Prof. Dr. Holger T. Grahn

Head of Department Semiconductor Spectroscopy

Holger T. Grahn

Telefon: +49 30 20377 318

Tel. mobil: 602

Raum: 0517

Email: htgrahn@pdi-berlin.de

 

Abteilung: Semiconductor Spectroscopy

Core research areas: Nanoanalytics , III-V nanowires for optoelectronics

 

 

1 Autor T. Alam , M. Wienold , X. Lü , K. Biermann , L. Schrottke , H. T. Grahn , H.-W. Hübers
Titel

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 | 3160 Cite : Bibtex RIS
T. Alam, M. Wienold, X. Lü, K. Biermann, L. Schrottke, H. T. Grahn, and H.-W. Hübers

2 Autor T. Hagelschuer , H. Richter , M. Wienold , X. Lü , B. Röben , L. Schrottke , K. Biermann , H. T. Grahn , H.-W. Hübers
Titel

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

3 Autor C. Sinito , P. Corfdir , C. Pfüller , G. Gao , J. Bartolomé Vílchez , 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
Titel

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 | arxiv: 1905.04090 | 3108 Cite : Bibtex RIS
C. Sinito, P. Corfdir, C. Pfüller, G. Gao, J. Bartolomé Vílchez, 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

4 Autor B. Röben , X. Lü , K. Biermann , L. Schrottke , H. T. Grahn
Titel

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

5 Autor T. Alam , M. Wienold , X. Lü , K. Biermann , L. Schrottke , H. T. Grahn , H.-W. Hübers
Titel

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

6 Autor H. Küpers , P. Corfdir , R. B. Lewis , T. Flissikowski , A. Tahraoui , H. T. Grahn , O. Brandt , L. Geelhaar
Titel

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 RRL , 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

7 Autor X. Lü , E. Luna , L. Schrottke , K. Biermann , H. T. Grahn
Titel

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

8 Autor 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
Titel

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

9 Autor E. Mompo , M. Ruiz-Garcia , M. Carretero , H. T. Grahn , Y. H. Zhang , L. L. Bonilla
Titel

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

10 Autor Y. H. Zhang , Y. Aviad , H. T. Grahn
Titel

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