Louise Floor Frellsen

Electronics, Mechanical, Technology, Software, Photonics, Quantum optics, Topology optimization

European Patent Attorney

Education: M.Sc. (Physics and Nanotechnology), Technical University of Denmark, Ph.D. (Photonically Integrated Circuits), Technical University of Denmark.

General Background: European Patent Attorney. Joined Budde Schou A/S in 2021.

IP Qualifications:

  • Expert advice, assistance and prosecution in relation to applications for patent and utility model worldwide.

Memberships: ADIPA

Languages: Danish, English and German


    1. “Measuring magnetic fields with diamonds and green laser light”; Frellsen, L.F. and Ahmadi S.; Quantum Leaps feature in Quantum Views the open journal of quantum science, 2018.

    2. “Dynamical monitoring of magnetic markers using quantum diamond magnetometry”; Frellsen, L.F., Wojiechowski, A. M., Hansen, M. F., Huck A., and Andersen, U.L.; Proceedings of 12th International Conference on the Scientific and Clinical Applications of Magnetic Carriers; 2018.

    3. “Topology optimized mode multiplexing in silicon-on-insulator photonic wire waveguides”; Frellsen, L. F., Ding, Y., Sigmund, O., and Frandsen, L. H.; Optics Express 24; 2016.

    4. “Topology optimized mode converter in a silicon-on-insulator photonic wire waveguide”; Frellsen, L.F., Ding, Y., Sigmund, O., and Frandsen, L. H.; Proceedings of 2016 Conference on Lasers and Electro-Optics (CLEO); 2016.

    5. “On-chip mode division multiplexing technologies”; Ding, Y., Frellsen, L. F., Guan, X., Xu, J., Da Ros, F., Ou, H., Peucheret, C., Frandsen, L. H., Oxenløwe, L. K., and Yvind, K.; Proceedings Volume 9774 SPIE OPTO; 2016.

    6. “Topology optimized design for silicon-on-insulator mode converter”, Frellsen, L. F., Frandsen, L. H., Ding, Y., Elesin, Y., Sigmund, O., and Yvind, K.; Proceeding of IEEE Photonics Conference (IPC); 2015.

    7. “Topology-optimized silicon photonic wire mode(de)multiplexer”; Frellsen, L. F., Frandsen, L. H. Ding, Y., Elesin, Y., Sigmund, O., and Yvind, K.; Proceedings of the SPIE, Vol. 9367.; 2015.

    8. “Topology optimized mode conversion in a photonic crystal waveguide fabricated in silicon-insulator material”; Frandsen, L. H., Elesin, Y., Frellsen, L. F., Mitrovic, M., Ding, Y., Sigmund, O., and Yvind, K.; Optics Express, Vol. 22; 2014.