Quantum Physics and Information Techology

  • Fysikvej, 309

    DK-2800 Kgs. Lyngby

    Denmark

Research Output

2020

8 GBit/s real-time quantum random number generator with non-iid samples

Gehring, T., Lupo, C., Kordts, A., Solar Nikolic, D., Jain, N., Pedersen, T. B., Pirandola, S. & Andersen, U. L., 2020, (Submitted) In : arXiv.

Research output: Contribution to journalJournal articleResearch

Advances in Quantum Cryptography

Pirandola, S., Andersen, U. L., Banchi, L., Berta, M., Bunandar, D., Colbeck, R., Englund, D., Gehring, T., Lupo, C., Ottaviani, C., Pereira, J., Razavi, M., Shaari, J. S., Tomamichel, M., Usenko, V. C., Vallone, G., Villoresi, P. & Wallden, P., 2020, (Submitted) In : arXiv.

Research output: Contribution to journalJournal articleResearch

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96 Downloads (Pure)

Advancing classical and quantum communication systems with machine learning

Zibar, D., Moura, U. C. D., Chin, H-M., Brusin, A. M. R., Jain, N., Da Ros, F., Kleis, S., Schaeffer, C., Gehring, T., Andersen, U. L. & Carena, A., 2020, Optical Fiber Communication Conference 2020. Optical Society of America (OSA), 3 p. W1K.1

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
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32 Downloads (Pure)

Algorithmic Approach to Design Highly Efficient MET-LDPC Codes with Cascade Structure

Mani, H., Gehring, T., Pacher, C. & Andersen, U. L., 2020, (Submitted). 3 p.

Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

An Approximation Method for Analysis and Design of Multi-Edge Type LDPC Codes

Mani, H., Gehring, T., Pacher, C. & Andersen, U. L., 2020, (Submitted). 3 p.

Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

Autonomous multipartite entanglement engines

Tavakoli, A., Haack, G., Brunner, N. & Brask, J. B., 2020, In : Physical Review A. 101, 1, 11 p., 012315.

Research output: Contribution to journalJournal articleResearchpeer-review

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Cavity-Enhanced Photon Emission from a Single Germanium-Vacancy Center in a Diamond Membrane

Jensen, R. H., Janitz, E., Fontana, Y. L., He, Y., Gobron, O., Radko, I., Bhaskar, M., Evans, R., Rodríguez Rosenbluth, C. D., Childress, L., Huck, A. & Andersen, U. L., 2020, (Submitted) In : arXiv.

Research output: Contribution to journalJournal articleResearch

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60 Downloads (Pure)

Cores of cubelike graphs

Mančinska, L., Pivotto, I., Roberson, D. E. & Royle, G. F., 2020, In : European Journal of Combinatorics. 87, 16 p., 103092.

Research output: Contribution to journalJournal articleResearchpeer-review

Deterministic generation of a four-component optical cat state

Hastrup, J., Neergaard-Nielsen, J. S. & Andersen, U. L., 2020, In : Optics Letters. 45, 3, p. 640-643

Research output: Contribution to journalJournal articleResearchpeer-review

Distributed quantum sensing in a continuous variable entangled network

Guo, X., Breum, C. R., Borregaard, J., Izumi, S., Larsen, M. V., Gehring, T., Christandl, M., Neergaard-Nielsen, J. S. & Andersen, U. L., 2020, In : Nature Physics. 16, p. 281–284

Research output: Contribution to journalJournal articleResearchpeer-review

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91 Downloads (Pure)

Effect of filter shape on excess noise performance in continuous variable quantum key distribution with Gaussian modulation

Chin, H-M., Jain, N., Zibar, D., Gehring, T. & Andersen, U. L., 2020, (Submitted) In : arXiv.

Research output: Contribution to journalJournal articleResearchpeer-review

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45 Downloads (Pure)

Hybrid Rabi interactions with traveling states of light: Paper

Park, K., Laurat, J. & Filip, R., 2020, In : New Journal of Physics. 22, 1, 13 p., 013056 .

Research output: Contribution to journalJournal articleResearchpeer-review

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13 Downloads (Pure)

Perfect Strategies for Non-Local Games

Lupini, M., Mančinska, L., Paulsen, V. I., Roberson, D. E., Scarpa, G., Severini, S., Todorov, I. G. & Winter, A., 2020, In : Mathematical Physics Analysis and Geometry. 23, 1, 31 p., 7.

Research output: Contribution to journalJournal articleResearchpeer-review

Photophysics of quantum emitters in hexagonal boron-nitride nano-flakes

Boll, M. K., Radko, I. P., Huck, A. & Andersen, U. L., 2020, In : Optics Express. 28, 5, p. 7475-7487

Research output: Contribution to journalJournal articleResearchpeer-review

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Quantum-enhanced correlated interferometry for fundamental physics tests

Pradyumna, S. T., Losero, E., Ruo-Berchera, I., Traina, P., Zucco, M., Jacobsen, C. S., Andersen, U. L., Degiovanni, I. P., Genovese, M. & Gehring, T., 2020, (Submitted) In : arXiv.

Research output: Contribution to journalJournal articleResearch

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33 Downloads (Pure)

Tomography of a Feedback Measurement with Photon Detection

Izumi, S., Neergaard-Nielsen, J. S. & Andersen, U. L., 2020, In : Physical Review Letters. 124, 7, 6 p., 070502.

Research output: Contribution to journalJournal articleResearchpeer-review

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Wurtzite AlGaAs Nanowires

Leandro, L., Reznik, R., Clement, J. D., Repän, J., Reynolds, M., Ubyivovk, E. V., Shtrom, I. V., Cirlin, G. & Akopian, N., 1 Dec 2020, In : Scientific Reports. 10, 1, 735.

Research output: Contribution to journalJournal articleResearchpeer-review

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48 Downloads (Pure)
2019

A Compact, Mobile, Low-Threshold Squeezed Light Source

Arnbak, J., Jacobsen, C. S., B. Andrade, R., Guo, X., Neergaard-Nielsen, J. S., Andersen, U. L. & Gehring, T., 2019, In : Optics Express. 27, 26, p. 37877-37885 9 p.

Research output: Contribution to journalJournal articleResearchpeer-review

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94 Downloads (Pure)

A magnetometer using optically active defects in a solid state material

Huck, A., Ahmadi, S., El-Ella, H. & Andersen, U. L., 2019, IPC No. G01R33/323 , Patent No. WO2019002576, 3 Jan 2019, Priority date 29 Jun 2017, Priority No. EP20170178726

Research output: Patent

Open Access
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262 Downloads (Pure)

A quantum Interferometer for quantum gravity studies

Losero, E., Tekuru, S. P., Traina, P., Ruo-Berchera, I., Zucco, M., Degiovanni, I. P., Jacobsen, C. S., Gehring, T., Andersen, U. L. & Genovese, M., 2019, Quantum Communications and Quantum Imaging XVII. Deacon, K. S. (ed.). SPIE - International Society for Optical Engineering, Vol. 11134. 11 p. 111340F

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

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Boosting the secret key rate in a shared quantum and classical fibre communication system

Bacco, D., da Lio, B., Cozzolino, D., Da Ros, F., Guo, X., Ding, Y., Sasaki, Y., Aikawa, K., Miki, S., Terai, H., Yamashita, T., Neergaard-Nielsen, J. S., Galili, M., Rottwitt, K., Andersen, U. L., Morioka, T. & Oxenløwe, L. K., 2019, In : Communications Physics. 2, 1, 8 p., 140.

Research output: Contribution to journalJournal articleResearchpeer-review

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78 Downloads (Pure)

Cavity optomechanical feedback cooling and magnetic eld sensing

Bilek, J., 2019, Department of Physics, Technical University of Denmark. 106 p.

Research output: Book/ReportPh.D. thesisResearch

Open Access
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11 Downloads (Pure)

Co-existence of 87 Mbit/s quantum and 10 Gbit/s classical communications in 37-core fiber

Da Lio, B., Bacco, D., Cozzolino, D., Da Ros, F., Guo, X., Ding, Y., Sasaki, Y., Aikawa, K., Miki, S., Terai, H., Yamashita, T., Neergaard-Nielsen, J. S., Galili, M., Rottwitt, K., Andersen, U. L., Morioka, T. & Oxenlowe, L. K., 1 Jun 2019, Proceedings of 2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference. IEEE, 8871492

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Continuous microwave hole burning and population oscillations in a diamond spin ensemble

El-Ella, H. A. R., Huck, A. & Andersen, U. L., 2019, In : Physical Review B. 100, 21, 9 p., 214407.

Research output: Contribution to journalJournal articleResearchpeer-review

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Deformation of single cells - Optical two-beam traps and more

Nielsen, K. S., Rungling, T. B., Dziegiel, M. H., Marie, R. & Berg-Sørensen, K., 2019, Complex Light and Optical Forces XIII. Galvez, E. J., Andrews, D. L. & Gluckstad, J. (eds.). SPIE - International Society for Optical Engineering, 9 p. 1093516. (Proceedings of SPIE - The International Society for Optical Engineering, Vol. 10935).

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
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234 Downloads (Pure)

Demonstration of Distributed Quantum Sensing using Nonlinear Optics

Guo, X., Bream, C. R., Borregaard, J., Izumi, S., Larsen, M. V., Neergaard-Nielsen, J. S. & Andersen, U. L., 2019, 2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC). IEEE, 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

Dermal Denticles of Three Slowly Swimming Shark Species: Microscopy and Flow Visualization

Feld, K., Kolborg, A. N., Nyborg, C. M., Salewski, M., Steffensen, J. F. & Berg-Sørensen, K., 2019, In : Biomimetics. 4, 2, 20 p., 38.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
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Deterministic generation of a two-dimensional cluster state

Larsen, M. V., Guo, X., Breum, C. R., Neergaard-Nielsen, J. S. & Andersen, U. L., 2019, In : Science. 366, 6463, p. 369-372 4 p.

Research output: Contribution to journalJournal articleResearchpeer-review

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Diagnostic of fast-ion energy spectra and densities in magnetized plasmas

Salewski, M., Nocente, M., Madsen, B., Abramovic, I., Gorini, G., Jacobsen, A. S., Kiptily, V., Korsholm, S. B., Moseev, D., Nielsen, S. K., Poulsen, A. F. L., Rasmussen, J., Tardocchi, M., Geiger, B., Eriksson, J., ASDEX Upgrade Team & EUROfusion MST1 Team, 2019, In : Journal of Instrumentation. 14, 17 p.

Research output: Contribution to journalConference articleResearchpeer-review

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Exploiting the Causal Tensor Network Structure of Quantum Processes to Efficiently Simulate Non-Markovian Path Integrals

Jørgensen, M. R. & Pollock, F. A., 2019, In : Physical Review Letters. 123, 24, 7 p., 240602.

Research output: Contribution to journalJournal articleResearchpeer-review

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Open Access
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Generation of two-mode squeezed states from a single temporally multiplexed squeezing source

Larsen, M. V., Guo, X., Breum, C. R., Neergaard-Nielsen, J. S. & Andersen, U. L., 2019, Proceedings of Quantum Information and Measurement (QIM) V: Quantum Technologies. Optical Society of America (OSA), 2 p. T5A.20

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Highly–sensitive phase and frequency noise measurement technique using Bayesian filtering

Zibar, D., Chin, H-M., Tong, Y., Jain, N., Guo, J., Chang, L., Gehring, T., Bowers, J. E. & Andersen, U. L., 2019, In : I E E E Photonics Technology Letters. 31, 23, p. 1866 - 1869

Research output: Contribution to journalJournal articleResearchpeer-review

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Magnon condensation in a dense nitrogen-vacancy spin ensemble

El-Ella, H. A. R., 2019, In : Physical Review B. 99, 2, 12 p., 024414.

Research output: Contribution to journalJournal articleResearchpeer-review

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Multimode Opto-Electro-Mechanical Transducer for Non-Reciprocal Conversion of Radio-Frequency and Optical Signals

Malossi, N., Moaddel Haghighi, I., Natali, R., Di Giuseppe, G. & Vitali, D., 2019, 2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC). IEEE, 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

Nanotesla sensitivity magnetic field sensing using a compact diamond nitrogen-vacancy magnetometer

Webb, J. L., Clement, J. D., Troise, L., Ahmadi, S., Johansen, G. J., Huck, A. & Andersen, U. L., 2019, In : Applied Physics Letters. 114, 23, 5 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access

Optical manipulation in biological samples: 3D-printed BioBots

Bunea, A-I., Engay, E., Wetzel, A., Berg-Sørensen, K. & Taboryski, R. J., 2019.

Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

Open Access
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29 Downloads (Pure)

Phase Compensation for Continuous Variable Quantum Key Distribution

Chin, H-M., Zibar, D., Jain, N., Gehring, T. & Andersen, U. L., 2019, Proceedings of CLEO: Applications and Technology 2019. IEEE, p. 1-2 2 p. JF2F.1

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Practical education of quantum engineers

Hoff, U. B., Gehring, T. & Trinhammer, O. L., 2019, Proceedings of the 46th SEFI Annual Conference 2018. European Society for Engineering Education (SEFI), p. 864-871

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

12 Downloads (Pure)

Self-testing quantum random-number generator based on an energy bound

Rusca, D., van Himbeeck, T., Martin, A., Brask, J. B., Shi, W., Pironio, S., Brunner, N. & Zbinden, H., 2019, In : Physical Review A. 100, 6, 5 p., 062338.

Research output: Contribution to journalJournal articleResearchpeer-review

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Semi-device-independent characterization of quantum measurements under a minimum overlap assumption

Shi, W., Cai, Y., Brask, J. B., Zbinden, H. & Brunner, N., 2019, In : Physical Review A. 100, 4, 9 p., 042108.

Research output: Contribution to journalJournal articleResearchpeer-review

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Sensitivity enhancement by mode entanglement in distributed phase sensing

Guo, X., Borregard, J., Breum, C. R., Izumi, S., Larsen, M. V., Neergaard-Nielsen, J. S. & Andersen, U. L., 2019, Proceedings Quantum Information and Measurement (QIM) V: Quantum Technologies. Optical Society of America (OSA), 2 p. S4A.4

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Squeezed light generator and method for generating squeezed light

Andersen, U. L., Gehring, T. & Jacobsen, C. S., 27 Jun 2019, IPC No. G02F 1/ 35 A I, Patent No. WO2019120418, 18 Dec 2017, Priority date 18 Dec 2017, Priority No. EP20170208067

Research output: Patent

Open Access
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101 Downloads (Pure)

Squeezed vacuum states from a whispering gallery mode resonator

Otterpohl, A., Sedlmeir, F., Vogl, U., Dirmeier, T., Shafiee, G., Schunk, G., Strekalov, D. V., Schwefel, H. G. L., Gehring, T., Andersen, U. L., Leuchs, G. & Marquardt, C., 2019, In : Optica. 6, 11, p. 1375-1380 6 p.

Research output: Contribution to journalJournal articleResearchpeer-review

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Super sensitivity and super resolution with quantum teleportation

Borregaard, J., Gehring, T., Neergaard-Nielsen, J. S. & Andersen, U. L., 2019, In : n p j Quantum Information. 5, 1, 6 p., 16.

Research output: Contribution to journalJournal articleResearchpeer-review

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Unifying Paradigms of Quantum Refrigeration: A Universal and Attainable Bound on Cooling

Clivaz, F., Silva, R., Haack, G., Brask, J. B., Brunner, N. & Huber, M., 2019, In : Physical Review Letters. 123, 17, 6 p., 170605.

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Unifying paradigms of quantum refrigeration: Fundamental limits of cooling and associated work costs

Clivaz, F., Silva, R., Haack, G., Brask, J. B., Brunner, N. & Huber, M., 2019, In : Physical Review E. 100, 4, 33 p., 042130.

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Upper bound on certifiable randomness from a quantum black-box device

Ioannou, M., Brask, J. B. & Brunner, N., 2019, In : Physical Review A. 99, 5, 6 p., 052338.

Research output: Contribution to journalJournal articleResearchpeer-review

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