@misc{VirgilioManganelliGrossoetal., author = {Virgilio, Michele and Manganelli, Constanza Lucia and Grosso, G. and Schroeder, Thomas and Capellini, Giovanni}, title = {Photoluminescence, recombination rate, and gain spectra in optically excited n-type and tensile strained germanium layers}, series = {Journal of Applied Physics}, volume = {114}, journal = {Journal of Applied Physics}, number = {24}, issn = {0021-8979}, pages = {243102 -- 243102-11}, language = {en} } @misc{VirgilioWitzigmannBologninietal., author = {Virgilio, Michele and Witzigmann, Bernd and Bolognini, Gabriele and Guha, Subhajit and Schr{\"o}der, Thomas and Capellini, Giovanni}, title = {CMOS-compatible, modulator concept based on strain-induced refractive-index modulation}, series = {Optics Express}, volume = {23}, journal = {Optics Express}, number = {5}, issn = {1094-4087}, doi = {10.1364/OE.23.005930}, pages = {5930 -- 5940}, language = {en} } @misc{PeschkaThomasGlitzkyetal., author = {Peschka, Dirk and Thomas, Marc and Glitzky, Annegret and N{\"u}rnberg, Reiner and G{\"a}rtner, Klaus and Virgilio, Michele and Guha, Shekhar and Schr{\"o}der, Thomas and Capellini, Giovanni and Koprucki, Thomas}, title = {Modeling of edge-emitting lasers based on tensile strained Germanium microstripes}, series = {IEEE Photonics Journal}, volume = {7}, journal = {IEEE Photonics Journal}, number = {3}, issn = {1943-0655}, doi = {10.1109/JPHOT.2015.2427093}, language = {en} } @misc{VirgilioSchroederYamamotoetal., author = {Virgilio, Michele and Schr{\"o}der, Thomas and Yamamoto, Yuji and Capellini, Giovanni}, title = {Radiative and non-radiative recombinations in tensile strained Ge microstrips: Photoluminescence experiments and modeling}, series = {Journal of Applied Physics}, volume = {118}, journal = {Journal of Applied Physics}, number = {23}, issn = {1089-7550}, doi = {10.1063/1.4938026}, pages = {233110}, language = {en} } @misc{PeschkaThomasGlitzkyetal., author = {Peschka, Dirk and Thomas, Marita and Glitzky, Annegret and N{\"u}rnberg, Reiner and Virgilio, Michele and Guha, Subhajit and Schr{\"o}der, Thomas and Capellini, Giovanni and Koprucki, Thomas}, title = {Robustness analysis of a device concept for edge-emitting lasers based on strained Germanium}, series = {Optical and Quantum Electronics}, volume = {48}, journal = {Optical and Quantum Electronics}, number = {2, Article 156}, issn = {1572-817X}, pages = {7}, language = {en} } @misc{WendavFischerVirgilioetal., author = {Wendav, Torsten and Fischer, Inga Anita and Virgilio, Michele and Capellini, Giovanni and Oliveira, F. and Cerqueira, M. F. and Benedetti, A. and Chiussi, Stefano and Zaumseil, Peter and Schwartz, Bernhard and Busch, Kurt and Schulze, J.}, title = {Photoluminescence from ultrathin Ge-rich multiple quantum wells observed up to room temperature: Experiments and modeling}, series = {Physical Review B 94}, volume = {94}, journal = {Physical Review B 94}, number = {24}, doi = {10.1103/PhysRevB.94.245304}, pages = {245304}, language = {en} } @misc{FischerBrehmDeSetaetal., author = {Fischer, Inga Anita and Brehm, Moritz and De Seta, Monica and Isella, Giovanni and Paul, Douglas J. and Virgilio, Michele and Capellini, Giovanni}, title = {On-chip infrared photonics with Si-Ge-heterostructures: What is next?}, series = {APL Photonics}, volume = {7}, journal = {APL Photonics}, number = {5}, issn = {2378-0967}, doi = {10.1063/5.0078608}, pages = {050901-1 -- 050901-20}, abstract = {The integration of Ge on Si for photonics applications has reached a high level of maturity: Ge photodetectors are available on the Si platform in foundry processes, and Si/Ge heterostructure multiple quantum-well photodiodes are rapidly progressing toward applications in light modulation. These successes result from decades of development of high-quality material growth and integration, which, more recently, has sparked an increasingly broad field of photonic device research based on Si/Ge heterostructures that extends from quantum cascade lasers to sensors. Here, we highlight selected recent structure and device developments as well as possible future trends that are enabled by the maturity of the SiGe material platform}, language = {en} } @misc{FischerClausenSchwarzetal., author = {Fischer, Inga Anita and Clausen, Caterina J. and Schwarz, Daniel and Zaumseil, Peter and Capellini, Giovanni and Virgilio, Michele and da Silva Figueira, Maria Cecilia and Birner, Stefan and Koelling, Sebastian and Koenraad, Paul M. and Huang, Michael R. S. and Koch, Christoph T. and Wendav, Torsten and Busch, Kurt and Schulze, J{\"o}rg}, title = {Composition analysis and transition energies of ultrathin Sn-rich GeSn quantum wells}, series = {Physical Review Materials}, volume = {4}, journal = {Physical Review Materials}, number = {2}, issn = {2475-9953}, doi = {10.1103/PhysRevMaterials.4.024601}, pages = {10}, language = {en} }