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

Madsen, Lars Skovgaard ; Berni, Adriano ; Lassen, Mikael Østergaard ; Andersen, Ulrik Lund

in journal: Physical Review Letters (ISSN: 0031-9007) (DOI: http://dx.doi.org/10.1103/PhysRevLett.109.030402), vol: 109, issue: 3, pages: 030402, 2012

Type: Journal article - Journal article

DOI: 10.1103/PhysRevLett.109.030402

Continuous variable quantum key distribution with modulated entangled states.

Madsen, Lars Skovgaard ; Usenko, Vladyslav C. ; Lassen, Mikael Østergaard ; Filip, Radim ; Andersen, Ulrik Lund

in journal: Nature Communications (ISSN: 2041-1723) (DOI: http://dx.doi.org/10.1038/ncomms2097), vol: 3, pages: 1083, 2012

Type: Journal article - Journal article

DOI: 10.1038/ncomms2097

A novel method for polarization squeezing with Photonic Crystal Fibers

Milanovic, Josip ; Lassen, Mikael Østergaard ; Andersen, Ulrik Lund ; Leuchs, Gerd

in journal: Optics Express (ISSN: 1094-4087) (DOI: http://dx.doi.org/10.1364/OE.18.001521), vol: 18, issue: 2, pages: 1521-1527, 2010

Type: Journal article - Journal article

DOI: 10.1364/OE.18.001521

Naturally Phase-Matched Second-Harmonic Generation in a Whispering-Gallery-Mode Resonator

Fürst, J. U. ; Strekalov, D.V. ; Elser, D. ; Lassen, Mikael Østergaard ; Andersen, Ulrik Lund ; Marquardt, C. ; Leuchs, G.

in journal: Physical Review Letters (ISSN: 0031-9007) (DOI: http://dx.doi.org/10.1103/PhysRevLett.104.153901), vol: 104, issue: 15, pages: 153901, 2010

Type: Journal article - Journal article

DOI: 10.1103/PhysRevLett.104.153901

Experimental demonstration of squeezed-state quantum averaging

Lassen, Mikael Østergaard ; Madsen, Lars Skovgaard ; Sabuncu, Metin ; Filip, Radim ; Andersen, Ulrik Lund

in journal: Physical Review A (Atomic, Molecular and Optical Physics) (ISSN: 1050-2947) (DOI: http://dx.doi.org/10.1103/PhysRevA.82.021801), vol: 82, issue: 2, pages: 021801, 2010

Type: Journal article - Journal article

DOI: 10.1103/PhysRevA.82.021801

Assessing the Polarization of a Quantum Field from Stokes Fluctuations

Klimov, A. B. ; Björk, G. ; Söderholm, J. ; Madsen, Lars Skovgaard ; Lassen, Mikael Østergaard ; Andersen, Ulrik Lund ; Heersink, J. ; Dong, Ruifang ; Marquardt, C. ; Leuchs, G. ; Sánchez-Soto, L. L.

in journal: Physical Review Letters (ISSN: 0031-9007) (DOI: http://dx.doi.org/10.1103/PhysRevLett.105.153602), vol: 105, issue: 15, pages: 153602, 2010

Type: Journal article - Journal article

DOI: 10.1103/PhysRevLett.105.153602

Continuous-variable entanglement distillation of non-Gaussian mixed states

Dong, Ruifang ; Lassen, Mikael Østergaard ; Heersink, Joel ; Marquardt, Christoph ; Filip, Radim ; Leuchs, Gerd ; Andersen, Ulrik Lund

in journal: Physical Review A (Atomic, Molecular and Optical Physics) (ISSN: 1050-2947) (DOI: http://dx.doi.org/10.1103/PhysRevA.82.012312), vol: 82, issue: 1, pages: 012312, 2010

Type: Journal article - Journal article

DOI: 10.1103/PhysRevA.82.012312

Quantum optical coherence can survive photon losses using a continuous-variable quantum erasure-correcting code

Lassen, Mikael Østergaard ; Sabuncu, Metin ; Huck, Alexander ; Niset, Julian ; Leuchs, Gerd ; Cerf, Nicolas ; Andersen, Ulrik Lund

in journal: Nature Photonics (ISSN: 1749-4885) (DOI: http://dx.doi.org/10.1038/nphoton.2010.168), vol: 4, issue: 10, pages: 700-705, 2010

Type: Journal article - Journal article

DOI: 10.1038/nphoton.2010.168

Continuous Variable Entanglement and Squeezing of Orbital Angular Momentum States

Lassen, Mikael Østergaard ; Leuchs, Gerd ; Andersen, Ulrik Lund

in journal: Physical Review Letters (ISSN: 0031-9007) (DOI: http://dx.doi.org/10.1103/PhysRevLett.102.163602), vol: 102, issue: 16, pages: 163602, 2009

Type: Journal article - Journal article

DOI: 10.1103/PhysRevLett.102.163602

Extra phase noise from thermal fluctuations in nonlinear optical crystals

César, J. E. S. ; Coelho, A.S. ; Cassemiro, K.N. ; Villar, A.S. ; Lassen, Mikael Østergaard ; Nussenzveig, P. ; Martinelli, M.

in journal: Physical Review A (Atomic, Molecular and Optical Physics) (ISSN: 1050-2947) (DOI: http://dx.doi.org/10.1103/PhysRevA.79.063816), vol: 79, issue: 6, pages: 063816, 2009

Type: Journal article - Journal article

DOI: 10.1103/PhysRevA.79.063816

Experimental entanglement distillation of mesoscopic quantum states

Dong, Ruifang ; Lassen, Mikael Østergaard ; Heersink, Joel ; Marquardt, Christoph ; Filip, Radim ; Leuchs, Gerd ; Andersen, Ulrik Lund

in journal: Nature Physics (ISSN: 1745-2473) (DOI: http://dx.doi.org/10.1038/nphys1112), vol: 4, issue: 12, pages: 919-923, 2008

Type: Journal article - Journal article

DOI: 10.1038/nphys1112

Squeezing of higher order Hermite-Gauss modes

Lassen, Mikael Østergaard

in journal: D O P S - Nyt (ISSN: 0901-4632), vol: 23, issue: 1, pages: 10-14, 2008

Type: Journal article - Journal article

Generation of Polarization Squeezing with Periodically Poled KTP at 1064 nm

Lassen, Mikael Østergaard ; Sabuncu, Metin ; Buchhave, Preben ; Andersen, Ulrik Lund

in journal: Optics express (ISSN: 1094-4087) (DOI: http://dx.doi.org/10.1126/science.1149091), vol: 15, issue: 8, pages: 5077-5082, 2007

Type: Journal article - Journal article

DOI: 10.1126/science.1149091

Spatial mode discrimination using second harmonic generation

Delaubert, Vincent ; Lassen, Mikael Østergaard ; Pulford, David ; Bachor, Hans-A. ; harb, Charles

in journal: Optics express (ISSN: 1094-4087) (DOI: http://dx.doi.org/10.1364/OE.15.005815), vol: 15, issue: 9, pages: 5815-5826, 2007

Type: Journal article - Journal article

DOI: 10.1364/OE.15.005815

Tools for Multimode Quantum Information: Modulation, Detection, and Spatial Quantum Correlations

Lassen, Mikael Østergaard ; Delaubert, Vincent ; Janousek, Jirí ; Wagner, Kate ; Bachor, Hans. A- ; Lam, Ping Koy ; Treps, Nikola ; Buchhave, Preben ; Fabre, Claude ; Harb, Charles

in journal: Physical Review Letters (ISSN: 0031-9007) (DOI: http://dx.doi.org/10.1103/PhysRevLett.98.083602), vol: 98, issue: 8, pages: 083602, 2007

Type: Journal article - Journal article

DOI: 10.1103/PhysRevLett.98.083602

Generation of Squeezing in Higher Order Hermite-Gaussian Modes with an Optical Parametric Amplifier

Lassen, Mikael Østergaard ; Delaubert, Vincent ; Harb, Charles C. ; Lam, Ping Koy ; Treps, Nikola ; Bachor, Hans-A.

in journal: European Optical Society. Journal. Rapid Publications (ISSN: 1990-2573) (DOI: http://dx.doi.org/10.2971/jeos.2006.06003), vol: 1, issue: 1, 2006

Type: Journal article - Journal article

DOI: 10.2971/jeos.2006.06003

TEM10 homodyne detection as an optimal small-displacement and tilt-measurement scheme

Delaubert, Vincent ; Treps, Nikolas ; Lassen, Mikael Østergaard ; Harb, Charles ; Fabre, Claude ; Lam, Ping Koy ; Bachor, Hans A.

in journal: Physical Review A (Atomic, Molecular and Optical Physics) (ISSN: 1050-2947) (DOI: http://dx.doi.org/10.1103/PhysRevA.74.053823), vol: 74, issue: 5, pages: 053823, 2006

Type: Journal article - Journal article

DOI: 10.1103/PhysRevA.74.053823

Simultaneous measurement of patterns in the signal and idler near and far fields from a confocal optical parametrical oscillator with applications in quantum optics

Lassen, Mikael Østergaard ; Tidemand-Lichtenberg, Peter ; Buchhave, Preben

in journal: Physical Review A (Atomic, Molecular and Optical Physics) (ISSN: 1050-2947) (DOI: http://dx.doi.org/10.1103/PhysRevA.72.023817), vol: 72, issue: 2, pages: 023817, 2005

Type: Journal article - Journal article

DOI: 10.1103/PhysRevA.72.023817