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Recent advances on integrated quantum communications

Adeline Orieux, Eleni Diamanti
2016 Journal of Optics  
Among the multiple applications of integrated quantum technologies, this review will focus on typical components of quantum communication systems and on overall integrated system operation characteristics  ...  We are interested in particular in the use of photonic integration platforms for developing devices necessary in quantum communications, including sources, detectors and both passive and active optical  ...  Acknowledgments ED thanks the participants of the NSF Quantum Information on Chip Workshop held in Padova, Italy, in October 2015, for stimulating discussions; some of the discussed topics are reflected  ... 
doi:10.1088/2040-8978/18/8/083002 fatcat:oguqq5mzwbe27mdi6k2pouaweu

Experimental realization of freely propagating teleported qubits

Jian-Wei Pan, Sara Gasparoni, Markus Aspelmeyer, Thomas Jennewein, Anton Zeilinger
2003 Nature  
We used only FUSE data from the LiF mirror and the A1 detector segment, which have optimal efficiency in the waveband around the O VI line.  ...  The data were calibrated and 'cleaned' following standard procedures 28 . The resolution of the final data is ,20 km s 21 , at 1,032 Å .  ...  Acknowledgements This work was supported by the Austrian Science Foundation (FWF), the TMR and the QuComm programmes of the European Commission and the Alexander von Humboldt Foundation.  ... 
doi:10.1038/nature01412 pmid:12610619 fatcat:4ar3gzrlvvds5gnjm44z7ssanu

Silicon photonic devices for scalable quantum information applications [article]

Lantian Feng, Ming Zhang, Jianwei Wang, Xiaoqi Zhou, Xiaogang Qiang, Guangcan Guo, Xifeng Ren
2022 arXiv   pre-print
Scalable quantum information applications need photon generation and detection to be integrated on the same chip, and we have seen that various devices on the silicon photonic chip have been developed  ...  This paper reviews the relevant research results and state-of-the-art technologies on the silicon photonic chip for scalable quantum applications.  ...  Based on hybrid techniques, photon lasers [214] and photon detection processes [79, 95, 96] have been integrated directly on the silicon chip.  ... 
arXiv:2208.05104v1 fatcat:m22xlrur6nbcpbb43dbngffutq

Ground-to-satellite quantum teleportation

Ji-Gang Ren, Ping Xu, Hai-Lin Yong, Liang Zhang, Sheng-Kai Liao, Juan Yin, Wei-Yue Liu, Wen-Qi Cai, Meng Yang, Li Li, Kui-Xing Yang, Xuan Han (+20 others)
2017 Nature  
To optimize the link efficiency and overcome the atmospheric turbulence in the up-link, a series of techniques are developed, including a compact ultra-bright source of multi-photon entanglement, narrow  ...  A promising solution to this problem is exploiting satellite platform and space-based link, which can conveniently connect two remote points on the Earth with greatly reduced channel loss because most  ...  Ngari performs a joint measurement on the to-be-teleported photon 1 and the photon 2 from the entangled pair, projecting them into one of the four Bell states.  ... 
doi:10.1038/nature23675 pmid:28825708 fatcat:p6pj4mpihfgqlda5rnarrmdwrq

Experimental quantum teleportation of a two-qubit composite system

Qiang Zhang, Alexander Goebel, Claudia Wagenknecht, Yu-Ao Chen, Bo Zhao, Tao Yang, Alois Mair, Jörg Schmiedmayer, Jian-Wei Pan
2006 Nature Physics  
Quantum teleportation, a way to transfer the state of a quantum system from one location to another, is central to quantum communication and plays an important role in a number of quantum computation protocols  ...  In the experiment, we develop and exploit a six-photon interferometer to teleport an arbitrary polarization state of two photons.  ...  Correspondence and requests for materials should be addressed to J.-W. Pan  ... 
doi:10.1038/nphys417 fatcat:qkg72y7exvhaxj24hg2i7vc3im

Quantum Teleportation with Imperfect Quantum Dots [article]

Francesco Basso Basset, Francesco Salusti, Lucas Schweickert, Michele B. Rota, Davide Tedeschi, Saimon F. Covre da Silva, Emanuele Roccia, Val Zwiller, Klaus D. Jöns, Armando Rastelli, Rinaldo Trotta
2020 arXiv   pre-print
Efficient all-photonic quantum teleportation requires fast and deterministic sources of highly indistinguishable and entangled photons.  ...  Using a quantum dot with sub-par values of entanglement and photon indistinguishability, we show that the average teleportation fidelity can be raised from below the classical limit to 0.842(14).  ...  protocol based on photons from a quantum emitter.  ... 
arXiv:2006.02733v1 fatcat:vt22neauazbbpdubadzczncqya

Teleportation-based realization of an optical quantum two-qubit entangling gate

W.-B. Gao, A. M. Goebel, C.-Y. Lu, H.-N. Dai, C. Wagenknecht, Q. Zhang, B. Zhao, C.-Z. Peng, Z.-B. Chen, Y.-A. Chen, J.-W. Pan
2010 Proceedings of the National Academy of Sciences of the United States of America  
Therefore, the construction of a quantum computer can be simply based on some multi-particle entangled states, Bell state measurements and single-qubit operations.  ...  Using two different methods we demonstrate the smallest non-trivial module in such a scheme---a teleportation-based quantum entangling gate for two different photonic qubits.  ...  It has also been shown that one-way quantum computation based on cluster states (20) is equivalent with the teleportation-based approaches (21, 22) .  ... 
doi:10.1073/pnas.1005720107 pmid:21098305 pmcid:PMC3000260 fatcat:uc6begarmbeb3kj5fwg5ggotoy

Quantum teleportation over 143 kilometres using active feed-forward

Xiao-Song Ma, Thomas Herbst, Thomas Scheidl, Daqing Wang, Sebastian Kropatschek, William Naylor, Bernhard Wittmann, Alexandra Mech, Johannes Kofler, Elena Anisimova, Vadim Makarov, Thomas Jennewein (+2 others)
2012 Nature  
To achieve this, the experiment had to employ novel techniques such as a frequency-uncorrelated polarization-entangled photon pair source, ultra-low-noise single-photon detectors, and entanglement-assisted  ...  Our experiment confirms the maturity and applicability of the involved technologies in real-world scenarios, and is a milestone towards future satellite-based quantum teleportation.  ...  (Also, the quantum repeater, which is of high importance for large-scale quantum networks, is based on teleportation in the form of entanglement swapping 31 .)  ... 
doi:10.1038/nature11472 pmid:22951967 fatcat:tnwr5ybodva5pbheyh6vxinkky

Directly Measuring a Multiparticle Quantum Wave Function via Quantum Teleportation [article]

Ming-Cheng Chen, Yuan Li, Run-Ze Liu, Dian Wu, Zu-En Su, Xi-Lin Wang, Li Li, Nai-Le Liu, Chao-Yang Lu, Jian-Wei Pan
2021 arXiv   pre-print
The density matrix element is embedded in a virtual logical qubit and is nondestructively teleported to a single physical qubit for readout.  ...  We experimentally implement this method to directly measure the wavefunction of a photonic mixed quantum state beyond a single photon using a single observable for the first time.  ...  Acknowledgement: This work was supported by the National Natural Science Foundation of China, the Chinese Academy of Sciences, the National Fundamental Research, the Anhui Initiative in Quantum Information  ... 
arXiv:2107.11754v1 fatcat:hd2mndiodvdthnx22udyrwzk64

Photonic quantum information processing: a review

Fulvio Flamini, Nicolò Spagnolo, Fabio Sciarrino
2018 Reports on progress in physics (Print)  
Furthermore, recent technological advances are now enabling first concrete applications of photonic quantum information processing.  ...  Photonic quantum technologies represent a promising platform for several applications, ranging from long-distance communications to the simulation of complex phenomena.  ...  QUCHIP (Quantum Simulation on a Photonic Chip; grant agreement no.641039;  ... 
doi:10.1088/1361-6633/aad5b2 pmid:30421725 fatcat:e22m5n6ejnc4vbyyn66iakhh2a

Photonic quantum technologies

Jeremy L. O'Brien, Akira Furusawa, Jelena Vučković
2009 Nature Photonics  
These technologies may use single photons or quantum states of bright laser beams, or both, and will undoubtably apply and drive state-of-the-art developments in photonics.  ...  Anticipated future quantum technologies include large-scale secure networks, enhanced measurement and lithography, and quantum information processors, promising exponentially greater computation power  ...  84 and photonic crystal quantum-dot-based single-photon nonlinearities 85 .  ... 
doi:10.1038/nphoton.2009.229 fatcat:qsjtwpksk5aa5fvtfmmraavgmq

Advances in High Dimensional Quantum Entanglement [article]

Manuel Erhard and Mario Krenn and Anton Zeilinger
2019 arXiv   pre-print
Finally, we discuss some important problems in the area of high-dimensional entanglement and give a brief outlook on possible future developments.  ...  We provide an overview of the latest technological developments in the generation and manipulation of high-dimensionally entangled photonic systems encoded in various discrete degrees of freedom such as  ...  ACKNOWLEDGEMENTS We thank Sebastian Ecker and Lukas Bulla for insightful discussions related to time-bin entanglement.  ... 
arXiv:1911.10006v2 fatcat:qmytaqbzgze3razalmrceqijp4

Quantum Information Processing with Superconducting Nanowire Single-Photon Detectors

2019 IEICE transactions on electronics  
Superconducting nanowire single-photon detector (SNSPD) has been one of the important ingredients for photonic quantum information processing (QIP).  ...  . key words: superconducting nanowire single-photon detector, quantum information processing, quantum optics  ...  Acknowledgments This work was supported by CREST, JST JPMJCR1671 and JPMJCR18H1; MEXT/JSPS KAKENHI Grant Number 18H04291, 16H02214, 15KK0164.  ... 
doi:10.1587/transele.2018sdi0002 fatcat:q7blukk3djhozmgxdrv3tkyfxi

Quantum teleportation on a photonic chip

Benjamin J. Metcalf, Justin B. Spring, Peter C. Humphreys, Nicholas Thomas-Peter, Marco Barbieri, W. Steven Kolthammer, Xian-Min Jin, Nathan K. Langford, Dmytro Kundys, James C. Gates, Brian J. Smith, Peter G. R. Smith (+1 others)
2014 Nature Photonics  
Here we report the first demonstration of quantum teleportation in which all key parts - entanglement preparation, Bell-state analysis and quantum state tomography - are performed on a reconfigurable integrated  ...  Photonic implementations have largely focussed on achieving long distance teleportation due to its suitability for decoherence-free communication.  ...  Tanzilli for insightful comments on the manuscript. This work was supported by the EPSRC(EP/K034480/1, EP/H03031X/1, EP/H000178/1), the EC project SIQS, the Royal Society, and the AFOSR EOARD.  ... 
doi:10.1038/nphoton.2014.217 fatcat:kn7kwdxmivhazpma6rqp4e6d54

Quantum teleportation across a metropolitan fibre network

Raju Valivarthi, Grimau Puigibert, Qiang Zhou, Gabriel H. Aguilar, Varun B. Verma, Francesco Marsili, Matthew D. Shaw, Sae Woo Nam, Daniel Oblak, Wolfgang Tittel
2016 Nature Photonics  
Our demonstration establishes an important requirement for quantum repeater-based communications and constitutes a milestone on the path to a global quantum Internet.  ...  Starting in 1997, this puzzling prediction of quantum mechanics has been demonstrated many times; however, with one very recent exception, only the photon that received the teleported state, if any, travelled  ...  support, and Pascal Lefebvre for help with aligning the entangled photon pair source.  ... 
doi:10.1038/nphoton.2016.180 fatcat:azfxrt73nnaahfqzobimrxq4u4
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