Sel_Ackemann

Generating Multiparticle Entangled States by Self-Organization of Driven Ultracold Atoms

Physical Review Letters 131, 163602 (2023)

We describe a mechanism for guiding the dynamical evolution of ultracold atomic motional degrees of freedom toward multiparticle …

I. Krešić, G. R. M. Robb, G. Oppo, T. Ackemann

Vector vortex solitons and soliton control in vertical-cavity surface-emitting lasers

238, (2022)

The properties of vector vortex beams in vertical-cavity-surface emitting lasers with frequency-selective feedback is investigated. …

T. Ackemann, T. Guillet, H. Pulham, G. Oppo

Magnetic phase diagram of light-mediated spin structuring in cold atoms

Optica 5, 1322 (2018)

G. Labeyrie, I. Krešić, G. R. M. Robb, G. Oppo, R. Kaiser, T. Ackemann

Spontaneous light-mediated magnetism in cold atoms

Communications Physics 1, 1–9 (2018)

Cold atom setups are now commonly employed in simulations of condensed matter phenomena. We present an approach to induce strong …

I. Krešić, G. Labeyrie, G. R. M. Robb, G. Oppo, P. M. Gomes, P. Griffin, R. Kaiser, T. Ackemann

Spontaneous Formation of Vector Vortex Beams in Vertical-Cavity Surface-Emitting Lasers with Feedback

Physical Review Letters 119, 113902 (2017)

J. Jimenez-Garcia, P. Rodriguez, T. Guillet, T. Ackemann

Observation of Mode-Locked Spatial Laser Solitons

Physical Review Letters 118, 044102 (2017)

A stable nonlinear wave packet, self-localized in all three dimensions, is an intriguing and much sought after object in nonlinear …

F. Gustave, N. Radwell, C. McIntyre, J. P. Toomey, D. M. Kane, S. Barland, W. J. Firth, G. Oppo, T. Ackemann

Optomechanical self-structuring in a cold atomic gas

Nature Photonics 8, 321–325 (2014)

G. Labeyrie, E. Tesio, P. M. Gomes, G. Oppo, W. J. Firth, G. R. M. Robb, A. S. Arnold, R. Kaiser, T. Ackemann

Adler Synchronization of Spatial Laser Solitons Pinned by Defects

Physical Review Letters 108, 213904 (2012)

Defects due to growth fluctuations in broad-area semiconductor lasers induce pinning and frequency shifts of spatial laser solitons. …

P. V. Paulau, C. McIntyre, Y. Noblet, N. Radwell, W. J. Firth, P. Colet, T. Ackemann, G. Oppo

Ultrafast spin-induced polarization oscillations with tunable lifetime in vertical-cavity surface-emitting lasers

Applied Physics Letters 99, 151107 (2011)

N. C. Gerhardt, M. Y. Li, H. Jähme, H. Höpfner, T. Ackemann, M. R. Hofmann

Coupling of Polarization and Spatial Degrees of Freedom of Highly Divergent Emission in Broad-Area Square Vertical-Cavity Surface-Emitting Lasers

Physical Review Letters 100, 213901 (2008)

I. V. Babushkin, M. Schulz-Ruhtenberg, N. A. Loiko, K. F. Huang, T. Ackemann

Publication