Publications

Overcoming the limitations of direct transmission of continuous-variable quantum information

Bjerrum, Anders Jannik Ehlers

Type: Ph.D. thesis

Status: Published | Year: 2023

Persistent nonlocality in an ultracold-atom environment

Longstaff, Bradley ; Brask, Jonatan Bohr
in: Quantum, vol: 7

Type: Journal article (Peer reviewed)

Status: Published | Year: 2023 | DOI: https://doi.org/10.22331/q-2023-01-26-907

Proposal for a long-distance nonlocality test with entanglement swapping and displacement-based measurements

Bjerrum, Anders J.E. ; Brask, Jonatan B. ; Neergaard-Nielsen, Jonas S. ; Andersen, Ulrik L.
in: Physical Review A, vol: 107, issue: 5

Type: Journal article (Peer reviewed)

Status: Published | Year: 2023 | DOI: https://doi.org/10.1103/PhysRevA.107.052611

Quantum Rabi interferometry of motion and radiation

Park, Kimin ; Marek, Petr ; Andersen, Ulrik L. ; Filip, Radim
in: Quantum, vol: 7

Type: Journal article (Peer reviewed)

Status: Published | Year: 2023 | DOI: https://doi.org/10.22331/q-2023-05-31-1024

Quantum Randomness Certification Through Three-state Discrimination

Faria, Lucas Nunes ; Roch i Carceller, Carles ; Liu, Zhenghao ; Andersen, Ulrik ; Neegaard-Nielsen, Jonas ; Brask, Jonatan Bohr
part of: Proceedings of 2023 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference , 2023
Presented at: 2023 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published | Year: 2023 | DOI: https://doi.org/10.1109/CLEO/EUROPE-EQEC57999.2023.10231932

Quantum repeater using two-mode squeezed states and atomic noiseless amplifiers

Bjerrum, Anders J.E. ; Brask, Jonatan B. ; Neergaard-Nielsen, Jonas S. ; Andersen, Ulrik L.
in: Physical Review A, vol: 107, issue: 4

Type: Journal article (Peer reviewed)

Status: Published | Year: 2023 | DOI: https://doi.org/10.1103/PhysRevA.107.042606

Quantum state discrimination with applications in contextuality and randomness certification

Carceller, Carles Roch i

Type: Ph.D. thesis

Status: Published | Year: 2023

Squeezed Light Coexistence with Classical Communication over 10 km Optical Fiber

Hajomer, Adnan A.E. ; Nguyen, Huy Q. ; Pahali, Melis ; Andersen, Ulrik L. ; Gehring, Tobias
part of: Proceedings of the 49th European Conference on Optical Communications, pages: 530-533, 2024
Presented at: 49^th European Conference on Optical Communications

Type: Article in proceedings (Peer reviewed)

Status: Published | Year: 2023 | DOI: https://doi.org/10.1049/icp.2023.2235

Squeezed light source on lithium niobate on insulator for GKP generation without periodic poling

Arge, Tummas Napoleon ; Domeneguetti, Renato R. ; Neergaard-Nielsen, Jonas Schou ; Gehring, Tobias ; Andersen, Ulrik Lund
part of: Proceedings of 2023 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference , 2023
Presented at: 2023 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published | Year: 2023 | DOI: https://doi.org/10.1109/CLEO/EUROPE-EQEC57999.2023.10232290

State-of-the-art Quantum Dot-based Single-photon Sources for Quantum Key Distribution in Silica Fiber Networks at 1550 nm

Holewa, Pawel ; Ostój-Zięba, Emilia ; Vajner, Daniel A. ; Gao, Timm ; Lach, Mareike ; Wasiluk, Maja ; Gaal, Benedek ; Sakanas, Aurimas ; Burakowski, Marek ; Mrowiński, Paweł ; Krajnik, Bartosz ; Xiong, Meng ; Huck, Alexander ; Yvind, Kresten ; Gregersen, Niels ; Musial, Anna ; Heindel, Tobias ; Semenova, Elizaveta ; Syperek, Marcin
Presented at: 51^st International School & Conference on the Physics of Semiconductors

Type: Conference abstract for conference (Peer reviewed)

Status: Published | Year: 2023

Towards optimum phase noise compensation for CV-QKD systems

Chin, Hou Man ; Jain, Nitin ; Andersen, Ulrik L. ; Gehring, Tobias
part of: Proceedings of 2023 Conference on Lasers and Electro-Optics, 2023
Presented at: CLEO: Science and Innovations 2023

Type: Article in proceedings (Peer reviewed)

Status: Published | Year: 2023

Towards quantum-enhanced Raman spectroscopy for bioimaging applications

Lassen, Mikael ; Ilchenko, Oleksii ; Andersen, Ulrik ; Fritzsche, Michael ; Chekhova, Maria ; Kriegsmann, Mark ; Rebane, Aleksander
part of: Quantum Sensing, Imaging, and Precision Metrology, 2023
Presented at: SPIE Quantum West 2023

Type: Article in proceedings (Peer reviewed)

Status: Published | Year: 2023 | DOI: https://doi.org/10.1117/12.2646648

40 km fiber transmission of squeezed light measured with a real local oscillator

Suleiman, I. ; Nielsen, J. A.H. ; Guo, X. ; Jain, N. ; Neergaard-Nielsen, J. ; Gehring, T. ; Andersen, U. L.
in: Quantum Science and Technology, vol: 7, issue: 4

Type: Journal article (Peer reviewed)

Status: Published | Year: 2022 | DOI: https://doi.org/10.1088/2058-9565/ac7ba1

All-optical cat-code quantum error correction

Hastrup, Jacob ; Andersen, Ulrik Lund
in: Physical Review Research, vol: 4, issue: 4

Type: Journal article (Peer reviewed)

Status: Published | Year: 2022 | DOI: https://doi.org/10.1103/PhysRevResearch.4.043065

Assessment of the Bundle SNSPD Plus FPGA-Based TDC for High-Performance Time Measurements

Garzetti, Fabio ; Lusardi, Nicola ; Ronconi, Enrico ; Costa, Andrea ; Velez, Santiago Tarrago ; Galland, Christophe ; Geraci, Angelo
in: IEEE Access, vol: 10, pages: 127894-127910

Type: Journal article (Peer reviewed)

Status: Published | Year: 2022 | DOI: https://doi.org/10.1109/ACCESS.2022.3227462

A Tight Uniform Continuity Bound for the Arimoto-Rényi Conditional Entropy and its Extension to Classical-Quantum States

Jabbour, Michael G. ; Datta, Nilanjana
in: IEEE Transactions on Information Theory, vol: 68, issue: 4, pages: 2169 - 2181

Type: Journal article (Peer reviewed)

Status: Published | Year: 2022 | DOI: https://doi.org/10.1109/TIT.2022.3142812

Bayesian quantum thermometry based on thermodynamic length

Jørgensen, Mathias R. ; Kołodyński, Jan ; Mehboudi, Mohammad ; Perarnau-Llobet, Martí ; Brask, Jonatan B.
in: Physical Review A, vol: 105, issue: 4

Type: Journal article (Peer reviewed)

Status: Published | Year: 2022 | DOI: https://doi.org/10.1103/PhysRevA.105.042601

Bright Quantum Dot Single-Photon Emitters at Telecom Bands Heterogeneously Integrated on Si

Holewa, Pawel ; Sakanas, Aurimas ; Gur, Ugur M. ; Mrowinski, Pawel ; Huck, Alexander ; Wang, Bi Ying ; Musial, Anna ; Yvind, Kresten ; Gregersen, Niels ; Syperek, Marcin ; Semenova, Elizaveta
in: ACS Photonics, vol: 9, issue: 7, pages: 2273–2279

Type: Journal article (Peer reviewed)

Status: Published | Year: 2022 | DOI: https://doi.org/10.1021/acsphotonics.2c00027

Contextual Advantages and Certification for Maximum-Confidence Discrimination

Flatt, Kieran ; Lee, Hanwool ; Carceller, Carles Roch I. ; Brask, Jonatan Bohr ; Bae, Joonwoo
in: PRX Quantum, vol: 3, issue: 3

Type: Journal article (Peer reviewed)

Status: Published | Year: 2022 | DOI: https://doi.org/10.1103/PRXQuantum.3.030337

Continuous-Variable Quantum Key Distribution Over 60 km Optical Fiber With Real Local Oscillator

Hajomer, Adnan A.E. ; Mani, Hossein ; Jain, Nitin ; Chin, Hou-Man ; Andersen, Ulrik L. ; Gehring, Tobias
part of: Proceedings of 2022 European Conference on Optical Communication (ECOC), 2022
Presented at: 2022 European Conference on Optical Communication

Type: Article in proceedings (Peer reviewed)

Status: Published | Year: 2022

Density-modulated phononic membranes

Høj, Dennis ; Hoff, Ulrich ; Andersen, Ulrik
Patent no.: WO2022195083, Date: 2021-03-19

Type: Patent

Status: Published | Year: 2022

Digital synchronization for continuous-variable quantum key distribution

Chin, Hou Man ; Jain, Nitin ; Andersen, Ulrik L. ; Zibar, Darko ; Gehring, Tobias
in: Quantum Science and Technology, vol: 7, issue: 4

Type: Journal article (Peer reviewed)

Status: Published | Year: 2022 | DOI: https://doi.org/10.1088/2058-9565/ac7ba2

Feedback control for mechanical cooling and squeezing in cavity quantum optomechanics

Isaksen, Frederik Werner

Type: Ph.D. thesis

Status: Published | Year: 2022

Feedback cooling of a mechanical resonator from room temperature close to its ground state

Manetta, Angelo

Type: Ph.D. thesis

Status: Published | Year: 2022

Fundamental Limits in Bayesian Thermometry and Attainability via Adaptive Strategies

Mehboudi, Mohammad ; Jørgensen, Mathias R. ; Seah, Stella ; Brask, Jonatan B. ; Kołodyński, Jan ; Perarnau-Llobet, Martí
in: Physical Review Letters, vol: 128, issue: 13

Type: Journal article (Peer reviewed)

Status: Published | Year: 2022 | DOI: https://doi.org/10.1103/PhysRevLett.128.130502

Graphoepitaxial Y:ZrO₂ films on vicinal (110) NdGaO₃ substrates by pulsed laser deposition

Mozhaev, Peter B. ; Khoryushin, Alexey ; Hansen, Jørn Bindslev ; Jacobsen, Claus S.
in: Applied Physics A: Materials Science and Processing, vol: 128, issue: 5

Type: Journal article (Peer reviewed)

Status: Published | Year: 2022 | DOI: https://doi.org/10.1007/s00339-022-05567-0

High-Speed Wide-Field Imaging of Microcircuitry Using Nitrogen Vacancies in Diamond

Webb, James L. ; Troise, Luca ; Hansen, Nikolaj W. ; Frellsen, Louise F. ; Osterkamp, Christian ; Jelezko, Fedor ; Jankuhn, Steffen ; Meijer, Jan ; Berg-Sørensen, Kirstine ; Perrier, Jean François ; Huck, Alexander ; Andersen, Ulrik Lund
in: Physical Review Applied, vol: 17, issue: 6

Type: Journal article (Peer reviewed)

Status: Published | Year: 2022 | DOI: https://doi.org/10.1103/PhysRevApplied.17.064051

In vitro recording of muscle activity induced by high intensity laser optogenetic stimulation using a diamond quantum biosensor

Troise, Luca ; Hansen, Nikolaj Winther ; Olsson, Christoffer ; Webb, James Luke ; Tomasevic, Leo ; Achard, Jocelyn ; Brinza, Ovidiu ; Staacke, Robert ; Kieschnick, Michael ; Meijer, Jan ; Thielscher, Axel ; Siebner, Hartwig Roman ; Berg-Sørensen, Kirstine ; Perrier, Jean François ; Huck, Alexander ; Andersen, Ulrik Lund
in: AVS Quantum Science, vol: 4, issue: 4

Type: Journal article (Peer reviewed)

Status: Published | Year: 2022 | DOI: https://doi.org/10.1116/5.0106099

Magnetic Sensing with Large Ensembles of Nitrogen-Vacancy Centers in Diamond

Clement, Joshua David

Type: Ph.D. thesis

Status: Published | Year: 2022

Maximum-confidence measurement for qubit states

Lee, Hanwool ; Flatt, Kieran ; Roch I Carceller, Carles ; Brask, Jonatan Bohr ; Bae, Joonwoo
in: Physical Review A, vol: 106, issue: 3

Type: Journal article (Peer reviewed)

Status: Published | Year: 2022 | DOI: https://doi.org/10.1103/PhysRevA.106.032422

Measurement based photonic quantum computing system

Larsen, Mikkel Vilsbøll ; Neergaard-Nielsen, Jonas Schou ; Andersen, Ulrik Lund
Patent no.: WO2022148839, Date: 2021-01-08

Type: Patent

Status: Published | Year: 2022

Modulation leakage-free continuous-variable quantum key distribution

Hajomer, Adnan A.E. ; Jain, Nitin ; Mani, Hossein ; Chin, Hou Man ; Andersen, Ulrik L. ; Gehring, Tobias
in: npj Quantum Information, vol: 8

Type: Journal article (Peer reviewed)

Status: Published | Year: 2022 | DOI: https://doi.org/10.1038/s41534-022-00640-1

Modulator vulnerability in continuous-variable quantum key distribution

Jain, Nitin ; Derkach, Ivan ; Chin, Hou Man ; Filip, Radim ; Andersen, Ulrik L. ; Usenko, Vladyslav C. ; Gehring, Tobias
part of: Proceedings of SPIE, 2023
Presented at: SPIE Security + Defence 2022

Type: Article in proceedings (Peer reviewed)

Status: Published | Year: 2022 | DOI: https://doi.org/10.1117/12.2638795

Noise-assisted variational quantum thermalization

Foldager, Jonathan ; Pesah, Arthur ; Hansen, Lars Kai
in: Scientific Reports, vol: 12, issue: 1

Type: Journal article (Peer reviewed)

Status: Published | Year: 2022 | DOI: https://doi.org/10.1038/s41598-022-07296-z

Observation of Kerr Effects in On-Chip Optical Parametric Oscillators

Kögler, Roger A. ; Rickli, Gabriel C. ; Domeneguetti, Renato R. ; Ji, Xingchen ; Gaeta, Alexander L. ; Lipson, Michal ; Martinelli, Marcelo ; Nussenzveig, Paulo A.
in: Optica, vol: QW2A
Presented at: Quantum 2.0 Conference and Exhibition 2022

Type: Conference article (Peer reviewed)

Status: Published | Year: 2022

Operational nonclassicality in minimal autonomous thermal machines

Bohr Brask, Jonatan ; Clivaz, Fabien ; Haack, Géraldine ; Tavakoli, Armin
in: Quantum, vol: 6

Type: Journal article (Peer reviewed)

Status: Published | Year: 2022 | DOI: https://doi.org/10.22331/q-2022-03-22-672

Optimal control of a nitrogen-vacancy spin ensemble in diamond for sensing in the pulsed domain

Poulsen, Andreas F.L. ; Clement, Joshua D. ; Webb, James L. ; Jensen, Rasmus H. ; Troise, Luca ; Berg-Sorensen, Kirstine ; Huck, Alexander ; Andersen, Ulrik Lund
in: Physical Review B, vol: 106

Type: Journal article (Peer reviewed)

Status: Published | Year: 2022 | DOI: https://doi.org/10.1103/PhysRevB.106.014202

Opto-acoustic Coupling in a Pristine Crystal via Brillouin Scattering

Nielsen, Sissel Bay

Type: Ph.D. thesis

Status: Published | Year: 2022

Photophysics of Germanium-Vacancy centers in Diamond

Bergamin, Maxime

Type: Ph.D. thesis

Status: Published | Year: 2022

Practical continuous-variable quantum key distribution with composable security

Jain, Nitin ; Chin, Hou Man ; Mani, Hossein ; Lupo, Cosmo ; Nikolic, Dino Solar ; Kordts, Arne ; Pirandola, Stefano ; Pedersen, Thomas Brochmann ; Kolb, Matthias ; Ömer, Bernhard ; Pacher, Christoph ; Gehring, Tobias ; Andersen, Ulrik L.
in: Nature Communications, vol: 13, issue: 1

Type: Journal article (Peer reviewed)

Status: Published | Year: 2022 | DOI: https://doi.org/10.1038/s41467-022-32161-y

Practical Network Encryption with Quantum Cryptographic Keys

Jain, Nitin ; Bidstrup, Erik ; Chin, Hou-Man ; Mani, Hossein ; Hajomer, Adnan A.E. ; Andersen, Ulrik L. ; Gehring, Tobias
part of: Proceedings of 2022 European Conference on Optical Communication (ECOC), 2022
Presented at: 2022 European Conference on Optical Communication

Type: Article in proceedings (Peer reviewed)

Status: Published | Year: 2022

Protocol for Generating Optical Gottesman-Kitaev-Preskill States with Cavity QED

Hastrup, Jacob ; Andersen, Ulrik L.
in: Physical Review Letters, vol: 128, issue: 17

Type: Journal article (Peer reviewed)

Status: Published | Year: 2022 | DOI: https://doi.org/10.1103/PhysRevLett.128.170503

qTReX: A semi-autonomous continuous-variable quantum key distribution system

Jain, Nitin ; Chin, Hou Man ; Mani, Hossein ; Bidstrup, Erik ; Andersen, Ulrik L. ; Gehring, Tobias
Presented at: 2022 Optical Fiber Communications Conference and Exhibition

Type: Conference abstract for conference (Peer reviewed)

Status: Published | Year: 2022 | DOI: https://doi.org/10.1364/OFC.2022.M3Z.2

Quadrature imbalance compensation in CV-QKD

Hajomer, Adnan A.E. ; Jain, Nitin ; Chin, Hou Man ; Andersen, Ulrik L. ; Gehring, Tobias
part of: Proceedings of Conference on Lasers and Electro-Optics, 2022
Presented at: 2022 CLEO Conference on Lasers and Electro-Optics

Type: Article in proceedings (Peer reviewed)

Status: Published | Year: 2022 | DOI: https://doi.org/10.1364/CLEO_QELS.2022.FTu4A.6

Quantum-enhanced stimulated Raman scattering

Bruzaca de Andrade, Rayssa ; Gehring, Tobias ; Andersen, Ulrik Lund
part of: Stimulated Raman Scattering Microscopy, pages: 165-177, 2022

Type: Book chapter (Peer reviewed)

Status: Published | Year: 2022 | DOI: https://doi.org/10.1016/B978-0-323-85158-9.00033-6

Quantum vs Noncontextual Semi-Device-Independent Randomness Certification

Roch I Carceller, Carles ; Flatt, Kieran ; Lee, Hanwool ; Bae, Joonwoo ; Brask, Jonatan Bohr
in: Physical Review Letters, vol: 129, issue: 5

Type: Journal article (Peer reviewed)

Status: Published | Year: 2022 | DOI: https://doi.org/10.1103/PhysRevLett.129.050501

Sensing of Biomagnetic Activity from Mammalian Tissues Using a Diamond Quantum Sensor

Troise, Luca ; Webb, James ; Hansen, Nikolaj Winther ; Olsson, Christoffer ; Pfau, Teresa Klara ; Tomasevic, Leo ; Brinza, Ovidiu ; Achard, Jocelyn ; Staacke, Robert ; Kieschnick, Michael ; Meijer, Jan ; Thielscher, Axel ; Siebner, Hartwig Roman ; Perrier, Jean Francois ; Berg-Sørensen, Kirstine ; Huck, Alexander ; Andersen, Ulrik Lund
part of: Proceedings in Optical Sensors and Sensing Congress , 2022
Presented at: Optical Sensors 2022

Type: Article in proceedings (Peer reviewed)

Status: Published | Year: 2022 | DOI: https://doi.org/10.1364/SENSORS.2022.SM4C.2

Slowing quantum decoherence of oscillators by hybrid processing

Park, Kimin ; Hastrup, Jacob ; Neergaard-Nielsen, Jonas Schou ; Brask, Jonatan Bohr ; Filip, Radim ; Andersen, Ulrik L.
in: npj Quantum Information, vol: 8

Type: Journal article (Peer reviewed)

Status: Published | Year: 2022 | DOI: https://doi.org/10.1038/s41534-022-00577-5

Steering-based randomness certification with squeezed states and homodyne measurements

Ioannou, Marie ; Longstaff, Bradley ; Larsen, Mikkel V. ; Neergaard-Nielsen, Jonas S. ; Andersen, Ulrik L. ; Cavalcanti, Daniel ; Brunner, Nicolas ; Brask, Jonatan Bohr
in: Physical Review A, vol: 106, issue: 4

Type: Journal article (Peer reviewed)

Status: Published | Year: 2022 | DOI: https://doi.org/10.1103/PhysRevA.106.042414

Universal Unitary Transfer of Continuous-Variable Quantum States into a Few Qubits

Hastrup, Jacob ; Park, Kimin ; Brask, Jonatan Bohr ; Filip, Radim ; Andersen, Ulrik Lund
in: Physical Review Letters, vol: 128, issue: 11

Type: Journal article (Peer reviewed)

Status: Published | Year: 2022 | DOI: https://doi.org/10.1103/PhysRevLett.128.110503

Adaptive Generalized Measurement for Unambiguous State Discrimination of Quaternary Phase-Shift-Keying Coherent States

Izumi, Shuro ; Neergaard-Nielsen, Jonas S. ; Andersen, Ulrik L.
in: PRX Quantum, vol: 2, issue: 2

Type: Journal article (Peer reviewed)

Status: Published | Year: 2021 | DOI: https://doi.org/10.1103/PRXQuantum.2.020305

Advancing Stimulated Raman Scattering spectroscopy using Squeezed Light

De Andrade, Rayssa B. ; Berg-Sorensen, Kirstine ; Gehring, Tobias ; Andersen, Ulrik L.
part of: Proceedings of 2021 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference (CLEO/Europe-EQEC 2021), 2021
Presented at: 2021 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published | Year: 2021 | DOI: https://doi.org/10.1109/CLEO/Europe-EQEC52157.2021.9542798

A quantum random number generator

Gehring, Tobias ; Andersen, Ulrik
Patent no.: WO2021094606, Date: 2020-11-16

Type: Patent

Status: Published | Year: 2021

A step closer to optical quantum computers

Andersen, Ulrik Lund
in: Nature, vol: 591, issue: 7848, pages: 40-41

Type: Journal article (Peer reviewed)

Status: Published | Year: 2021

Biomagnetic Sensing with Nitrogen-Vacancy Centers in Diamonds

Troise, Luca

Type: Ph.D. thesis

Status: Published | Year: 2021

Charge-Noise Insensitive Chiral Photonic Interface for Waveguide Circuit QED

Zhang, Yu Xiang ; I Carceller, Carles R. ; Kjaergaard, Morten ; Sørensen, Anders S.
in: Physical Review Letters, vol: 127, issue: 23

Type: Journal article (Peer reviewed)

Status: Published | Year: 2021 | DOI: https://doi.org/10.1103/PhysRevLett.127.233601

Continuous Variable Cluster State Computation

Larsen, Mikkel Vilsbøll

Type: Ph.D. thesis

Status: Published | Year: 2021

Continuous Variable Cluster State Computation

Larsen, Mikkel V. ; Neergaard-Nielsen, Jonas S. ; Andersen, Ulrik L.
part of: 2021 Conference on Lasers and Electro-Optics, CLEO 2021 - Proceedings, 2021
Presented at: 2021 Conference on Lasers and Electro-Optics (CLEO)

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published | Year: 2021

Continuous-variable quantum codes for fault-tolerant quantum information processing

Hastrup, Jacob

Type: Ph.D. thesis

Status: Published | Year: 2021

Detection of biological signals from a live mammalian muscle using an early stage diamond quantum sensor

Webb, James Luke ; Troise, Luca ; Hansen, Nikolaj Winther ; Olsson, Christoffer ; Wojciechowski, Adam M. ; Achard, Jocelyn ; Brinza, Ovidiu ; Staacke, Robert ; Kieschnick, Michael ; Meijer, Jan ; Thielscher, Axel ; Perrier, Jean François ; Berg-Sørensen, Kirstine ; Huck, Alexander ; Andersen, Ulrik Lund
in: Scientific Reports, vol: 11, issue: 1

Type: Journal article (Peer reviewed)

Status: Published | Year: 2021 | DOI: https://doi.org/10.1038/s41598-021-81828-x

Deterministic multi-mode gates on a scalable photonic quantum computing platform

Larsen, Mikkel V. ; Guo, Xueshi ; Breum, Casper R. ; Neergaard-Nielsen, Jonas S. ; Andersen, Ulrik L.
in: Nature Physics, vol: 17, issue: 9, pages: 1018-1023

Type: Journal article (Peer reviewed)

Status: Published | Year: 2021 | DOI: https://doi.org/10.1038/s41567-021-01296-y

Development of ultra-high quality mechanical oscillators

Høj, Dennis

Type: Ph.D. thesis

Status: Published | Year: 2021

Environment-assisted bosonic quantum communications

Pirandola, Stefano ; Ottaviani, Carlo ; Jacobsen, Christian S. ; Spedalieri, Gaetana ; Braunstein, Samuel L. ; Gehring, Tobias ; Andersen, Ulrik L.
in: npj Quantum Information, vol: 7, issue: 1

Type: Journal article (Peer reviewed)

Status: Published | Year: 2021 | DOI: https://doi.org/10.1038/s41534-021-00413-2

Fault-Tolerant Continuous-Variable Measurement-based Quantum Computation Architecture

Larsen, Mikkel V. ; Chamberland, Christopher ; Noh, Kyungjoo ; Neergaard-Nielsen, Jonas S. ; Andersen, Ulrik L.
in: PRX Quantum, vol: 2, issue: 3

Type: Journal article (Peer reviewed)

Status: Published | Year: 2021 | DOI: https://doi.org/10.1103/PRXQuantum.2.030325

Feedback cooling of a trampoline in a high-finesse cavity from room temperature

Manetta, Angelo ; Haghighi, Iman Moaddel ; Hoj, Dennis ; van der Heijden, Joost ; Hoff, Ulrich Busk ; Andersen, Ulrik Lund
part of: Proceedings of 2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference, 2021
Presented at: 2021 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published | Year: 2021 | DOI: https://doi.org/10.1109/CLEO/Europe-EQEC52157.2021.9541742

Fluid-structure interactions enable passive flow control in real and biomimetic plants

Park, Keunhwan ; Tixier, Aude ; Paludan, Magnus ; Østergaard, Emil ; Zwieniecki, Maciej ; Jensen, Kaare H.
in: Physical Review Fluids, vol: 6, issue: 12

Type: Journal article (Peer reviewed)

Status: Published | Year: 2021 | DOI: https://doi.org/10.1103/PhysRevFluids.6.123102

Generation and Application of Squeezed States of Light in Quantum Sensing

Nielsen, Jens Arnbak Holbøll

Type: Ph.D. thesis

Status: Published | Year: 2021

Genetic risk for subjective reports of insomnia associate only weakly with polygraphic measures of insomnia in 2,770 adults

Foldager, Jonathan ; Peppard, Paul E ; Hagen, Erika W ; Stone, Katie L ; Evans, Daniel S ; Tranah, Gregory J ; Sørensen, Helge ; Jennum, Poul ; Mignot, Emmanuel ; Schneider, Logan
in: The Journal of Clinical Sleep Medicine, vol: 18, issue: 1

Type: Journal article (Peer reviewed)

Status: Published | Year: 2021 | DOI: https://doi.org/10.5664/jcsm.9468

Highly sensitive quantum magnetometry using Nitrogen-Vacancy centers in diamond

Poulsen, Andreas Feldt Lomholt

Type: Ph.D. thesis

Status: Published | Year: 2021

Homodyne-based quantum random number generator at 2.9 Gbps secure against quantum side-information

Gehring, Tobias ; Lupo, Cosmo ; Kordts, Arne ; Solar Nikolic, Dino ; Jain, Nitin ; Rydberg, Tobias ; Pedersen, Thomas B. ; Pirandola, Stefano ; Andersen, Ulrik L.
in: Nature Communications, vol: 12, issue: 1

Type: Journal article (Peer reviewed)

Status: Published | Year: 2021 | DOI: https://doi.org/10.1038/s41467-020-20813-w

Improved readout of qubit-coupled Gottesman–Kitaev–Preskill states

Hastrup, Jacob ; Andersen, Ulrik Lund
in: Quantum Science and Technology, vol: 6, issue: 3

Type: Journal article (Peer reviewed)

Status: Published | Year: 2021 | DOI: https://doi.org/10.1088/2058-9565/ac070d

Interplay of crystal thickness and in-plane anisotropy and evolution of quasi-one-dimensional electronic character in

Hart, Lewis S. ; Gunasekera, Surani M. ; Mucha-Kruczyński, Marcin ; Webb, James L. ; Avila, José ; Asensio, María C. ; Wolverson, Daniel
in: Physical Review B, vol: 104, issue: 3

Type: Journal article (Peer reviewed)

Status: Published | Year: 2021 | DOI: https://doi.org/10.1103/PhysRevB.104.035421

In-vitro Recordings of Neural Magnetic Activity From the Auditory Brainstem Using Color Centers in Diamond

Karadas, Mürsel ; Olsson, Christoffer ; Winther Hansen, Nikolaj ; Perrier, Jean François ; Webb, James Luke ; Huck, Alexander ; Andersen, Ulrik Lund ; Thielscher, Axel
in: Frontiers in Neuroscience, vol: 15

Type: Journal article (Peer reviewed)

Status: Published | Year: 2021 | DOI: https://doi.org/10.3389/fnins.2021.643614

Laser threshold magnetometry using green-light absorption by diamond nitrogen vacancies in an external cavity laser

Webb, James L. ; Poulsen, Andreas F.L. ; Staacke, Robert ; Meijer, Jan ; Berg-Sørensen, Kirstine ; Andersen, Ulrik Lund ; Huck, Alexander
in: Physical Review A, vol: 103, issue: 6

Type: Journal article (Peer reviewed)

Status: Published | Year: 2021 | DOI: https://doi.org/10.1103/PhysRevA.103.062603

Limit of Gaussian operations and measurements for Gaussian state discrimination and its application to state comparison

Roberson, David E. ; Izumi, Shuro ; Roga, Wojciech ; Neergaard-Nielsen, Jonas S. ; Takeoka, Masahiro ; Andersen, Ulrik L.
in: Physical Review A, vol: 103, issue: 2

Type: Journal article (Peer reviewed)

Status: Published | Year: 2021 | DOI: https://doi.org/10.1103/PhysRevA.103.022423

Machine learning aided carrier recovery in continuous-variable quantum key distribution

Chin, Hou Man ; Jain, Nitin ; Zibar, Darko ; Andersen, Ulrik L. ; Gehring, Tobias
in: npj Quantum Information, vol: 7, issue: 1

Type: Journal article (Peer reviewed)

Status: Published | Year: 2021 | DOI: https://doi.org/10.1038/s41534-021-00361-x

Magnetic Field Mapping Around Individual Magnetic Nanoparticle Agglomerates Using Nitrogen-Vacancy Centers in Diamond

Camarneiro, Filipe ; Bocquel, Juanita ; Gallo, Juan ; Bañobre-López, Manuel ; Berg-Sørensen, Kirstine ; Andersen, Ulrik Lund ; Huck, Alexander ; Nieder, Jana B.
in: Particle and Particle Systems Characterization, vol: 38, issue: 8

Type: Journal article (Peer reviewed)

Status: Published | Year: 2021 | DOI: https://doi.org/10.1002/ppsc.202100011

Measurement-free preparation of grid states

Hastrup, Jacob ; Park, Kimin ; Brask, Jonatan Bohr ; Filip, Radim ; Andersen, Ulrik Lund
in: npj Quantum Information, vol: 7, issue: 1

Type: Journal article (Peer reviewed)

Status: Published | Year: 2021 | DOI: https://doi.org/10.1038/s41534-020-00353-3

Modulation leakage vulnerability in continuous-variable quantum key distribution

Jain, Nitin ; Derkach, Ivan ; Chin, Hou Man ; Filip, Radim ; Andersen, Ulrik L. ; Usenko, Vladyslav C. ; Gehring, Tobias
in: Quantum Science and Technology, vol: 6, issue: 4

Type: Journal article (Peer reviewed)

Status: Published | Year: 2021 | DOI: https://doi.org/10.1088/2058-9565/ac0d4c

Multiedge-type low-density parity-check codes for continuous-variable quantum key distribution

Mani, Hossein ; Gehring, Tobias ; Grabenweger, Philipp ; Ömer, Bernhard ; Pacher, Christoph ; Andersen, Ulrik Lund
in: Physical Review A, vol: 103, issue: 6

Type: Journal article (Peer reviewed)

Status: Published | Year: 2021 | DOI: https://doi.org/10.1103/PhysRevA.103.062419

Multiparticle quantum interference in Bogoliubov bosonic transformations

Jabbour, Michael G. ; Cerf, Nicolas J.
in: Physical Review Research, vol: 3, issue: 4

Type: Journal article (Peer reviewed)

Status: Published | Year: 2021 | DOI: https://doi.org/10.1103/PhysRevResearch.3.043065

Nitrogen-vacancy defect emission spectra in the vicinity of an adjustable silver mirror

Israelsen, Niels Møller ; Radko, Ilya P. ; Raatz, Nicole ; Meijer, J ; Andersen, Ulrik Lund ; Huck, Alexander
in: Materials for Quantum Technology, vol: 1, issue: 1

Type: Journal article (Peer reviewed)

Status: Published | Year: 2021 | DOI: https://doi.org/10.1088/2633-4356/abaa2f

Nonlinear waveguides for integrated quantum light source

Domeneguetti, Renato R. ; Conradi, Hauke ; Kleinert, Moritz ; Kießler, Christian ; Stefszky, Michael ; Herrmann, Harald ; Silberhorn, Christine ; Andersen, Ulrik L. ; Neergaard-Nielsen, Jonas Schou ; Gehring, Tobias
part of: Proceedings of E2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference, 2021
Presented at: 2021 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published | Year: 2021 | DOI: https://doi.org/10.1109/CLEO/Europe-EQEC52157.2021.9542548

Optical Investigation of GeV Center in Diamond Observation of Energy Level Fluctuations and Blinking

Bergamin, M. ; Raquena, D. A. ; Radko, I. ; Janitz, E. ; Childress, L. ; Huck, A. ; Andersen, U. L.
in: Optica, vol: Th2C
Presented at: Conference on Quantum Information and Measurement

Type: Conference article (Peer reviewed)

Status: Published | Year: 2021

Optimal Quantum Thermometry with Coarse-Grained Measurements

Hovhannisyan, Karen V. ; Jørgensen, Mathias R. ; Landi, Gabriel T. ; Alhambra, Álvaro M. ; Brask, Jonatan B. ; Perarnau-Llobet, Martí
in: PRX Quantum, vol: 2, issue: 2

Type: Journal article (Peer reviewed)

Status: Published | Year: 2021 | DOI: https://doi.org/10.1103/PRXQuantum.2.020322

Quantum Receiver for Phase-Shift Keying at the Single-Photon Level

Sidhu, Jasminder S. ; Izumi, Shuro ; Neergaard-Nielsen, Jonas S. ; Lupo, Cosmo ; Andersen, Ulrik L.
in: PRX Quantum, vol: 2, issue: 1

Type: Journal article (Peer reviewed)

Status: Published | Year: 2021 | DOI: https://doi.org/10.1103/PRXQuantum.2.010332

Qubit Registers for Noiseless Amplification

Bjerrum, Anders J.E. ; Brask, Jonatan B. ; Andersen, Ulrik L.
in: Optica, vol: Th3A
Presented at: Conference on Quantum Information and Measurement

Type: Conference article (Peer reviewed)

Status: Published | Year: 2021

Simulated clustering dynamics of colloidal magnetic nanoparticles

Durhuus, Frederik Laust ; Wandall, Lau Halkier ; Boisen, Mathias Hoeg ; Kure, Mathias ; Beleggia, Marco ; Frandsen, Cathrine
in: Nanoscale, vol: 13, pages: 1970-1981

Type: Journal article (Peer reviewed)

Status: Published | Year: 2021 | DOI: https://doi.org/10.1039/d0nr08561h

Tomography of a feedback measurement with photon detection

Izumi, Shuro ; Neergaard-Nielsen, Jonas S. ; Andersen, Ulrik L.
part of: Proceedings of 2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC), 2021
Presented at: 2021 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published | Year: 2021 | DOI: https://doi.org/10.1109/CLEO/Europe-EQEC52157.2021.9542297

Transmission and Detection of Squeezed States of Light through an Optical Fiber with a Real-time True Local Oscillator

Suleiman, Iyad ; Arnbak, Jens ; Guo, Xueshi ; Neergaard-Nielsen, Jonas ; Gehring, Tobias ; Andersen, Ulrik Lund
part of: Proceedings of 2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC), 2021
Presented at: 2021 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference

Type: Article in proceedings (Peer reviewed)

Status: Published | Year: 2021 | DOI: https://doi.org/10.1109/CLEO/Europe-EQEC52157.2021.9542141

Ultimate precision bounds on quantum thermometry

Jørgensen, Mathias Rønnow

Type: Ph.D. thesis

Status: Published | Year: 2021

Ultra-coherent fundamental mode mechanical resonators designed using topology optimization

Hoj, Dennis ; Gao, Wenjun ; Wang, Fengwen ; Hoff, Ulrich Busk ; Sigmund, Ole ; Andersen, Ulrik Lund
part of: Conference on Lasers and Electro-Optics - Proceedings, 2021
Presented at: 2021 Conference on Lasers and Electro-Optics (CLEO)

Type: Article in proceedings (Peer reviewed)

Status: Published | Year: 2021

Ultra-coherent nanomechanical resonators based on inverse design

Høj, Dennis ; Wang, Fengwen ; Gao, Wenjun ; Hoff, Ulrich Busk ; Sigmund, Ole ; Andersen, Ulrik Lund
in: Nature Communications, vol: 12

Type: Journal article (Peer reviewed)

Status: Published | Year: 2021 | DOI: https://doi.org/10.1038/s41467-021-26102-4

Unconditional Preparation of Squeezed Vacuum from Rabi Interactions

Hastrup, Jacob ; Park, Kimin ; Filip, Radim ; Andersen, Ulrik Lund
in: Physical Review Letters, vol: 126, issue: 15

Type: Journal article (Peer reviewed)

Status: Published | Year: 2021 | DOI: https://doi.org/10.1103/PhysRevLett.126.153602

Unsuitability of cubic phase gates for non-Clifford operations on Gottesman-Kitaev-Preskill states

Hastrup, Jacob ; Larsen, Mikkel V. ; Neergaard-Nielsen, Jonas S. ; Menicucci, Nicolas C. ; Andersen, Ulrik L.
in: Physical Review A, vol: 103, issue: 3

Type: Journal article (Peer reviewed)

Status: Published | Year: 2021 | DOI: https://doi.org/10.1103/PhysRevA.103.032409

Advances in Quantum Cryptography

Pirandola, S. ; Andersen, U. L. ; Banchi, L. ; Berta, M. ; Bunandar, D. ; Colbeck, R. ; Englund, D. ; Gehring, Tobias ; Lupo, C. ; Ottaviani, C. ; Pereira, J. ; Razavi, M. ; Shaari, J. S. ; Tomamichel, M. ; Usenko, V. C. ; Vallone, G. ; Villoresi, P. ; Wallden, P.
in: Advances in Optics and Photonics, vol: 12, issue: 4, pages: 1012-1097

Type: Review (Peer reviewed)

Status: Published | Year: 2020 | DOI: https://doi.org/10.1364/AOP.361502

Advancing classical and quantum communication systems with machine learning

Zibar, Darko ; Moura, Uiara Celine de ; Chin, Hou-Man ; Brusin, Ann M. Rosa ; Jain, Nitin ; Da Ros, Francesco ; Kleis, Sebastian ; Schaeffer, C. ; Gehring, Tobias ; Andersen, Ulrik Lund ; Carena, Andrea
part of: Optical Fiber Communication Conference 2020, 2020
Presented at: Optical Fiber Communication Conference 2020

Type: Article in proceedings (Peer reviewed)

Status: Published | Year: 2020 | DOI: https://doi.org/10.1364/OFC.2020.W1K.1

All-optical charging and charge transport in quantum dots

Hastrup, Jacob ; Leandro, Lorenzo ; Akopian, Nika
in: Scientific Reports, vol: 10, issue: 1

Type: Journal article (Peer reviewed)

Status: Published | Year: 2020 | DOI: https://doi.org/10.1038/s41598-020-71601-x

A machine-learning framework for robust and reliable prediction of short- and long-term treatment response in initially antipsychotic-naïve schizophrenia patients based on multimodal neuropsychiatric data

Ambrosen, Karen S. ; Skjerbæk, Martin W. ; Foldager, Jonathan ; Axelsen, Martin C. ; Bak, Nikolaj ; Arvastson, Lars ; Christensen, Søren R. ; Johansen, Louise B. ; Raghava, Jayachandra M. ; Oranje, Bob ; Rostrup, Egill ; Nielsen, Mette ; Osler, Merete ; Fagerlund, Birgitte ; Pantelis, Christos ; Kinon, Bruce J. ; Glenthøj, Birte Y. ; Hansen, Lars K. ; Ebdrup, Bjørn H.
in: Translational Psychiatry, vol: 10, issue: 1, pages: S34–S35
Presented at: 2020 Schizophrenia International Research Society Conference

Type: Journal article (Peer reviewed)

Status: Published | Year: 2020 | DOI: https://doi.org/10.1038/s41398-020-00962-8