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SPQRel SIGNED

Entanglement distribution via Semiconductor-Piezoelectric Quantum-Dot Relays

Total Cost €

EC-Contrib. €

Partnership

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Outcomes and
results

SPQRel project word cloud

Explore the words cloud of the SPQRel project. It provides you a very rough idea of what is the project "SPQRel" about.

electronic limit performed remote parties combined hybrid relay science qds breakthrough exploited arguably previously source efficiency first single pi relays tools entanglement network attractive atomic triggered area lack class mature solution piezoelectric unprecedented arbitrary engineering revolution epitaxial grasped construction distances quantum mainly he strain conceived wavelength indistinguishable protocols inaccessible qubits optics attempt grounds speed pioneering reshape polarization diodes qd solid resides thin films combine distribute semiconductor dots quality conventional structure tunable scalable photons vapours electrically external interconnected teleport entangled capability distant generate communication technologies warm will impossible

Project "SPQRel" data sheet

The following table provides information about the project.

Coordinator	UNIVERSITA DEGLI STUDI DI ROMA LA SAPIENZA Organization address address: Piazzale Aldo Moro 5 city: ROMA postcode: 185 website: www.uniroma1.it contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.
Coordinator Country	Italy [IT]
Project website	https://trotta-nanophotonics.weebly.com/
Total cost	1˙499˙962 €
EC max contribution	1˙499˙962 € (100%)
Programme	1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
Code Call	ERC-2015-STG
Funding Scheme	ERC-STG
Starting year	2016
Duration (year-month-day)	from 2016-03-01 to 2021-02-28

Partnership

Take a look of project's partnership.

#	participants	country	role	EC contrib. [€]
1	UNIVERSITA DEGLI STUDI DI ROMA LA SAPIENZA UNIVERSITA DEGLI STUDI DI ROMA LA SAPIENZA Organization address address: Piazzale Aldo Moro 5 city: ROMA postcode: 185 website: www.uniroma1.it contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	IT (ROMA)	coordinator	997˙162.00
2	UNIVERSITAT LINZ UNIVERSITAT LINZ Organization address address: ALTENBERGER STRASSE 69 city: LINZ postcode: 4040 website: www.jku.at contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	AT (LINZ)	participant	502˙799.00

Map

Project objective

The development of scalable quantum devices that generate and distribute quantum entanglement over distant parties will bring about a revolution in communication science and technology. Epitaxial quantum dots (QDs) embedded in conventional diodes are arguably the most attractive quantum devices, since they combine the capability of QDs to deliver triggered and high-quality entangled photons with the tools of the mature semiconductor technology. However, it is at present impossible to use remote QDs for the distribution of entangled photons over large distances, mainly due to the lack of control over their electronic structure. Recently, the PI has grasped that the solution to this problem resides in hybrid technologies. He has conceived and developed a novel class of semiconductor-piezoelectric quantum devices where different external fields are combined to reshape the electronic structure of any arbitrary QD so that single and polarization-entangled photons can be generated with unprecedented quality, efficiency, and speed, a major breakthrough for solid-state-based quantum communication. In this project the PI will make the next pioneering step and develop the hybrid technology to the limit where advanced quantum communication protocols previously inaccessible to QDs can now be performed. The objective of the proposal is mainly to i) develop the first electrically-controlled wavelength-tunable source of indistinguishable and entangled photons, which can be exploited to ii) teleport entanglement over two distant QD-based qubits (the quantum relay) and to iii) attempt the construction of a quantum network where entangled photons from remote quantum relays are interconnected using warm atomic vapours. The new hybrid technology that will be developed in this project to achieve i) will open new grounds in research fields well beyond quantum optics and quantum communication, and in particular the whole research area of strain-engineering of semiconductor thin-films.

Publications

List of publications.
year	authors and title	journal	last update
2019	Giovanni Piredda, Sandra Stroj, Dorian Ziss, Julian Stangl, Rinaldo Trotta, Javier MartÃn-SÃ¡nchez, Armando Rastelli Micro-machining of PMN-PT Crystals with Ultrashort Laser Pulses published pages: , ISSN: 0947-8396, DOI: 10.1007/s00339-019-2460-9	Applied Physics A 125/3	2019-09-04
2019	Eva SchÃ¶ll, Lukas Hanschke, Lucas Schweickert, Katharina D. Zeuner, Marcus Reindl, Saimon Filipe Covre da Silva, Thomas Lettner, Rinaldo Trotta, Jonathan J. Finley, Kai MÃ¼ller, Armando Rastelli, Val Zwiller, Klaus D. JÃ¶ns Resonance Fluorescence of GaAs Quantum Dots with Near-Unity Photon Indistinguishability published pages: 2404-2410, ISSN: 1530-6984, DOI: 10.1021/acs.nanolett.8b05132	Nano Letters 19/4	2019-09-04
2018	Marcus Reindl, Daniel Huber, Christian Schimpf, Saimon F. Covre da Silva, Michele B. Rota, Huiying Huang, Val Zwiller, Klaus D. JÃ¶ns, Armando Rastelli, Rinaldo Trotta All-photonic quantum teleportation using on-demand solid-state quantum emitters published pages: eaau1255, ISSN: 2375-2548, DOI: 10.1126/sciadv.aau1255	Science Advances 4/12	2019-09-04
2019	H. M. G. A. Tholen, J. S. Wildmann, A. Rastelli, R. Trotta, C. E. Pryor, E. Zallo, O. G. Schmidt, P. M. Koenraad, A. Yu. Silov Active tuning of the g -tensor in InGaAs/GaAs quantum dots via strain published pages: , ISSN: 2469-9950, DOI: 10.1103/physrevb.99.195305	Physical Review B 99/19	2019-09-04
2018	Petr KlenovskÃ½, Petr Steindl, Johannes Aberl, Eugenio Zallo, Rinaldo Trotta, Armando Rastelli, Thomas Fromherz Effect of second-order piezoelectricity on the excitonic structure of stress-tuned In(Ga)As/GaAs quantum dots published pages: 245314, ISSN: 2469-9969, DOI: 10.1103/PhysRevB.97.245314	Physical Review B 97/24	2019-05-28
2018	Javier MartÃn-SÃ¡nchez, Rinaldo Trotta, Antonio Mariscal, RosalÃa Serna, Giovanni Piredda, Sandra Stroj, Johannes Edlinger, Christian Schimpf, Johannes Aberl, Thomas Lettner, Johannes Wildmann, Huiying Huang, Xueyong Yuan, Dorian Ziss, Julian Stangl, Armando Rastelli Strain-tuning of the optical properties of semiconductor nanomaterials by integration onto piezoelectric actuators published pages: 13001, ISSN: 0268-1242, DOI: 10.1088/1361-6641/aa9b53	Semiconductor Science and Technology 33/1	2019-05-28
2017	Francesco Basso Basset, Sergio Bietti, Marcus Reindl, Luca Esposito, Alexey Fedorov, Daniel Huber, Armando Rastelli, Emiliano Bonera, Rinaldo Trotta, Stefano Sanguinetti High-Yield Fabrication of Entangled Photon Emitters for Hybrid Quantum Networking Using High-Temperature Droplet Epitaxy published pages: 505-512, ISSN: 1530-6984, DOI: 10.1021/acs.nanolett.7b04472	Nano Letters 18/1	2019-05-28
2018	Daniel Huber, Marcus Reindl, Johannes Aberl, Armando Rastelli, Rinaldo Trotta Semiconductor quantum dots as an ideal source of polarization-entangled photon pairs on-demand: a review published pages: 73002, ISSN: 2040-8978, DOI: 10.1088/2040-8986/aac4c4	Journal of Optics 20/7	2019-05-28
2018	Xueyong Yuan, Fritz Weyhausen-Brinkmann, Javier MartÃn-SÃ¡nchez, Giovanni Piredda, Vlastimil KÅ™Ã¡pek, Yongheng Huo, Huiying Huang, Christian Schimpf, Oliver G. Schmidt, Johannes Edlinger, Gabriel Bester, Rinaldo Trotta, Armando Rastelli Uniaxial stress flips the natural quantization axis of a quantum dot for integrated quantum photonics published pages: 1-8, ISSN: 2041-1723, DOI: 10.1038/s41467-018-05499-5	Nature Communications 9/1	2019-05-28
2018	Daniel Huber, Marcus Reindl, Saimon Filipe Covre da Silva, Christian Schimpf, Javier MartÃn-SÃ¡nchez, Huiying Huang, Giovanni Piredda, Johannes Edlinger, Armando Rastelli, Rinaldo Trotta Strain-Tunable GaAs Quantum Dot: A Nearly Dephasing-Free Source of Entangled Photon Pairs on Demand published pages: 33902, ISSN: 0031-9007, DOI: 10.1103/PhysRevLett.121.033902	Physical Review Letters 121/3	2019-05-28
2018	Lucas Schweickert, Klaus D. JÃ¶ns, Katharina D. Zeuner, Saimon Filipe Covre da Silva, Huiying Huang, Thomas Lettner, Marcus Reindl, Julien Zichi, Rinaldo Trotta, Armando Rastelli, Val Zwiller On-demand generation of background-free single photons from a solid-state source published pages: 93106, ISSN: 0003-6951, DOI: 10.1063/1.5020038	Applied Physics Letters 112/9	2019-05-28
2017	Dorian Ziss, Javier MartÃn-SÃ¡nchez, Thomas Lettner, Alma Halilovic, Giovanna Trevisi, Rinaldo Trotta, Armando Rastelli, Julian Stangl Comparison of different bonding techniques for efficient strain transfer using piezoelectric actuators published pages: 135303, ISSN: 0021-8979, DOI: 10.1063/1.4979859	Journal of Applied Physics 121/13	2019-06-19
2017	Huiying Huang, Rinaldo Trotta, Yongheng Huo, Thomas Lettner, Johannes S. Wildmann, Javier MartÃn-SÃ¡nchez, Daniel Huber, Marcus Reindl, Jiaxiang Zhang, Eugenio Zallo, Oliver G. Schmidt, Armando Rastelli Electrically-Pumped Wavelength-Tunable GaAs Quantum Dots Interfaced with Rubidium Atoms published pages: 868-872, ISSN: 2330-4022, DOI: 10.1021/acsphotonics.6b00935	ACS Photonics 4/4	2019-06-19
2017	Daniel Huber, Marcus Reindl, Yongheng Huo, Huiying Huang, Johannes S. Wildmann, Oliver G. Schmidt, Armando Rastelli, Rinaldo Trotta Highly indistinguishable and strongly entangled photons from symmetric GaAs quantum dots published pages: 15506, ISSN: 2041-1723, DOI: 10.1038/ncomms15506	Nature Communications 8	2019-06-19
2017	Johannes Aberl, Petr KlenovskÃ½, Johannes S. Wildmann, Javier MartÃn-SÃ¡nchez, Thomas Fromherz, Eugenio Zallo, Josef HumlÃÄek, Armando Rastelli, Rinaldo Trotta Inversion of the exciton built-in dipole moment in In(Ga)As quantum dots via nonlinear piezoelectric effect published pages: 45414, ISSN: 2469-9950, DOI: 10.1103/PhysRevB.96.045414	Physical Review B 96/4	2019-06-19
2017	Klaus D. JÃ¶ns, Katarina Stensson, Marcus Reindl, Marcin Swillo, Yongheng Huo, Val Zwiller, Armando Rastelli, Rinaldo Trotta, Gunnar BjÃ¶rk Two-photon interference from two blinking quantum emitters published pages: 75430, ISSN: 2469-9950, DOI: 10.1103/PhysRevB.96.075430	Physical Review B 96/7	2019-06-19
2017	Marcus Reindl, Klaus D. JÃ¶ns, Daniel Huber, Christian Schimpf, Yongheng Huo, Val Zwiller, Armando Rastelli, Rinaldo Trotta Phonon-Assisted Two-Photon Interference from Remote Quantum Emitters published pages: 4090-4095, ISSN: 1530-6984, DOI: 10.1021/acs.nanolett.7b00777	Nano Letters 17/7	2019-06-19

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