Intersubband Emitters: GaAs-based Quantum-Cascade Lasers

Dr. Jonas Lähnemann

Scientist

Jonas Lähnemann

phone: +49 30 20377 450

room: 0530

email: jonas@pdi-berlin.de

 

Department: Semiconductor Spectroscopy

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

 

Research interests:

Luminescence spectroscopy, Analytical scanning electron microscopy, Semiconductor nanowires, III-V semiconductors for optoelectronic applications, Thin-film solar cells

 

 

21 Author C. B. Lim , A. Ajay , J. Lähnemann , C. Bougerol , E. Monroy
Title

Effect of Ge-doping on the short-wave, mid- and far-infrared intersubband transitions in GaN/AlGaN heterostructures

Source Semicond. Sci. Technol. , 32 , 125002 ( 2017 )
DOI : 10.1088/1361-6641/aa919c | 2991 Cite : Bibtex RIS
C. B. Lim, A. Ajay, J. Lähnemann, C. Bougerol, and E. Monroy

22 Author S. Assali , J. Lähnemann , T. Vu , K. D. Jöns , L. Gagliano , M. A. Verheijen , N. Akopian , E. P. A. M. Bakkers , J. E. M. Haverkort
Title

Crystal phase quantum well emission with digital control

Source Nano Lett. , 17 , 6062 ( 2017 )
DOI : 10.1021/acs.nanolett.7b02489 | 2990 Cite : Bibtex RIS
S. Assali, J. Lähnemann, T. Vu, K. D. Jöns, L. Gagliano, M. A. Verheijen, N. Akopian, E. P. A. M. Bakkers, and J. E. M. Haverkort

23 Author M. Spies , M. I. den Hertog , P. Hille , J. Schörmann , J. Polaczyński , B. Gayral , M. Eickhoff , E. Monroy , J. Lähnemann
Title

Bias-controlled spectral response in GaN/AlN single-nanowire ultraviolet photodetectors

Source Nano Lett. , 17 , 4231 ( 2017 )
DOI : 10.1021/acs.nanolett.7b01118 | 2950 Cite : Bibtex RIS
M. Spies, M. I. den Hertog, P. Hille, J. Schörmann, J. Polaczyński, B. Gayral, M. Eickhoff, E. Monroy, and J. Lähnemann

24 Author J. Kamimura , P. Bogdanoff , F. F. Abdi , J. Lähnemann , R. van de Krol , H. Riechert , L. Geelhaar
Title

Photoelectrochemical properties of GaN photoanodes with cobalt phosphate catalyst for solar water splitting in neutral electrolyte

Source J. Phys. Chem. C , 121 , 12540 ( 2017 )
DOI : 10.1021/acs.jpcc.7b02253 | 2908 Cite : Bibtex RIS
J. Kamimura, P. Bogdanoff, F. F. Abdi, J. Lähnemann, R. van de Krol, H. Riechert, and L. Geelhaar

25 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 Nanotechnology , 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

26 Author S. Fernández-Garrido , J. Lähnemann , C. Hauswald , M. Korytov , M. Albrecht , C. Chèze , C. Skierbiszewski , O. Brandt
Title

Comparison of the luminous efficiency of Ga- and N-polar InxGa1-xN/InyGa1-yN quantum wells grown by plasma-assisted molecular beam epitaxy

Source Phys. Rev. Appl. , 6 , 034017-01 ( 2016 )
DOI : 10.1103/PhysRevApplied.6.034017 | Download arXiv: arXiv:1510.06512 | 2743 Cite : Bibtex RIS
S. Fernández-Garrido, J. Lähnemann, C. Hauswald, M. Korytov, M. Albrecht, C. Chèze, C. Skierbiszewski, and O. Brandt

27 Author U. Jahn , M. Musolino , J. Lähnemann , P. Dogan , S. Fernández-Garrido , J.F. Wang , K. Xu , D. Cai , L.F. Bian , X.J. Gong , H. Yang
Title

The hydride vapor phase epitaxy of GaN on silicon covered by nanostructures

Source Semicond. Sci. Technol. , 31 , 065018 ( 2016 )
DOI : 10.1088/0268-1242/31/6/065018 | 2775 Cite : Bibtex RIS
U. Jahn, M. Musolino, J. Lähnemann, P. Dogan, S. Fernández-Garrido, J.F. Wang, K. Xu, D. Cai, L.F. Bian, X.J. Gong, and H. Yang

28 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

29 Author F. Isa , C. Chèze , M. Siekacz , C. Hauswald , J. Lähnemann , S. Fernández-Garrido , T. Kreilinger , M. Ramsteiner , Y. A. Rojas Dasilva , O. Brandt , G. Isella , R. Erni , R. Calarco , H. Riechert , L. Miglio
Title

Integration of GaN crystals on micro-patterned Si(0 0 1) substrates by plasma-assisted molecular beam epitaxy

Source Cryst. Growth Des. , 15 , 4886 ( 2015 )
DOI : 10.1021/acs.cgd.5b00727 | 2720 Cite : Bibtex RIS
F. Isa, C. Chèze, M. Siekacz, C. Hauswald, J. Lähnemann, S. Fernández-Garrido, T. Kreilinger, M. Ramsteiner, Y. A. Rojas Dasilva, O. Brandt, G. Isella, R. Erni, R. Calarco, H. Riechert, and L. Miglio

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

Stacking faults as quantum wells in nanowires: Density of states, oscillator strength and radiative efficiency

Source Phys. Rev. B , 90 , 195309 ( 2014 )
DOI : 10.1103/PhysRevB.90.195309 | Download: PDF | 2636 Cite : Bibtex RIS
P. Corfdir, C. Hauswald, J. K. Zettler, T. Flissikowski, J. Lähnemann, S. Fernández-Garrido, L. Geelhaar, H. T. Grahn, and O. Brandt

Contact

Prof. Dr. Holger T. Grahn

Head of Department 

+49 30 20377-318

htgrahn@pdi-berlin.de

Dr. Lutz Schrottke

Senior Scientist

+49 30 20377-339

lutz@pdi-berlin.de