Intersubband Emitters: GaAs-based Quantum-Cascade Lasers

Prof. Dr. Holger T. Grahn

Head of Department Semiconductor Spectroscopy

Holger T. Grahn

phone: +49 30 20377 318

phone mobile: 602

room: 0517

email: htgrahn@pdi-berlin.de

 

Department: Semiconductor Spectroscopy

Core research areas: Ferromagnet/ semiconductor hybrid structures , Intersubband emitters , III-V nanowires for optoelectronics

 

 

11 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 | 3140 Cite : Bibtex RIS
T. Hagelschuer, H. Richter, M. Wienold, X. Lü, B. Röben, L. Schrottke, K. Biermann, H. T. Grahn, and H.-W. Hübers

12 Author C. Sinito , P. Corfdir , C. Pfüller , G. Gao , J. Bartolomé , S. Kölling , A. Rodil Doblado , U. Jahn , J. Lähnemann , T. Auzelle , J. K. Zettler , T. Flissikowski , P. Koenraad , H. T. Grahn , L. Geelhaar , S. Fernández-Garrido , O. Brandt
Title

Absence of quantum-confined Stark effect in GaN quantum disks embedded in (Al,Ga)N nanowires grown by molecular beam epitaxy

Source Nano Lett. , 19 , 5938 ( 2019 )
DOI : 10.1021/acs.nanolett.9b01521 | Download arXiv: 1905.04090 | 3108 Cite : Bibtex RIS
C. Sinito, P. Corfdir, C. Pfüller, G. Gao, J. Bartolomé, S. Kölling, A. Rodil Doblado, U. Jahn, J. Lähnemann, T. Auzelle, J. K. Zettler, T. Flissikowski, P. Koenraad, H. T. Grahn, L. Geelhaar, S. Fernández-Garrido, and O. Brandt

13 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 | 3071 Cite : Bibtex RIS
B. Röben, X. Lü, K. Biermann, L. Schrottke, and H. T. Grahn

14 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 | 3089 Cite : Bibtex RIS
T. Alam, M. Wienold, X. Lü, K. Biermann, L. Schrottke, H. T. Grahn, and H.-W. Hübers

15 Author H. Küpers , P. Corfdir , R. B. Lewis , T. Flissikowski , A. Tahraoui , H. T. Grahn , O. Brandt , L. Geelhaar
Title

Impact of outer shell structure and localization effects on charge carrier dynamics in GaAs/(In,Ga)As nanowire core-shell quantum wells

Source Phys. Status Solidi-Rapid Res. Lett. , 13 , 1800527 ( 2019 )
DOI : 10.1002/pssr.201800527 | 3033 Cite : Bibtex RIS
H. Küpers, P. Corfdir, R. B. Lewis, T. Flissikowski, A. Tahraoui, H. T. Grahn, O. Brandt, and L. Geelhaar

16 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 | 3035 Cite : Bibtex RIS
X. Lü, E. Luna, L. Schrottke, K. Biermann, and H. T. Grahn

17 Author Z. Z. Shao , Z. Z. Yin , H. Song , W. Liu , X. J. Li , J. Zhu , K. Biermann , L. L. Bonilla , H. T. Grahn , Y. H. Zhang
Title

Fast Detection of a Weak Signal by a Stochastic Resonance Induced by a Coherence Resonance in an Excitable GaAs/Al_{0.45}Ga_{0.55}As Superlattice

Source Phys. Rev. Lett. , 121 , 086806 ( 2018 )
DOI : 10.1103/PhysRevLett.121.086806 | Download: PDF | 3064 Cite : Bibtex RIS
Z. Z. Shao, Z. Z. Yin, H. Song, W. Liu, X. J. Li, J. Zhu, K. Biermann, L. L. Bonilla, H. T. Grahn, and Y. H. Zhang

18 Author E. Mompo , M. Ruiz-Garcia , M. Carretero , H. T. Grahn , Y. H. Zhang , L. L. Bonilla
Title

Coherence Resonance and Stochastic Resonance in an Excitable Semiconductor Superlattice

Source Phys. Rev. Lett. , 121 , 086805 ( 2018 )
DOI : 10.1103/PhysRevLett.121.086805 | Download: PDF | 3065 Cite : Bibtex RIS
E. Mompo, M. Ruiz-Garcia, M. Carretero, H. T. Grahn, Y. H. Zhang, and L. L. Bonilla

19 Author Y. H. Zhang , Y. Aviad , H. T. Grahn
Title

Chaotic current self-oscillations in doped, weakly coupled semiconductor superlattices for true random number generation

Source Coupled Mathematical Models for Physical and Nanoscale Systems and their Applications; edited by L. L. Bonilla, E. Kaxiras, and R. Melnik , 232 , 35 ( 2018 )
DOI : 10.1007/978-3-319-76599-0 | 2904 Cite : Bibtex RIS
Y. H. Zhang, Y. Aviad, and H. T. Grahn

20 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 | 3015 Cite : Bibtex RIS
L. Schrottke, X. Lü, B. Röben, K. Biermann, M. Wienold, H. Richter, H.-W. Hübers, and H. T. Grahn

Contact

Prof. Dr. Holger T. Grahn

Head of Department 

+49 30 20377-318

htgrahn@pdi-berlin.de

Dr. Lutz Schrottke

Senior Scientist

+49 30 20377-339

lutz@pdi-berlin.de