65 citations · 231 across the 8 of their papers we have counts for
9 papers
Cavity-enhanced optical readout and control of nuclear spin qubits
Alexander Ulanowski, Johannes Früh, Fabian Salamon +2
Their exceptional coherence makes nuclear spins in solids a prime candidate for quantum memories in quantum networks and repeaters. Still, the direct all-optical initialization, co…
Spectral stability of cavity-enhanced single-photon emitters in silicon
Johannes Früh, Fabian Salamon, Andreas Gritsch +2
The unrivaled maturity of its nanofabrication makes silicon a promising hardware platform for quantum information processing. To this end, efficient single-photon sources and spin-…
Cavity-enhanced spectroscopy of individual nuclear spins in a dense bath
Alexander Ulanowski, Olivier Kuijpers, Benjamin Merkel +2
Echo-based spectroscopy of the superhyperfine interaction of an electronic spin with nuclear spins in its surroundings enables detailed insights into the microscopic magnetic envir…
Optical single-shot readout of spin qubits in silicon
Andreas Gritsch, Alexander Ulanowski, Jakob Pforr +1
The digital revolution was enabled by nanostructured devices made from silicon. A similar prominence of this material is anticipated in the upcoming quantum era as the unrivalled m…
Spectral Multiplexing of Rare-earth Emitters in a Co-doped Crystalline Membrane
Alexander Ulanowski, Johannes Früh, Fabian Salamon +2
The spectral addressing of many individual rare-earth dopants in optical resonators offers great potential for realizing distributed quantum information processors. To this end, it…
Purcell enhancement of single-photon emitters in silicon
Andreas Gritsch, Alexander Ulanowski, Andreas Reiserer
Individual spins that are coupled to telecommunication photons offer unique promise for distributed quantum information processing once a coherent and efficient spin-photon interfa…
Spectral multiplexing of telecom emitters with stable transition frequency
Alexander Ulanowski, Benjamin Merkel, Andreas Reiserer
In a quantum network, coherent emitters can be entangled over large distances using photonic channels. In solid-state devices, the required efficient light-emitter interface can be…
Coherent control in the ground and optically excited state of an ensemble of erbium dopants
Pablo Cova Fariña, Benjamin Merkel, Natalia Herrera Valencia +3
Ensembles of erbium dopants can realize quantum memories and frequency converters that operate in the minimal-loss wavelength band of fiber optical communication. Their operation r…
Coherent and Purcell-enhanced emission from erbium dopants in a cryogenic high-Q resonator
Benjamin Merkel, Alexander Ulanowski, Andreas Reiserer
The stability and outstanding coherence of dopants and other atom-like defects in tailored host crystals make them a leading platform for the implementation of distributed quantum…