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: Nanoanalytics , III-V nanowires for optoelectronics

 

 

21 Author H.-W. Hübers , H. Richter , R. Eichholz , M. Wienold , K. Biermann , L. Schrottke , H. T. Grahn
Title

Heterodyne Spectroscopy of Frequency Instabilities in Terahertz Quantum-Cascade Lasers Induced by Optical Feedback

Source IEEE J. Sel. Topics Quantum Electron. , 23 , 1800306 ( 2017 )
DOI : 10.1109/JSTQE.2017.2684078 | 2920 Cite : Bibtex RIS
H.-W. Hübers, H. Richter, R. Eichholz, M. Wienold, K. Biermann, L. Schrottke, and H. T. Grahn

22 Author Z. Z. Yin , H. Song , Y. H. Zhang , M. Ruiz-Garcia , M. Carretero , L. L. Bonilla , K. Biermann , H. T. Grahn
Title

Noise-enhanced chaos in a weakly coupled GaAs/(Al,Ga)As superlattice

Source Phys. Rev. E , 95 , 012218 ( 2017 )
DOI : 10.1103/PhysRevE.95.012218 | Download: PDF | 2896 Cite : Bibtex RIS
Z. Z. Yin, H. Song, Y. H. Zhang, M. Ruiz-Garcia, M. Carretero, L. L. Bonilla, K. Biermann, and H. T. Grahn

23 Author C. Hauswald , I. Giuntoni , T. Flissikowski , T. Gotschke , R. Calarco , H. T. Grahn , L. Geelhaar , O. Brandt
Title

Luminous efficiency of ordered arrays of GaN nanowires with sub-wavelength diameters

Source ACS Photonics , 4 , 52 ( 2017 )
DOI : 10.1021/acsphotonics.6b00551 | 2823 Cite : Bibtex RIS
C. Hauswald, I. Giuntoni, T. Flissikowski, T. Gotschke, R. Calarco, H. T. Grahn, L. Geelhaar, and O. Brandt

24 Author T. Hagelschuer , M. Wienold , H. Richter , L. Schrottke , K. Biermann , H. T. Grahn , H.-W. Hübers
Title

Terahertz gas spectroscopy through self-mixing in a quantum-cascade laser

Source Appl. Phys. Lett. , 109 , 191101 ( 2016 )
DOI : 10.1063/1.4967435 | Download: PDF | 2882 Cite : Bibtex RIS
T. Hagelschuer, M. Wienold, H. Richter, L. Schrottke, K. Biermann, H. T. Grahn, and H.-W. Hübers

25 Author C. Pfüller , P. Corfdir , C. Hauswald , T. Flissikowski , X. Kong , J. K. Zettler , S. Fernández-Garrido , P. Dogan , H. T. Grahn , A. Trampert , L. Geelhaar , O. Brandt
Title

Nature of excitons bound to inversion domain boundaries: Origin of the 3.45-eV luminescence lines in spontaneously formed GaN nanowires on Si(111)

Source Phys. Rev. B , 94 , 155308 ( 2016 )
DOI : 10.1103/PhysRevB.94.155308 | Download: PDF | 2852 Cite : Bibtex RIS
C. Pfüller, P. Corfdir, C. Hauswald, T. Flissikowski, X. Kong, J. K. Zettler, S. Fernández-Garrido, P. Dogan, H. T. Grahn, A. Trampert, L. Geelhaar, and O. Brandt

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

Exciton dynamics in GaAs(Al,Ga)As core-shell nanowires with shell quantum dots

Source Phys. Rev. B , 94 , 155413 ( 2016 )
DOI : 10.1103/PhysRevB.94.155413 | Download: PDF | 2798 Cite : Bibtex RIS
P. Corfdir, H. Küpers, R. B. Lewis, T. Flissikowski, H. T. Grahn, L. Geelhaar, and O. Brandt

27 Author J. Lähnemann , T. Flissikowski , M. Wölz , L. Geelhaar , H. T. Grahn , O. Brandt , U. Jahn
Title

Quenching of the luminescence intensity of GaN nanowires under electron beam exposure: Impact of C adsorption on the exciton lifetime

Source Nanotechnol. , 27 , 455706 ( 2016 )
DOI : 10.1088/0957-4484/27/45/455706 | Download arXiv: 1607.03397 | 2849 Cite : Bibtex RIS
J. Lähnemann, T. Flissikowski, M. Wölz, L. Geelhaar, H. T. Grahn, O. Brandt, and U. Jahn

28 Author W.-H. Lin , P. Corfdir , U. Jahn , H. T. Grahn
Title

Optical Emission Related to Basal-Plane Stacking Faults in m-Plane Zn1-xMgxO Epilayers for 0 <x < 0.1

Source Phys. Rev. B , 94 , 115209 ( 2016 )
DOI : 10.1103/PhysRevB.94.115209 | Download: PDF | 2829 Cite : Bibtex RIS
W.-H. Lin, P. Corfdir, U. Jahn, and H. T. Grahn

29 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 | 2841 Cite : Bibtex RIS
X. Lü, L. Schrottke, and H. T. Grahn

30 Author F. Feix , T. Flissikowski , C. Chèze , R. Calarco , H. T. Grahn , O. Brandt
Title

Individual electron and hole localization in submonolayer InN quantum sheets embedded in GaN

Source Appl. Phys. Lett. , 109 , 042104 ( 2016 )
DOI : 10.1063/1.4960006 | Download: PDF | 2821 Cite : Bibtex RIS
F. Feix, T. Flissikowski, C. Chèze, R. Calarco, H. T. Grahn, and O. Brandt