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pro vyhledávání: '"D Germann"'
Akademický článek
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Autor:
Dieter Bimberg, V. A. Shchukin, A. E. Zhukov, Werner Hofmann, A. M. Nadtochiy, L. Ya. Karachinskiy, Mikhail V. Maximov, S. A. Blokhin, T. D. Germann
Publikováno v:
Semiconductors. 47:695-700
The high-frequency electrical properties of a vertical-cavity surface-emitting laser with a monolithically integrated electro-optical modulator are studied using small-signal modulation analysis of the electroreflectance. The experimental data obtain
Autor:
O. Hitzemann, Andrei Schliwa, André Holzbecher, T. D. Germann, Axel Hoffmann, V. A. Haisler, Sven Rodt, David Quandt, W. Unrau, Udo W. Pohl, E. Stock, A. Dreismann, Dieter Bimberg, Jan-Hindrik Schulze, Irina A. Ostapenko, André Strittmatter
Publikováno v:
physica status solidi (a). 209:2411-2420
Site-controlled growth of quantum dots (QDs) for single photon emitters (SPEs) is achieved applying a buried stressor approach. Theoretical and experimental analysis shows that site-controlled QD growth on buried oxide stressor-layers benefits enormo
Publikováno v:
IEEE Journal of Selected Topics in Quantum Electronics. 17:1681-1692
We present a theoretical model of the recently demonstrated metal-cavity surface-emitting microlaser, which lases at room temperature with continuous-wave operation. A transfer-matrix method with the effective index of the guided mode as the input an
Autor:
Dieter Bimberg, André Strittmatter, Jussi Rautiainen, T. D. Germann, Mircea Guina, Oleg G. Okhotnikov, U. W. Pohl
Publikováno v:
Journal of Crystal Growth. 310:5182-5186
We demonstrate quantum-dot (QD)-based, optically pumped semiconductor disk lasers (SDLs) for wavelengths ranging from 950 to 1210 nm. QDs grown either in the submonolayer (SML) or in the Stranski–Krastanow (SK) regime are employed as active layers
Publikováno v:
Journal of Crystal Growth. 298:591-594
Laser diodes based on InGaAs quantum dots (QDs) operating at 1250 nm with ultra-low threshold current densities of 66 A/cm 2 , transparency current densities of 52 A/cm 2 , and high internal quantum efficiencies of 94% have been realized using altern
Autor:
D. Germann, N. Rose
Publikováno v:
Gesundheitsökonomie & Qualitätsmanagement. 10:83-89
Publikováno v:
IEEE Photonics Technology Letters. 23:1031-1033
The thermal impedance of a substrate-free metal cavity surface-emitting microlaser is measured. The lasing wavelength shifts with temperature at a ratio of 4.367 × 10-2 nm/°C. An extremely low thermal impedance below 1.730°C/mW is extracted for th
Autor:
Dieter Bimberg, André Strittmatter, T. D. Germann, Oleg G. Okhotnikov, Jussi Rautiainen, J. Pohl, Mircea Guina, U. W. Pohl
Publikováno v:
The Physics and Engineering of Compact Quantum Dot-based Lasers for Biophotonics
Quantum Dot based Semiconductor disk lasers are developed at 950 nm, 1040 nm, and 1210 nm wavelength. Up to 1.4 W output power and temperature independent cw-operation is demonstrated using different quantum dot growth techniques.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f7203a01d236a1ffe53b620f45f819c3
https://doi.org/10.1002/9783527665587.ch3
https://doi.org/10.1002/9783527665587.ch3
Publikováno v:
Therapeutische Umschau. 58:487-492
Die Physiotherapie ist die Therapie der Wahl bei der Behandlung von Patienten mit symptomatischer lumbaler Diskushernie. In der Praxis hat sich eine breite Palette physiotherapeutischer Modalitäten als günstig erwiesen. In ihrer Wirksamkeit evidenz