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

 

 

51 Author J. Lähnemann , U. Jahn , O. Brandt , T. Flissikowski , P. Dogan , H. T. Grahn
Title

Luminescence associated with stacking faults in GaN

Source J. Phys. D , 47 , 423001 ( 2014 )
DOI : 10.1088/0022-3727/47/42/423001 | Download arXiv: 1405.1261 | 2584 Cite : Bibtex RIS
J. Lähnemann, U. Jahn, O. Brandt, T. Flissikowski, P. Dogan, and H. T. Grahn

52 Author X. Lü , L. Schrottke , E. Luna , H. T. Grahn
Title

Efficient simulation of the impact of interface grading on the optical and transport properties of semiconductor heterostructures

Source Appl. Phys. Lett. , 104 , 232106 ( 2014 )
DOI : 10.1063/1.4882653 | Download: PDF | 2566 Cite : Bibtex RIS
X. Lü, L. Schrottke, E. Luna, and H. T. Grahn

53 Author N. Okada , A. Ishikawa , K. Yamane , K. Tadatomo , U. Jahn , H. T. Grahn
Title

Generation of Dislocation Clusters by Glide m-planes in Semipolar GaN Layers

Source Phys. Status Solidi A , 211 , 736 ( 2014 )
DOI : 10.1002/pssa.201300465 | 2550 Cite : Bibtex RIS
N. Okada, A. Ishikawa, K. Yamane, K. Tadatomo, U. Jahn, and H. T. Grahn

54 Author C. Hauswald , T. Flissikowski , L. Geelhaar , H. T. Grahn , H. Riechert , O. Brandt
Title

Radiative and nonradiative decay of excitons in GaN nanowires

Source Proc. SPIE , 8986 , 89860V ( 2014 )
DOI : 10.1117/12.2039082 | Download: PDF | 2551 Cite : Bibtex RIS
C. Hauswald, T. Flissikowski, L. Geelhaar, H. T. Grahn, H. Riechert, and O. Brandt

55 Author Y. Y. Huang , H. Qin , W. Li , S. L. Lu , J. R. Dong , H. T. Grahn , Y. H. Zhang
Title

Experimental evidence for coherence resonance in a noise-driven GaAs/AlAs superlattice

Source Europhys. Lett. , 105 , 47005 ( 2014 )
DOI : 10.1209/0295-5075/105/47005 | 2538 Cite : Bibtex RIS
Y. Y. Huang, H. Qin, W. Li, S. L. Lu, J. R. Dong, H. T. Grahn, and Y. H. Zhang

56 Author M. Wienold , B. Röben , L. Schrottke , R. Sharma , A. Tahraoui , K. Biermann , H. T. Grahn
Title

High-temperature, continuous-wave operation of terahertz quantum-cascade lasers with metal-metal waveguides and third-order distributed feedback

Source Opt. Express , 22 , 3334 ( 2014 )
DOI : 10.1364/OE.22.003334 | Download: PDF | 2503 Cite : Bibtex RIS
M. Wienold, B. Röben, L. Schrottke, R. Sharma, A. Tahraoui, K. Biermann, and H. T. Grahn

57 Author R. Eichholz , H. Richter , M. Wienold , L. Schrottke , R. Hey , H. T. Grahn , H.-W. Hübers
Title

Frequency modulation spectroscopy with a THz quantum-cascade laser

Source Opt. Express , 21 , 32199 ( 2013 )
DOI : 10.1364/OE.21.032199 | Download: PDF | 2504 Cite : Bibtex RIS
R. Eichholz, H. Richter, M. Wienold, L. Schrottke, R. Hey, H. T. Grahn, and H.-W. Hübers

58 Author B. Wilsch , U. Jahn , B. Jenichen , J. Lähnemann , H.T. Grahn , H. Wang , H. Yang
Title

Spatially resolved investigation of strain and composition variations in (In,Ga)N/GaN epilayers

Source Appl. Phys. Lett. , 102 , 052109 ( 2013 )
DOI : 10.1063/1.4790591 | Download: PDF | 2380 Cite : Bibtex RIS
B. Wilsch, U. Jahn, B. Jenichen, J. Lähnemann, H.T. Grahn, H. Wang, and H. Yang

59 Author L. Schrottke , M. Wienold , R. Sharma , X. Lü , K. Biermann , R. Hey , A. Tahraoui , H. Richter , H.-W. Hübers , H.T. Grahn
Title

Quantum-cascade lasers as local oscillators for heterodyne spectrometers in the spectral range around 4.745 THz

Source Semicond. Sci. Technol. , 28 , 035011 ( 2013 )
2335 Cite : Bibtex RIS
L. Schrottke, M. Wienold, R. Sharma, X. Lü, K. Biermann, R. Hey, A. Tahraoui, H. Richter, H.-W. Hübers, and H.T. Grahn

60 Author F. Gericke , T. Flissikowski , F. Katmis , W. Braun , H.T. Grahn
Title

Rate equation model for the time dependence of the reflectance of a Ge2Te2Sb5 film during optical switching processes

Source J. Appl. Phys. , 113 , 183507 ( 2013 )
Download: PDF | 2397 Cite : Bibtex RIS
F. Gericke, T. Flissikowski, F. Katmis, W. Braun, and H.T. Grahn