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

 

 

31 Author T. Hagelschuer , N. Rothbart , H. Richter , M. Wienold , L. Schrottke , H. T. Grahn , H.-W. Hübers
Title

High-spectral-resolution terahertz imaging with a quantum-cascade laser

Source Opt. Express , 24 , 13839 ( 2016 )
DOI : 10.1364/OE.24.013839 | Download: PDF | 2837 Cite : Bibtex RIS
T. Hagelschuer, N. Rothbart, H. Richter, M. Wienold, L. Schrottke, H. T. Grahn, and H.-W. Hübers

32 Author B. Röben , M. Wienold , L. Schrottke , H. T. Grahn
Title

Multiple lobes in the far-field distribution of terahertz quantum-cascade lasers due to self-interference

Source AIP Adv. , 6 , 065104 ( 2016 )
DOI : 10.1063/1.4953596 | Download: PDF | 2813 Cite : Bibtex RIS
B. Röben, M. Wienold, L. Schrottke, and H. T. Grahn

33 Author X. Lü , L. Schrottke , H. T. Grahn
Title

Fourier-transform-based model for carrier transport in semiconductor heterostructures: Longitudinal optical phonon scattering

Source J. Appl. Phys. , 119 , 214302 ( 2016 )
DOI : 10.1063/1.4952741 | Download: PDF | 2800 Cite : Bibtex RIS
X. Lü, L. Schrottke, and H. T. Grahn

34 Author M. Hempel , B. Röben , L. Schrottke , H.-W. Hübers , H. T. Grahn
Title

Fast continuous tuning of terahertz quantum-cascade lasers by rear facet illumination

Source Appl. Phys. Lett. , 108 , 191106 ( 2016 )
DOI : 10.1063/1.4949528 | Download: PDF | 2786 Cite : Bibtex RIS
M. Hempel, B. Röben, L. Schrottke, H.-W. Hübers, and H. T. Grahn

35 Author S. S. Kurlov , Y. V. Flores , M. Elagin , M. P. Semtsiv , L. Schrottke , H. T. Grahn , G. G. Tarasov , W. T. Masselink
Title

Phenomenological scattering-rate model for the simulation of the current density and emission power in mid-infrared quantum cascade lasers

Source J. Appl. Phys. , 119 , 134501 ( 2016 )
DOI : 10.1063/1.4945364 | Download: PDF | 2815 Cite : Bibtex RIS
S. S. Kurlov, Y. V. Flores, M. Elagin, M. P. Semtsiv, L. Schrottke, H. T. Grahn, G. G. Tarasov, and W. T. Masselink

36 Author P. Corfdir , C. Hauswald , O. Marquardt , T. Flissikowski , J. K. Zettler , S. Fernández-Garrido , L. Geelhaar , H. T. Grahn , O. Brandt
Title

Crystal-phase quantum dots in GaN quantum wires

Source Phys. Rev. B , 93 , 115305 ( 2016 )
DOI : 10.1103/PhysRevB.93.115305 | Download: PDF | 2783 Cite : Bibtex RIS
P. Corfdir, C. Hauswald, O. Marquardt, T. Flissikowski, J. K. Zettler, S. Fernández-Garrido, L. Geelhaar, H. T. Grahn, and O. Brandt

37 Author M. Wienold , B. Röben , L. Schrottke , H. T. Grahn
Title

Frequency comb operation of long-cavity terahertz quantum-cascade lasers

Source Proceedings of SPIE 9767 Novel In-Plane Semiconductor Lasers , 9767 , 97671A ( 2016 )
DOI : 10.1117/12.2208128 | 2818 Cite : Bibtex RIS
M. Wienold, B. Röben, L. Schrottke, and H. T. Grahn

38 Author L. Schrottke , X. Lü , G. Rozas , K. Biermann , H. T. Grahn
Title

Terahertz GaAs/AlAs quantum-cascade lasers

Source Appl. Phys. Lett. , 108 , 102102 ( 2016 )
DOI : 10.1063/1.4943657 | Download: PDF | 2797 Cite : Bibtex RIS
L. Schrottke, X. Lü, G. Rozas, K. Biermann, and H. T. Grahn

39 Author J. K. Zettler , P. Corfdir , C. Hauswald , E. Luna , U. Jahn , T. Flissikowski , E. Schmidt , C. Ronning , A. Trampert , L. Geelhaar , H. T. Grahn , O. Brandt , S. Fernández-Garrido
Title

Observation of dielectrically confined excitons in ultrathin GaN nanowires up to room temperature

Source Nano Lett. , 16 , 973 ( 2016 )
DOI : 10.1021/acs.nanolett.5b03931 | 2739 Cite : Bibtex RIS
J. K. Zettler, P. Corfdir, C. Hauswald, E. Luna, U. Jahn, T. Flissikowski, E. Schmidt, C. Ronning, A. Trampert, L. Geelhaar, H. T. Grahn, O. Brandt, and S. Fernández-Garrido

40 Author J. Lähnemann , P. Corfdir , F. Feix , J. Kamimura , T. Flissikowski , H. T. Grahn , L. Geelhaar , O. Brandt
Title

Radial Stark effect in (In,Ga)N nanowires

Source Nano Lett. , 16 , 917 ( 2016 )
DOI : 10.1021/acs.nanolett.5b03748 | Download arXiv: 1601.07201 | 2744 Cite : Bibtex RIS
J. Lähnemann, P. Corfdir, F. Feix, J. Kamimura, T. Flissikowski, H. T. Grahn, L. Geelhaar, and O. Brandt