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Strobel, Tim

Tim Strobel

Herr MSc

PhD-Student
Institut für Halbleiteroptik und Funktionelle Grenzflächen
Semiconductor Optics Group

Kontakt

+49 711 685 69851
E-Mail

Allmandring 3
70569 Stuttgart
Deutschland
Raum: 0.034

Publikationen

2024
1. Strobel, T., Kazmaier, S., Bauer, T., Schäfer, M., Choudhary, A., Sharma, N. L., Joos, R., Nawrath, C., Weber, J. H., Nie, W., Bhayani, G., Wagner, L., Bisquerra, A., Geitz, M., Braun, R.-P., Hopfmann, C., Portalupi, S. L., Becher, C., & Michler, P. (2024). High-fidelity distribution of triggered polarization-entangled telecom photons via a 36 km intra-city fiber network. Optica Quantum, 2, Article 4. https://doi.org/10.1364/OPTICAQ.530838
  - BibTeX
  - Link
  BibTeX
  @article{Strobel:24, abstract = {Fiber-based distribution of triggered, entangled, single-photon pairs is a key requirement for the future development of terrestrial quantum networks. In this context, semiconductor quantum dots (QDs) are promising candidates for deterministic sources of on-demand polarization-entangled photon pairs. So far, the best QD polarization-entangled-pair sources emit in the near-infrared wavelength regime, where the transmission distance in deployed fibers is limited. Here, to be compatible with existing fiber network infrastructures, bi-directional polarization-conserving quantum frequency conversion (QFC) is employed to convert the QD emission from 780 nm to telecom wavelengths. We show the preservation of polarization entanglement after QFC (fidelity to Bell state F $\varphi$ $+$,c o n v $=$0.972{\textpm}0.003) of the biexciton transition. As a step toward real-world applicability, high entanglement fidelities (F $\varphi$ $+$,l o o p $=$0.945{\textpm}0.005) after the propagation of one photon of the entangled pair along a 35.8 km field-installed standard single mode fiber link are reported. Furthermore, we successfully demonstrate a second polarization-conserving QFC step back to 780 nm preserving entanglement (F $\varphi$ $+$,b a c k $=$0.903{\textpm}0.005). This further prepares the way for interfacing quantum light to various quantum memories.}, author = {Strobel, Tim and Kazmaier, Stefan and Bauer, Tobias and Sch\"{a}fer, Marlon and Choudhary, Ankita and Sharma, Nand Lal and Joos, Raphael and Nawrath, Cornelius and Weber, Jonas H. and Nie, Weijie and Bhayani, Ghata and Wagner, Lukas and Bisquerra, Andr\'{e} and Geitz, Marc and Braun, Ralf-Peter and Hopfmann, Caspar and Portalupi, Simone L. and Becher, Christoph and Michler, Peter}, doi = {10.1364/OPTICAQ.530838}, journal = {Optica Quantum}, month = {08}, number = 4, pages = {274--281}, publisher = {Optica Publishing Group}, title = {High-fidelity distribution of triggered polarization-entangled telecom photons via a 36 km intra-city fiber network}, url = {https://opg.optica.org/opticaq/abstract.cfm?URI=opticaq-2-4-274}, volume = 2, year = 2024 }
  Link
  https://opg.optica.org/opticaq/abstract.cfm?URI=opticaq-2-4-274
2023
1. Strobel, T., Weber, J. H., Schmidt, M., Wagner, L., Engel, L., Jetter, M., Wieck, A. D., Portalupi, S. L., Ludwig, A., & Michler, P. (2023). A Unipolar Quantum Dot Diode Structure for Advanced Quantum Light Sources. Nano Letters, 23, Article 14. https://doi.org/10.1021/acs.nanolett.3c01658
  - BibTeX
  - Link
  BibTeX
  @article{Strobel_2023, author = {Strobel, Tim and Weber, Jonas H. and Schmidt, Marcel and Wagner, Lukas and Engel, Lena and Jetter, Michael and Wieck, Andreas D. and Portalupi, Simone L. and Ludwig, Arne and Michler, Peter}, doi = {10.1021/acs.nanolett.3c01658}, journal = {Nano Letters}, month = {07}, number = 14, pages = {6574--6580}, publisher = {American Chemical Society ({ACS})}, title = {A Unipolar Quantum Dot Diode Structure for Advanced Quantum Light Sources}, url = {https://doi.org/10.1021%2Facs.nanolett.3c01658}, volume = 23, year = 2023 }
  Link
  https://doi.org/10.1021%2Facs.nanolett.3c01658

Tim Strobel

Kontakt

Publikationen

2024

BibTeX

Link

2023

BibTeX

Link

Zielgruppe

Formalia

Services

Organisation

Tim Strobel

Kontakt

Publikationen

2024

BibTeX

Link

2023

BibTeX

Link

So erreichen Sie uns

Zielgruppe

Formalia

Services

Organisation