Quantum repeaters based on atomic ensembles and linear optics

N Sangouard, C Simon, H De Riedmatten… - Reviews of Modern Physics, 2011 - APS
The distribution of quantum states over long distances is limited by photon loss.
Straightforward amplification as in classical telecommunications is not an option in quantum …

Optical quantum memory

AI Lvovsky, BC Sanders, W Tittel - Nature photonics, 2009 - nature.com
Quantum memory is essential for the development of many devices in quantum information
processing, including a synchronization tool that matches various processes within a …

Waveguide-coupled single collective excitation of atomic arrays

NV Corzo, J Raskop, A Chandra, AS Sheremet… - Nature, 2019 - nature.com
Considerable efforts have been recently devoted to combining ultracold atoms and
nanophotonic devices,,–to obtain not only better scalability and figures of merit than in free …

A quantum memory at telecom wavelengths

A Wallucks, I Marinković, B Hensen, R Stockill… - Nature Physics, 2020 - nature.com
Nanofabricated mechanical resonators are gaining significant momentum among potential
quantum technologies due to their unique design freedom and independence from naturally …

Quantum storage of photonic entanglement in a crystal

C Clausen, I Usmani, F Bussieres, N Sangouard… - Nature, 2011 - nature.com
Entanglement is the fundamental characteristic of quantum physics—much experimental
effort is devoted to harnessing it between various physical systems. In particular …

Optomechanical bell test

I Marinković, A Wallucks, R Riedinger, S Hong… - Physical review …, 2018 - APS
Over the past few decades, experimental tests of Bell-type inequalities have been at the
forefront of understanding quantum mechanics and its implications. These strong bounds on …

Experimental demonstration of a BDCZ quantum repeater node

ZS Yuan, YA Chen, B Zhao, S Chen, J Schmiedmayer… - Nature, 2008 - nature.com
Quantum communication is a method that offers efficient and secure ways for the exchange
of information in a network. Large-scale quantum communication,,,(of the order of 100 km) …

Mapping photonic entanglement into and out of a quantum memory

KS Choi, H Deng, J Laurat, HJ Kimble - Nature, 2008 - nature.com
Developments in quantum information science rely critically on entanglement—a
fundamental aspect of quantum mechanics that causes parts of a composite system to show …

Functional quantum nodes for entanglement distribution over scalable quantum networks

CW Chou, J Laurat, H Deng, KS Choi… - Science, 2007 - science.org
We demonstrated entanglement distribution between two remote quantum nodes located 3
meters apart. This distribution involves the asynchronous preparation of two pairs of atomic …

Heralded entanglement between atomic ensembles: preparation, decoherence, and scaling

J Laurat, KS Choi, H Deng, CW Chou, HJ Kimble - Physical review letters, 2007 - APS
Heralded entanglement between collective excitations in two atomic ensembles is
probabilistically generated, stored, and converted to single-photon fields. By way of the …