Publications

Coupling single emitters to quantum plasmonic circuits

Huck, Alexander ; Andersen, Ulrik Lund
in: Nanophotonics, vol: 5, issue: 3, pages: 483-495

Type: Journal article (Peer reviewed)

Status: Published | Year: 2016 | DOI: https://doi.org/10.1515/nanoph-2015-0153

Determining the internal quantum efficiency of shallow-implanted nitrogen-vacancy defects in bulk diamond

Radko, Ilya ; Boll, Mads ; Israelsen, Niels Møller ; Raatz, Nicole ; Meijer, Jan ; Jelezko, Fedor ; Andersen, Ulrik Lund ; Huck, Alexander
in: Optics Express, vol: 24, issue: 24, pages: 27715-27725

Type: Journal article (Peer reviewed)

Status: Published | Year: 2016 | DOI: https://doi.org/10.1364/OE.24.027715

Frequency tuning of single photons from a whispering-gallery mode resonator to MHz-wide transitions

Schunk, G. ; Vogl, U. ; Sedlmeir, F. ; Strekalov, D. V. ; Otterpohl, A. ; Averchenko, V. ; Schwefel, H. G L ; Leuchs, G. ; Marquardt, Christoph
in: Journal of Modern Optics, vol: 63, issue: 20, pages: 2058-2073

Type: Journal article (Peer reviewed)

Status: Published | Year: 2016 | DOI: https://doi.org/10.1080/09500340.2016.1148211

Heralded source of bright multi-mode mesoscopic sub-Poissonian light

Iskhakov, Timur ; Usenko, V. C. ; Andersen, Ulrik Lund ; Filip, R. ; Chekhova, M. V. ; Leuchs, G.
in: Optics Letters, vol: 41, issue: 10, pages: 2149-2152

Type: Journal article (Peer reviewed)

Status: Published | Year: 2016 | DOI: https://doi.org/10.1364/OL.41.002149

Maximum modulation of plasmon-guided modes by graphene gating

Radko, Ilya ; Bozhevolnyi, Sergey I. ; Grigorenko, Alexander N.
in: Optics Express, vol: 24, issue: 8, pages: 8266-8279

Type: Journal article (Peer reviewed)

Status: Published | Year: 2016 | DOI: https://doi.org/10.1364/OE.24.008266

Measurement-Induced Macroscopic Superposition States in Cavity Optomechanics

Hoff, Ulrich Busk ; Kollath-Bönig, Johann ; Neergaard-Nielsen, Jonas Schou ; Andersen, Ulrik Lund
in: Physical Review Letters, vol: 117

Type: Journal article (Peer reviewed)

Status: Published | Year: 2016 | DOI: https://doi.org/10.1103/PhysRevLett.117.143601

Mesoscopic current transport in two-dimensional materials with grain boundaries: Four-point probe resistance and Hall effect

Lotz, Mikkel Rønne ; Boll, Mads ; Østerberg, Frederik Westergaard ; Hansen, Ole ; Petersen, Dirch Hjorth
in: Journal of Applied Physics, vol: 120, issue: 13

Type: Journal article (Peer reviewed)

Status: Published | Year: 2016 | DOI: https://doi.org/10.1063/1.4963719

Nanodiamonds carrying silicon-vacancy quantum emitters with almost lifetime-limited linewidths

Jantzen, Uwe ; Kurz, Andrea B. ; Rudnicki, Daniel S. ; Schäfermeier, Clemens ; Jahnke, Kay D. ; Andersen, Ulrik Lund ; Davydov, Valery A. ; Agafonov, Viatcheslav N. ; Kubanek, Alexander ; Rogers, Lachlan J. ; Jelezko, Fedor
in: New Journal of Physics, vol: 18, issue: 7

Type: Journal article (Peer reviewed)

Status: Published | Year: 2016 | DOI: https://doi.org/10.1088/1367-2630/18/7/073036

Optical characterization of directly deposited graphene on a dielectric substrate

Kaplas, Tommi ; Karvonen, Lasse ; Ahmadi, Sepehr ; Amirsolaimani, Babak ; Mehravar, Soroush ; Peyghambarian, Nasser ; Kieu, Khanh ; Honkanen, Seppo ; Lipsanen, Harri ; Svirko, Yuri
in: Optics Express, vol: 24, issue: 3, pages: 2965-2970

Type: Journal article (Peer reviewed)

Status: Published | Year: 2016 | DOI: https://doi.org/10.1364/OE.24.002965

Parsing polarization squeezing into Fock layers

Mueller, Christian R. ; Madsen, Lars Skovgaard ; Klimov, Andrei B. ; Sanchez-Soto, Luis L. ; Leuchs, Gerd ; Marquardt, Christoph ; Andersen, Ulrik Lund
in: Physical Review A, vol: 93, issue: 3

Type: Journal article (Peer reviewed)

Status: Published | Year: 2016 | DOI: https://doi.org/10.1103/PhysRevA.93.033816

Phase measurements exhibiting super sensitivity and super resolution features

Schäfermeier, Clemens ; Jezek, Miroslav ; Gehring, Tobias ; Andersen, Ulrik Lund
part of: 2016 Conference on Lasers and Electro-optics, pages: 1-2, 2016, I E E E
Presented at: Conference on Lasers and Electro-Optics 2016

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published | Year: 2016

Quantum enhanced optical sensing

Schäfermeier, Clemens

Type: Ph.D. thesis

Status: Published | Year: 2016

Quantum Information Protocols with Gaussian States of Light

Jacobsen, Christian Scheffmann

Type: Ph.D. thesis

Status: Published | Year: 2016

Random-phase metasurfaces at optical wavelengths

Pors, Anders ; Ding, Fei ; Chen, Yiting ; Radko, Ilya ; Bozhevolnyi, Sergey I.
in: Scientific Reports, vol: 6

Type: Journal article (Peer reviewed)

Status: Published | Year: 2016 | DOI: https://doi.org/10.1038/srep28448

Single-quadrature continuous-variable quantum key distribution

Gehring, Tobias ; Jacobsen, Christian Scheffmann ; Andersen, Ulrik Lund
in: Quantum Information & Computation, vol: 16, issue: 13-14, pages: 1081-1095

Type: Journal article (Peer reviewed)

Status: Published | Year: 2016

Superconducting Dy_1-x(Gd,Yb)_xBa₂Cu₃O_7-δ thin films made by Chemical Solution Deposition

Opata, Yuri Aparecido ; Wulff, Anders Christian ; Hansen, Jørn Otto Bindslev ; Yue, Zhao ; Grivel, Jean-Claude
in: I E E E Transactions on Applied Superconductivity, vol: 26, issue: 3

Type: Journal article (Peer reviewed)

Status: Published | Year: 2016 | DOI: https://doi.org/10.1109/TASC.2016.2549558

Topology Optimized Components for Mode- and Wavelength Division Multiplexing

Frellsen, Louise Floor

Type: Ph.D. thesis

Status: Published | Year: 2016

Ab initio quantum-enhanced optical phase estimation using real-time feedback control

Berni, Adriano ; Gehring, Tobias ; Nielsen, Bo Melholt ; Händchen, Vitus ; Paris, Matteo G. A. ; Andersen, Ulrik Lund
in: Nature Photonics, vol: 9, issue: 9, pages: 577-582

Type: Journal article (Peer reviewed)

Status: Published | Year: 2015 | DOI: https://doi.org/10.1038/NPHOTON.2015.139

Algebraic and algorithmic frameworks for optimized quantum measurements

Laghaout, Amine ; Andersen, Ulrik Lund
in: Physical Review A, vol: 92, issue: 4

Type: Journal article (Peer reviewed)

Status: Published | Year: 2015 | DOI: https://doi.org/10.1103/physreva.92.042118

Assessments of macroscopicity for quantum optical states

Laghaout, Amine ; Neergaard-Nielsen, Jonas Schou ; Andersen, Ulrik Lund
in: Optics Communications, vol: 337, pages: 96-101

Type: Journal article (Peer reviewed)

Status: Published | Year: 2015 | DOI: https://doi.org/10.1016/j.optcom.2014.07.046

Continuous Variable Quantum Key Distribution with a Noisy Laser

Jacobsen, Christian Scheffmann ; Gehring, Tobias ; Andersen, Ulrik Lund
in: Entropy, vol: 17, pages: 4654-4663

Type: Journal article (Peer reviewed)

Status: Published | Year: 2015 | DOI: https://doi.org/10.3390/e17074654

High-rate measurement-device-independent quantum cryptography

Pirandola, Stefano ; Ottaviani, Carlo ; Spedalieri, Gaetana ; Weedbrook, Christian ; Braunstein, Samuel L. ; Lloyd, Seth ; Gehring, Tobias ; Jacobsen, Christian Scheffmann ; Andersen, Ulrik Lund
in: Nature Photonics, vol: 9, issue: 6, pages: 397-402

Type: Journal article (Peer reviewed)

Status: Published | Year: 2015 | DOI: https://doi.org/10.1038/nphoton.2015.83

Hybrid discrete- and continuous-variable quantum information

Andersen, Ulrik Lund ; Neergaard-Nielsen, Jonas Schou ; van Loock, Peter ; Furusawa, Akira
in: Nature Physics, vol: 11, issue: 9, pages: 713-719

Type: Journal article (Peer reviewed)

Status: Published | Year: 2015 | DOI: https://doi.org/10.1038/nphys3410

Implementation of continuous-variable quantum key distribution with composable and one-sided-device-independent security against coherent attacks

Gehring, Tobias ; Haendchen, Vitus ; Duhme, Joerg ; Furrer, Fabian ; Franz, Torsten ; Pacher, Christoph ; Werner, Reinhard F. ; Schnabel, Roman
in: Nature Communications, vol: 6

Type: Journal article (Peer reviewed)

Status: Published | Year: 2015 | DOI: https://doi.org/10.1038/ncomms9795

Integrated Quantum Optics: Experiments towards integrated quantum-light sources and quantum-enhanced sensing

Hoff, Ulrich Busk

Type: Ph.D. thesis

Status: Published | Year: 2015

Integrated source of broadband quadrature squeezed light

Hoff, Ulrich Busk ; Nielsen, Bo Melholt ; Andersen, Ulrik Lund
in: Optics Express, vol: 23, issue: 9, pages: 12013-12036

Type: Journal article (Peer reviewed)

Status: Published | Year: 2015 | DOI: https://doi.org/10.1364/OE.23.012013

Interfacing transitions of different alkali atoms and telecom bands using one narrowband photon pair source

Schunk, Gerhard ; Vogl, Ulrich ; Strekalov, Dmitry V. ; Förtsch, Michael ; Sedlmeir, Florian ; Schwefel, Harald G L ; Göbelt, Manuela ; Christiansen, Silke ; Leuchs, Gerd ; Marquardt, Christoph
in: Optica, vol: 2, issue: 9, pages: 773-778

Type: Journal article (Peer reviewed)

Status: Published | Year: 2015 | DOI: https://doi.org/10.1364/optica.2.000773

Quantum cryptography with an ideal local relay

Spedalieri, Gaetana ; Ottaviani, Carlo ; Braunstein, Samuel L. ; Gehring, Tobias ; Jacobsen, Christian Scheffmann ; Andersen, Ulrik Lund ; Pirandola, Stefano
part of: Electro-Optical and Infrared Systems: Technology and Applications XII; and Quantum Information Science and Technology, 2016, SPIE - International Society for Optical Engineering
Presented at: Electro-Optical and Infrared Systems: Technology and Applications XII; and Quantum Information Science and Technology

Type: Article in proceedings (Peer reviewed)

Status: Published | Year: 2015 | DOI: https://doi.org/10.1117/12.2202662

Reply to 'Discrete and continuous variables for measurement-device-independent quantum cryptography'

Pirandola, Stefano ; Ottavianil, Carlo ; Spedalieri, Gaetana ; Weedbrook, Christian ; Braunstein, Samuel L. ; Lloyd, Seth ; Gehring, Tobias ; Jacobsen, Christian Scheffmann ; Andersen, Ulrik Lund
in: Nature Photonics, vol: 9, issue: 12, pages: 773-775

Type: Comment/debate (Peer reviewed)

Status: Published | Year: 2015 | DOI: https://doi.org/10.1038/nphoton.2015.207

Squeezing-enhanced feedback cooling of a microresonator

Kerdoncuff, Hugo

Type: Ph.D. thesis

Status: Published | Year: 2015

Squeezing-enhanced measurement sensitivity in a cavity optomechanical system

Kerdoncuff, Hugo ; Hoff, Ulrich Busk ; Harris, Glen I. ; Bowen, Warwick P. ; Andersen, Ulrik Lund
in: Annalen der Physik, vol: 527, issue: 1-2, pages: 107-114

Type: Journal article (Peer reviewed)

Status: Published | Year: 2015 | DOI: https://doi.org/10.1002/andp.201400171

Two level undercut-profile substrate for filamentary YBa₂Cu₃O₇ coated conductors

Wulff, Anders Christian ; Solovyov, M. ; Gömöry, Fedor ; Abrahamsen, Asger Bech ; Mishin, Oleg V. ; Usoskin, A. ; Rutt, A. ; Lundeman, J.H. ; Thydén, Karl Tor Sune ; Hansen, Jørn Otto Bindslev ; Grivel, Jean-Claude
in: Superconductor Science and Technology, vol: 28, issue: 7

Type: Journal article (Peer reviewed)

Status: Published | Year: 2015 | DOI: https://doi.org/10.1088/0953-2048/28/7/072001

Advanced dry etching studies for micro- and nano-systems

Rasmussen, Kristian Hagsted

Type: Ph.D. thesis

Status: Published | Year: 2014

Continuous Variables Quantum Information in Noisy Environments

Berni, Adriano

Type: Ph.D. thesis

Status: Published | Year: 2014

Demonstration of a variable plasmonic beam splitter

Kumar, Shailesh ; Israelsen, Niels Møller ; Andersen, Ulrik Lund ; Huck, Alexander
in: Progress in Biomedical Optics and Imaging, vol: 8997, pages: 89970Y

Type: Conference article (Peer reviewed)

Status: Published | Year: 2014 | DOI: https://doi.org/10.1117/12.2039463

Generation and Controlled Routing of Single Plasmons on a Chip

Kumar, Shailesh ; Israelsen, Niels Møller ; Huck, Alexander ; Andersen, Ulrik Lund
in: Nano letters, vol: 14, issue: 2, pages: 663-669

Type: Journal article (Peer reviewed)

Status: Published | Year: 2014 | DOI: https://doi.org/10.1021/nl403907w

Generation of picosecond pulsed coherent state superpositions

Dong, Ruifang ; Tipsmark, Anders ; Laghaout, Amine ; Krivitsky, Leonid ; Jezek, Miroslav ; Andersen, Ulrik Lund
in: Optical Society of America. Journal B: Optical Physics, vol: 31, issue: 5, pages: 1192-1201

Type: Journal article (Peer reviewed)

Status: Published | Year: 2014 | DOI: https://doi.org/10.1364/JOSAB.31.001192

High-quality MOVPE butt-joint integration of InP/AlGaInAs/InGaAsP-based all-active optical components

Kulkova, Irina ; Kadkhodazadeh, Shima ; Kuznetsova, Nadezda ; Huck, Alexander ; Semenova, Elizaveta ; Yvind, Kresten
in: Journal of Crystal Growth, vol: 243, pages: 243–248

Type: Journal article (Peer reviewed)

Status: Published | Year: 2014 | DOI: https://doi.org/10.1016/j.jcrysgro.2014.06.026

Identifying modes of large whispering-gallery mode resonators from the spectrum and emission pattern

Schunk, Gerhard ; Fuerst, Josef U. ; Förtsch, Michael ; Strekalov, Dmitry V. ; Vogl, Ulrich ; Sedlmeir, Florian ; Schwefel, Harald G. L. ; Leuchs, Gerd ; Marquardt, Christoph
in: Optics Express, vol: 22, issue: 25, pages: 30795-30806

Type: Journal article (Peer reviewed)

Status: Published | Year: 2014 | DOI: https://doi.org/10.1364/OE.22.030795

Increasing the photon collection rate from a single NV center with a silver mirror

Israelsen, Niels Møller ; Kumar, Shailesh ; Tawfieq, Mahmoud ; Neergaard-Nielsen, Jonas Schou ; Huck, Alexander ; Andersen, Ulrik Lund
in: Journal of Optics, vol: 16, issue: 11, pages: 114017

Type: Journal article (Peer reviewed)

Status: Published | Year: 2014 | DOI: https://doi.org/10.1088/2040-8978/16/11/114017

Nanofluidics to Enhance Single Molecule DNA Imaging

Bauer, David L. V. ; Marie, Rodolphe ; Pedersen, Jonas Nyvold ; Rasmussen, Kristian Hagsted ; Yusuf, Mohammed ; Volpi, Emanuela ; Flyvbjerg, Henrik ; Kristensen, Anders ; Mir, Kalim U.
in: BIOPHYSICAL JOURNAL, vol: 106, issue: 2, pages: 395A
Presented at: 58th Annual Meeting of the Biophysical-Society

Type: Conference abstract in journal (Peer reviewed)

Status: Published | Year: 2014

Resonance Energy Transfer in Hybrid Devices in the Presence of a Surface

Kopylov, Oleksii ; Huck, Alexander ; Kadkhodazadeh, Shima ; Yvind, Kresten ; Kardynal, Beata
in: Journal of Physical Chemistry Part C: The Nanomaterials and Interfaces, vol: 118, pages: 16284 − 16289

Type: Journal article (Peer reviewed)

Status: Published | Year: 2014 | DOI: https://doi.org/10.1021/jp5049327

Adaptive phase estimation with squeezed thermal light

Berni, A. A. ; Madsen, Lars Skovgaard ; Lassen, Mikael Østergaard ; Nielsen, Bo Melholt ; Paris, M. G. A. ; Andersen, Ulrik Lund
part of: CLEO/Europe 2013 - European Conference on Lasers and Electro-Optics, 2013
Presented at: 2013 Conference on Lasers & Electro-Optics Europe & the International Quantum Electronics Conference (CLEO/Europe-IQEC)

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published | Year: 2013 | DOI: https://doi.org/10.1109/CLEOE-IQEC.2013.6801233

Amplification of realistic Schrödinger-cat-state-like states by homodyne heralding

Laghaout, Amine ; Neergaard-Nielsen, Jonas S. ; Rigas, Ioannes ; Kragh, Christian ; Tipsmark, Anders ; Andersen, Ulrik L.
in: Physical Review A, vol: 87, issue: 4, pages: 043826

Type: Journal article (Peer reviewed)

Status: Published | Year: 2013 | DOI: https://doi.org/10.1103/PhysRevA.87.043826

Applications of hybrid measurements with discrete and continuous variables

Laghaout, Amine

Type: Ph.D. thesis

Status: Published | Year: 2013

A Variable Single Photon Plasmonic Beamsplitter

Israelsen, Niels Møller ; Kumar, Shailesh ; Huck, Alexander ; Neergaard-Nielsen, Jonas Schou ; Andersen, Ulrik Lund
Presented at: Quantum Information Processing and Communication 2013

Type: Paper (Peer reviewed)

Status: Published | Year: 2013

Coupling of a single quantum emitter to end-to-end aligned silver nanowires

Kumar, Shailesh ; Huck, Alexander ; Chen, Yuntian ; Andersen, Ulrik Lund
in: Applied Physics Letters, vol: 102, issue: 10, pages: 103106

Type: Journal article (Peer reviewed)

Status: Published | Year: 2013 | DOI: https://doi.org/10.1063/1.4795015

Coupling of single quantum emitters to plasmons propagating on mechanically etched wires

Kumar, Shailesh ; Huck, Alexander ; Lu, Ying-Wei ; Andersen, Ulrik Lund
in: Optics Letters, vol: 38, issue: 19, pages: 3838-3841

Type: Journal article (Peer reviewed)

Status: Published | Year: 2013 | DOI: https://doi.org/10.1364/OL.38.003838

Deterministic superresolution with coherent states at the shot noise limit

Distante, Emanuele ; Jezek, Miroslav ; Andersen, Ulrik L.
in: Physical Review Letters, vol: 111, issue: 3, pages: 033603

Type: Journal article (Peer reviewed)

Status: Published | Year: 2013 | DOI: https://doi.org/10.1103/PhysRevLett.111.033603

Displacement-enhanced entanglement distillation of single-mode-squeezed entangled states

Tipsmark, Anders ; Neergaard-Nielsen, Jonas Schou ; Andersen, Ulrik Lund
in: Optics Express, vol: 21, issue: 6, pages: 6670-6680

Type: Journal article (Peer reviewed)

Status: Published | Year: 2013 | DOI: https://doi.org/10.1364/OE.21.006670

Efficient coupling of a single diamond color center to propagating plasmonic gap modes.

Kumar, Shailesh ; Huck, Alexander ; Andersen, Ulrik L
in: Nano Letters, vol: 13, issue: 3, pages: 1221-1225

Type: Journal article (Peer reviewed)

Status: Published | Year: 2013 | DOI: https://doi.org/10.1021/nl304682r

Experimental determination of the degree of polarization of quantum states

Kothe-Termén, Christian ; Madsen, Lars Skovgaard ; Andersen, Ulrik Lund ; Björk, Gunnar
in: Physical Review A, vol: 87, issue: 4, pages: 043814

Type: Journal article (Peer reviewed)

Status: Published | Year: 2013 | DOI: https://doi.org/10.1103/PhysRevA.87.043814

Gaussian Error Correction of Quantum States in a Correlated Noisy Channel

Lassen, Mikael Østergaard ; Berni, Adriano ; Madsen, Lars Skovgaard ; Filip, Radim ; Andersen, Ulrik Lund
in: Physical Review Letters, vol: 111, issue: 18, pages: 180502

Type: Journal article (Peer reviewed)

Status: Published | Year: 2013 | DOI: https://doi.org/10.1103/PhysRevLett.111.180502

Heralded generation of a micro-macro entangled state

Andersen, Ulrik Lund ; Neergaard-Nielsen, Jonas Schou
in: Physical Review A, vol: 88, issue: 2, pages: 022337

Type: Journal article (Peer reviewed)

Status: Published | Year: 2013 | DOI: https://doi.org/10.1103/PhysRevA.88.022337

High-fidelity teleportation of continuous-variable quantum States using delocalized single photons.

Andersen, Ulrik L ; Ralph, Timothy C
in: Physical Review Letters, vol: 111, issue: 5, pages: 050504

Type: Journal article (Peer reviewed)

Status: Published | Year: 2013 | DOI: https://doi.org/10.1103/PhysRevLett.111.050504

Large Optical Nonlinearity of Surface Plasmon Modes on Thin Gold Films

Huck, Alexander ; Witthaut, Dirk ; Kumar, Shailesh ; Sorensen, Anders S. ; Andersen, Ulrik Lund
in: Plasmonics, vol: 8, issue: 4, pages: 1597-1605

Type: Journal article (Peer reviewed)

Status: Published | Year: 2013 | DOI: https://doi.org/10.1007/s11468-013-9576-0

Measurement-induced amplification of optical cat-like states

Laghaout, Amine ; Neergaard-Nielsen, Jonas Schou ; Rigas, J. ; Kragh, Christian ; Tipsmark, Anders ; Andersen, Ulrik Lund
part of: Proceedings of Conference on Lasers and Electro-Optics Europe (CLEO EUROPE) and International Quantum Electronics Conference, 2014
Presented at: Conference on Lasers and Electro-Optics Europe 2013 (CLEO Europe)

Type: Article in proceedings (Peer reviewed)

Status: Published | Year: 2013 | DOI: https://doi.org/10.1109/CLEOE-IQEC.2013.6801670

Numerical Modelling of Spontaneous Emission in Optical Parametric Amplifiers

Friis, Søren Michael Mørk ; Andersen, Ulrik Lund ; Rottwitt, Karsten
part of: 2013 15th International Conference on Transparent Optical Networks (ICTON), pages: Tu.B2.2, 2013, IEEE
Presented at: 15th International Conference on Transparent Optical Networks (ICTON)

Type: Article in proceedings (Peer reviewed)

Status: Published | Year: 2013 | DOI: https://doi.org/10.1109/ICTON.2013.6602790

Quantum-enhanced micromechanical displacement sensitivity

Hoff, Ulrich Busk ; Harris, Glen I. ; Madsen, Lars Skovgaard ; Kerdoncuff, Hugo ; Lassen, Mikael Østergaard ; Nielsen, Bo Melholt ; Bowen, Warwick P. ; Andersen, Ulrik Lund
in: Optics Letters, vol: 38, issue: 9, pages: 1413-1415

Type: Journal article (Peer reviewed)

Status: Published | Year: 2013 | DOI: https://doi.org/10.1364/OL.38.001413

Quantum information processing

Neergaard-Nielsen, Jonas Schou
in: Nature Photonics, vol: 7, issue: 7, pages: 512-513

Type: Journal article (Peer reviewed)

Status: Published | Year: 2013 | DOI: https://doi.org/10.1038/nphoton.2013.169

Quantum optics

Andersen, Ulrik Lund
in: Nature Photonics, vol: 7, issue: 8, pages: 589

Type: Journal article (Peer reviewed)

Status: Published | Year: 2013

Quantum tele-amplification with a continuous-variable superposition state

Neergaard-Nielsen, Jonas S. ; Eto, Yujiro ; Lee, Chang-Woo ; Jeong, Hyunseok ; Sasaki, Masahide
in: Nature Photonics, vol: 7, issue: 6, pages: 439-443

Type: Journal article (Peer reviewed)

Status: Published | Year: 2013 | DOI: https://doi.org/10.1038/nphoton.2013.101

Squeezing-enhanced optomechanical transduction sensitivity

Hoff, Ulrich Busk ; Harris, Glen I. ; Madsen, Lars Skovgaard ; Kerdoncuff, Hugo ; Lassen, Mikael Østergaard ; Nielsen, Bo Melholt ; Bowen, Warwick P. ; Andersen, Ulrik Lund
part of: Proceesings of the Conference on Lasers and Electro-Optics Europe (CLEO EUROPE) and International Quantum Electronics Conference (IQEC), 2014
Presented at: Conference on Lasers and Electro-Optics Europe 2013 (CLEO Europe)

Type: Article in proceedings (Peer reviewed)

Status: Published | Year: 2013 | DOI: https://doi.org/10.1109/CLEOE-IQEC.2013.6801642

Structural and magnetic properties of (NdBa)MnO₃ films on lattice-matched substrates

Khoryushin, Alexey V. ; Mozhaeva, Julia E. ; Mozhaev, Peter B. ; Yurchenko, Vitaliy V. ; Stupakov, Oleksandr ; Pan, Alexey V. ; Jacobsen, Claus S. ; Hansen, Jørn Otto Bindslev
in: Journal of Magnetism and Magnetic Materials, vol: 333, pages: 53-62

Type: Journal article (Peer reviewed)

Status: Published | Year: 2013 | DOI: https://doi.org/10.1016/j.jmmm.2012.12.030

Substrate decoration for improvement of current-carrying capabilities of YBa₂Cu₃O_x thin films

Khoryushin, Alexey ; Mozhaev, Peter ; Mozhaeva, Julia ; Bdikin, Igor K. ; Zhao, Yue ; Andersen, Niels Hessel ; Jacobsen, Claus Schelde ; Hansen, Jørn Otto Bindslev
in: Physica C: Superconductivity and its Applications, vol: 486, pages: 1-8

Type: Journal article (Peer reviewed)

Status: Published | Year: 2013 | DOI: https://doi.org/10.1016/j.physc.2012.12.008

Yttrium-enriched YBa₂Cu₃O_x thin films for coated conductors fabricated by pulsed laser deposition

Khoryushin, Alexey V. ; Mozhaev, Peter B. ; Mozhaeva, Julia E. ; Andersen, Niels Hessel ; Grivel, Jean-Claude ; Hansen, Jørn Otto Bindslev ; Jacobsen, Claus Schelde
in: Physica C: Superconductivity and its Applications, vol: 485, pages: 39-46

Type: Journal article (Peer reviewed)

Status: Published | Year: 2013 | DOI: https://doi.org/10.1016/j.physc.2012.10.010

Central-moment description of polarization for quantum states of light

Björk, G. ; Söderholm, J. ; Kim, Y.-S. ; Ra, Y.-S. ; Lim, H.-T. ; Kothe-Termén, Christian ; Kim, Y.-H. ; Sánchez-Soto, L. L. ; Klimov, A. B.
in: Physical Review A, vol: 85, pages: 053835

Type: Journal article (Peer reviewed)

Status: Published | Year: 2012 | DOI: https://doi.org/10.1103/PhysRevA.85.053835

Continuous variable quantum key distribution with modulated entangled states.

Madsen, Lars S ; Usenko, Vladyslav C. ; Lassen, Mikael ; Filip, Radim ; Andersen, Ulrik L
in: Nature Communications, vol: 3, pages: 1083

Type: Journal article (Peer reviewed)

Status: Published | Year: 2012 | DOI: https://doi.org/10.1038/ncomms2097

Continuous-wave spatial quantum correlations of light induced by multiple scattering

Smolka, Stephan ; Ott, Johan Raunkjær ; Huck, Alexander ; Andersen, Ulrik Lund ; Lodahl, Peter
in: Physical Review A, vol: 86, issue: 3, pages: 033814

Type: Journal article (Peer reviewed)

Status: Published | Year: 2012 | DOI: https://doi.org/10.1103/PhysRevA.86.033814

Coupling of a single nitrogen vacancy center to the gap modes of a dual silver nanowire system

Kumar, Shailesh ; Huck, A. ; Andersen, U. L.
part of: Proceedings of CLEO 2012, 2012
Presented at: Conference on Lasers and Electro-Optics (CLEO 2012)

Type: Article in proceedings (Peer reviewed)

Status: Published | Year: 2012

Deterministic teleportation using single-photon entanglement as a resource

Björk, Gunnar ; Laghaout, Amine ; Andersen, Ulrik L.
in: Physical Review A, vol: 85, issue: 2, pages: 022316

Type: Journal article (Peer reviewed)

Status: Published | Year: 2012 | DOI: https://doi.org/10.1103/PhysRevA.85.022316

Development of all chemical solution derived Ce_0.9La_0.1O_{2 − y}/Gd₂Zr₂O₇ buffer layer stack for coated conductors: influence of the post-annealing process on surface crystallinity

Yue, Zhao ; Li, Xiaofen ; Khoryushin, Alexey ; He, Dong ; Andersen, Niels Hessel ; Hansen, Jørn Bindslev ; Grivel, Jean-Claude
in: Superconductor Science & Technology, vol: 25, issue: 1, pages: 015008

Type: Journal article (Peer reviewed)

Status: Published | Year: 2012 | DOI: https://doi.org/10.1088/0953-2048/25/1/015008

Erratum: Observation of Spatial Quantum Correlations Induced by Multiple Scattering of Nonclassical Light [Phys. Rev. Lett. 102, 193901 (2009)]

Smolka, Stephan ; Huck, Alexander ; Andersen, Ulrik Lund ; Lagendijk, A. ; Lodahl, Peter
in: Physical Review Letters, vol: 109, issue: 25, pages: 259904

Type: Comment/debate (Peer reviewed)

Status: Published | Year: 2012 | DOI: https://doi.org/10.1103/PhysRevLett.109.259904

Experimental Investigation of the Evolution of Gaussian Quantum Discord in an Open System

Madsen, Lars S. ; Berni, Adriano ; Lassen, Mikael ; Andersen, Ulrik L.
in: Physical Review Letters, vol: 109, issue: 3, pages: 030402

Type: Journal article (Peer reviewed)

Status: Published | Year: 2012 | DOI: https://doi.org/10.1103/PhysRevLett.109.030402

Experimental test of the strongly nonclassical character of a noisy squeezed single-photon state

Jezek, M. ; Tipsmark, A. ; Dong, R. ; Fiurásek, J. ; Mista, Jr., L. ; Filip, R. ; Andersen, U. L.
in: Physical Review A, vol: 86, issue: 4, pages: 043813

Type: Journal article (Peer reviewed)

Status: Published | Year: 2012 | DOI: https://doi.org/10.1103/PhysRevA.86.043813

Feedback-enhanced sensitivity in optomechanics

Harris, Glen I. ; Andersen, Ulrik L. ; Knittel, Joachim ; Bowen, Warwick P.
in: Physical Review A, vol: 85, issue: 6, pages: 061802

Type: Journal article (Peer reviewed)

Status: Published | Year: 2012

Four-state discrimination scheme beyond the heterodyne limit

Muller, C. R. ; Castaneda, Mario A. Usuga ; Wittmann, C. ; Takeoka, M. ; Marquardt, C. ; Andersen, U. L. ; Leuchs, G.
part of: Proceedings of CLEO 2012, 2012, Optical Society of America
Presented at: Conference on Lasers and Electro-Optics (CLEO 2012)

Type: Article in proceedings (Peer reviewed)

Status: Published | Year: 2012

Generation of optical coherent state superpositions for quantum information processing

Tipsmark, Anders

Type: Ph.D. thesis

Status: Published | Year: 2012

On quantum amplifiers, quantum discrimination and adaptive phase estimation

Castaneda, Mario A. Usuga

Type: Ph.D. thesis

Status: Published | Year: 2012

Probabilistic cloning of coherent states without a phase reference

Müller, Christian R. ; Wittmann, Christoffer ; Marek, Petr ; Filip, Radim ; Marquardt, Christoph ; Leuchs, Gerd ; Andersen, Ulrik L.
in: Physical Review A, vol: 86, issue: 1, pages: 010305

Type: Journal article (Peer reviewed)

Status: Published | Year: 2012 | DOI: https://doi.org/10.1103/PhysRevA.86.010305

Propagation of plasmons in designed single crystalline silver nanostructures

Kumar, Shailesh ; Lu, Ying-Wei ; Huck, Alexander ; Andersen, Ulrik Lund
in: Optics Express, vol: 20, issue: 22, pages: 24614-24622

Type: Journal article (Peer reviewed)

Status: Published | Year: 2012 | DOI: https://doi.org/10.1364/OE.20.024614

Quadrature phase shift keying coherent state discrimination via a hybrid receiver

Müller, C. R. ; Castaneda, Mario A. Usuga ; Wittmann, C. ; Takeoka, M. ; Marquardt, Ch. ; Andersen, U L ; Leuchs, G.
in: New Journal of Physics, vol: 14, issue: 8, pages: 083009

Type: Journal article (Peer reviewed)

Status: Published | Year: 2012 | DOI: https://doi.org/10.1088/1367-2630/14/8/083009

Quantum information processing with mesoscopic photonic states

Madsen, Lars Skovgaard

Type: Ph.D. thesis

Status: Published | Year: 2012

Quasi-one-dimensional intermittent flux behavior in superconducting films

Qviller, A. J. ; Yurchenko, V. V. ; Galperin, Y. M. ; Vestgården, J. I. ; Mozhaev, Peter ; Hansen, Jørn Bindslev ; Johansen, T. H.
in: Physical Review X, vol: 2, issue: 1, pages: 011007

Type: Journal article (Peer reviewed)

Status: Published | Year: 2012 | DOI: https://doi.org/10.1103/PhysRevX.2.011007

Squeezed light in optomechanical systems

Harris, G. I. ; Taylor, M. A. ; Hoff, Ulrich Busk ; Janousek, J. ; Daria, V. ; Knittel, J. ; Kerdoncuff, Hugo ; Hage, B. ; Andersen, Ulrik Lund ; Bachor, H.-A. ; Bowen, W. P.
part of: Proceedings of Frontiers in Optics (FiO), pages: FW5C.4, 2012, Optical Society of America
Presented at: Frontiers in Optics 2012 (FiO)

Type: Article in proceedings (Peer reviewed)

Status: Published | Year: 2012

The Hall effect in the organic conductor TTF–TCNQ: choice of geometry for accurate measurements of a highly anisotropic system

Tafra, E ; Čulo, M ; Basletić, M ; Korin-Hamzić, B ; Hamzić, A ; Jacobsen, Claus Schelde
in: Journal of Physics: Condensed Matter, vol: 24, issue: 4, pages: 045602

Type: Journal article (Peer reviewed)

Status: Published | Year: 2012 | DOI: https://doi.org/10.1088/0953-8984/24/4/045602

A Course on Applied Superconductivity Shared by Four Departments

Jensen, Bogi Bech ; Abrahamsen, Asger Bech ; Sørensen, Mads Peter ; Hansen, Jørn Bindslev
part of: Proceedings of the 7. International CDIO Conference, 2011
Presented at: 7th International CDIO Conference

Type: Article in proceedings (Peer reviewed)

Status: Published | Year: 2011

Continuous Variable Quantum Communication and Computation

Andersen, Ulrik Lund ; Dong, Ruifang ; Jezek, Miroslav ; Laghaout, Amine ; Lassen, Mikael Østergaard ; Madsen, Lars Skovgaard ; Tipsmark, Anders
part of: 2011 Conference on Lasers and Electro-Optics, 2011
Presented at: Conference on Lasers and Electro-Optics 2011

Type: Article in proceedings (Peer reviewed)

Status: Published | Year: 2011

Controlled Coupling of a Single Nitrogen-Vacancy Center to a Silver Nanowire

Huck, Alexander ; Kumar, Shailesh ; Shakoor, Abdul ; Andersen, Ulrik Lund
in: Physical Review Letters, vol: 106, issue: 9, pages: 096801

Type: Journal article (Peer reviewed)

Status: Published | Year: 2011 | DOI: https://doi.org/10.1103/PhysRevLett.106.096801

Controlling the Coupling of a Single Nitrogen Vacancy Center to a Silver Nanowire

Huck, Alexander ; Kumar, Shailesh ; Shakoor, Abdul ; Andersen, Ulrik Lund
part of: Lasers and Electro-Optics Europe (CLEO EUROPE/EQEC), 2011 Conference on and 12th European Quantum Electronics Conference, 2011
Presented at: 2011 Conference on Lasers & Electro-Optics Europe & 12th European Quantum Electronics Conference CLEO EUROPE/EQEC

Type: Article in proceedings (Peer reviewed)

Status: Published | Year: 2011 | DOI: https://doi.org/10.1109/CLEOE.2011.5943589

Creation of Magnetic Flux

Gordeeva, Anna

Type: Ph.D. thesis

Status: Published | Year: 2011

Entangling different degrees of freedom by quadrature squeezing cylindrically polarized modes

Gabriel, C. ; Aiello, A. ; Zhong, W. ; Euser, T.G. ; Joly, N.Y. ; Banzer, P. ; Förtsch, M. ; Elser, D. ; Andersen, Ulrik Lund ; Marquardt, Ch. ; Russell, P. St. J. ; Leuchs, G.
in: Physical Review Letters, vol: 106, issue: 6, pages: 060502

Type: Journal article (Peer reviewed)

Status: Published | Year: 2011 | DOI: https://doi.org/10.1103/PhysRevLett.106.060502

Experimental demonstration of a Hadamard gate for coherent state qubits

Tipsmark, Anders ; Dong, Ruifang ; Laghaout, Amine ; Marek, Petr ; Jezek, Miroslav ; Andersen, Ulrik Lund
in: Physical Review A, vol: 84, issue: 5, pages: -

Type: Journal article (Peer reviewed)

Status: Published | Year: 2011 | DOI: https://doi.org/10.1103/PhysRevA.84.050301

Experimental Demonstration of a Hadamard Gate for Coherent State Qubits

Tipsmark, Anders ; Dong, Ruifang ; Laghaout, Amine ; Jezek, Miroslav ; Andersen, Ulrik Lund
part of: Lasers and Electro-Optics Europe (CLEO EUROPE/EQEC), 2011 Conference on and 12th European Quantum Electronics Conference, 2011
Presented at: 2011 Conference on Lasers & Electro-Optics Europe & 12th European Quantum Electronics Conference CLEO EUROPE/EQEC

Type: Article in proceedings (Peer reviewed)

Status: Published | Year: 2011 | DOI: https://doi.org/10.1109/CLEOE.2011.5943446

Improved High Temperature Superconductor Materials for Wind Turbine Generators

Mozhaev, Peter ; Khoryushin, Alexey ; Mozhaeva, Julia ; Andersen, Niels Hessel ; Grivel, Jean-Claude ; Hansen, Jørn Bindslev ; Jacobsen, Claus Schelde
part of: Energy Systems and Technologies for the coming Century, pages: 238-247, 2011, Danmarks Tekniske Universitet, Risø Nationallaboratoriet for Bæredygtig Energi, Roskilde
Presented at: Risø International Energy Conference 2011

Type: Article in proceedings (Peer reviewed)

Status: Published | Year: 2011

Improvement of current-carrying capabilities of high-temperature superconducting thin films and heterostructures

Khoryushin, Alexey

Type: Ph.D. thesis

Status: Published | Year: 2011

Intermittent Flux Penetration at Different Temperatures in YBa2Cu3O7−x on NdGaO3 Substrates

Qviller, Atle Jorstad ; Yurchenko, Vitaliy ; Vestgården, Jørn Inge ; Johansen, Tom Henning ; Galperin, Yuri ; Mozhaev, Peter ; Mozhaeva, Julia ; Hansen, Jørn Bindslev ; Jacobsen, Claus Schelde
in: Journal of Superconductivity and Novel Magnetism, vol: 24, issue: 1-2, pages: 179-181

Type: Journal article (Peer reviewed)

Status: Published | Year: 2011 | DOI: https://doi.org/10.1007/s10948-010-0915-5

Probabilistic amplification and cloning of phase-covariant coherent states

Muller, C. R. ; Wittmann, C. ; Marek, P. ; Filip, R. ; Castaneda, Mario A. Usuga ; Marquardt, C. ; Andersen, Ulrik Lund ; Leuchs, G.
part of: Lasers and Electro-Optics Europe (CLEO EUROPE/EQEC), 2011 Conference on and 12th European Quantum Electronics Conference, 2011
Presented at: Conference on lasers and electro-optics - European quantum electronics conference 2011

Type: Article in proceedings (Peer reviewed)

Status: Published | Year: 2011 | DOI: https://doi.org/10.1109/CLEOE.2011.5943398

Quantum Averaging of Squeezed States of Light

Lassen, Mikael Østergaard
Presented at: ICSSUR 2011

Type: Sound/Visual production (digital)

Status: Published | Year: 2011

Quantum Light from a Whispering-Gallery-Mode Disk Resonator

Fürst, J. U. ; Strekalov, D. V. ; Elser, D. ; Aiello, A. ; Andersen, Ulrik Lund ; Marquardt, Ch. ; Leuchs, G.
in: Physical Review Letters, vol: 106, issue: 11, pages: -

Type: Journal article (Peer reviewed)

Status: Published | Year: 2011 | DOI: https://doi.org/10.1103/PhysRevLett.106.113901

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