[{"publication_status":"published","date_updated":"2023-05-01T11:49:59Z","publication_identifier":{"isbn":["1-55752-302-9"]},"author":[{"full_name":"Meier, Torsten","last_name":"Meier","orcid":"0000-0001-8864-2072","first_name":"Torsten","id":"344"},{"full_name":"Bennhardt, D.","last_name":"Bennhardt","first_name":"D."},{"full_name":"Thomas, P.","last_name":"Thomas","first_name":"P."},{"full_name":"Eccleston, R.","first_name":"R.","last_name":"Eccleston"},{"full_name":"Mayer, E.","last_name":"Mayer","first_name":"E."},{"first_name":"J.","last_name":"Kuhl","full_name":"Kuhl, J."}],"conference":{"end_date":"1993-05-07","start_date":"1993-05-02","name":"Quantum Electronics and Laser Science Conference 1993","location":"Baltimore, Maryland United States"},"title":"Theory for polarization-dependent four-wave-mixing signals in quantum wells","year":"1993","status":"public","user_id":"49063","language":[{"iso":"eng"}],"_id":"44286","article_number":"QMG1","main_file_link":[{"url":"https://opg.optica.org/abstract.cfm?uri=qels-1993-QMG1"}],"extern":"1","abstract":[{"text":"In degenerate four-wave-mixing (DFWM) experiments the polarization of the incident laser pulses can have a strong influence on the measured signal. For GaAs quantum wells a number of DFWM experiments were performed by using either parallel or perpendicular polarization of the incident laser pulses. Experimentally, it turned out that some characteristic features of the signal differ appreciably for the two configurations. In particular, different dephasing times, phase shifts of the quantum beats, different time-resolved behavior (echoes versus free-induction decay), and intensity dependence of the measured signal have been reported","lang":"eng"}],"citation":{"chicago":"Meier, Torsten, D. Bennhardt, P. Thomas, R. Eccleston, E. Mayer, and J. Kuhl. “Theory for Polarization-Dependent Four-Wave-Mixing Signals in Quantum Wells.” In <i>Quantum Electronics and Laser Science Conference</i>, 1993.","short":"T. Meier, D. Bennhardt, P. Thomas, R. Eccleston, E. Mayer, J. Kuhl, in: Quantum Electronics and Laser Science Conference, 1993.","ieee":"T. Meier, D. Bennhardt, P. Thomas, R. Eccleston, E. Mayer, and J. Kuhl, “Theory for polarization-dependent four-wave-mixing signals in quantum wells,” presented at the Quantum Electronics and Laser Science Conference 1993, Baltimore, Maryland United States, 1993.","apa":"Meier, T., Bennhardt, D., Thomas, P., Eccleston, R., Mayer, E., &#38; Kuhl, J. (1993). Theory for polarization-dependent four-wave-mixing signals in quantum wells. <i>Quantum Electronics and Laser Science Conference</i>, Article QMG1. Quantum Electronics and Laser Science Conference 1993, Baltimore, Maryland United States.","bibtex":"@inproceedings{Meier_Bennhardt_Thomas_Eccleston_Mayer_Kuhl_1993, title={Theory for polarization-dependent four-wave-mixing signals in quantum wells}, number={QMG1}, booktitle={Quantum Electronics and Laser Science Conference}, author={Meier, Torsten and Bennhardt, D. and Thomas, P. and Eccleston, R. and Mayer, E. and Kuhl, J.}, year={1993} }","ama":"Meier T, Bennhardt D, Thomas P, Eccleston R, Mayer E, Kuhl J. Theory for polarization-dependent four-wave-mixing signals in quantum wells. In: <i>Quantum Electronics and Laser Science Conference</i>. ; 1993.","mla":"Meier, Torsten, et al. “Theory for Polarization-Dependent Four-Wave-Mixing Signals in Quantum Wells.” <i>Quantum Electronics and Laser Science Conference</i>, QMG1, 1993."},"publication":"Quantum Electronics and Laser Science Conference","department":[{"_id":"293"}],"type":"conference","date_created":"2023-05-01T11:49:56Z"},{"type":"conference","department":[{"_id":"293"}],"date_created":"2023-05-01T11:53:23Z","extern":"1","abstract":[{"lang":"eng","text":"We investigate the coherent coupling of free and bound excitonic transitions, as wets as of distinct excitonic transitions arising from spatially separated quantum-well islands by means of time-resolved four-wave-mixing experiments."}],"publication":"Quantum Electronics and Laser Science Conference","citation":{"ieee":"T. Meier <i>et al.</i>, “Coherent coupling of exciton transitions in semiconductor quantum structures,” presented at the Quantum Electronics and Laser Science Conference 1993, Baltimore, Maryland United States, 1993.","apa":"Meier, T., Koch, M., Feldmann, J., von Plessen, G., Schulze, A., Göbel, E. O., Thomas, P., Schmitt-Rink, S., Shah, J., Ploog, K., &#38; Köhler, K. (1993). Coherent coupling of exciton transitions in semiconductor quantum structures. <i>Quantum Electronics and Laser Science Conference</i>, Article QMC6. Quantum Electronics and Laser Science Conference 1993, Baltimore, Maryland United States.","short":"T. Meier, M. Koch, J. Feldmann, G. von Plessen, A. Schulze, E.O. Göbel, P. Thomas, S. Schmitt-Rink, J. Shah, K. Ploog, K. Köhler, in: Quantum Electronics and Laser Science Conference, 1993.","chicago":"Meier, Torsten, M. Koch, J. Feldmann, G. von Plessen, A. Schulze, E.O. Göbel, P. Thomas, et al. “Coherent Coupling of Exciton Transitions in Semiconductor Quantum Structures.” In <i>Quantum Electronics and Laser Science Conference</i>, 1993.","mla":"Meier, Torsten, et al. “Coherent Coupling of Exciton Transitions in Semiconductor Quantum Structures.” <i>Quantum Electronics and Laser Science Conference</i>, QMC6, 1993.","bibtex":"@inproceedings{Meier_Koch_Feldmann_von Plessen_Schulze_Göbel_Thomas_Schmitt-Rink_Shah_Ploog_et al._1993, title={Coherent coupling of exciton transitions in semiconductor quantum structures}, number={QMC6}, booktitle={Quantum Electronics and Laser Science Conference}, author={Meier, Torsten and Koch, M. and Feldmann, J. and von Plessen, G. and Schulze, A. and Göbel, E.O. and Thomas, P. and Schmitt-Rink, S. and Shah, J. and Ploog, K. and et al.}, year={1993} }","ama":"Meier T, Koch M, Feldmann J, et al. Coherent coupling of exciton transitions in semiconductor quantum structures. In: <i>Quantum Electronics and Laser Science Conference</i>. ; 1993."},"user_id":"49063","article_number":"QMC6","main_file_link":[{"url":"https://opg.optica.org/abstract.cfm?uri=QELS-1993-QMC6"}],"language":[{"iso":"eng"}],"_id":"44287","publication_status":"published","date_updated":"2023-05-01T11:53:27Z","status":"public","title":"Coherent coupling of exciton transitions in semiconductor quantum structures","year":"1993","publication_identifier":{"isbn":["1-55752-302-9"]},"author":[{"last_name":"Meier","orcid":"0000-0001-8864-2072","first_name":"Torsten","full_name":"Meier, Torsten","id":"344"},{"full_name":"Koch, M.","first_name":"M.","last_name":"Koch"},{"last_name":"Feldmann","first_name":"J.","full_name":"Feldmann, J."},{"last_name":"von Plessen","first_name":"G.","full_name":"von Plessen, G."},{"full_name":"Schulze, A.","first_name":"A.","last_name":"Schulze"},{"full_name":"Göbel, E.O.","last_name":"Göbel","first_name":"E.O."},{"last_name":"Thomas","first_name":"P.","full_name":"Thomas, P."},{"full_name":"Schmitt-Rink, S.","first_name":"S.","last_name":"Schmitt-Rink"},{"full_name":"Shah, J.","last_name":"Shah","first_name":"J."},{"full_name":"Ploog, K.","first_name":"K.","last_name":"Ploog"},{"full_name":"Köhler, K.","last_name":"Köhler","first_name":"K."}],"conference":{"location":"Baltimore, Maryland United States","name":"Quantum Electronics and Laser Science Conference 1993","start_date":"1993-05-02","end_date":"1993-05-07"}},{"citation":{"mla":"Meier, Torsten, et al. “Dissipative Dynamics of an Electronic Wavepacket in a Semiconductor Double Well Potential.” <i>IEEE Journal of Quantum Electronics</i>, vol. 28, no. 10, IEEE, 1992, pp. 2498–507, doi:<a href=\"https://doi.org/10.1109/3.159556\">10.1109/3.159556</a>.","ama":"Meier T, Leo K, Shah J, et al. Dissipative Dynamics of an Electronic Wavepacket in a Semiconductor Double Well Potential. <i>IEEE journal of quantum electronics</i>. 1992;28(10):2498-2507. doi:<a href=\"https://doi.org/10.1109/3.159556\">10.1109/3.159556</a>","bibtex":"@article{Meier_Leo_Shah_Damen_Schulze_Schmitt-Rink_Thomas_Göbel_Chuang_Luo_et al._1992, title={Dissipative Dynamics of an Electronic Wavepacket in a Semiconductor Double Well Potential}, volume={28}, DOI={<a href=\"https://doi.org/10.1109/3.159556\">10.1109/3.159556</a>}, number={10}, journal={IEEE journal of quantum electronics}, publisher={IEEE}, author={Meier, Torsten and Leo, K. and Shah, J. and Damen, T.C. and Schulze, A. and Schmitt-Rink, S. and Thomas, P. and Göbel, E.O. and Chuang, S.L. and Luo, M.S.C. and et al.}, year={1992}, pages={2498–2507} }","apa":"Meier, T., Leo, K., Shah, J., Damen, T. C., Schulze, A., Schmitt-Rink, S., Thomas, P., Göbel, E. O., Chuang, S. L., Luo, M. S. C., Schäfer, W., Köhler, K., &#38; Ganser, P. (1992). Dissipative Dynamics of an Electronic Wavepacket in a Semiconductor Double Well Potential. <i>IEEE Journal of Quantum Electronics</i>, <i>28</i>(10), 2498–2507. <a href=\"https://doi.org/10.1109/3.159556\">https://doi.org/10.1109/3.159556</a>","ieee":"T. Meier <i>et al.</i>, “Dissipative Dynamics of an Electronic Wavepacket in a Semiconductor Double Well Potential,” <i>IEEE journal of quantum electronics</i>, vol. 28, no. 10, pp. 2498–2507, 1992, doi: <a href=\"https://doi.org/10.1109/3.159556\">10.1109/3.159556</a>.","chicago":"Meier, Torsten, K. Leo, J. Shah, T.C. Damen, A. Schulze, S. Schmitt-Rink, P. Thomas, et al. “Dissipative Dynamics of an Electronic Wavepacket in a Semiconductor Double Well Potential.” <i>IEEE Journal of Quantum Electronics</i> 28, no. 10 (1992): 2498–2507. <a href=\"https://doi.org/10.1109/3.159556\">https://doi.org/10.1109/3.159556</a>.","short":"T. Meier, K. Leo, J. Shah, T.C. Damen, A. Schulze, S. Schmitt-Rink, P. Thomas, E.O. Göbel, S.L. Chuang, M.S.C. Luo, W. Schäfer, K. Köhler, P. Ganser, IEEE Journal of Quantum Electronics 28 (1992) 2498–2507."},"publisher":"IEEE","_id":"43444","page":"2498-2507","volume":28,"user_id":"49063","status":"public","date_created":"2023-04-11T05:25:02Z","department":[{"_id":"293"}],"type":"journal_article","publication":"IEEE journal of quantum electronics","issue":"10","abstract":[{"text":"The authors present a detailed study of coherent tunneling oscillations of an optically excited electronic wavepacket in a semiconductor double quantum-well structure. The oscillation of the wavepacket between the two wells is traced by time-resolved pump-probe spectroscopy as well as time-resolved degenerate four-wave mixing. The experimental observations are compared with a simple theoretical model. The motion of the wave packet is studied as a function of both an external electric field and the lattice temperature. While the oscillation frequency shows the expected dependence on electric field, it increases with temperature at fixed electric field when perfectly delocalized electronic states exist at low temperature.","lang":"eng"}],"extern":"1","language":[{"iso":"eng"}],"main_file_link":[{"url":"https://ieeexplore.ieee.org/abstract/document/159556"}],"doi":"10.1109/3.159556","publication_identifier":{"eissn":["1558-1713"],"issn":["0018-9197"]},"author":[{"id":"344","orcid":"0000-0001-8864-2072","last_name":"Meier","first_name":"Torsten","full_name":"Meier, Torsten"},{"first_name":"K.","last_name":"Leo","full_name":"Leo, K."},{"first_name":"J.","last_name":"Shah","full_name":"Shah, J."},{"full_name":"Damen, T.C.","first_name":"T.C.","last_name":"Damen"},{"full_name":"Schulze, A.","last_name":"Schulze","first_name":"A."},{"full_name":"Schmitt-Rink, S.","first_name":"S.","last_name":"Schmitt-Rink"},{"last_name":"Thomas","first_name":"P.","full_name":"Thomas, P."},{"full_name":"Göbel, E.O.","first_name":"E.O.","last_name":"Göbel"},{"last_name":"Chuang","first_name":"S.L.","full_name":"Chuang, S.L."},{"full_name":"Luo, M.S.C.","last_name":"Luo","first_name":"M.S.C."},{"first_name":"W.","last_name":"Schäfer","full_name":"Schäfer, W."},{"last_name":"Köhler","first_name":"K.","full_name":"Köhler, K."},{"full_name":"Ganser, P.","first_name":"P.","last_name":"Ganser"}],"year":"1992","title":"Dissipative Dynamics of an Electronic Wavepacket in a Semiconductor Double Well Potential","intvolume":"        28","date_updated":"2023-04-11T05:25:04Z","publication_status":"published"},{"author":[{"id":"344","last_name":"Meier","first_name":"Torsten","orcid":"0000-0001-8864-2072","full_name":"Meier, Torsten"},{"last_name":"Feldmann","first_name":"J.","full_name":"Feldmann, J."},{"full_name":"Leo, K.","last_name":"Leo","first_name":"K."},{"last_name":"Shah","first_name":"J.","full_name":"Shah, J."},{"full_name":"Miller, D.A.B.","last_name":"Miller","first_name":"D.A.B."},{"first_name":"J.E.","last_name":"Cunningham","full_name":"Cunningham, J.E."},{"full_name":"von Plessen, G.","last_name":"von Plessen","first_name":"G."},{"first_name":"A.","last_name":"Schulze","full_name":"Schulze, A."},{"last_name":"Thomas","first_name":"P.","full_name":"Thomas, P."},{"last_name":"Schmitt-Rink","first_name":"S.","full_name":"Schmitt-Rink, S."}],"title":"Optical investigation of Bloch oscillations in a semiconductor superlattice","year":"1992","intvolume":"        46","publication_status":"published","date_updated":"2023-04-11T05:20:42Z","language":[{"iso":"eng"}],"main_file_link":[{"url":"https://journals.aps.org/prb/abstract/10.1103/PhysRevB.46.7252"}],"doi":"10.1103/PhysRevB.46.7252","publication":"Physical Review B","issue":"11","extern":"1","abstract":[{"text":"We report the study of optical dephazing of Wannier-Stark ladder excitations in a semiconductor superlattice by means of transient degenerate four-wave mixing. We observe pronounced modulations of the signal with a time period varying linearly with the electric field. The time period is found to equal the temporal periodicity of Bloch oscillations, in agreement with theory. In addition, we find that the dephazing time decreases with increasing localization of the Wannier-Stark states, which is attributed to carrier escape out of the lowest miniband.","lang":"eng"}],"date_created":"2023-04-11T05:20:39Z","department":[{"_id":"293"}],"type":"journal_article","status":"public","_id":"43443","publisher":"American Physical Society","page":"7252-7255","volume":46,"user_id":"49063","citation":{"mla":"Meier, Torsten, et al. “Optical Investigation of Bloch Oscillations in a Semiconductor Superlattice.” <i>Physical Review B</i>, vol. 46, no. 11, American Physical Society, 1992, pp. 7252–55, doi:<a href=\"https://doi.org/10.1103/PhysRevB.46.7252\">10.1103/PhysRevB.46.7252</a>.","ama":"Meier T, Feldmann J, Leo K, et al. Optical investigation of Bloch oscillations in a semiconductor superlattice. <i>Physical Review B</i>. 1992;46(11):7252-7255. doi:<a href=\"https://doi.org/10.1103/PhysRevB.46.7252\">10.1103/PhysRevB.46.7252</a>","bibtex":"@article{Meier_Feldmann_Leo_Shah_Miller_Cunningham_von Plessen_Schulze_Thomas_Schmitt-Rink_1992, title={Optical investigation of Bloch oscillations in a semiconductor superlattice}, volume={46}, DOI={<a href=\"https://doi.org/10.1103/PhysRevB.46.7252\">10.1103/PhysRevB.46.7252</a>}, number={11}, journal={Physical Review B}, publisher={American Physical Society}, author={Meier, Torsten and Feldmann, J. and Leo, K. and Shah, J. and Miller, D.A.B. and Cunningham, J.E. and von Plessen, G. and Schulze, A. and Thomas, P. and Schmitt-Rink, S.}, year={1992}, pages={7252–7255} }","apa":"Meier, T., Feldmann, J., Leo, K., Shah, J., Miller, D. A. B., Cunningham, J. E., von Plessen, G., Schulze, A., Thomas, P., &#38; Schmitt-Rink, S. (1992). Optical investigation of Bloch oscillations in a semiconductor superlattice. <i>Physical Review B</i>, <i>46</i>(11), 7252–7255. <a href=\"https://doi.org/10.1103/PhysRevB.46.7252\">https://doi.org/10.1103/PhysRevB.46.7252</a>","ieee":"T. Meier <i>et al.</i>, “Optical investigation of Bloch oscillations in a semiconductor superlattice,” <i>Physical Review B</i>, vol. 46, no. 11, pp. 7252–7255, 1992, doi: <a href=\"https://doi.org/10.1103/PhysRevB.46.7252\">10.1103/PhysRevB.46.7252</a>.","short":"T. Meier, J. Feldmann, K. Leo, J. Shah, D.A.B. Miller, J.E. Cunningham, G. von Plessen, A. Schulze, P. Thomas, S. Schmitt-Rink, Physical Review B 46 (1992) 7252–7255.","chicago":"Meier, Torsten, J. Feldmann, K. Leo, J. Shah, D.A.B. Miller, J.E. Cunningham, G. von Plessen, A. Schulze, P. Thomas, and S. Schmitt-Rink. “Optical Investigation of Bloch Oscillations in a Semiconductor Superlattice.” <i>Physical Review B</i> 46, no. 11 (1992): 7252–55. <a href=\"https://doi.org/10.1103/PhysRevB.46.7252\">https://doi.org/10.1103/PhysRevB.46.7252</a>."}},{"department":[{"_id":"293"}],"type":"journal_article","date_created":"2023-04-11T05:28:59Z","abstract":[{"text":"Femtosecond nonlinear laser spectroscopy is applied to study the dynamics of coherent optical excitations in semiconductors. In particular, excitonic excitations in quantum wells and superlattice structures are considered. Two examples demonstrate that four-wave mixing experiments with time-resolved detection of the nonlinear signal are able to distinguish between quantum beats and polarization interference.v","lang":"eng"}],"extern":"1","publication":"physica status solidi (b)","issue":"1","doi":"10.1002/pssb.2221730103","language":[{"iso":"eng"}],"main_file_link":[{"url":"https://onlinelibrary.wiley.com/doi/10.1002/pssb.2221730103"}],"intvolume":"       173","date_updated":"2023-04-11T05:29:05Z","publication_status":"published","author":[{"full_name":"Meier, Torsten","orcid":"0000-0001-8864-2072","last_name":"Meier","first_name":"Torsten","id":"344"},{"full_name":"Göbel, E.O.","last_name":"Göbel","first_name":"E.O."},{"first_name":"M.","last_name":"Koch","full_name":"Koch, M."},{"first_name":"J.","last_name":"Feldmann","full_name":"Feldmann, J."},{"full_name":"von Plessen, G.","first_name":"G.","last_name":"von Plessen"},{"full_name":"Schulze, A.","last_name":"Schulze","first_name":"A."},{"full_name":"Thomas, P.","last_name":"Thomas","first_name":"P."},{"first_name":"S.","last_name":"Schmitt-Rink","full_name":"Schmitt-Rink, S."},{"full_name":"Köhler, K.","last_name":"Köhler","first_name":"K."},{"first_name":"K.","last_name":"Ploog","full_name":"Ploog, K."}],"title":"Time Resolved Four Wave Mixing in GaAs/AlAs Quantum Well Structures","year":"1992","citation":{"mla":"Meier, Torsten, et al. “Time Resolved Four Wave Mixing in GaAs/AlAs Quantum Well Structures.” <i>Physica Status Solidi (b)</i>, vol. 173, no. 1, 1992, pp. 21–30, doi:<a href=\"https://doi.org/10.1002/pssb.2221730103\">10.1002/pssb.2221730103</a>.","ama":"Meier T, Göbel EO, Koch M, et al. Time Resolved Four Wave Mixing in GaAs/AlAs Quantum Well Structures. <i>physica status solidi (b)</i>. 1992;173(1):21-30. doi:<a href=\"https://doi.org/10.1002/pssb.2221730103\">10.1002/pssb.2221730103</a>","bibtex":"@article{Meier_Göbel_Koch_Feldmann_von Plessen_Schulze_Thomas_Schmitt-Rink_Köhler_Ploog_1992, title={Time Resolved Four Wave Mixing in GaAs/AlAs Quantum Well Structures}, volume={173}, DOI={<a href=\"https://doi.org/10.1002/pssb.2221730103\">10.1002/pssb.2221730103</a>}, number={1}, journal={physica status solidi (b)}, author={Meier, Torsten and Göbel, E.O. and Koch, M. and Feldmann, J. and von Plessen, G. and Schulze, A. and Thomas, P. and Schmitt-Rink, S. and Köhler, K. and Ploog, K.}, year={1992}, pages={21–30} }","apa":"Meier, T., Göbel, E. O., Koch, M., Feldmann, J., von Plessen, G., Schulze, A., Thomas, P., Schmitt-Rink, S., Köhler, K., &#38; Ploog, K. (1992). Time Resolved Four Wave Mixing in GaAs/AlAs Quantum Well Structures. <i>Physica Status Solidi (b)</i>, <i>173</i>(1), 21–30. <a href=\"https://doi.org/10.1002/pssb.2221730103\">https://doi.org/10.1002/pssb.2221730103</a>","ieee":"T. Meier <i>et al.</i>, “Time Resolved Four Wave Mixing in GaAs/AlAs Quantum Well Structures,” <i>physica status solidi (b)</i>, vol. 173, no. 1, pp. 21–30, 1992, doi: <a href=\"https://doi.org/10.1002/pssb.2221730103\">10.1002/pssb.2221730103</a>.","chicago":"Meier, Torsten, E.O. Göbel, M. Koch, J. Feldmann, G. von Plessen, A. Schulze, P. Thomas, S. Schmitt-Rink, K. Köhler, and K. Ploog. “Time Resolved Four Wave Mixing in GaAs/AlAs Quantum Well Structures.” <i>Physica Status Solidi (b)</i> 173, no. 1 (1992): 21–30. <a href=\"https://doi.org/10.1002/pssb.2221730103\">https://doi.org/10.1002/pssb.2221730103</a>.","short":"T. Meier, E.O. Göbel, M. Koch, J. Feldmann, G. von Plessen, A. Schulze, P. Thomas, S. Schmitt-Rink, K. Köhler, K. Ploog, Physica Status Solidi (b) 173 (1992) 21–30."},"volume":173,"user_id":"49063","_id":"43445","page":"21-30","status":"public"},{"user_id":"49063","_id":"44291","publisher":"IEEE","page":"218-219","conference":{"end_date":"1992-05-28","name":"Technical Digest. Summaries of Papers Presented at the Quantum Electronics and Laser Science Conference","start_date":"1992-05-23","location":"Baltimore, MD, USA"},"status":"public","citation":{"mla":"Meier, Torsten, et al. “THz-Emission from Photoexcited Semiconductor Superlattices with Applied Ac and Dc Electric Fields.” <i>Technical Digest. Summaries of Papers Presented at the Quantum Electronics and Laser Science Conference</i>, IEEE, 1992, pp. 218–19, doi:<a href=\"https://doi.org/10.1109/QELS.1999.807564\">10.1109/QELS.1999.807564</a>.","bibtex":"@inproceedings{Meier_Thomas_Koch_1992, title={THz-emission from photoexcited semiconductor superlattices with applied ac and dc electric fields}, DOI={<a href=\"https://doi.org/10.1109/QELS.1999.807564\">10.1109/QELS.1999.807564</a>}, booktitle={Technical Digest. Summaries of Papers Presented at the Quantum Electronics and Laser Science Conference}, publisher={IEEE}, author={Meier, Torsten and Thomas, P. and Koch, S.W.}, year={1992}, pages={218–219} }","ama":"Meier T, Thomas P, Koch SW. THz-emission from photoexcited semiconductor superlattices with applied ac and dc electric fields. In: <i>Technical Digest. Summaries of Papers Presented at the Quantum Electronics and Laser Science Conference</i>. IEEE; 1992:218-219. doi:<a href=\"https://doi.org/10.1109/QELS.1999.807564\">10.1109/QELS.1999.807564</a>","ieee":"T. Meier, P. Thomas, and S. W. Koch, “THz-emission from photoexcited semiconductor superlattices with applied ac and dc electric fields,” in <i>Technical Digest. Summaries of Papers Presented at the Quantum Electronics and Laser Science Conference</i>, Baltimore, MD, USA, 1992, pp. 218–219, doi: <a href=\"https://doi.org/10.1109/QELS.1999.807564\">10.1109/QELS.1999.807564</a>.","apa":"Meier, T., Thomas, P., &#38; Koch, S. W. (1992). THz-emission from photoexcited semiconductor superlattices with applied ac and dc electric fields. <i>Technical Digest. Summaries of Papers Presented at the Quantum Electronics and Laser Science Conference</i>, 218–219. <a href=\"https://doi.org/10.1109/QELS.1999.807564\">https://doi.org/10.1109/QELS.1999.807564</a>","short":"T. Meier, P. Thomas, S.W. Koch, in: Technical Digest. Summaries of Papers Presented at the Quantum Electronics and Laser Science Conference, IEEE, 1992, pp. 218–219.","chicago":"Meier, Torsten, P. Thomas, and S.W. Koch. “THz-Emission from Photoexcited Semiconductor Superlattices with Applied Ac and Dc Electric Fields.” In <i>Technical Digest. Summaries of Papers Presented at the Quantum Electronics and Laser Science Conference</i>, 218–19. IEEE, 1992. <a href=\"https://doi.org/10.1109/QELS.1999.807564\">https://doi.org/10.1109/QELS.1999.807564</a>."},"doi":"10.1109/QELS.1999.807564","language":[{"iso":"eng"}],"main_file_link":[{"url":"https://ieeexplore.ieee.org/abstract/document/807564"}],"publication_status":"published","date_updated":"2023-05-01T12:11:33Z","publication_identifier":{"isbn":["1-55752-576-X"]},"author":[{"id":"344","first_name":"Torsten","last_name":"Meier","orcid":"0000-0001-8864-2072","full_name":"Meier, Torsten"},{"full_name":"Thomas, P.","last_name":"Thomas","first_name":"P."},{"last_name":"Koch","first_name":"S.W.","full_name":"Koch, S.W."}],"title":"THz-emission from photoexcited semiconductor superlattices with applied ac and dc electric fields","year":"1992","department":[{"_id":"293"}],"type":"conference","date_created":"2023-05-01T12:08:32Z","extern":"1","abstract":[{"lang":"eng","text":"Summary form only given. The numerical investigations are based on a microscopic many-body theory which allows one to compute the linear and nonlinear optical properties of semiconductor superlattices in the presence of homogeneous electric fields applied in the growth direction. The THz-emission due to the field-driven dynamics of photoexcited carriers is investigated for the combined action of static and alternating fields. For a driving field it was shown within a simple model that the equations governing the intraband dynamics in the field-driven superlattice should be analogous to the ones describing the superconducting Josephson junction. The transport properties in this regime can be described by the picture of multi-photon-assisted tunneling between Wannier-Stark states."}],"publication":"Technical Digest. Summaries of Papers Presented at the Quantum Electronics and Laser Science Conference"},{"citation":{"mla":"Meier, Torsten, et al. “Distribution of Exciton Binding-Energies in Disordered Semiconductor Quantum-Wells.” <i>Technical Digest. Summaries of Papers Presented at the Quantum Electronics and Laser Science Conference</i>, IEEE, 1992, p. 204, doi:<a href=\"https://doi.org/10.1109/QELS.1999.807538\">10.1109/QELS.1999.807538</a>.","ama":"Meier T, Euteneuer A, Finger E, et al. Distribution of exciton binding-energies in disordered semiconductor quantum-wells. In: <i>Technical Digest. Summaries of Papers Presented at the Quantum Electronics and Laser Science Conference</i>. IEEE; 1992:204. doi:<a href=\"https://doi.org/10.1109/QELS.1999.807538\">10.1109/QELS.1999.807538</a>","bibtex":"@inproceedings{Meier_Euteneuer_Finger_Hofmann_Stolz_Thomas_Koch_Ruhle_1992, title={Distribution of exciton binding-energies in disordered semiconductor quantum-wells}, DOI={<a href=\"https://doi.org/10.1109/QELS.1999.807538\">10.1109/QELS.1999.807538</a>}, booktitle={Technical Digest. Summaries of Papers Presented at the Quantum Electronics and Laser Science Conference}, publisher={IEEE}, author={Meier, Torsten and Euteneuer, A. and Finger, E. and Hofmann, M. and Stolz, W. and Thomas, P. and Koch, S.W. and Ruhle, W.W.}, year={1992}, pages={204} }","apa":"Meier, T., Euteneuer, A., Finger, E., Hofmann, M., Stolz, W., Thomas, P., Koch, S. W., &#38; Ruhle, W. W. (1992). Distribution of exciton binding-energies in disordered semiconductor quantum-wells. <i>Technical Digest. Summaries of Papers Presented at the Quantum Electronics and Laser Science Conference</i>, 204. <a href=\"https://doi.org/10.1109/QELS.1999.807538\">https://doi.org/10.1109/QELS.1999.807538</a>","ieee":"T. Meier <i>et al.</i>, “Distribution of exciton binding-energies in disordered semiconductor quantum-wells,” in <i>Technical Digest. Summaries of Papers Presented at the Quantum Electronics and Laser Science Conference</i>, Baltimore, MD, USA, 1992, p. 204, doi: <a href=\"https://doi.org/10.1109/QELS.1999.807538\">10.1109/QELS.1999.807538</a>.","chicago":"Meier, Torsten, A. Euteneuer, E. Finger, M. Hofmann, W. Stolz, P. Thomas, S.W. Koch, and W.W. Ruhle. “Distribution of Exciton Binding-Energies in Disordered Semiconductor Quantum-Wells.” In <i>Technical Digest. Summaries of Papers Presented at the Quantum Electronics and Laser Science Conference</i>, 204. IEEE, 1992. <a href=\"https://doi.org/10.1109/QELS.1999.807538\">https://doi.org/10.1109/QELS.1999.807538</a>.","short":"T. Meier, A. Euteneuer, E. Finger, M. Hofmann, W. Stolz, P. Thomas, S.W. Koch, W.W. Ruhle, in: Technical Digest. Summaries of Papers Presented at the Quantum Electronics and Laser Science Conference, IEEE, 1992, p. 204."},"conference":{"end_date":"1992-05-28","location":"Baltimore, MD, USA","name":"Technical Digest. Summaries of Papers Presented at the Quantum Electronics and Laser Science Conference","start_date":"1992-05-23"},"status":"public","_id":"44292","publisher":"IEEE","page":"204","user_id":"49063","publication":"Technical Digest. Summaries of Papers Presented at the Quantum Electronics and Laser Science Conference","abstract":[{"text":"Summary form only given. Partly non-degenerate four-wave mixing is able to detect coherent coupling between excitonic resonances like e.g. light-hole and heavy-hole excitons or between an exciton and its continuum states. We apply an extension of this method, which we call selective coherent spectroscopy (SCS), to symmetrically strained (GaIn)As/Ga(PAs) multiple quantum-wells. The samples are excited simultaneously by a picosecond pulse with wavevector k/sub 1/ and a 100 fs pulse with wavevector k/sub 2/. The central wavelength of the picosecond pulse is scanned over the entire spectrum of the 100 fs pulse and the four-wave mixing signal in the direction 2k/sub 2/-k/sub 1/ is detected at a fixed energy. This scan provides an SCS spectrum.","lang":"eng"}],"extern":"1","date_created":"2023-05-01T12:11:26Z","department":[{"_id":"293"}],"type":"conference","author":[{"id":"344","first_name":"Torsten","orcid":"0000-0001-8864-2072","last_name":"Meier","full_name":"Meier, Torsten"},{"full_name":"Euteneuer, A.","first_name":"A.","last_name":"Euteneuer"},{"full_name":"Finger, E.","last_name":"Finger","first_name":"E."},{"last_name":"Hofmann","first_name":"M.","full_name":"Hofmann, M."},{"first_name":"W.","last_name":"Stolz","full_name":"Stolz, W."},{"last_name":"Thomas","first_name":"P.","full_name":"Thomas, P."},{"full_name":"Koch, S.W.","last_name":"Koch","first_name":"S.W."},{"full_name":"Ruhle, W.W.","last_name":"Ruhle","first_name":"W.W."}],"title":"Distribution of exciton binding-energies in disordered semiconductor quantum-wells","year":"1992","date_updated":"2023-05-01T12:11:30Z","publication_status":"published","language":[{"iso":"eng"}],"main_file_link":[{"url":"https://ieeexplore.ieee.org/abstract/document/807538"}],"doi":"10.1109/QELS.1999.807538"},{"citation":{"chicago":"Meier, Torsten, C. Sieh, S.W. Koch, P. Brick, M. Hubner, C. Ell, J. Prineas, G. Khitrova, and H.M. Gibbs. “Influence of Carrier-Correlations on the Optical Stark Effect of Semiconductors.” In <i>Technical Digest. Summaries of Papers Presented at the Quantum Electronics and Laser Science Conference</i>, 14–15. IEEE, 1992. <a href=\"https://doi.org/10.1109/QELS.1999.807099\">https://doi.org/10.1109/QELS.1999.807099</a>.","short":"T. Meier, C. Sieh, S.W. Koch, P. Brick, M. Hubner, C. Ell, J. Prineas, G. Khitrova, H.M. Gibbs, in: Technical Digest. Summaries of Papers Presented at the Quantum Electronics and Laser Science Conference, IEEE, 1992, pp. 14–15.","apa":"Meier, T., Sieh, C., Koch, S. W., Brick, P., Hubner, M., Ell, C., Prineas, J., Khitrova, G., &#38; Gibbs, H. M. (1992). Influence of carrier-correlations on the optical Stark effect of semiconductors. <i>Technical Digest. Summaries of Papers Presented at the Quantum Electronics and Laser Science Conference</i>, 14–15. <a href=\"https://doi.org/10.1109/QELS.1999.807099\">https://doi.org/10.1109/QELS.1999.807099</a>","ieee":"T. Meier <i>et al.</i>, “Influence of carrier-correlations on the optical Stark effect of semiconductors,” in <i>Technical Digest. Summaries of Papers Presented at the Quantum Electronics and Laser Science Conference</i>, Baltimore, MD, USA, 1992, pp. 14–15, doi: <a href=\"https://doi.org/10.1109/QELS.1999.807099\">10.1109/QELS.1999.807099</a>.","ama":"Meier T, Sieh C, Koch SW, et al. Influence of carrier-correlations on the optical Stark effect of semiconductors. In: <i>Technical Digest. Summaries of Papers Presented at the Quantum Electronics and Laser Science Conference</i>. IEEE; 1992:14-15. doi:<a href=\"https://doi.org/10.1109/QELS.1999.807099\">10.1109/QELS.1999.807099</a>","bibtex":"@inproceedings{Meier_Sieh_Koch_Brick_Hubner_Ell_Prineas_Khitrova_Gibbs_1992, title={Influence of carrier-correlations on the optical Stark effect of semiconductors}, DOI={<a href=\"https://doi.org/10.1109/QELS.1999.807099\">10.1109/QELS.1999.807099</a>}, booktitle={Technical Digest. Summaries of Papers Presented at the Quantum Electronics and Laser Science Conference}, publisher={IEEE}, author={Meier, Torsten and Sieh, C. and Koch, S.W. and Brick, P. and Hubner, M. and Ell, C. and Prineas, J. and Khitrova, G. and Gibbs, H.M.}, year={1992}, pages={14–15} }","mla":"Meier, Torsten, et al. “Influence of Carrier-Correlations on the Optical Stark Effect of Semiconductors.” <i>Technical Digest. Summaries of Papers Presented at the Quantum Electronics and Laser Science Conference</i>, IEEE, 1992, pp. 14–15, doi:<a href=\"https://doi.org/10.1109/QELS.1999.807099\">10.1109/QELS.1999.807099</a>."},"page":"14-15","publisher":"IEEE","_id":"44290","user_id":"49063","status":"public","conference":{"start_date":"1992-05-23","name":" Technical Digest. Summaries of Papers Presented at the Quantum Electronics and Laser Science Conference","location":"Baltimore, MD, USA","end_date":"1992-05-28"},"date_created":"2023-05-01T12:05:51Z","type":"conference","department":[{"_id":"293"}],"publication":"Technical Digest. Summaries of Papers Presented at the Quantum Electronics and Laser Science Conference","extern":"1","abstract":[{"text":"Summary form only given. For a proper understanding of nonlinear optical experiments in semiconductors even the low-density limit Coulomb-induced many body correlations beyond the Hartree-Fock decoupling scheme need to be considered. In the coherent X(3) limit these correlations manifest themselves in the contributions of bound and unbound two-exciton states to the optical response. The understanding of nonlinear excitonic effects in the Stark effect of semiconductors including carrier-correlations is still of fundamental interest.","lang":"eng"}],"main_file_link":[{"url":"https://ieeexplore.ieee.org/abstract/document/807099"}],"language":[{"iso":"eng"}],"doi":"10.1109/QELS.1999.807099","year":"1992","title":"Influence of carrier-correlations on the optical Stark effect of semiconductors","author":[{"id":"344","full_name":"Meier, Torsten","first_name":"Torsten","last_name":"Meier","orcid":"0000-0001-8864-2072"},{"last_name":"Sieh","first_name":"C.","full_name":"Sieh, C."},{"full_name":"Koch, S.W.","first_name":"S.W.","last_name":"Koch"},{"first_name":"P.","last_name":"Brick","full_name":"Brick, P."},{"full_name":"Hubner, M.","last_name":"Hubner","first_name":"M."},{"last_name":"Ell","first_name":"C.","full_name":"Ell, C."},{"first_name":"J.","last_name":"Prineas","full_name":"Prineas, J."},{"last_name":"Khitrova","first_name":"G.","full_name":"Khitrova, G."},{"first_name":"H.M.","last_name":"Gibbs","full_name":"Gibbs, H.M."}],"publication_identifier":{"isbn":["1-55752-576-X"]},"publication_status":"published","date_updated":"2023-05-01T12:05:55Z"},{"extern":"1","abstract":[{"text":"Recent experiments by Roskos et al. in ultrashort optical pulse excitation of biased coupled quantum wells have shown remarkable generation of terahertz electromagnetic radiation. Two different effects were identified: (i) an oscillatory field of frequency corresponding to the separation between the coupled levels in the quantum-well pair (~ 1.5 THz); and (ii) an “instantaneous” electromagnetic field pulse that appears to follow the time evolution of the exciting laser pulse. The oscillatory field is understood to be caused by the coherent oscillation of optically created electrons from one well to the other.[1] The “instantaneous” part we believe is caused by a new mechanism proposed in Ref. 2. The essence of this “instantaneous” mechanism is that electron-hole pairs are created in a biased semiconductor with a net polarization. The density of these pairs follows the light field, as does the induced polarization, hence, generating an electromagnetic source that follows the light pulse. Such mechanisms have been discussed before for photon energies below the optical bandgap energy,[3] although they have so far been difficult to observe. In our work, we have generalized and extended such effects to photon energies above the handgap energy. In this paper we will discuss both of these mechanisms as well as the fourwave-mixing (FWM) signal,[4] and show how they can be understood within one unified formalism. We will also show that the calculations agree well with the experimental results.","lang":"eng"}],"publication":"International Quantum Electronics Conference","citation":{"apa":"Meier, T., Schulze, A., Scmittrink, S., Thomas, P., &#38; Chuang, S. L. (1992). Terahertz Electromagnetic Pulse Generation and Four-Wave Mixing in Coupled Quantum Wells. <i>International Quantum Electronics Conference</i>, Article MoP3. International Quantum Electronics Conference 1992, Vienna, Austria.","ieee":"T. Meier, A. Schulze, S. Scmittrink, P. Thomas, and S. L. Chuang, “Terahertz Electromagnetic Pulse Generation and Four-Wave Mixing in Coupled Quantum Wells,” presented at the International Quantum Electronics Conference 1992, Vienna, Austria, 1992.","short":"T. Meier, A. Schulze, S. Scmittrink, P. Thomas, S.L. Chuang, in: International Quantum Electronics Conference, 1992.","chicago":"Meier, Torsten, A. Schulze, S. Scmittrink, P. Thomas, and S.L. Chuang. “Terahertz Electromagnetic Pulse Generation and Four-Wave Mixing in Coupled Quantum Wells.” In <i>International Quantum Electronics Conference</i>, 1992.","mla":"Meier, Torsten, et al. “Terahertz Electromagnetic Pulse Generation and Four-Wave Mixing in Coupled Quantum Wells.” <i>International Quantum Electronics Conference</i>, MoP3, 1992.","ama":"Meier T, Schulze A, Scmittrink S, Thomas P, Chuang SL. Terahertz Electromagnetic Pulse Generation and Four-Wave Mixing in Coupled Quantum Wells. In: <i>International Quantum Electronics Conference</i>. ; 1992.","bibtex":"@inproceedings{Meier_Schulze_Scmittrink_Thomas_Chuang_1992, title={Terahertz Electromagnetic Pulse Generation and Four-Wave Mixing in Coupled Quantum Wells}, number={MoP3}, booktitle={International Quantum Electronics Conference}, author={Meier, Torsten and Schulze, A. and Scmittrink, S. and Thomas, P. and Chuang, S.L.}, year={1992} }"},"type":"conference","department":[{"_id":"293"}],"date_created":"2023-05-01T12:01:53Z","publication_status":"published","date_updated":"2023-05-01T12:01:56Z","title":"Terahertz Electromagnetic Pulse Generation and Four-Wave Mixing in Coupled Quantum Wells","year":"1992","status":"public","author":[{"id":"344","full_name":"Meier, Torsten","first_name":"Torsten","last_name":"Meier","orcid":"0000-0001-8864-2072"},{"last_name":"Schulze","first_name":"A.","full_name":"Schulze, A."},{"last_name":"Scmittrink","first_name":"S.","full_name":"Scmittrink, S."},{"last_name":"Thomas","first_name":"P.","full_name":"Thomas, P."},{"last_name":"Chuang","first_name":"S.L.","full_name":"Chuang, S.L."}],"conference":{"location":"Vienna, Austria","start_date":"1992-06-14","name":"International Quantum Electronics Conference 1992","end_date":"1992-06-19"},"user_id":"49063","article_number":"MoP3","main_file_link":[{"url":"https://opg.optica.org/abstract.cfm?uri=IQEC-1992-MoP3"}],"language":[{"iso":"eng"}],"_id":"44289"},{"_id":"44288","language":[{"iso":"eng"}],"main_file_link":[{"url":"https://opg.optica.org/abstract.cfm?uri=IQEC-1992-MoC2"}],"article_number":"MoC2","user_id":"49063","conference":{"name":"International Quantum Electronics Conference 1992","start_date":"1992-06-14","location":"Vienna, Austria","end_date":"1992-06-19"},"author":[{"orcid":"0000-0001-8864-2072","last_name":"Meier","first_name":"Torsten","full_name":"Meier, Torsten","id":"344"},{"last_name":"von Plessen","first_name":"G.","full_name":"von Plessen, G."},{"full_name":"Schulze, A.","last_name":"Schulze","first_name":"A."},{"full_name":"Thomas, P.","first_name":"P.","last_name":"Thomas"}],"title":"On the Observability of Bloch Oscillations in Time-Resolved Four-Wave-Mixing","year":"1992","status":"public","date_updated":"2023-05-01T11:59:08Z","publication_status":"published","date_created":"2023-05-01T11:59:04Z","department":[{"_id":"293"}],"type":"conference","citation":{"short":"T. Meier, G. von Plessen, A. Schulze, P. Thomas, in: International Quantum Electronics Conference, 1992.","chicago":"Meier, Torsten, G. von Plessen, A. Schulze, and P. Thomas. “On the Observability of Bloch Oscillations in Time-Resolved Four-Wave-Mixing.” In <i>International Quantum Electronics Conference</i>, 1992.","apa":"Meier, T., von Plessen, G., Schulze, A., &#38; Thomas, P. (1992). On the Observability of Bloch Oscillations in Time-Resolved Four-Wave-Mixing. <i>International Quantum Electronics Conference</i>, Article MoC2. International Quantum Electronics Conference 1992, Vienna, Austria.","ieee":"T. Meier, G. von Plessen, A. Schulze, and P. Thomas, “On the Observability of Bloch Oscillations in Time-Resolved Four-Wave-Mixing,” presented at the International Quantum Electronics Conference 1992, Vienna, Austria, 1992.","ama":"Meier T, von Plessen G, Schulze A, Thomas P. On the Observability of Bloch Oscillations in Time-Resolved Four-Wave-Mixing. In: <i>International Quantum Electronics Conference</i>. ; 1992.","bibtex":"@inproceedings{Meier_von Plessen_Schulze_Thomas_1992, title={On the Observability of Bloch Oscillations in Time-Resolved Four-Wave-Mixing}, number={MoC2}, booktitle={International Quantum Electronics Conference}, author={Meier, Torsten and von Plessen, G. and Schulze, A. and Thomas, P.}, year={1992} }","mla":"Meier, Torsten, et al. “On the Observability of Bloch Oscillations in Time-Resolved Four-Wave-Mixing.” <i>International Quantum Electronics Conference</i>, MoC2, 1992."},"publication":"International Quantum Electronics Conference","abstract":[{"lang":"eng","text":"In the presence of a homogeneous electric field, 𝐹→, each Bloch state in a crystal changes quasimomentum according to the so-called acceleration theorem Thus, in the absence of interband tunneling and scattering processes, each Bloch state moves at a constant velocity in k-space and executes a periodic motion in the reduced zone scheme by undergoing a Bragg reflection between each two traversals of the Brillouin zone."}],"extern":"1"}]