Quantum Physics and Information Techology

  • Fysikvej, 309

    DK-2800 Kgs. Lyngby

    Denmark

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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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Autonomous multipartite entanglement engines

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

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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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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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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 .

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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

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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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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.

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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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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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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.

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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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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

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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.

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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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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

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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.

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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

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.

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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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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.

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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.

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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.

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2018

Clock transition by continuous dynamical decoupling of a three-level system

Stark, A., Aharon, N., Huck, A., El-Ella, H. A. R., Retzker, A., Jelezko, F. & Andersen, U. L., 2018, In : Scientific Reports. 8, 1, 8 p., 14807.

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Complete elimination of information leakage in continuous-variable quantum communication channels

Jacobsen, C. S., Madsen, L. S., Usenko, V. C., Fillip, R. & Andersen, U. L., 2018, In : n p j Quantum Information. 4, 1, 6 p.

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Continuous-variable protocol for oblivious transfer in the noisy-storage model

Furrer, F., Gehring, T., Schaffner, C., Pacher, C., Schnabel, R. & Wehner, S., 2018, In : Nature Communications. 9, 1, 10 p., 1450.

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Contributed review: camera-limits for wide-field magnetic resonance imaging with a nitrogen-vacancy spin sensor

Wojciechowski, A. M., Karadas, M., Huck, A., Osterkamp, C., Jankuhn, S., Meijer, J., Jelezko, F. & Andersen, U. L., 2018, In : Review of Scientific Instruments. 89, 3, 8 p., 031501.

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Deterministic phase measurements exhibiting super-sensitivity and super-resolution

Schäfermeier, C., Ježek, M., Madsen, L. S., Gehring, T. & Andersen, U. L., 2018, In : Optica. 5, 1, p. 60-64

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Feasibility and resolution limits of opto-magnetic imaging of neural network activity in brain slices using color centers in diamond

Karadas, M., Wojciechowski, A. M., Huck, A., Dalby, N. O., Andersen, U. L. & Thielscher, A., 2018, In : Scientific Reports. 8, 1, 14 p., 4503.

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Mutual information of optical communication in phase-conjugating Gaussian channels

Schafermeier, C. & Andersen, U. L., 2018, In : Physical Review A (Atomic, Molecular and Optical Physics). 97, 3, 5 p., 032313.

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Nitrogen-vacancy ensemble magnetometry based on pump absorption

Ahmadi, S., El-Ella, H. A. R., Wojciechowski, A. M., Gehring, T., Hansen, J. O. B., Huck, A. & Andersen, U. L., 2018, In : Physical Review B. 97, 2, 6 p., 024105.

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Precision temperature sensing in the presence of magnetic field noise and vice-versa using nitrogen-vacancy centers in diamond

Wojciechowski, A. M., Karadas, M., Osterkamp, C., Jankuhn, S., Meijer, J., Jelezko, F., Huck, A. & Andersen, U. L., 2018, In : Applied Physics Letters. 113, 1, 5 p., 013502.

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Projective measurement onto arbitrary superposition of weak coherent state bases

Izumi, S., Takeoka, M., Wakui, K., Fujiwara, M., Ema, K. & Sasaki, M., 2018, In : Scientific Reports. 8, 1, 8 p., 2999.

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Quantitative time domain analysis of lifetime-based Förster resonant energy transfer measurements with fluorescent proteins: Static random isotropic fluorophore orientation distributions

Alexandrov, Y., Nikolic, D. S., Dunsby, C. & French, P. M. W., 2018, In : Journal of Biophotonics. 11, 7, 17 p., e201700366.

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Quantum enhanced optomechanical magnetometry

Li, B-B., Bilek, J., Hoff, U. B., Madsen, L. S., Forstner, S., Prakash, V., Schäfermeier, C., Gehring, T., Bowen, W. P. & Andersen, U. L., 2018, In : Optica. 5, 7, 7 p., 850.

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Quantum optomechanical transducer with ultrashort pulses

Vostrosablin, N., Rakhubovsky, A. A., Hoff, U. B., Andersen, U. L. & Filip, R., 2018, In : New Journal of Physics. 20, 8, p. 083042 1 p.

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Sensing magnetic fields with diamonds and green laser light

Frellsen, L. F. & Ahmadi, S., 2018, In : Quantum Views. 2

Research output: Contribution to journalJournal articleCommunication

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Tuning biomimetic membrane barrier properties by hydrocarbon, cholesterol and polymeric additives

Palanco, M. E., Skovgaard, N., Hansen, J. S., Berg-Sørensen, K. & Hélix-Nielsen, C., 2018, In : Bioinspiration & Biomimetics. 13, 1, 12 p., 016005.

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2017

Dispersive heterodyne probing method for laser frequency stabilization based on spectral hole burning in rare-earth doped crystals

Gobron, O., Jung, K., Galland, N., Predehl, K., Le Targat, R., Ferrier, A., Goldner, P., Seidelin, S. & Le Coq, Y., 26 Jun 2017, In : Optics Express. 25, 13, p. 15539-15548 10 p.

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Invisible Trojan-horse attack

Sajeed, S., Minshull, C., Jain, N. & Makarov, V., 2017, In : Scientific Reports. 7, 1, 7 p., 8403.

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Narrow-bandwidth sensing of high-frequency fields with continuous dynamical decoupling

Stark, A., Aharon, N., Unden, T., Louzon, D., Huck, A., Retzker, A., Andersen, U. L. & Jelezko, F., 2017, In : Nature Communications. 8, 1, 6 p., 1105.

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