PDI -> Staff ->

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. 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

12 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

13 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

14 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

15 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

16 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

17 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

18 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 | 3002 Cite : Bibtex RIS
J.E. Boschker, X. Lü, V. Bragaglia, R. Wang, H. T. Grahn, and R. Calarco

19 Author M. Wienold , T. Alam , L. Schrottke , H. T. Grahn , H.-W. Hübers
Title

Doppler-free spectroscopy with a terahertz quantum-cascade laser

Source Opt. Express , 26 , 6692 ( 2018 )
DOI : 10.1364/OE.26.006692 | Download: PDF | 3023 Cite : Bibtex RIS
M. Wienold, T. Alam, L. Schrottke, H. T. Grahn, and H.-W. Hübers

20 Author P. Corfdir , H. Li , O. Marquardt , G. Gao , M. R. Molas , J. K. Zettler , D. van Treeck , T. Flissikowski , M. Potemski , C. Draxl , A. Trampert , S. Fernández-Garrido , H. T. Grahn , O. Brandt
Title

Crystal-phase quantum wires: One-dimensional heterostructures with atomically flat interfaces

Source Nano Lett. , 18 , 247 ( 2018 )
DOI : 10.1021/acs.nanolett.7b03997 | 2978 Cite : Bibtex RIS
P. Corfdir, H. Li, O. Marquardt, G. Gao, M. R. Molas, J. K. Zettler, D. van Treeck, T. Flissikowski, M. Potemski, C. Draxl, A. Trampert, S. Fernández-Garrido, H. T. Grahn, and O. Brandt