1.2k citations · 3.4k across the 43 of their papers we have counts for
44 papers
High-Fidelity Remote Graph State Preparation for Blind Quantum Computation
Jiawei Cai, Rex Fleur, Benedikt Tissot +2
Measurement-based quantum computation (MBQC) relies on entangled graph states, yet existing remote state preparation (RSP) protocols prepare only separable states, requiring subseq…
Pulsed to continuous-wave quantum dot cavity-QED
Mio Poortvliet, Petr Steindl, Wolfgang Löffler
Resonant cavity-quantum system interactions are well understood in the pulsed coherent and continuous-wave steady-state limits, but not much in between. We investigate the intermed…
The First Look of Gaia: Daily data quality and instrument health assessment with automated early warnings
M. Altmann, Z. Balog, W. Löffler +15
The ESA Gaia mission is a 10+ year astrometric whole-sky scan, demanding consistent data quality over the whole timespan of operations Aims. The Gaia First Look (FL) is a system wh…
Anisotropic propagation of GHz surface and bulk acoustic waves in gallium arsenide studied by random scattering
T. A. Steenbergen, M. M. Wohlfarth, P. E. Veefkind +2
Understanding the complex anisotropic acoustic propagation in crystals is crucial for optimizing the performance of surface and bulk acoustic wave devices. Here, we investigate the…
Alignment conditions of the human eye for few-photon vision experiments
T. H. A. van der Reep, W. Löffler
In experiments probing human vision at the few-photon level, precise alignment of the eye is necessary such that stimuli reach the most sensitive region of the retina. However, in…
Towards experimental demonstration of quantum position verification using true single photons
Kirsten Kanneworff, Mio Poortvliet, Dirk Bouwmeester +6
The geographical position can be a good credential for authentication of a party, this is the basis of position-based cryptography - but classically this cannot be done securely wi…
JASMINE image simulator for high-precision astrometry and photometry
Takafumi Kamizuka, Hajime Kawahara, Ryou Ohsawa +23
JASMINE is a Japanese planned space mission that aims to reveal the formation history of our Galaxy and discover habitable exoEarths. For these objectives, the JASMINE satellite pe…
Direct measurement of darkness using a standard single-photon avalanche photodiode
T. H. A. van der Reep, D. Molenaar, W. Löffler
In experiments requiring extreme darkness, such as experiments probing the limits of human vision, assessment of the background photon flux is essential. However, direct measuremen…
Picosecond laser pulses for quantum dot-microcavity based single photon generation by cascaded electro-optic modulation of a narrow-linewidth laser
Mio Poortvliet, Petr Steindl, Ilse Kuijf +3
Recent developments in integrated optics have made it possible to fabricate high-bandwidth electro-optic modulators (EOMs). Here we show cascaded operation of two of such modulator…
Discovery of a dormant 33 solar-mass black hole in pre-release Gaia astrometry
Gaia Collaboration, P. Panuzzo, T. Mazeh +412
Gravitational waves from black-hole merging events have revealed a population of extra-galactic BHs residing in short-period binaries with masses that are higher than expected base…
Gaia Focused Product Release: Sources from Service Interface Function image analysis -- Half a million new sources in omega Centauri
Gaia Collaboration, K. Weingrill, A. Mints +400
Gaia's readout window strategy is challenged by very dense fields in the sky. Therefore, in addition to standard Gaia observations, full Sky Mapper (SM) images were recorded for ni…
Gaia Focused Product Release: A catalogue of sources around quasars to search for strongly lensed quasars
Gaia Collaboration, A. Krone-Martins, C. Ducourant +398
Context. Strongly lensed quasars are fundamental sources for cosmology. The Gaia space mission covers the entire sky with the unprecedented resolution of " in the optical, ma…
Gaia Focused Product Release: Radial velocity time series of long-period variables
Gaia Collaboration, M. Trabucchi, N. Mowlavi +403
The third Gaia Data Release (DR3) provided photometric time series of more than 2 million long-period variable (LPV) candidates. Anticipating the publication of full radial-velocit…
Open-access microcavities: high stability without dedicated mechanical low-pass filter in closed-cycle cryostats
M. Fisicaro, M. J. Rost, M. Witlox +2
Open-access optical microcavities are Fabry-Perot type cavities consisting of two micrometer-size mirrors, separated by an air (or vacuum) gap typically of a few micrometers. Compa…
JASMINE: Near-Infrared Astrometry and Time Series Photometry Science
Daisuke Kawata, Hajime Kawahara, Naoteru Gouda +86
Japan Astrometry Satellite Mission for INfrared Exploration (JASMINE) is a planned M-class science space mission by the Institute of Space and Astronautical Science, the Japan Aero…
Euclid preparation. XXIX. Water ice in spacecraft part I: The physics of ice formation and contamination
Euclid Collaboration, M. Schirmer, K. Thürmer +218
Molecular contamination is a well-known problem in space flight. Water is the most common contaminant and alters numerous properties of a cryogenic optical system. Too much ice mea…
Resonant two-laser spin-state spectroscopy of a negatively charged quantum dot-microcavity system with a cold permanent magnet
P. Steindl, T. van der Ent, H. van der Meer +5
A high-efficiency spin-photon interface is an essential piece of quantum hardware necessary for various quantum technologies. Self-assembled InGaAs quantum dots have excellent opti…
Cross-polarization extinction enhancement and spin-orbit coupling of light for quantum-dot cavity-QED spectroscopy
P. Steindl, J. A. Frey, J. Norman +3
Resonant laser spectroscopy is essential for the characterization, operation, and manipulation of single quantum systems such as semiconductor quantum dots. The separation of the w…
Realignment-free cryogenic macroscopic optical cavity coupled to an optical fiber
Vitaly Fedoseev, Matteo Fisicaro, Harmen van der Meer +2
We present a cryogenic setup where an optical Fabry-Perot resonator is coupled to a single-mode optical fiber with coupling efficiency above 90% at mK temperatures without realignm…
Pixel super-resolution interference pattern sensing via the aliasing effect for laser frequency metrology
Lipeng Wan, Tianbao Yu, Daomu Zhao +1
The superposition of several optical beams with large mutual angles results in sub-micrometer periodic patterns with a complex intensity, phase and polarization structure. For high…
Quantum detector tomography applied to the human visual system: a feasibility study
T. H. A. van der Reep, D. Molenaar, W. Löffler +1
We show that quantum detector tomography can be applied to the human visual system to explore human perception of photon number states. In detector tomography, instead of using ver…
Theoretical proposal for the experimental realisation of a monochromatic electromagnetic knot
R. P. Cameron, W. Löffler, K. D. Stephan
We propose an antenna designed to generate monochromatic electromagnetic knots and other "unusual electromagnetic disturbances" in the microwave domain. Our antenna is a spherical…
Gaia Early Data Release 3: The astrometric solution
L. Lindegren, S. A. Klioner, J. Hernández +94
Gaia Early Data Release 3 (Gaia EDR3) contains results for 1.812 billion sources in the magnitude range G = 3 to 21 based on observations collected by the European Space Agency Gai…
Artificial coherent states of light by multi-photon interference in a single-photon stream
P. Steindl, H. Snijders, G. Westra +9
Coherent optical states consist of a quantum superposition of different photon number (Fock) states, but because they do not form an orthogonal basis, no photon number states can b…