@article{16110, author = {{Jotzu, Gregor and Bartley, Tim and Coldenstrodt-Ronge, Hendrik B. and Smith, Brian J. and Walmsley, Ian A.}}, issn = {{0950-0340}}, journal = {{Journal of Modern Optics}}, pages = {{42--45}}, title = {{{Continuous phase stabilization and active interferometer control using two modes}}}, doi = {{10.1080/09500340.2011.621033}}, year = {{2011}}, } @article{7495, author = {{Urbanski, Martin and Piegdon, Karoline A. and Meier, Cedrik and Kitzerow, Heinz-Siegfried}}, issn = {{0267-8292}}, journal = {{Liquid Crystals}}, number = {{4}}, pages = {{475--482}}, publisher = {{Informa UK Limited}}, title = {{{Investigations on the director field around microdisc resonators}}}, doi = {{10.1080/02678292.2011.552742}}, volume = {{38}}, year = {{2011}}, } @article{4146, abstract = {{The existence of anti-phase domains in cubic GaN grown on 3C-SiC/Si (001) substrates by plasma-assisted molecular beam epitaxy is reported. The influence of the 3C-SiC/Si (001) substrate morphology is studied with emphasis on the anti-phase domains (APDs). The GaN nucleation is governed by the APDs of the substrate, resulting in equal plane orientation and the same anti-phase boundaries. The presence of the APDs is independent of the GaN layer thickness. Atomic force microscopy surface analysis indicates lateral growth anisotropy of GaN facets in dependence of the APD orientation. This anisotropy can be linked to Ga and N face types of the {111} planes, similar to observations of anisotropic growth in 3C-SiC. In contrast to 3C-SiC, however, a difference in GaN phase composition for the two types of APDs can be measured by electron backscatter diffraction, μ-Raman and cathodoluminescence spectroscopy.}}, author = {{Maria Kemper, Ricarda and Schupp, Thorsten and Häberlen, Maik and Niendorf, Thomas and Maier, Hans-Jürgen and Dempewolf, Anja and Bertram, Frank and Christen, Jürgen and Kirste, Ronny and Hoffmann, Axel and Lindner, Jörg and As, Donat}}, issn = {{0021-8979}}, journal = {{Journal of Applied Physics}}, number = {{12}}, publisher = {{AIP Publishing}}, title = {{{Anti-phase domains in cubic GaN}}}, doi = {{10.1063/1.3666050}}, volume = {{110}}, year = {{2011}}, } @article{29677, author = {{Helmstedt, Andreas and Müller, Norbert and Gryzia, Aaron and Dohmeier, Niklas and Brechling, Armin and Sacher, Marc and Heinzmann, Ulrich and Hoeke, Veronika and Krickemeyer, Erich and Glaser, Thorsten and Bouvron, Samuel and Fonin, Mikhail and Neumann, Manfred}}, issn = {{0953-8984}}, journal = {{Journal of Physics: Condensed Matter}}, keywords = {{Condensed Matter Physics, General Materials Science}}, number = {{26}}, publisher = {{IOP Publishing}}, title = {{{Spin resolved photoelectron spectroscopy of [Mn6IIICrIII]3 +single-molecule magnets and of manganese compounds as reference layers}}}, doi = {{10.1088/0953-8984/23/26/266001}}, volume = {{23}}, year = {{2011}}, } @article{29676, author = {{Helmstedt, Andreas and Sacher, Marc and Gryzia, Aaron and Harder, Alexander and Brechling, Armin and Müller, Norbert and Heinzmann, Ulrich and Hoeke, Veronika and Krickemeyer, Erich and Glaser, Thorsten and Bouvron, Samuel and Fonin, Mikhail}}, issn = {{0368-2048}}, journal = {{Journal of Electron Spectroscopy and Related Phenomena}}, keywords = {{Physical and Theoretical Chemistry, Spectroscopy, Condensed Matter Physics, Atomic and Molecular Physics, and Optics, Radiation, Electronic, Optical and Magnetic Materials}}, number = {{11-12}}, pages = {{583--588}}, publisher = {{Elsevier BV}}, title = {{{Exposure of [MnIII6CrIII]3+ single-molecule magnets to soft X-rays: The effect of the counterions on radiation stability}}}, doi = {{10.1016/j.elspec.2011.11.002}}, volume = {{184}}, year = {{2011}}, } @article{40177, author = {{Regensburger, Alois and Bersch, Christoph and Hinrichs, Benjamin and Onishchukov, Georgy and Schreiber, Andreas and Silberhorn, Christine and Peschel, Ulf}}, issn = {{0031-9007}}, journal = {{Physical Review Letters}}, keywords = {{General Physics and Astronomy}}, number = {{23}}, publisher = {{American Physical Society (APS)}}, title = {{{Photon Propagation in a Discrete Fiber Network: An Interplay of Coherence and Losses}}}, doi = {{10.1103/physrevlett.107.233902}}, volume = {{107}}, year = {{2011}}, } @article{40178, author = {{Schreiber, A. and Cassemiro, K. N. and Potoček, V. and Gábris, A. and Jex, I. and Silberhorn, Christine}}, issn = {{0031-9007}}, journal = {{Physical Review Letters}}, keywords = {{General Physics and Astronomy}}, number = {{18}}, publisher = {{American Physical Society (APS)}}, title = {{{Decoherence and Disorder in Quantum Walks: From Ballistic Spread to Localization}}}, doi = {{10.1103/physrevlett.106.180403}}, volume = {{106}}, year = {{2011}}, } @article{40180, author = {{Laiho, K. and Christ, A. and Cassemiro, K. N. and Silberhorn, Christine}}, issn = {{0146-9592}}, journal = {{Optics Letters}}, keywords = {{Atomic and Molecular Physics, and Optics}}, number = {{8}}, publisher = {{The Optical Society}}, title = {{{Testing spectral filters as Gaussian quantum optical channels}}}, doi = {{10.1364/ol.36.001476}}, volume = {{36}}, year = {{2011}}, } @article{40182, author = {{Söller, Christoph and Cohen, Offir and Smith, Brian J. and Walmsley, Ian A. and Silberhorn, Christine}}, issn = {{1050-2947}}, journal = {{Physical Review A}}, keywords = {{Atomic and Molecular Physics, and Optics}}, number = {{3}}, publisher = {{American Physical Society (APS)}}, title = {{{High-performance single-photon generation with commercial-grade optical fiber}}}, doi = {{10.1103/physreva.83.031806}}, volume = {{83}}, year = {{2011}}, } @article{40186, author = {{Eckstein, Andreas and Christ, Andreas and Mosley, Peter J. and Silberhorn, Christine}}, issn = {{1862-6351}}, journal = {{physica status solidi c}}, keywords = {{Condensed Matter Physics}}, number = {{4}}, pages = {{1216--1219}}, publisher = {{Wiley}}, title = {{{Realistic g (2) measurement of a PDC source with single photon detectors in the presence of background}}}, doi = {{10.1002/pssc.201000876}}, volume = {{8}}, year = {{2011}}, } @article{40187, author = {{Eckstein, Andreas and Christ, Andreas and Mosley, Peter J. and Silberhorn, Christine}}, issn = {{0031-9007}}, journal = {{Physical Review Letters}}, keywords = {{General Physics and Astronomy}}, number = {{1}}, publisher = {{American Physical Society (APS)}}, title = {{{Highly Efficient Single-Pass Source of Pulsed Single-Mode Twin Beams of Light}}}, doi = {{10.1103/physrevlett.106.013603}}, volume = {{106}}, year = {{2011}}, } @article{40183, author = {{Christ, Andreas and Laiho, Kaisa and Eckstein, Andreas and Cassemiro, Katiúscia N and Silberhorn, Christine}}, issn = {{1367-2630}}, journal = {{New Journal of Physics}}, keywords = {{General Physics and Astronomy}}, number = {{3}}, publisher = {{IOP Publishing}}, title = {{{Probing multimode squeezing with correlation functions}}}, doi = {{10.1088/1367-2630/13/3/033027}}, volume = {{13}}, year = {{2011}}, } @article{40190, author = {{Rohde, Peter P and Schreiber, Andreas and Štefaňák, Martin and Jex, Igor and Silberhorn, Christine}}, issn = {{1367-2630}}, journal = {{New Journal of Physics}}, keywords = {{General Physics and Astronomy}}, number = {{1}}, publisher = {{IOP Publishing}}, title = {{{Multi-walker discrete time quantum walks on arbitrary graphs, their properties and their photonic implementation}}}, doi = {{10.1088/1367-2630/13/1/013001}}, volume = {{13}}, year = {{2011}}, } @inproceedings{4312, abstract = {{The intensity dependence of optically-induced injection currents in semiconductor quantum wells is investigated numerically. Oscillatory behavior of the electron charge current transients as function of intensity and time is predicted and explained.}}, author = {{Pochwala, Michal and Duc, Huynh Thanh and Förstner, Jens and Meier, Torsten}}, booktitle = {{CLEO:2011 - Laser Applications to Photonic Applications}}, isbn = {{9781557529107}}, issn = {{2160-8989 }}, keywords = {{tet_topic_qw}}, location = {{Baltimore, Maryland (USA)}}, publisher = {{Optical Society of America}}, title = {{{Intensity dependence of optically-induced injection currents in semiconductor quantum wells}}}, doi = {{10.1364/qels.2011.qmk4}}, year = {{2011}}, } @inproceedings{4043, abstract = {{We present numerical results of the mutual coupling between photonic crystal cavities and semiconductor quantum dots. Normal mode splitting between a single cavity mode and a single quantum dot is shown under weak excitation, while under strong excitation Q‐factor dependent side bands appear, according to the AC‐Stark effect. Coupled photonic crystals, aligned parallel but displaced under a 30°‐angle for efficient coupling, show line splittings of all eigenmodes, if a single eigenmode is resonantly coupled to a single quantum dot. The mutual coupling of N resonant quantum dots to a single cavity mode results in a N−−√ scaling of the splitting, known from quantum optics, but corrected by the field amplitude fraction for not collocated quantum dots.}}, author = {{Declair, S. and Song, X. and Meier, Torsten and Förstner, Jens}}, booktitle = {{THE FOURTH INTERNATIONAL WORKSHOP 2011}}, keywords = {{tet_topic_phc, tet_topic_qd}}, location = {{Bad Honnef}}, number = {{123}}, pages = {{123--125}}, publisher = {{AIP}}, title = {{{Simulation of Mutual Coupling of Photonic Crystal Cavity Modes and Semiconductor Quantum Dots}}}, doi = {{10.1063/1.3644232}}, volume = {{1398}}, year = {{2011}}, } @article{44059, abstract = {{A novel adaptive wavelet based method is presented that allows us to compute eigenvalues and eigenvectors of the electronic Schrödinger equation. Our method outperforms direct discretization methods with equidistant grid spacings, in particular, for problems that involve several length scales. As an application we present numerical evaluations of the energetically lowest exciton states for ordered and disordered semiconductor quantum wires.}}, author = {{Meier, Torsten and Mollet, Christian and Kunoth, Angela}}, journal = {{AIP Conference Proceedings}}, number = {{1}}, pages = {{156--158}}, publisher = {{American Institute of Physics}}, title = {{{Wavelet‐Based Adaptive Computations of the Excitonic Eigenstates of Disordered Semiconductor Quantum Wires}}}, doi = {{10.1063/1.3644243}}, volume = {{1398}}, year = {{2011}}, } @inproceedings{4048, abstract = {{We present an ab-initio method for calculating nonlinear and nonlocal optical effects in metallic slabs with sub-wavelength thickness. We find a strong localization of the second-harmonic current at the metal-vacuum interface.}}, author = {{Wand, Mathias and Schindlmayr, Arno and Meier, Torsten and Förstner, Jens}}, booktitle = {{CLEO:2011 - Laser Applications to Photonic Applications }}, isbn = {{978-1-4577-1223-4}}, issn = {{2160-8989}}, keywords = {{tet_topic_shg}}, location = {{Baltimore, Maryland, United States}}, publisher = {{Optical Society of America}}, title = {{{Theoretical approach to the ultrafast nonlinear optical response of metal slabs}}}, doi = {{10.1364/CLEO_AT.2011.JTuI59}}, year = {{2011}}, } @article{43259, abstract = {{The extreme nonlinear terahertz response of initially unexcited intrinsic semiconductor nanostructures is studied theoretically by solving extended semiconductor Bloch equations numerically. The coupled dynamics of intraband acceleration and multiphoton interband transitions leads to high-harmonic generation up to several tens of the exciting terahertz frequency. It is shown that the actual cut-off frequency is determined by the band structure and not by the excitation strength.}}, author = {{Golde, D. and Kira, M. and Meier, Torsten and Koch, S.W.}}, journal = {{physica status solidi (b)}}, number = {{4}}, pages = {{863--866}}, publisher = {{WILEY‐VCH Verlag}}, title = {{{Microscopic theory of the extremely nonlinear terahertz response of semiconductors}}}, doi = {{10.1002/pssb.201000840}}, volume = {{248}}, year = {{2011}}, } @inproceedings{44060, abstract = {{In recent years, single-walled carbon nanotubes (SWCNTs) have received widespread attention due to their perfect quasi-one-dimensional structure and unique physical properties, as well as their potential for applications. In the present work, we calculate the band structure of SWCNTs using an atomistic tight-binding model including spin-orbit interaction. We combine this approach with a many-particle calculation of the nonlinear optical response using multi-band semiconductor Bloch equations. We show that, for SWCNTs lacking inversion symmetry, the intrinsic spin-orbit interaction can give rise to single-color photoinduced charge and spin currents. In particular, we study the influence of excitonic effects on these photoinduced currents and draw the analogy to recent investigations on single-color injection of photocurrents in semiconductor quantum wells.}}, author = {{Meier, Torsten and Liu, Hong and Duc, Huynh Thanh and Schumache, Stefan}}, booktitle = {{75. Annual meeting of the DPG and combined DPG Spring meeting}}, issn = {{0420-0195}}, location = {{Dresden, Germany}}, number = {{1}}, title = {{{Photocurrents in semiconductor carbon nanotubes with spin-orbit interaction}}}, volume = {{46}}, year = {{2011}}, } @inproceedings{44062, abstract = {{Optical two-dimensional Fourier transform spectroscopy has been used to study the properties of semiconductor nanostructures in four-wave-mixing like experiments. Applying a phenomenological level model, we numerically and analytically analyze the main features of excitonic and biexcitonic contributions in a semiconductor quantum well by solving the optical Bloch equations. The method is extended to three-dimensional Fourier transform spectroscopy to investigate a recent experiment.}}, author = {{Meier, Torsten and Wiebeler, Christian and Reichelt, Matthias}}, booktitle = {{ 75. Annual meeting of the DPG and combined DPG Spring meeting }}, issn = {{0420-0195}}, location = {{Dresden, Germany}}, number = {{1}}, title = {{{Analysis of multidimensional Fourier transform spectroscopy for semiconductors with a phenomenological level model}}}, volume = {{46}}, year = {{2011}}, }