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Jimenez Garcia, Jesus and Noblet, Yoann and Paulau, P.V. and Gomila, Damia and Ackemann, Thorsten (2013) Observation of laser vortex solitons in a self-focusing semiconductor laser. Journal of Optics, 15 (4). ISSN 0972-8821

Ackemann, T. and Alduraibi, M. and Campbell, S. and Keatings, S. and Sam, P. Luke and Fraser, H. and Arnold, A. S. and Riis, E. and Missous, M. (2012) Diamond heat sinking of terahertz antennas for continuous-wave photomixing. Journal of Applied Physics, 112 (12). ISSN 0021-8979

Ackemann, Thorsten and Noblet, Yoann and Paulau, P.V. and McIntyre, Craig and Colet, Pere and Firth, William and Oppo, Gian-Luca (2012) Frequency and phase locking of laser cavity solitons. In: Spontaneous Symmetry Breaking, Self-Trapping, and Josephson Oscillations in Nonlinear Systems. Progress in Optical Science and Photonics . Springer. ISBN 978-3-642-21206-2 (In Press)

Tesio, Enrico and Robb, Gordon and Ackemann, Thorsten and Firth, William and Oppo, Gian-Luca (2012) Spontaneous optomechanical pattern formation in cold atoms. Physical Review A, 86 (3). ISSN 1050-2947

Paulau, P.V. and McIntyre, Craig and Noblet, Yoann and Radwell, Neal Matthew and Firth, William and Colet, Pere and Ackemann, Thorsten and Oppo, Gian-Luca (2012) Adler synchronization of spatial laser solitons pinned by defects. Physical Review Letters, 108 (21). pp. 1-5. ISSN 0031-9007

Noblet, Y. and Ackemann, T. (2012) Analysis of spatial emission structures in vertical-cavity surface-emitting lasers with feedback from a volume Bragg grating. Physical Review A, 85 (5). ISSN 1050-2947

Ackemann, Thorsten and Radwell, Neal Matthew and Noblet, Yoann and Jaeger, R. (2012) Disorder mapping in VCSELs using frequency-selective feedback. Optics Letters, 37 (6). pp. 1079-1081. ISSN 0146-9592

Kuszelewicz, R. and Benoit, J.-M. and Barbay, S. and Lemaitre, A. and Patriarche, G. and Meunier, K. and Tierno, Alessio and Ackemann, Thorsten (2012) High density InAlAs/GaAlAs quantum dots for non-linear optics in microcavities. Journal of Applied Physics, 111. ISSN 0021-8979

Ackemann, Thorsten and Tierno, Alessio and Kuszelewicz, R. and Barbay, S. and Brambilla, M.G. and Leburn, C. G. and Brown, C. T. A. (2012) Nonlinear optics and saturation behavior of quantum dot samples under continuous wave driving. In: Quantum dot devices. Lecture Notes in Nanoscale Science and Technology . Springer. ISBN 9781461435693

Paulau, Pavel and Mcintyre, Craig and Noblet, Yoann and Radwell, Neal Matthew and Firth, William and Colet, Pere and Ackemann, Thorsten and Oppo, Gian-Luca (2011) Adler synchronization of spatial laser solitons pinned by defects. arXiv.org. pp. 1-5.

Ackemann, Thorsten and Li, M. Y. and Jaehme, H. and Soldat, H. and Gerhardt, N.C. and Hofmann, M. R. (2011) Spin induced gigahertz polarization oscillations in vertical-cavity surface-emitting laser devices. In: Vertical-Cavity Surface-Emitting Lasers XV. Proc. SPIE, 7952 . UNSPECIFIED, 79520B.

Tierno, Alessio and Radwell, Neal Matthew and Ackemann, Thorsten (2011) Low-frequency self-pulsing in single-section quantum-dot laser diodes and its relation to optothermal pulsations. Physical Review A, 84. ISSN 1050-2947

Tierno, A. and Ackemann, T. and Leburn, C. G. and Brown, C. T. A. (2010) Saturation of absorption and gain in a quantum dot diode with continuous-wave driving. Applied Physics Letters, 97 (23). p. 231104. ISSN 0003-6951

Li, M. Y. and Jahme, H and Soldat, H. and Gerhardt, N. C. and Hofmann, M. R. and Ackemann, T. (2010) Birefringence controlled room-temperature picosecond spin dynamics close to the threshold of vertical-cavity surface-emitting laser devices. Applied Physics Letters, 97 (19). -. ISSN 0003-6951

Radwell, Neal and Rose, Patrick and Cleff, Carsten and Denz, Cornelia and Ackemann, Thorsten (2010) Compensation of spatial inhomogeneities in a cavity soliton laser using a spatial light modulator. Optics Express, 18 (22). pp. 23121-23132. ISSN 1094-4087

Radwell, N. and McIntyre, C. and Scroggie, A. J. and Oppo, G. L. and Firth, W. J. and Ackemann, T. (2010) Erratum to: Switching spatial dissipative solitons in a VCSEL with frequency selective feedback. European Physical Journal D: Atomic, Molecular, Optical and Plasma Physics, 59 (1). p. 149. ISSN 1434-6060

Radwell, N. and Mcintyre, C. and Scroggie, A.J. and Oppo, Gian-Luca and Firth, W.J. and Ackemann, T. (2010) Switching spatial dissipative solitons in a VCSEL with frequency selective feedback. European Physical Journal D: Atomic, Molecular, Optical and Plasma Physics, 59 (1). pp. 121-131. ISSN 1434-6060

Gerhardt, N. C. and Li, M. and Jaehme, H. and Soldat, H. and Hofmann, M. R. and Ackemann, T. (2010) Gigahertz circular polarization oscillations in spin-polarized vertical-cavity surface-emitting lasers. In: Conference on Lasers and Electro-Optics CLEO/Quantum Electronics and Laser Science Conference (QELS), 2010-05-16 - 2010-05-21, San Jose.

Paulau, P. V. and Gomila, D. and Colet, P. and Loiko, N. A. and Rosanov, N. N. and Ackemann, T. and Firth, W. J. (2010) Vortex solitons in lasers with feedback. Optics Express, 18 (9). pp. 8859-8866. ISSN 1094-4087

Bueckers, Christina and Kuehn, Eckhard and Schlichenmaier, Christoph and Imhof, Sebastian and Thraenhardt, Angela and Hader, Joerg and Moloney, Jerome V. and Rubel, Oleg and Zhang, Wei and Ackemann, Thorsten and Koch, Stephan W. (2010) Quantum modeling of semiconductor gain materials and vertical-external-cavity surface-emitting laser systems. Physica Status Solidi B, 247 (4). pp. 789-808. ISSN 0370-1972

Gerhardt, N. C. and Li, M. and Jaehme, H. and Soldat, H. and Hofmann, M. R. and Ackemann, T. (2010) Ultrafast circular polarization oscillations in spin-polarized vertical-cavity surface-emitting laser devices. In: Physics and Simulation of Optoelectronic Devices XVIII. Proc. SPIE, 7597 . UNSPECIFIED, 75970Q.

Schulz-Ruhtenberg, M. and Babushkin, I. V. and Loiko, N. A. and Huang, K. F. and Ackemann, T. (2010) Polarization properties in the transition from below to above lasing threshold in broad-area vertical-cavity surface-emitting lasers. Physical Review A, 81 (2). 023819. ISSN 1050-2947

Zhang, Wei and McDonald, Alison and Ackemann, Thorsten and Riis, Erling and McConnell, Gail (2010) Femtosecond synchronously in-well pumped vertical-external-cavity surface-emitting laser. Optics Express, 18 (1). pp. 187-192. ISSN 1094-4087

Tierno, Alessio and Ackemann, Thorsten (2010) Bistability and opto-thermal-pulsations in a quantum-dot edge-emitting laser. Journal of Physics Conference Series, 245 (1). ISSN 1742-6588

Alduraibi, M. and Missous, M. and Luke Sam, P. and Tierno, Alessio and Keatings, Stefanie Renaud and Ackemann, Thorsten (2010) Optical and electrical properties of stacked binary InAs-GaAs quantum dot structures prepared under surfactant-mediated growth conditions. Journal of Physics Conference Series, 245 (1). ISSN 1742-6588

Ackemann, T. and Radwell, N. and McIntyre, C. and Firth, W. J. and Oppo, G. -L. (2010) Self-pulsing dynamics in a cavity soliton laser. In: Conference on Semiconductor Lasers and Laser Dynamics IV, 2010-04-12 - 2010-04-16, Brussels.

Tierno, A. and Radwell, N. and Ackemann, T. (2010) Time-resolved spectra of a self-pulsing quantum dot laser. In: Semiconductor Lasers and Laser Dynamics IV. Proc. SPIE, 7720 . SPIE--The International Society for Optical Engineering., 77202H.

Radwell, N. and Ackemann, T. (2009) Characteristics of laser cavity solitons in a vertical-cavity surface-emitting laser with feedback from a volume bragg grating. IEEE Journal of Quantum Electronics, 45 (11). pp. 1388-1395. ISSN 0018-9197

Schulz-Ruhtenberg, M. and Tanguy, Y. and Jager, R. and Ackemann, T. (2009) Length scales and polarization properties of annular standing waves in circular broad-area vertical-cavity surface-emitting lasers. Applied Physics B: Lasers and Optics, 97 (2). pp. 397-403. ISSN 0946-2171

Tierno, A. and Ackemann, T. and Maggipinto, T. and Brambilla, M.G. (2009) Saturation and self-lensing in self-assembled quantum dots with constant-wave driving. Physical Review B, 80 (3). ISSN 1098-0121

Pedaci, F. and Barland, S. and Caboche, E. and Genevet, P. and Giudici, M. and Tredicce, J. R. and Ackemann, T. and Scroggie, A. J. and Firth, W. J. and Oppo, G. -L. and Tissoni, G. and Jaeger, R. (2009) All-optical delay line using semiconductor cavity solitons (vol 92, 011101, 2008). Applied Physics Letters, 94 (26). p. 269902. ISSN 0003-6951

Schulz-Ruhtenberg, M. and Tanguy, Y. and Huang, K.F. and Jager, R. and Ackemann, T. (2009) Control of the spatial emission structure of broad-area vertical-cavity surface-emitting lasers by feedback. Journal of Physics D: Applied Physics, 42 (5). 055101. ISSN 0022-3727

Schulz-Ruhtenberg, M. and Babushkin, I. V. and Loiko, N. A. and Huang, K. F. and Ackemann, T. (2009) Analysis of polarization states of broad-area vertical-cavity surface-emitting lasers below and above threshold. In: IEEE/LEOS Winter Topicals Meeting, 2009-01-12 - 2009-01-14, Innsbruck.

Ackemann, T. and Firth, W.J. and Oppo, G.L. (2009) Fundamentals and applications of spatial dissipative solitons in photonic devices. Advances in Atomic Molecular and Optical Physics, 57. pp. 323-421.

Ackemann, T. and Radwell, N. and Jaeger, R. (2009) Optically controllable microlasers and 3D light confinement based on cavity solitons in vertical-cavity devices. In: IEEE/LEOS Winter Topicals Meeting, 2009-01-12 - 2009-01-14, Innsbruck.

Gerhardt, N. C. and Hoevel, S. and Li, N. and Jaehme, H. and Hofmann, M. R. and Ackemann, T. and Kroner, A. and Michalzik, R. (2009) Ultrafast spin dynamics in spin-polarized vertical-cavity surface-emitting laser devices. In: Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference (CLEO/QELS 2009), 2009-06-02 - 2009-06-04, Baltimore.

Tanguy, Y. and Radwell, N. and Ackemann, T. and Jager, R. (2008) Characteristics of cavity solitons and drifting excitations in broad-area vertical-cavity surface-emitting lasers with frequency-selective feedback. Physical Review A, 78 (2). 023810-1. ISSN 1050-2947

Paulau, P.V. and Gomila, D. and Ackemann, T. and Loiko, N.A. and Firth, W.J. (2008) Self-localized structures in vertical-cavity surface-emitting lasers with external feedback. Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics, 78 (1). 016212-016212. ISSN 1063-651X

Babushkin, I.V. and Schulz-Ruhtenberg, M. and Loiko, N.A. and Huang, K.F. and Ackemann, T. (2008) 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 (21). p. 213901. ISSN 0031-9007

Jentsch, K.F. and Sondermann, M. and Ackemann, T. (2008) Analysis and optimization of coupling to external cavities in feedback experiments with vertical-cavity surface-emitting lasers. Optics Communications, 281 (6). pp. 1396-1400. ISSN 0030-4018

Hovel, S. and Bischoff, A. and Gerhardt, N.C. and Hofmann, M.R. and Ackemann, T. and Kroner, A. and Michalzik, R. (2008) Optical spin manipulation of electrically pumped vertical-cavity surface-emitting lasers. Applied Physics Letters, 92 (4). 041118. ISSN 0003-6951

Tanguy, Y. and Ackemann, T. and Firth, W.J. and Jäger, R. (2008) Realization of a semiconductor-based cavity soliton laser. Physical Review Letters, 100 (1). 013907-1. ISSN 0031-9007

Pedaci, F. and Barland, S. and Caboche, E. and Genevet, P. and Giudici, M. and Tredicce, J. R. and Ackemann, T. and Scroggie, A.J. and Firth, W.J. and Oppo, G.L. and Tissoni, G. and Jäger, R. (2008) All-optical delay line using semiconductor cavity solitons. Applied Physics Letters, 92 (1). ISSN 0003-6951

Terhalle, B. and Radwell, N. and Rose, P. and Denz, C. and Ackemann, T. (2008) Control of broad-area vertical-cavity surface emitting laser emission by optically induced photonic crystals. Applied Physics Letters, 93 (15). p. 151114. ISSN 0003-6951

Tanguy, Y. and Ackemann, T. and Jaeger, R. (2007) Characteristics of switching dynamics in a semiconductor-based cavity-soliton laser. Optics Express, 15 (25). pp. 16773-16780. ISSN 1094-4087

Tierno, A. and Ackemann, T. (2007) Tunable, narrow-band light source in the 1.25 mu m region based on broad-area quantum dot lasers with feedback. Applied Physics B: Lasers and Optics, 89 (4). pp. 585-588. ISSN 0946-2171

Naumenko, A. V. and Loiko, N. A. and Ackemann, T. (2007) Analysis of bistability conditions between lasing and nonlasing states for a vertical-cavity surface-emitting laser with frequency-selective optical feedback using an envelope approximation. Physical Review A, 76 (2). -. ISSN 1050-2947

Naumenko, A. V. and Loiko, N.A. and Jentsch, K.F. and Ackemann, Thorsten (2007) Bistability conditions between lasing and non-lasing states for vertical-cavity surface-emitting lasers with frequency-selective optical feedback. In: Nonlinear Space-Time Dynamics. Proc. SPIE, 6725 . SPIE--The International Society for Optical Engineering., p. 672522. ISBN 9780819468826

Paulau, P. V. and Scroggie, A. J. and Naumenko, A. and Ackemann, T. and Loiko, N. A. and Firth, W. J. (2007) Localized traveling waves in vertical-cavity surface-emitting lasers with frequency-selective optical feedback. Physical Review E, 75 (5). -. ISSN 1539-3755

Ackemann, T. and Tanguy, Y. and Scroggie, A. and Yao, A. and Firth, W. J. and Oppo, G.-L. and Paulau, P. and Naumenko, A. V. and Loiko, N. A. and Jaeger, R. (2007) Realization of a cavity-soliton laser based on broad-area vertical-cavity devices with frequency-selective feedback. In: Progress in Electromagnetics Research Symposium (PIERS 2007), 2007-03-26 - 2007-03-30, Beijing.

Babushkin, I.V. and Loiko, N.A. and Ackemann, T. (2007) Complexity of polarized spatial patterns in large area square VCSEL. arXiv.org.

Labeyrie, G. and Gattobigio, G. L. and Chaneliere, T. and Lippi, G. L. and Ackemann, T. and Kaiser, R. (2007) Nonlinear lensing mechanisms in a cloud of cold atoms. European Physical Journal D: Atomic, Molecular, Optical and Plasma Physics, 41 (2). pp. 337-348. ISSN 1434-6060

Debernardi, Pierluigi and Ostermann, Johannes Michael and Sondermann, Markus and Ackemann, Thorsten and Bava, Gian Paolo and Michalzik, Rainer (2007) Theoretical-experimental study of the vectorial modal properties of polarization-stable multimode grating VCSELs. IEEE Journal of Selected Topics in Quantum Electronics, 13 (5). pp. 1340-1348. ISSN 1077-260X

Ackemann, T. and Pesch, M. and Lange, W. and Gomila, D. and Firth, W.J. and Oppo, G.L. (2007) Two-dimensional front dynamics and spatial solitons in a nonlinear optical system. Physical Review Letters, 99. p. 153902. ISSN 0031-9007

Tanguy, Y. and Ackemann, T. and Jaeger, R. (2006) Characteristics of bistable localized emission states in broad-area vertical-cavity surface-emitting lasers with frequency-selective feedback. Physical Review A, 74 (5). -. ISSN 1050-2947

Zhang, Wei and Ackemann, Thorsten and McGinily, Stephen and Schmid, Marc and Riis, Erling and Ferguson, Allister I. (2006) Operation of an optical in-well-pumped vertical-external-cavity surface-emitting laser. Applied Optics, 45 (29). pp. 7729-7735. ISSN 1539-4522

Naumenko, A and Loiko, N and Sondermann, M and Jentsch, K and Ackemann, T (2006) Abrupt turn-on and hysteresis in a VCSEL with frequency-selective optical feedback. Optics Communications, 259 (2). pp. 823-833. ISSN 0030-4018

Zhang, Wei and Ackemann, T. and Schmid, Marc and Langford, Nigel and Ferguson, Allister (2006) Femtosecond synchronously mode-locked vertical-external cavity surface-emitting laser. Optics Express, 14 (5). pp. 1810-1821. ISSN 1094-4087

Huneus, F and Lange, W and Ackemann, T (2006) Competition of pattern forming instabilities due to phase front curvature in an optical system. Physical Review E, 73 (1). -. ISSN 1539-3755

Ackemann, T and Denz, C and Mitschke, F (2005) Dynamics in nonlinear optics and quantum optics. Applied Physics B: Lasers and Optics, 81 (7). pp. 881-882. ISSN 0946-2171

Zhao, H and Friedrich, R and Ackemann, T (2005) On the response of an oscillatory medium to defect generation. Applied Physics B: Lasers and Optics, 81 (7). pp. 969-973. ISSN 0946-2171

Schulz-Ruhtenberg, M and Babushkin, I V and Loiko, N A and Ackemann, T and Huang, K F (2005) Transverse patterns and length-scale selection in vertical-cavity surface-emitting lasers with a large square aperture. Applied Physics B: Lasers and Optics, 81 (7). pp. 945-953. ISSN 0946-2171

Pesch, M. and Grosse Westhoff, E. and Ackemann, T. and Lange, W. (2005) Observation of a discrete family of dissipative solitons in a nonlinear optical system. Physical Review Letters, 95 (14). pp. 143906-1. ISSN 0031-9007

Sondermann, M. and Ackemann, T. (2005) Correlation properties and drift phenomena in the dynamics of vertical-cavity surface-emitting lasers with optical feedback. Optics Express, 13 (7). pp. 2707-2715. ISSN 1094-4087

Ackemann, Thorsten and Firth, William (2005) Dissipative solitons in pattern-forming nonlinear optical systems : cavity solitons and feedback solitons. In: Dissipative solitons. Lecture Notes in Physics, 661 . Springer, pp. 55-100. ISBN 978-3-540-23373-2

Frank, T and Sondermann, M. and Ackemann, Thorsten and Friedrich, R (2005) Parametric data analysis of bistable stochastic systems. Nonlinear Phenomena In Complex Systems, 8 (2). pp. 193-199.

Ackemann, Thorsten and Sondermann, M. (2005) Polarization dynamics in vertical-cavity surface emitting lasers. In: Trends in spatiotemporal dynamics in lasers. Research Signpost, Keralia, pp. 82-110. ISBN 81-7736-235-6

Naumenko, A V and Loiko, N A and Sondermann, M and Ackemann, T (2003) Description and analysis of low-frequency fluctuations in vertical-cavity surface-emitting lasers with isotropic optical feedback by a distant reflector (vol 68, pg 033805, 2003). Physical Review A, 73 (6). -. ISSN 1050-2947

Sondermann, M. and Bohnet, H. and Ackemann, T. (2003) Low-frequency fluctuations and polarization dynamics in vertical-cavity surface-emitting lasers with isotropic feedback. Physical Review A, 67 (2). 021802-1. ISSN 1050-2947

Schapers, B. and Ackemann, T. and Lange, W. (2003) Properties of feedback solitons in a single-mirror experiment. IEEE Journal of Quantum Electronics, 39 (2). pp. 227-237. ISSN 0018-9197

Grosse Westhoff, E. and Herrero, R. and Ackemann, T. and Lange, W. (2003) Self-organized superlattice patterns with two slightly differing wave numbers. Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics, 67 (2). 025203-1. ISSN 1063-651X

Ackemann, T. and Sondermann, M. (2001) Characteristics of polarization switching from the low to the high frequency mode in vertical-cavity surface-emitting lasers. Applied Physics Letters, 78 (23). 3574 -3576. ISSN 0003-6951