Welcome to the Quantum Sensing Lab

Our laboratory is located in the Department of Physics of the University of Basel in Switzerland. Our research is centered around the emerging field of "Quantum sensing", where the use of individual, well-controlled quantum systems as high-performance sensing devices is being explored. We concentrate on implementing various types of such sensors and on applying them to outstanding scientific tasks in mesoscopic physics, nano-science and technology. At the moment, our quantum system of choice for these purposes is the Nitrogen-Vacancy (NV) color center in diamond, whose exceptional quantum-coherent properties allow for high-performance sensing applications (such as single-electron spin detection) even at room temperature.



News from the Lab


Goodbye Natascha!

We say goodbye to Dr. Natascha Hedrich after an excellent PhD and PostDoc! Thanks for everything and all the best at ETH Zürich and the Technorama!

Welcome Minghao!

We extend a warm welcome to our new PostDoc, Minghao Li! Minghao will reinforce the Sensing Technology Team in the SiV magnetometry project. Great to have you, and to successful experiments!

Sigurd's Raman paper published on the arXiv!

Raman lasers based on bulk diamond are a valuable resource for generating coherent light in wavelength regimes where no common laser diodes are available. Nevertheless, the widespread use of such lasers is limited by their high threshold…

Welcome Tobias!

We welcome Dr. Tobias Sjölander to the group, good to have you! To successful experiments!

Congratulations Dr. Sigurd Flågan!

Sigurd successfully defended his thesis!

Annual Group Hike 2021: Aletsch Gletscher

This year's group hike featured the beautiful Aletsch glacier, a over-night stay at Villa Cassel and dangerous adventures atop swindling heights at the Seilpark! Stay tuned for future group events!
PhD Games

Congratulations Dr. Natascha Hedrich!

Natascha successfully defended her thesis!

Viktoria's laser writing paper published in ACS Photonics!

We report on pulsed-laser induced generation of nitrogen-vacancy (NV) centers in diamond facilitated by a solid-immersion lens (SIL). The SIL enables laser writing at energies as low as 5.8 nJ per pulse and allows vacancies to be formed…

Sigurd's diamond microcavity paper published on the arXiv!

With a highly coherent, optically addressable electron spin, the nitrogen vacancy (NV) centre indiamond is a promising candidate for a node in a quantum network. However, the NV centre is a poor source of coherent single photons owing to a…

Jodok's NV photophysics paper published on the arXiv!

We investigate the magnetic field dependent photo-physics of individual Nitrogen-Vacancy (NV) color centers in diamond under cryogenic conditions. At distinct magnetic fields, we observe significant reductions in the NV photoluminescence…