Scientist
phone: +49 30 20377 341
room: 0532
email: lue@pdi-berlin.de
Department: Semiconductor Spectroscopy
Core research areas: Intersubband emitters
1 | Author | T. Alam , M. Wienold , X. Lü , K. Biermann , L. Schrottke , H. T. Grahn , H.-W. Hübers |
Title |
Frequency and power stabilization of a terahertz quantum-cascade laser using near-infrared optical excitation |
|
Source | Opt. Express , 27 , 36846 ( 2019 ) | |
DOI : 10.1364/OE.27.036846 | Download: PDF | Cite : Bibtex RIS |
2 | Author | T. Hagelschuer , H. Richter , M. Wienold , X. Lü , B. Röben , L. Schrottke , K. Biermann , H. T. Grahn , H.-W. Hübers |
Title |
A compact 4.75-THz source based on a quantum-cascade laser with a back-facet mirror |
|
Source | IEEE Trans. Terahertz Sci. Technol. , 9 , 606 ( 2019 ) | |
DOI : 10.1109/TTHZ.2019.2935337 | Cite : Bibtex RIS |
3 | Author | B. Röben , X. Lü , K. Biermann , L. Schrottke , H. T. Grahn |
Title |
Terahertz quantum-cascade lasers for high-resolution spectroscopy of sharp absorption lines |
|
Source | J. Appl. Phys. , 125 , 151613 ( 2019 ) | |
DOI : 10.1063/1.5079701 | Download: PDF | Cite : Bibtex RIS |
4 | Author | T. Alam , M. Wienold , X. Lü , K. Biermann , L. Schrottke , H. T. Grahn , H.-W. Hübers |
Title |
Wideband, high-resolution terahertz spectroscopy by light-induced frequency tuning of quantum-cascade lasers |
|
Source | Opt. Express , 27 , 5420 ( 2019 ) | |
DOI : 10.1364/OE.27.005420 | Download: PDF | Cite : Bibtex RIS |
5 | Author | X. Lü , E. Luna , L. Schrottke , K. Biermann , H. T. Grahn |
Title |
Determination of the interface grading parameter for terahertz quantum-cascade laser structures based on transmission electron microscopy |
|
Source | Appl. Phys. Lett. , 113 , 172101 ( 2018 ) | |
DOI : 10.1063/1.5042326 | Download: PDF | Cite : Bibtex RIS |
6 | Author | L. Schrottke , X. Lü , B. Röben , K. Biermann , M. Wienold , H. Richter , H.-W. Hübers , H. T. Grahn |
Title |
Intrinsic frequency tuning of terahertz quantum-cascade lasers |
|
Source | J. Appl. Phys. , 123 , 213102 ( 2018 ) | |
DOI : 10.1063/1.5024480 | Download: PDF | Cite : Bibtex RIS |
7 | Author | J.E. Boschker , X. Lü , V. Bragaglia , R. Wang , H. T. Grahn , R. Calarco |
Title |
Electrical and optical properties of epitaxial binary and ternary GeTe-Sb2Te3 alloys |
|
Source | Sci. Rep. , 8 , 5889 ( 2018 ) | |
DOI : 10.1038/s41598-018-23221-9 | Download: PDF | Cite : Bibtex RIS |
8 | Author | B. Röben , X. Lü , M. Hempel , K. Biermann , L. Schrottke , H. T. Grahn |
Title |
Terahertz quantum-cascade lasers as high-power and wideband, gapless sources for spectroscopy |
|
Source | Opt. Express , 25 , 16282 ( 2017 ) | |
DOI : 10.1364/OE.25.016282 | Download: PDF | Cite : Bibtex RIS |
9 | Author | A. Guzman , R. Gargallo-Caballero , X. Lü , H. T. Grahn |
Title |
Laterally biased structures for room temperature operation of quantumwell infrared photodetectors |
|
Source | J. Cryst. Growth , 477 , 272 ( 2017 ) | |
DOI : 10.1016/j.jcrysgro.2017.04.023 | Cite : Bibtex RIS |
10 | Author | X. Lü , L. Schrottke , H. T. Grahn |
Title |
Efficient numerical procedure for the determination of the wave function-independent terms in longitudinal optical phonon scattering rates formulated in the Fourier domain |
|
Source | J. Comput. Electron. , 15 , 1505 ( 2016 ) | |
DOI : 10.1007/s10825-016-0902-6 | Cite : Bibtex RIS |