430 citations · 1.7k across the 15 of their papers we have counts for
15 papers
Minute-long quantum coherence enabled by electrical depletion of magnetic noise
Cyrus Zeledon, Benjamin Pingault, Jonathan C. Marcks +13
Integrating solid-state spin defects into classical electronic devices can enable new opportunities for quantum information processing that benefit from existing semiconductor tech…
A fluorescent-protein spin qubit
Jacob S. Feder, Benjamin S. Soloway, Shreya Verma +12
Optically-addressable spin qubits form the foundation of a new generation of emerging nanoscale sensors. The engineering of these sensors has mainly focused on solid-state systems…
Phononically shielded photonic-crystal mirror membranes for cavity quantum optomechanics
Georg Enzian, Zihua Wang, Anders Simonsen +6
We present a highly reflective, sub-wavelength-thick membrane resonator featuring high mechanical quality factor and discuss its applicability for cavity optomechanics. The $88.5~\…
Laser cooling a membrane-in-the-middle system close to the quantum ground state from room temperature
Sampo A. Saarinen, Nenad Kralj, Eric C. Langman +2
Many protocols in quantum science and technology require initializing a system in a pure quantum state. In the context of the motional state of massive resonators, this enables stu…
Membrane-based scanning force microscopy
David Hälg, Thomas Gisler, Yeghishe Tsaturyan +11
We report the development of a scanning force microscope based on an ultra-sensitive silicon nitride membrane transducer. Our development is made possible by inverting the standard…
Phonon counting thermometry of an ultracoherent membrane resonator near its motional ground state
Ivan Galinskiy, Yeghishe Tsaturyan, Michał Parniak +1
Generation of non-Gaussian quantum states of macroscopic mechanical objects is key to a number of challenges in quantum information science, ranging from fundamental tests of decoh…
Soft-clamped phononic dimers for mechanical sensing and transduction
Letizia Catalini, Yeghishe Tsaturyan, Albert Schliesser
Coupled micro- and nanomechanical resonators are of significant interest within a number of areas of research, ranging from synchronisation, nonlinear dynamics and chaos, to quantu…
Entanglement between Distant Macroscopic Mechanical and Spin Systems
Rodrigo A. Thomas, Michał Parniak, Christoffer Østfeldt +7
Entanglement is a vital property of multipartite quantum systems, characterised by the inseparability of quantum states of objects regardless of their spatial separation. Generatio…
Continuous Force and Displacement Measurement Below the Standard Quantum Limit
David Mason, Junxin Chen, Massimiliano Rossi +2
Quantum mechanics dictates that the precision of physical measurements must be subject to certain constraints. In the case of inteferometric displacement measurements, these restri…
Measurement-based quantum control of mechanical motion
Massimiliano Rossi, David Mason, Junxin Chen +2
Controlling a quantum system based on the observation of its dynamics is inevitably complicated by the backaction of the measurement process. Efficient measurements, however, maxim…
Polarimetric analysis of stress anisotropy in nanomechanical silicon nitride resonators
Thibault Capelle, Yeghishe Tsaturyan, Andreas Barg +1
We realise a circular gray-field polariscope to image stress-induced birefringence in thin (submicron thick) silicon nitride (SiN) membranes and strings. This enables quantitative…
Ultra-coherent nanomechanical resonators via soft clamping and dissipation dilution
Yeghishe Tsaturyan, Andreas Barg, Eugene S. Polzik +1
The small mass and high coherence of nanomechanical resonators render them the ultimate force probe, with applications ranging from biosensing and magnetic resonance force microsco…
Quantum back action evading measurement of motion in a negative mass reference frame
Christoffer B. Møller, Rodrigo A. Thomas, Georgios Vasilakis +6
Quantum mechanics dictates that a continuous measurement of the position of an object imposes a random back action perturbation on its momentum. This randomness translates with tim…
Multimode optomechanical system in the quantum regime
William H. P. Nielsen, Yeghishe Tsaturyan, Christoffer B. Møller +2
We realise a simple and robust optomechanical system with a multitude of long-lived () mechanical modes in a phononic-bandgap shielded membrane resonator. An optical mode o…
Demonstration of suppressed phonon tunneling losses in phononic bandgap shielded membrane resonators for high-Q optomechanics
Yeghishe Tsaturyan, Andreas Barg, Anders Simonsen +4
Dielectric membranes with exceptional mechanical and optical properties present one of the most promising platforms in quantum opto-mechanics. The performance of stressed silicon n…