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205 Publications
2013 | Conference Paper | LibreCat-ID: 64459
Non-exponential photoluminescence transients in GaNAsP lattice matched to (001) silicon substrate
N.C. Gerhardt, N. Koukourakis, M. Finkeldey, M. Hofmann, B. Kunert, M. Zimprich, K. Volz, W. Stolz, K. Jandieri, F. Gebhard, S. Baranovskii, in: DPG-Frühjahrstagung (DPG Spring Meeting) of the Condensed Matter Section with Its Divisions Biological Physics, Chemical and Polymer Physics, Crystallography, Dielectric Solids, Dynamics and Statistical Physics, Low Temperature Physics, Magnetism, Metal and Material Physics, Physics of Socio-Economic Systems, Semiconductor Physics, Surface Science, Thin Films, Vacuum Science and Technology Together with the Divions Microprobes, and Radiation and Medical Physics as Well as the Working Groups Industry and Business, and “Young DPG,” 2013.
LibreCat
N.C. Gerhardt, N. Koukourakis, M. Finkeldey, M. Hofmann, B. Kunert, M. Zimprich, K. Volz, W. Stolz, K. Jandieri, F. Gebhard, S. Baranovskii, in: DPG-Frühjahrstagung (DPG Spring Meeting) of the Condensed Matter Section with Its Divisions Biological Physics, Chemical and Polymer Physics, Crystallography, Dielectric Solids, Dynamics and Statistical Physics, Low Temperature Physics, Magnetism, Metal and Material Physics, Physics of Socio-Economic Systems, Semiconductor Physics, Surface Science, Thin Films, Vacuum Science and Technology Together with the Divions Microprobes, and Radiation and Medical Physics as Well as the Working Groups Industry and Business, and “Young DPG,” 2013.
2013 | Journal Article | LibreCat-ID: 64467
Spin relaxation length in quantum dot spin LEDs
H. Höpfner, A. Ludwig, A. Ludwig, D. Reuter, A. Wieck, N.C. Gerhardt, M. Hofmann, C. Fritsche, F. Stromberg, H. Wende, W. Keune, Physica Status Solidi 10 (2013) 1214–1217.
LibreCat
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H. Höpfner, A. Ludwig, A. Ludwig, D. Reuter, A. Wieck, N.C. Gerhardt, M. Hofmann, C. Fritsche, F. Stromberg, H. Wende, W. Keune, Physica Status Solidi 10 (2013) 1214–1217.
2013 | Conference Paper | LibreCat-ID: 64468
Ultrafast spin-polarized vertical-cavity surface-emitting lasers
N.C. Gerhardt, H. Höpfner, M. Lindemann, M. Li, H. Jähme, M. Hofmann, T. Ackemann, in: Spintronics VI, 2013, pp. 8313–80.
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N.C. Gerhardt, H. Höpfner, M. Lindemann, M. Li, H. Jähme, M. Hofmann, T. Ackemann, in: Spintronics VI, 2013, pp. 8313–80.
2013 | Journal Article | LibreCat-ID: 64455
Nonexponential photoluminescence transients in a Ga(NAsP) lattice matched to a (001) silicon substrate
N. Koukourakis, N.C. Gerhardt, M. Hofmann, B. Kunert, S. Liebich, M. Zimprich, K. Volz, W. Stolz, F. Gebhard, S.D. Baranovskii, K. Jandieri, Physical Review 87 (2013).
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N. Koukourakis, N.C. Gerhardt, M. Hofmann, B. Kunert, S. Liebich, M. Zimprich, K. Volz, W. Stolz, F. Gebhard, S.D. Baranovskii, K. Jandieri, Physical Review 87 (2013).
2013 | Journal Article | LibreCat-ID: 64457
Comparison of different metrics for analysis and visualization in spectroscopic optical coherence tomography
V. Jaedicke, N.C. Gerhardt, M. Hofmann, S. Agcaer, F.E. Robles, M. Steinert, D. Jones, S. Goebel, H. Welp, Biomedical Optics Express 4 (2013) 2945–2961.
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V. Jaedicke, N.C. Gerhardt, M. Hofmann, S. Agcaer, F.E. Robles, M. Steinert, D. Jones, S. Goebel, H. Welp, Biomedical Optics Express 4 (2013) 2945–2961.
2013 | Conference Paper | LibreCat-ID: 64461
Quantitative phase analysis through scattering media by depth-filtered digital holography
V. Jaedicke, N. Koukourakis, A. Adinda-Ougba, N.C. Gerhardt, M. Hofmann, S. Goebel, H. Wiethoff, H. Welp, C.J. Cogswell, T.G. Brown, J.-A. Conchello, T. Wilson, in: Three-Dimensional and Multidimensional Microscopy, 2013, pp. 85891J-85891J–8.
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V. Jaedicke, N. Koukourakis, A. Adinda-Ougba, N.C. Gerhardt, M. Hofmann, S. Goebel, H. Wiethoff, H. Welp, C.J. Cogswell, T.G. Brown, J.-A. Conchello, T. Wilson, in: Three-Dimensional and Multidimensional Microscopy, 2013, pp. 85891J-85891J–8.
2013 | Journal Article | LibreCat-ID: 64458
Contrast enhancement methods in optical coherence tomography using spectral features
V. Jaedicke, N.C. Gerhardt, M. Hofmann, S. Agcaer, S. Goebel, H. Welp, Biomedical Engineering 58 (2013) 1–2.
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V. Jaedicke, N.C. Gerhardt, M. Hofmann, S. Agcaer, S. Goebel, H. Welp, Biomedical Engineering 58 (2013) 1–2.
2013 | Book Chapter | LibreCat-ID: 64462
Quantum dot spintronics - fundamentals and applications
A. Ludwig, H. Höpfner, N.C. Gerhardt, J. König, M.R. Hofmann, A. Wieck, B. Sothmann, J. Nannen, T. Kümmell, G. Bacher, in: Magnetic Nanostructures, 2013, pp. 235–268.
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A. Ludwig, H. Höpfner, N.C. Gerhardt, J. König, M.R. Hofmann, A. Wieck, B. Sothmann, J. Nannen, T. Kümmell, G. Bacher, in: Magnetic Nanostructures, 2013, pp. 235–268.
2013 | Dissertation | LibreCat-ID: 64454
"More than Moore" - novel photonic concepts for information technology
N.C. Gerhardt, F. für Elektrotechnik und Informationstechnik, “More than Moore” - Novel Photonic Concepts for Information Technology, 2013.
LibreCat
N.C. Gerhardt, F. für Elektrotechnik und Informationstechnik, “More than Moore” - Novel Photonic Concepts for Information Technology, 2013.
2013 | Conference Paper | LibreCat-ID: 64465
Spin injection, transport, and relaxation in spin light-emitting diodes - magnetic field effects
H. Höpfner, A. Ludwig, A. Ludwig, D. Reuter, A. Wieck, N.C. Gerhardt, M. Hofmann, C. Fritsche, F. Stromberg, H. Wendes, W. Keunes, in: Spintronics VI, 2013, pp. 8813–43.
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H. Höpfner, A. Ludwig, A. Ludwig, D. Reuter, A. Wieck, N.C. Gerhardt, M. Hofmann, C. Fritsche, F. Stromberg, H. Wendes, W. Keunes, in: Spintronics VI, 2013, pp. 8813–43.
2012 | Conference Paper | LibreCat-ID: 64476
Photoluminescence and optical gain of Ga(NAsP) heterostructures pseudomorphically grown on silicon (001) substrate
N. Koukourakis, D. Funke, N.C. Gerhardt, M.R. Hofmann, M. Klimasch, S. Liebich, M. Zimprich, B. Kunert, K. Volz, W. Stolz, J. Kubby, G.T. Reed, in: Silicon Photonics VII, 2012, pp. 1–6.
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N. Koukourakis, D. Funke, N.C. Gerhardt, M.R. Hofmann, M. Klimasch, S. Liebich, M. Zimprich, B. Kunert, K. Volz, W. Stolz, J. Kubby, G.T. Reed, in: Silicon Photonics VII, 2012, pp. 1–6.
2012 | Conference Paper | LibreCat-ID: 64477
Room temperature spin relaxation in quantum dot based spin-optoelectronic devices
H. Höpfner, M. Li, A. Ludwig, A. Ludwig, D. Reuter, A. Wieck, N.C. Gerhardt, M. Hofmann, F. Stromberg, H. Wende, W. Keune, in: Ultrafast Phenomena and Nanophotonics XVI, 2012, pp. 1–7.
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H. Höpfner, M. Li, A. Ludwig, A. Ludwig, D. Reuter, A. Wieck, N.C. Gerhardt, M. Hofmann, F. Stromberg, H. Wende, W. Keune, in: Ultrafast Phenomena and Nanophotonics XVI, 2012, pp. 1–7.
2012 | Journal Article | LibreCat-ID: 64485
Time-resolved photoluminescence and optical gain in Ga(NAsP) pseudomorphically grown on silicon
N. Koukourakis, N.C. Gerhardt, M.R. Hofmann, M. Klimasch, S. Liebich, D. Trusheim, M. Zimprich, K. Volz, W. Stolz, B. Kunert, 76th Jahrestagung Der DPG (76th Annual Conference of the DPG) and DPG-Frühjahrstagung (Spring Meeting) of the Condensed Matter Section (SKM) with Further DPG Divisions: Environmental Physics, Microprobes, Radiation and Medical Physics, as Well as the DPG Working Groups: Energy, Equal Opportunities, Industry and Business, Information, Philosophy of Physics, Physics and Disarmament, Young DPG (2012).
LibreCat
N. Koukourakis, N.C. Gerhardt, M.R. Hofmann, M. Klimasch, S. Liebich, D. Trusheim, M. Zimprich, K. Volz, W. Stolz, B. Kunert, 76th Jahrestagung Der DPG (76th Annual Conference of the DPG) and DPG-Frühjahrstagung (Spring Meeting) of the Condensed Matter Section (SKM) with Further DPG Divisions: Environmental Physics, Microprobes, Radiation and Medical Physics, as Well as the DPG Working Groups: Energy, Equal Opportunities, Industry and Business, Information, Philosophy of Physics, Physics and Disarmament, Young DPG (2012).
2012 | Journal Article | LibreCat-ID: 64483
Temperature dependence of the spin relaxation length in spin quantum dot LEDs
H. Höpfner, A. Ludwig, A. Ebbing, D. Reuter, A. Wieck, N.C. Gerhardt, M.R. Hofmann, F. Stromberg, H. Wende, W. Keune, C. Fritsche, 76th Jahrestagung Der DPG (76th Annual Conference of the DPG) and DPG-Frühjahrstagung (Spring Meeting) of the Condensed Matter Section (SKM) with Further DPG Divisions: Environmental Physics, Microprobes, Radiation and Medical Physics, as Well as the DPG Working Groups: Energy, Equal Opportunities, Industry and Business, Information, Philosophy of Physics, Physics and Disarmament, Young DPG (2012).
LibreCat
H. Höpfner, A. Ludwig, A. Ebbing, D. Reuter, A. Wieck, N.C. Gerhardt, M.R. Hofmann, F. Stromberg, H. Wende, W. Keune, C. Fritsche, 76th Jahrestagung Der DPG (76th Annual Conference of the DPG) and DPG-Frühjahrstagung (Spring Meeting) of the Condensed Matter Section (SKM) with Further DPG Divisions: Environmental Physics, Microprobes, Radiation and Medical Physics, as Well as the DPG Working Groups: Energy, Equal Opportunities, Industry and Business, Information, Philosophy of Physics, Physics and Disarmament, Young DPG (2012).
2012 | Journal Article | LibreCat-ID: 64482
System development for spectroscopic optical coherence tomography
V. Jaedicke, S. Agcaer, N.C. Gerhardt, M. Hofmann, S. Goebel, H. Wiethoff, H. Welp, Biomedical Engineering 57 (2012) 327.
LibreCat
| DOI
V. Jaedicke, S. Agcaer, N.C. Gerhardt, M. Hofmann, S. Goebel, H. Wiethoff, H. Welp, Biomedical Engineering 57 (2012) 327.
2012 | Journal Article | LibreCat-ID: 64481
Spin-controlled vertical-cavity surface-emitting lasers
N.C. Gerhardt, M. Hofmann, Advances in Optical Technologies (2012) 268949-1-268949–15.
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N.C. Gerhardt, M. Hofmann, Advances in Optical Technologies (2012) 268949-1-268949–15.
2012 | Conference Paper | LibreCat-ID: 64470
Analysis of birefringence controlled ultrafast polarization oscillations in spin vertical-cavity surface-emitting lasers
M. Li, N.C. Gerhardt, M. Hofmann, T. Ackemann, in: EOS Annual Meeting 2012 (EOSAM 2012), 2012, pp. 104–107.
LibreCat
M. Li, N.C. Gerhardt, M. Hofmann, T. Ackemann, in: EOS Annual Meeting 2012 (EOSAM 2012), 2012, pp. 104–107.
2012 | Journal Article | LibreCat-ID: 64480
Spin relaxation dynamics in spin-LEDs
H. Höpfner, A. Ludwig, D. Reuter, A. Wieck, N.C. Gerhardt, M.R. Hofmann, C. Fritsche, F. Stromberg, H. Wende, W. Keune, 76th Jahrestagung Der DPG (76th Annual Conference of the DPG) and DPG-Frühjahrstagung (Spring Meeting) of the Condensed Matter Section (SKM) with Further DPG Divisions: Environmental Physics, Microprobes, Radiation and Medical Physics, as Well as the DPG Working Groups: Energy, Equal Opportunities, Industry and Business, Information, Philosophy of Physics, Physics and Disarmament, Young DPG (2012).
LibreCat
H. Höpfner, A. Ludwig, D. Reuter, A. Wieck, N.C. Gerhardt, M.R. Hofmann, C. Fritsche, F. Stromberg, H. Wende, W. Keune, 76th Jahrestagung Der DPG (76th Annual Conference of the DPG) and DPG-Frühjahrstagung (Spring Meeting) of the Condensed Matter Section (SKM) with Further DPG Divisions: Environmental Physics, Microprobes, Radiation and Medical Physics, as Well as the DPG Working Groups: Energy, Equal Opportunities, Industry and Business, Information, Philosophy of Physics, Physics and Disarmament, Young DPG (2012).
2012 | Journal Article | LibreCat-ID: 64472
Erratum: “Room temperature spin relaxation length in spin light-emitting diodes” - [Appl. Phys. Lett. 99, 051102 (2011)]
H. Soldat, M. Li, N.C. Gerhardt, M. Hofmann, A. Ludwig, A. Ebbing, D. Reuter, A. Wieck, F. Stromberg, W. Keune, H. Wende, Applied Physics Letters 100 (2012) 269902–1.
LibreCat
| DOI
H. Soldat, M. Li, N.C. Gerhardt, M. Hofmann, A. Ludwig, A. Ebbing, D. Reuter, A. Wieck, F. Stromberg, W. Keune, H. Wende, Applied Physics Letters 100 (2012) 269902–1.
2012 | Journal Article | LibreCat-ID: 64473
High room-temperature optical gain in Ga(NAsP)/Si heterostructures
N. Koukourakis, N.C. Gerhardt, M. Hofmann, C. Bückers, D.A. Funke, S. Liebich, S.N. Chatterjee, C. Lange, M. Zimprich, K. Volz, W. Stolz, B. Kunert, S.W. Koch, Applied Physics Letters 100 (2012) 092107-1-092107–3.
LibreCat
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N. Koukourakis, N.C. Gerhardt, M. Hofmann, C. Bückers, D.A. Funke, S. Liebich, S.N. Chatterjee, C. Lange, M. Zimprich, K. Volz, W. Stolz, B. Kunert, S.W. Koch, Applied Physics Letters 100 (2012) 092107-1-092107–3.