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Applied Physics Letters, ISSN 0003-6951, 08/2009, Volume 95, Issue 7, pp. 071103 - 071103-3
We demonstrate direct green laser operation from InGaN based diodes at wavelengths as long as 515.9 nm with 50 mW output power in pulse operation. A factor of... 
gallium compounds | PHYSICS, APPLIED | photoluminescence | indium compounds | current density | wide band gap semiconductors | quantum well lasers | electro-optical devices | III-V semiconductors
Journal Article
Proceedings of SPIE - The International Society for Optical Engineering, ISSN 0277-786X, 2012, Volume 8277
There is a big need on R&D concerning visible lasers for projection applications. The pico-size mobile projection on the one hand awaits the direct green... 
RWG laser | GaN | Direct green laser | High power blue laser | Semiconductor laser | Electric power generation | Emittance | Semiconductor lasers | Lasers | Phosphors | Projection | Conversion | Business
Conference Proceeding
Optics Express, ISSN 1094-4087, 05/2008, Volume 16, Issue 10, pp. 6833 - 6845
We investigate the spectral properties of violet 405 nm (Al,In) GaN laser diodes (LDs). Depending on the substrate the LDs are grown on, the lasing spectra... 
OPTICAL GAIN | NOISE | OPTICS | MODE-COMPETITION
Journal Article
Physica Status Solidi (A) Applications and Materials Science, ISSN 1862-6300, 06/2009, Volume 206, Issue 6, pp. 1149 - 1152
Journal Article
Applied Physics Letters, ISSN 0003-6951, 08/2009, Volume 95, Issue 5, pp. 051104 - 051104-3
We investigated the short term stability of the optical output power of 450 nm InGaN test lasers. The short term degradation strongly depended on ridge width.... 
gallium compounds | ageing | PHYSICS, APPLIED | indium compounds | carrier density | optical waveguides | carrier lifetime | ridge waveguides | GAN | semiconductor lasers | DEGRADATION | wide band gap semiconductors | DIODES | laser stability | III-V semiconductors
Journal Article
Applied Physics Letters, ISSN 0003-6951, 08/2009, Volume 95, Issue 5, p. 51104
Journal Article
Japanese Journal of Applied Physics, ISSN 0021-4922, 08/2013, Volume 52, Issue 8
We present a blue InGaN research and development superluminescent light-emitting diode (SLED) that is suitable for picoprojection. The SLED reaches an output... 
PHYSICS, APPLIED | GAIN SPECTRA | LASER-DIODES | OPTICAL AMPLIFIERS | MODE
Journal Article
Proceedings of SPIE - The International Society for Optical Engineering, ISSN 0277-786X, 2009, Volume 7216
True blue lasers with wavelengths of 450 nm are of great interest for full color laser projection. These kind of applications usually require high output power... 
InGaN laser | Wall plug efficiency | Temperature behavior
Conference Proceeding
physica status solidi (a), ISSN 1862-6300, 06/2009, Volume 206, Issue 6, pp. 1149 - 1152
We present the investigation of an optimized epitaxial layer structure in order to reach high optical output powers of several watts. The influence of an... 
42.55.Px | 78.66.Fd | 42.60.Lh | PHYSICS, CONDENSED MATTER | PHYSICS, APPLIED | BLUE-VIOLET LASERS | MATERIALS SCIENCE, MULTIDISCIPLINARY
Journal Article
SID Symposium Digest of Technical Papers, ISSN 0097-966X, 06/2011, Volume 42, Issue 1, pp. 685 - 688
We report on direct green lasers based on nitride semiconductors that are suitable for mobile projection applications. The TO38 packaged lasers achieved in... 
Journal Article
Physical Review B - Condensed Matter and Materials Physics, ISSN 0163-1829, 03/2002, Volume 65, Issue 12, pp. 1252051 - 1252056
We investigate the dynamics of the high-frequency conductivity of optically excited low-temperature-grown GaAs (LT-GaAs)-a material widely used for... 
PHYSICS, CONDENSED MATTER | NONLINEAR ABSORPTION | ELECTRON DYNAMICS
Journal Article
Jpn J Appl Phys, ISSN 0021-4922, 8/2013, Volume 52, Issue 8, pp. 08JH07 - 08JH07-5
We present a blue InGaN research and development superluminescent light-emitting diode (SLED) that is suitable for picoprojection. The SLED reaches an output... 
Threshold currents | Wavelengths | Indium gallium nitrides | Lasing | Spectra | Light-emitting diodes | Ridges | Diodes | Sleds
Journal Article
Proceedings of SPIE - The International Society for Optical Engineering, ISSN 0277-786X, 2013, Volume 8640
Conference Proceeding
physica status solidi c, ISSN 1862-6351, 05/2008, Volume 5, Issue 6, pp. 2077 - 2079
The blue light sources of choice for laser projection will be long wavelength nitride lasers because of their high wall plug efficiency and their small form... 
42.55.Px | 42.60.Lh
Journal Article
Applied Physics Letters, ISSN 0003-6951, 2006, Volume 88, Issue 13, p. 133513
The waveguides of 650 nm emitting high-power laser diodes are analyzed regarding the presence of deep level defects by photoelectrical techniques, namely,... 
DEVICES | PHYSICS, APPLIED | SPECTROSCOPY | OPERATION
Journal Article
Conference Proceeding
Applied Physics Letters, ISSN 0003-6951, 03/2006, Volume 88, Issue 13, pp. 133513 - 133513-3
The waveguides of 650 nm emitting high-power laser diodes are analyzed regarding the presence of deep level defects by photoelectrical techniques, namely,... 
Journal Article
09/2015
An optoelectronic semiconductor laser includes a growth substrate; a semiconductor layer sequence that generates laser radiation; a front facet at the growth... 
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS | SEMICONDUCTOR DEVICES | BASIC ELECTRIC ELEMENTS | DEVICES USING STIMULATED EMISSION | ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR | PHYSICS | OPTICS | ELECTRICITY
Patent
02/2015
An optoelectronic semiconductor laser includes a growth substrate; a semiconductor layer sequence that generates laser radiation; a front facet at the growth... 
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS | SEMICONDUCTOR DEVICES | BASIC ELECTRIC ELEMENTS | DEVICES USING STIMULATED EMISSION | ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR | PHYSICS | OPTICS | ELECTRICITY
Patent
10/2018
A laser light source comprises, in particular, a semiconductor layer sequence (10) having an active layer having at least two active regions (45) which are... 
BASIC ELECTRIC ELEMENTS | DEVICES USING STIMULATED EMISSION | ELECTRICITY
Patent
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