Search Results - "Heinrichsdorff, F"
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Room-temperature continuous-wave lasing from stacked InAs/GaAs quantum dots grown by metalorganic chemical vapor deposition
Published in Applied physics letters (07-07-1997)“…We report on quantum dot (QD) lasers made of stacked InAs dots grown by metalorganic chemical vapor deposition. Successful growth of defect-free binary…”
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Journal Article -
2
Ultrafast gain dynamics in InAs-InGaAs quantum-dot amplifiers
Published in IEEE photonics technology letters (01-06-2000)“…The ultrafast dynamics of gain and refractive index in an electrically pumped InAs-InGaAs quantum-dot (QD) optical amplifier are measured at room temperature…”
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3
Spectral hole-burning and carrier-heating dynamics in InGaAs quantum-dot amplifiers
Published in IEEE journal of selected topics in quantum electronics (01-05-2000)“…The ultrafast gain and index dynamics in a set of InAs-InGaAs-GaAs quantum-dot (QD) amplifiers are measured at room temperature with femtosecond resolution…”
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Journal Article -
4
High-power quantum-dot lasers at 1100 nm
Published in Applied physics letters (31-01-2000)“…High-power semiconductor laser diodes based on multiple InGaAs/GaAs quantum-dot layers grown by metal–organic chemical-vapor deposition are demonstrated. The…”
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Journal Article -
5
Quantum dot lasers: breakthrough in optoelectronics
Published in Thin solid films (15-05-2000)“…Semiconductor heterostructures with self-organized quantum dots (QDs) have experimentally exhibited properties expected for zero-dimensional systems. When used…”
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6
Radiative recombination in type-II GaSb/GaAs quantum dots
Published in Applied physics letters (31-07-1995)“…Strained GaSb quantum dots having a staggered band lineup (type II) are formed in a GaAs matrix using molecular beam epitaxy. The dots are growing in a…”
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7
Cross-sectional scanning-tunneling microscopy of stacked InAs quantum dots
Published in Applied physics letters (05-07-1999)“…We present cross-sectional scanning-tunneling microscopy results of threefold stacked InAs quantum dots prepared by metal-organic chemical-vapor deposition at…”
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8
Quantum-dot heterostructure lasers
Published in IEEE journal of selected topics in quantum electronics (01-05-2000)“…Quantum-dot (QD) heterostructures are nanoscale coherent insertions of narrow-gap material in a single-crystalline matrix. These tiny structures provide unique…”
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9
Influence of In/Ga intermixing on the optical properties of InGaAs/GaAs quantum dots
Published in Journal of crystal growth (01-12-1998)“…We report on the impact of thermal annealing of buried InGaAs quantum dots (QDs) on the eigenstate energies and their inhomogeneous broadening due to size…”
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Journal Article Conference Proceeding -
10
Self-organization processes of InGaAs/GaAs quantum dots grown by metalorganic chemical vapor deposition
Published in Applied physics letters (03-06-1996)“…In0.5Ga0.5As/GaAs (001) quantum dots (QDs) were grown by metalorganic chemical vapor deposition (MOCVD) on exactly (001) oriented substrates using the…”
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11
Time-resolved four-wave mixing in InAs/InGaAs quantum-dot amplifiers under electrical injection
Published in Applied physics letters (13-03-2000)“…Time-resolved four-wave mixing in an InAs/InGaAs/GaAs electrically pumped quantum-dot amplifier is measured at room temperature for different applied bias…”
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12
Atomic structure of stacked InAs quantum dots grown by metal-organic chemical vapor deposition
Published in Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures (01-07-1999)“…We present a detailed cross-sectional scanning-tunneling microscopy investigation of threefold stacked InAs quantum dots in a GaAs matrix grown by…”
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Conference Proceeding -
13
A compact digitally tunable seven-channel ring laser
Published in IEEE photonics technology letters (01-06-2002)“…A seven-channel ring laser was realized by monolithic integration of a compact 4/spl times/4 PHASAR (de)multiplexer with four amplifiers in InP. The PHASAR was…”
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14
Lateral and vertical ordering in multilayered self-organized InGaAs quantum dots studied by high resolution x-ray diffraction
Published in Applied physics letters (24-02-1997)“…We have studied multiple layers of self-organized InGaAs-islands grown on GaAs by x-ray diffraction reciprocal space mapping. We found an anisotropy of the dot…”
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15
High-resolution x-ray diffraction of self-organized InGaAs/GaAs quantum dot structures
Published in Applied physics letters (05-02-1996)“…The structural properties of highly strained buried InxGa1−xAs layers on GaAs substrates are investigated by high-resolution x-ray diffraction. Such layers of…”
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16
An integrated 4×4-channel multiwavelength laser on InP
Published in IEEE photonics technology letters (01-03-2003)Get full text
Journal Article -
17
Enhanced Radiation Hardness of InAs/GaAs Quantum Dot Structures
Published in physica status solidi (b) (01-03-2001)“…The quenching of photoluminescence in InAs/GaAs quantum dots and quantum wells by 2 MeV electron irradiation is investigated. We demonstrate a much higher…”
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18
In enrichment in (In,Ga)As/GaAs quantum dots studied by high-resolution x-ray diffraction and pole figure analysis
Published in Applied physics letters (08-11-1999)“…We report on an x-ray study of a 15×(InAs/InGaAs/GaAs) multiquantum dot stack grown by metal organic chemical vapor deposition using high-resolution x-ray…”
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19
Optical Properties of Self-Organized Quantum Dots: Modeling and Experiments
Published in Physica status solidi. A, Applied research (01-03-2000)“…The optical and electronic properties of self‐organized quantum dots (QDs) are of decisive importance for the performance of laser diodes with such QDs as the…”
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Journal Article -
20
Surface flattening during MOCVD of thin GaAs layers covering InGaAs quantum dots
Published in Journal of crystal growth (01-12-2000)“…Methods to re-establish a flat growth front on top of the corrugated surface of InGaAs quantum dots (QDs) during MOCVD are reported. Overgrowth temperatures at…”
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Journal Article Conference Proceeding