Prof. Ulrik Lund Andersen Profile

Prof. Ulrik Lund Andersen

Professor at Technical Univ of Denmark

SPIE Involvement:

Author

Proceedings Article | 16 November 2024 Presentation

Continuous-variable quantum passive optical network for multi-user quantum key distribution

Adnan A. Hajomer, Ivan Derkach, Radim Filip, Ulrik Andersen, Vladyslav Usenko, Tobias Gehring

Proceedings Volume PC13202, PC132020L (2024) https://doi.org/10.1117/12.3034038

KEYWORDS: Quantum networks, Continuous variable quantum key distribution, Passive optical networks, Telecommunication networks, Quantum technologies, Quantum protocols, Standards development, Quantum states, Quantum security, Quantum properties

Read Abstract +

Proceedings Article | 8 March 2023 Presentation + Paper

Towards quantum-enhanced Raman spectroscopy for bioimaging applications

Mikael Lassen, Oleksii Ilchenko, Ulrik Andersen, Michael Fritzsche, Maria Chekhova, Mark Kriegsmann, Aleksander Rebane

Proceedings Volume 12447, 124471E (2023) https://doi.org/10.1117/12.2646648

KEYWORDS: Lung cancer, Picosecond phenomena, Diagnostics, Quantum amplitude

Read Abstract +

Proceedings Article | 7 December 2022 Presentation + Paper

Modulator vulnerability in continuous-variable quantum key distribution

Nitin Jain, Ivan Derkach, Hou-Man Chin, Radim Filip, Ulrik Andersen, Vladyslav Usenko, Tobias Gehring

Proceedings Volume 12274, 122740R (2022) https://doi.org/10.1117/12.2638795

KEYWORDS: Modulators, Modulation, Quantum key distribution, Information security, Heterodyning, Transmitters, Receivers

Read Abstract +

Proceedings Article | 6 October 2021 Presentation

Quantum receiver for phase-shift keying at the single photon level

Jasminder Sidhu, Shuro Izumi, Jonas Neergaard-Nielsen, Cosmo Lupo, Ulrik Andersen

Proceedings Volume 11881, 1188105 (2021) https://doi.org/10.1117/12.2598974

KEYWORDS: Receivers, Phase shift keying, Single photon, Heterodyning, Signal detection, Sensors, Photodetectors, Optical communications, Nulling interferometry, Interference (communication)

Read Abstract +

Proceedings Article | 5 March 2021 Presentation

Squeezed light enhanced stimulated Raman scattering spectroscopy

Rayssa de Andrade, Hugo Kerdoncuff, Kirstine Berg-Sørensen, Tobias Gehring, Mikael Lassen, Ulrik Andersen

Proceedings Volume 11656, 116560S (2021) https://doi.org/10.1117/12.2579493

KEYWORDS: Raman spectroscopy, Spectroscopy, Raman scattering, Polymethylmethacrylate, Real time imaging, Organisms, Imaging spectroscopy, Continuous wave operation

Read Abstract +

Proceedings Article | 6 September 2019 Presentation + Paper

A quantum Interferometer for quantum gravity studies

E. Losero, S. Pradyumna Tekuru, P. Traina, I. Ruo-Berchera, M. Zucco, I. P. Degiovanni, C. S. Jacobsen, T. Gehring, U. L. Andersen, M. Genovese

Proceedings Volume 11134, 111340F (2019) https://doi.org/10.1117/12.2527471

KEYWORDS: Interferometers, Beam splitters, Mirrors, Ferroelectric materials, Beam controllers, Actuators, Crystals, Modulation, Oscillators, Spectrum analysis

Read Abstract +

Proceedings Article | 6 November 2018 Presentation

Towards wide-field imaging of brain slices using a quantum diamond microscope (Conference Presentation)

Adam Wojciechowski, Mursel Karadas, Louise Frellsen, Axel Thielscher, Nils Ole Dalby, Alexander Huck, Ulrik Andersen

Proceedings Volume 10771, 1077103 (2018) https://doi.org/10.1117/12.2325262

Read Abstract +

Proceedings Article | 19 September 2017 Presentation

Squeezed light enhanced sensing of a micro-mechanical oscillator (Conference Presentation)

Ulrik Lund Andersen

Proceedings Volume 10409, 104090N (2017) https://doi.org/10.1117/12.2279353

Read Abstract +

Proceedings Article | 30 May 2017 Presentation + Paper

Towards an integrated squeezed light source

Tobias Gehring, Ulrich Hoff, Timur Iskhakov, Ulrik Andersen

Proceedings Volume 10249, 102490D (2017) https://doi.org/10.1117/12.2268878

KEYWORDS: Optical sensors, Sensors, Kerr effect, Precision measurement, Quantum information, Quantum key distribution, Active sensors, Interferometry, Nonlinear optics, Quantum optics, Light sources, Integrated optics, Integrated photonics, Light, Silicon, Silicon photonics, Applied sciences, Photons

Read Abstract +

Proceedings Article | 13 October 2015 Paper

Quantum cryptography with an ideal local relay

Gaetana Spedalieri, Carlo Ottaviani, Samuel Braunstein, Tobias Gehring, Christian Jacobsen, Ulrik Andersen, Stefano Pirandola

Proceedings Volume 9648, 96480Z (2015) https://doi.org/10.1117/12.2202662

KEYWORDS: Relays, Quantum cryptography, Quantum key distribution, Quantum information, Modulation, Beam splitters, Quantum physics, Telecommunications, Infrared technology, Infrared radiation

Read Abstract +

Proceedings Article | 19 February 2014 Paper

Demonstration of a variable plasmonic beam splitter

S. Kumar, Niels Kristiansen, Ulrik Andersen, Alexander Huck

Proceedings Volume 8997, 89970Y (2014) https://doi.org/10.1117/12.2039463

KEYWORDS: Silver, Atomic force microscopy, Beam splitters, Luminescence, Plasmonics, Radio propagation, Diamond, Atomic force microscope, Wave propagation, Nanowires

Read Abstract +

Showing 5 of 11 publications

Conference Committee Involvement (5)