Head of Department Semiconductor Spectroscopy
phone: +49 30 20377 318
phone mobile: 602
room: 0517
email: htgrahn@pdi-berlin.de
Department: Semiconductor Spectroscopy
Core research areas: Intersubband emitters , Nanoanalytics , III-V nanowires for optoelectronics
11 | Author | X. Lü , E. Luna , L. Schrottke , K. Biermann , H. T. Grahn |
Title |
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 | Cite : Bibtex RIS |
12 | Author | 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 |
Title |
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 | Cite : Bibtex RIS |
13 | Author | E. Mompo , M. Ruiz-Garcia , M. Carretero , H. T. Grahn , Y. H. Zhang , L. L. Bonilla |
Title |
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 | Cite : Bibtex RIS |
14 | Author | Y. H. Zhang , Y. Aviad , H. T. Grahn |
Title |
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 | Cite : Bibtex RIS |
15 | Author | L. Schrottke , X. Lü , B. Röben , K. Biermann , M. Wienold , H. Richter , H.-W. Hübers , H. T. Grahn |
Title |
Intrinsic frequency tuning of terahertz quantum-cascade lasers |
|
Source | J. Appl. Phys. , 123 , 213102 ( 2018 ) | |
DOI : 10.1063/1.5024480 | Download: PDF | Cite : Bibtex RIS |
16 | Author | J.E. Boschker , X. Lü , V. Bragaglia , R. Wang , H. T. Grahn , R. Calarco |
Title |
Electrical and optical properties of epitaxial binary and ternary GeTe-Sb2Te3 alloys |
|
Source | Sci. Rep. , 8 , 5889 ( 2018 ) | |
DOI : 10.1038/s41598-018-23221-9 | Download: PDF | Cite : Bibtex RIS |
17 | Author | M. Wienold , T. Alam , L. Schrottke , H. T. Grahn , H.-W. Hübers |
Title |
Doppler-free spectroscopy with a terahertz quantum-cascade laser |
|
Source | Opt. Express , 26 , 6692 ( 2018 ) | |
DOI : 10.1364/OE.26.006692 | Download: PDF | Cite : Bibtex RIS |
18 | Author | P. Corfdir , H. Li , O. Marquardt , G. Gao , M. R. Molas , J. K. Zettler , D. van Treeck , T. Flissikowski , M. Potemski , C. Draxl , A. Trampert , S. Fernández-Garrido , H. T. Grahn , O. Brandt |
Title |
Crystal-phase quantum wires: One-dimensional heterostructures with atomically flat interfaces |
|
Source | Nano Lett. , 18 , 247 ( 2018 ) | |
DOI : 10.1021/acs.nanolett.7b03997 | Cite : Bibtex RIS |
19 | Author | T. Hagelschuer , M. Wienold , H. Richter , L. Schrottke , H. T. Grahn , H.-W. Hübers |
Title |
Real-time gas sensing based on optical feedback in a terahertz quantum-cascade laser |
|
Source | Opt. Express , 25 , 30203 ( 2017 ) | |
DOI : 10.1364/OE.25.030203 | Download: PDF | Cite : Bibtex RIS |
20 | Author | F. Feix , T. Flissikowski , K. K. Sabelfeld , V. M. Kaganer , M. Wölz , L. Geelhaar , H. T. Grahn , O. Brandt |
Title |
Ga-Polar (In,Ga)N/GaN Quantum Wells Versus N-Polar (In,Ga)N Quantum Disks in GaN Nanowires: A Comparative Analysis of Carrier Recombination, Diffusion, and Radiative Efficiency |
|
Source | Phys. Rev. Appl. , 8 , 014032 ( 2017 ) | |
DOI : 10.1103/PhysRevApplied.8.014032 | Download arXiv: 1703.06715 | Cite : Bibtex RIS |