activity
20152025
most citedIntegrated optically pumped magnetometer for measurements within Earth's magnetic field

83 citations · 177 across the 7 of their papers we have counts for

collaborators

7 papers

quant-ph2025

Basic cell for a quantum microwave router

Evgeniya Mutsenik, Aidar Sultanov, Leonie Kaczmarek +4

We report the first experimental realization of a scalable basic cell for quantum routing, enabling coherent control and exchange of microwave photons between two spatially separat…

quant-ph2025★ 2 cited

Measuring coherent dynamics of a superconducting qubit in an open waveguide

Aidar Sultanov, Evgeniya Mutsenik, Matthias Schmelz +5

We measured the relaxation and decoherence rates of a superconducting transmon qubit in a resonator-free setting. In our experiments, the qubit is coupled to an open coplanar waveg…

physics.ins-det2024★ 1 cited

Optically pumped vector magnetometer using a strong bias magnetic field

Thomas Schönau, Theo Scholtes, Florian Wittkämper +4

We present a novel approach allowing an optically pumped magnetometer (OPM) to be operated within Earth's magnetic field as a vector magnetometer whose sensitive axis can be freely…

physics.atom-ph2020★ 83 cited

Integrated optically pumped magnetometer for measurements within Earth's magnetic field

G. Oelsner, R. IJsselsteijn, T. Scholtes +7

We present a portable optically pumped magnetometer instrument for ultra-sensitive measurements within the Earth's magnetic field. The central part of the system is a sensor head o…

cond-mat.supr-con2017★ 20 cited

A new family of field-stable and highly sensitive SQUID current sensors based on sub-micrometer cross-type Josephson junctions

M. Schmelz, V. Zakosarenko, T. Schönau +5

We report on the development of a new family of SQUID current sensors based on sub-micron cross-type Josephson tunnel junctions. Their low total junction capacitance permit high us…

physics.ins-det2017★ 44 cited

Thin-film based ultralow noise SQUID magnetometer

M. Schmelz, V. Zakosarenko, A. Chwala +5

We report on the development of an ultralow noise thin-film based SQUID magnetometer. A niobium thin-film pickup coil is connected to the input coil of a SQUID current sensor. The…

cond-mat.supr-con2015★ 27 cited

Investigation of all niobium Nano-SQUIDs based on sub-micrometer cross-type Josephson junctions

M. Schmelz, Y. Matsui, R. Stolz +6

We report on the development of highly sensitive SQUIDs featuring sub-micrometer loop dimensions. The integration of high quality and low capacitance SIS Nb/AlOx/Nb cross-type Jose…