, Saimon Covre; Jarman, John; Delamare, Geoffroy; Park, Gunhee; Haeusler, Urs; Chekhovich, Evgeny A.; Rastelli, Armando; Gangloff, Dorian A.; Atatüre, Mete; Gall, Claire Le
Published in: Nature Nanotechnology, Issue 1, 2023, ISSN 1748-3395
Publisher: Springer
DOI: 10.1038/s41565-022-01282-2

Two-photon excitation with finite pulses unlocks pure dephasing-induced degradation of entangled photons emitted by quantum dots

Author(s): T. Seidelmann; T. K. Bracht; B. U. Lehner; C. Schimpf; M. Cosacchi; M. Cygorek; A. Vagov; A. Rastelli; D. E. Reiter; V. M. Axt
Published in: Phys. Rev. B, Issue 1, 2023, ISSN 2469-9969
Publisher: APS
DOI: 10.1103/physrevb.107.235304

Electric field induced tuning of electronic correlation in weakly confining quantum dots

Author(s): Huang, Huiying; Csontosová, Diana; Manna, Santanu; Huo, Yongheng; Trotta, Rinaldo; Rastelli, Armando; Klenovský, Petr
Published in: Phys. Rev. B, Issue 1, 2021, ISSN 2469-9950
Publisher: APS
DOI: 10.1103/physrevb.104.165401

Gigahertz-bandwidth optical memory in Pr 3+ :Y 2 SiO 5

Author(s): M. Nicolle, J. N. Becker, C. Weinzetl, I. A. Walmsley, P. M. Ledingham
Published in: Optics Letters, Issue 46/12, 2021, Page(s) 2948, ISSN 0146-9592
Publisher: Optical Society of America
DOI: 10.1364/ol.423642

Nonlinear down-conversion in a single quantum dot

Author(s): B. Jonas; D. Heinze; E. Schöll; P. Kallert; T. Langer; S. Krehs; A. Widhalm; K. D. Jöns; D. Reuter; S. Schumacher; A. Zrenner
Published in: Nature Communications, Issue 1, 2022, ISSN 2041-1723
Publisher: Nature Publishing Group
DOI: 10.1038/s41467-022-28993-3

Controlling the Photon Number Coherence of Solid-state Quantum Light Sources for Quantum Cryptography

Author(s): Yusuf Karli; Daniel A. Vajner; Florian Kappe; Paul C. A. Hagen; Lena M. Hansen; René Schwarz; Thomas K. Bracht; Christian Schimpf; Saimon F. Covre da Silva; Philip Walther; Armando Rastelli; Vollrath Martin Axt; Juan C. Loredo; Vikas Remesh; Tobias Heindel; Doris E. Reiter; Gregor Weihs
Published in: npj Quantum Information, Vol 10, Iss 1, Pp 1-9 (2024), Issue 1, 2024, ISSN 2056-6387
Publisher: Springer
DOI: 10.21203/rs.3.rs-3071783/v1

Telecom-band quantum dot technologies for long-distance quantum networks

Author(s): Ying Yu; Shunfa Liu; Chang-Min Lee; Peter Michler; Stephan Reitzenstein; Kartik Srinivasan; Edo Waks; Jin Liu
Published in: Nature Nanotechnology, Issue 1, 2023, ISSN 1748-3395
Publisher: Springer
DOI: 10.1038/s41565-023-01528-7

Strain-Controlled Quantum Dot Fine Structure for Entangled Photon Generation at 1550 nm

Author(s): Lettner, Thomas; Gyger, Samuel; Zeuner, Katharina D.; Schweickert, Lucas; Steinhauer, Stephan; Reuterskiöld Hedlund, Carl; Stroj, Sandra; Rastelli, Armando; Hammar, Mattias; Trotta, Rinaldo; Jöns, Klaus D.; Zwiller, Val
Published in: Nano Letters, Issue 1, 2021, ISSN 2228-5326
Publisher: ACS
DOI: 10.1021/acs.nanolett.1c04024

Multipair-free source of entangled photons in the solid state

Author(s): Julia Neuwirth; Francesco Basso Basset; Michele B. Rota; Jan-Gabriel Hartel; Marc Sartison; Saimon F. Covre da Silva; Klaus D. J??ns; Armando Rastelli; Rinaldo Trotta
Published in: Phys Rev B, Issue 1, 2022, ISSN 2469-9969
Publisher: APS
DOI: 10.1103/physrevb.106.l241402

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