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A. Lell

Observed names: A Lell, Alfred Lell, LELL ALFRED, LELL, ALFRED, Lell Alfred, Lell, A., Lell, Alfred
OpenAlex ID: A5026547786
Optical gain, carrier-induced phase shift, and linewidth enhancement factor in InGaN quantum well lasers
2003 · U. T. Schwarz, E. Sturm, et al. · Applied Physics Letters · 72
Microscopic analysis of optical gain in InGaN∕GaN quantum wells
2006 · B. Witzigmann, V. Laino, et al. · Applied Physics Letters · 68
Facet degradation of GaN heterostructure laser diodes
2005 · Thomas Schoedl, Ulrich T. Schwarz, et al. · Journal of Applied Physics · 61
True-blue InGaN laser for pico size projectors
2008 · U. Strauβ, S. Brüninghoff, et al. · Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE · 48
Recent results of blue and green InGaN laser diodes for laser projection
2011 · Stephan Lutgen, Dimitri Dini, et al. · Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE · 46
Substrate Modes of (Al,In)GaN Semiconductor Laser Diodes on SiC and GaN Substrates
2007 · Valerio Laino, Friedhard Roemer, et al. · IEEE Journal of Quantum Electronics · 45
1000 W blue fiber-coupled diode-laser emitting at 450 nm
2019 · Markus Baumann, Anne Balck, et al. · High-Power Diode Laser Technology · 44
GaN-Based LEDs and Lasers on SiC
2000 · V. H�rle, B. Hahn, et al. · physica status solidi (a) · 44
Measurement and simulation of filamentation in (Al,In)GaN laser diodes
2008 · Dominik Scholz, Harald Braun, et al. · Optics Express · 43
Blue Superluminescent Light-Emitting Diodes with Output Power above 100 mW for Picoprojection
2013 · Fabian Kopp, Christoph Eichler, et al. · Japanese Journal of Applied Physics · 41
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Visible GaN laser diodes: from lowest thresholds to highest power levels
2019 · Harald König, Muhammad Ali, et al. · Novel In-Plane Semiconductor Lasers · 32
Beyond blue pico laser: development of high power blue and low power direct green
2012 · Clemens Vierheilig, Christoph Eichler, et al. · Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE · 32
Comparison of degradation mechanisms of blue‐violet laser diodes grown on SiC and GaN substrates
2006 · M. Furitsch, A. Avramescu, et al. · physica status solidi (a) · 31
Investigation of Low-Resistance Metal Contacts on p-Type GaN Using the Linear and Circular Transmission Line Method
2001 · A. Weimar, A. Lell, et al. · physica status solidi (a) · 30
Study of defects and lifetime of green InGaN laser diodes
2012 · Uwe Strauss, Teresa Lermer, et al. · physica status solidi (a) · 27
Beam quality of blue InGaN laser for projection
2008 · Uwe Strauss, Christoph Eichler, et al. · Physica status solidi. C, Conferences and critical reviews/Physica status solidi. C, Current topics in solid state physics · 27
Influence of an in situ-deposited intermediate layer inside GaN and AlGaN layers on SiC substrates
2006 · K. Engl, M. Beer, et al. · Journal of Crystal Growth · 27
Correlation of strain, wing tilt, dislocation density, and photoluminescence in epitaxial lateral overgrown GaN on SiC substrates
2004 · N. Gmeinwieser, K. Engl, et al. · Journal of Applied Physics · 27
Degradation Analysis of InGaN Laser Diodes
2002 · V. K�mmler, G. Br�derl, et al. · physica status solidi (a) · 27
Observation of temperature-independent longitudinal-mode patterns in violet-blue InGaN-based laser diodes
2005 · C. Eichler, S.-S. Schad, et al. · IEEE Photonics Technology Letters · 26
High spatial resolution micro‐Raman temperature measurements of nitride devices (FETs and light emitters)
2005 · M. Kuball, J. W. Pomeroy, et al. · physica status solidi (a) · 26
Excitonic signature in gain and carrier induced change of refractive index spectra of (In,Al)GaN quantum well lasers
2004 · Ulrich T. Schwarz, E. Sturm, et al. · Applied Physics Letters · 26
Analysis of temperature-dependent optical gain in GaN-InGaN quantum-well structures
2006 · B. Witzigmann, V. Laino, et al. · IEEE Photonics Technology Letters · 25
Multidimensional near‐ and far‐field measurements of broad ridge (Al,In)GaN laser diodes
2009 · Stephan Rogowsky, Harald Braun, et al. · Physica status solidi. C, Conferences and critical reviews/Physica status solidi. C, Current topics in solid state physics · 24
Near-field and far-field dynamics of (Al,In)GaN laser diodes
2005 · Ulrich T. Schwarz, Markus Pindl, et al. · Applied Physics Letters · 24
Works count: 117
Citation count: 1,457
H-index: 24
I10-index: 51
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