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Institut
Team
Pfister, Ulrich

Ulrich Pfister

MSc.

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

Kontakt

+49 711 685 63888
E-Mail

Allmandring 3
70569 Stuttgart
Deutschland
Raum: 1.009

Publikationen

2025
1. Colucci, D., Pfister, U., Alcotte, R., Swekis, P., De Maeyer, M., Ouyang, Z., Vandekerckhove, T., Mols, Y., Langer, R., Jetter, M., Portalupi, S. L., Michler, P., Pourtois, G., Van Thourhout, D., & Kunert, B. (2025). Single-Photon Source Monolithically Integrated on a 300 mm Silicon Wafer Using III–V Nano-ridge Engineering. ACS Photonics, 12, Article 7. https://doi.org/10.1021/acsphotonics.5c00526
  - BibTeX
  - Link
  BibTeX
  @article{Colucci_2025, author = {Colucci, Davide and Pfister, Ulrich and Alcotte, Reynald and Swekis, Peter and De Maeyer, Michiel and Ouyang, Zhongtao and Vandekerckhove, Tom and Mols, Yves and Langer, Robert and Jetter, Michael and Portalupi, Simone Luca and Michler, Peter and Pourtois, Geoffrey and Van Thourhout, Dries and Kunert, Bernardette}, doi = {10.1021/acsphotonics.5c00526}, issn = {2330-4022}, journal = {ACS Photonics}, month = {06}, number = 7, pages = {3626–3634}, publisher = {American Chemical Society (ACS)}, title = {Single-Photon Source Monolithically Integrated on a 300 mm Silicon Wafer Using III–V Nano-ridge Engineering}, url = {http://dx.doi.org/10.1021/acsphotonics.5c00526}, volume = 12, year = 2025 }
  Link
  http://dx.doi.org/10.1021/acsphotonics.5c00526
2. Pfister, U., Wendland, D., Hornung, F., Engel, L., Hüging, H., Herzog, E., Vijayan, P., Joos, R., Jung, E., Jetter, M., Portalupi, S. L., Pernice, W. H. P., & Michler, P. (2025). Telecom wavelength quantum dots interfaced with silicon-nitride circuits via photonic wire bonding. Npj Nanophotonics, 2, Article 1. https://doi.org/10.1038/s44310-025-00061-w
  - BibTeX
  - Link
  BibTeX
  @article{Pfister2025, abstract = {Photonic integrated circuits find applications in classical and quantum communication, computing and sensing. For ideal performance, efforts are made to effectively combine different platforms to benefit from their respective strengths. Here, direct laser written photonic wire bonds are employed to interface triggered sources of quantum light, based on semiconductor quantum dots embedded into etched microlenses, with low-loss silicon-nitride photonics. Single photons at telecom wavelengths are generated by In(Ga)As quantum dots which are then funneled into a silicon-nitride chip containing single-mode waveguides and beamsplitters. The second-order correlation function of g(2)(0) = 0.11 {\textpm} 0.02, measured via the on-chip beamsplitter, clearly demonstrates the transfer of single photons into the silicon-nitride platform. The photonic wire bonds funnel on average 27.9 {\textpm} 8.0{\%} of the bare microlens emission (NA = 0.6) into the silicon-nitride-based photonic integrated circuit even at cryogenic temperatures. This opens the route for the effective future up-scaling of circuitry complexity based on the use of multiple different platforms.}, author = {Pfister, Ulrich and Wendland, Daniel and Hornung, Florian and Engel, Lena and H{\"u}ging, Hendrik and Herzog, Elias and Vijayan, Ponraj and Joos, Raphael and Jung, Erik and Jetter, Michael and Portalupi, Simone L. and Pernice, Wolfram H. P. and Michler, Peter}, day = 17, doi = {10.1038/s44310-025-00061-w}, issn = {2948-216X}, journal = {npj Nanophotonics}, month = {03}, number = 1, pages = 11, title = {Telecom wavelength quantum dots interfaced with silicon-nitride circuits via photonic wire bonding}, url = {https://doi.org/10.1038/s44310-025-00061-w}, volume = 2, year = 2025 }
  Link
  https://doi.org/10.1038/s44310-025-00061-w
2024
1. Hornung, F., Pfister, U., Bauer, S., Cyrlyson’s, D. R., Wang, D., Vijayan, P., Garcia Jr., A. J., Covre da Silva, S. F., Jetter, M., Portalupi, S. L., Rastelli, A., & Michler, P. (2024). Highly Indistinguishable Single Photons from Droplet-Etched GaAs Quantum Dots Integrated in Single-Mode Waveguides and Beamsplitters. Nano Lett., 24, Article 4. https://doi.org/10.1021/acs.nanolett.3c04010
  - BibTeX
  - Link
  BibTeX
  @article{hornungihfghighly, author = {Hornung, Florian and Pfister, Ulrich and Bauer, Stephanie and Cyrlyson’s, Dee Rocking and Wang, Dongze and Vijayan, Ponraj and Garcia Jr., Ailton J. and Covre da Silva, Saimon Filipe and Jetter, Michael and Portalupi, Simone L. and Rastelli, Armando and Michler, Peter}, doi = {10.1021/acs.nanolett.3c04010}, journal = {Nano Lett.}, language = {engl}, month = {01}, number = 4, pages = {1184–1190}, title = {Highly Indistinguishable Single Photons from Droplet-Etched GaAs Quantum Dots Integrated in Single-Mode Waveguides and Beamsplitters}, url = {https://pubs.acs.org/doi/full/10.1021/acs.nanolett.3c04010}, volume = 24, year = 2024 }
  Link
  https://pubs.acs.org/doi/full/10.1021/acs.nanolett.3c04010