Overcoming the rate–distance limit of quantum key distribution without quantum repeaters

M Lucamarini, ZL Yuan, JF Dynes, AJ Shields - Nature, 2018 - nature.com
Quantum key distribution (QKD), allows two distant parties to share encryption keys with
security based on physical laws. Experimentally, QKD has been implemented via optical …

Phase-matching quantum key distribution

X Ma, P Zeng, H Zhou - Physical Review X, 2018 - APS
Quantum key distribution allows remote parties to generate information-theoretic secure
keys. The bottleneck throttling its real-life applications lies in the limited communication …

A compact grating-stabilized diode laser system for atomic physics

L Ricci, M Weidemüller, T Esslinger, A Hemmerich… - Optics …, 1995 - Elsevier
We describe a compact, economic and versatile diode laser system based on commercial
laser diodes, optically stabilized by means of feedback from a diffraction grating. We offer …

Limits to the sensitivity of a low noise compact atomic gravimeter

J Le Gouët, TE Mehlstäubler, J Kim, S Merlet… - Applied Physics B, 2008 - Springer
A detailed analysis of the most relevant sources of phase noise in an atomic interferometer
is carried out, both theoretically and experimentally. Even a short interrogation time of 100 …

Measurement of the sensitivity function in a time-domain atomic interferometer

P Cheinet, B Canuel, FP Dos Santos… - IEEE Transactions …, 2008 - ieeexplore.ieee.org
We present here an analysis of the sensitivity of a time-domain atomic interferometer to the
phase noise of the lasers used to manipulate the atomic wave packets. The sensitivity …

Bloch oscillations of atoms, adiabatic rapid passage, and monokinetic atomic beams

E Peik, MB Dahan, I Bouchoule, Y Castin, C Salomon - Physical Review A, 1997 - APS
We study the dynamics of ultracold atoms in a periodic optical potential submitted to a
constant external force. Bloch oscillations in the fundamental and first excited bands of the …

Phase-locking of a 2.7-THz quantum cascade laser to a mode-locked erbium-doped fibre laser

S Barbieri, P Gellie, G Santarelli, L Ding, W Maineult… - Nature …, 2010 - nature.com
Mode-locked femtosecond lasers have revolutionized the field of optical metrology by
allowing the realization of ultra-stable phase-coherent links between the optical-frequency …

A compact dual atom interferometer gyroscope based on laser-cooled rubidium

T Müller, M Gilowski, M Zaiser, P Berg… - The European Physical …, 2009 - Springer
We present a compact and transportable inertial sensor for precision sensing of rotations
and accelerations. The sensor consists of a dual atom interferometer operated with laser …

A mobile high-precision absolute gravimeter based on atom interferometry

M Schmidt, A Senger, M Hauth, C Freier… - Gyroscopy and …, 2011 - Springer
We present the new mobile and robust gravimeter GAIN (Gravimetric Atom Interferometer),
which is based on interfering ensembles of laser cooled 87 Rb atoms in an atomic fountain …

A fibered laser system for the MIGA large scale atom interferometer

DO Sabulsky, J Junca, G Lefèvre, X Zou, A Bertoldi… - Scientific reports, 2020 - nature.com
We describe the realization and characterization of a compact, autonomous fiber laser
system that produces the optical frequencies required for laser cooling, trapping …