293 citations · 1.1k across the 12 of their papers we have counts for
12 papers
Detecting Infrared Single Photons with Near-Unity System Detection Efficiency
Jin Chang, Johannes W. N. Los, Jaime Oscar Tenorio-Pearl +9
Single photon detectors are indispensable tools in optics, from fundamental measurements to quantum information processing. The ability of superconducting nanowire single photon de…
Reconfigurable quantum photonics with on-chip detectors
Samuel Gyger, Julien Zichi, Lucas Schweickert +7
Integrated quantum photonics offers a promising path to scale up quantum optics experiments by miniaturizing and stabilizing complex laboratory setups. Central elements of quantum…
A platform for high performance photon correlation measurements
Iman Esmaeil Zadeh, Johannes W. N. Los, Ronan B. M. Gourgues +19
A broad range of scientific and industrial disciplines require precise optical measurements at very low light levels. Single-photon detectors combining high efficiency and high tim…
Multimode Fiber Coupled Superconducting Nanowire Single Photon Detectors with High Detection Efficiency and Time Resolution
Jin Chang, Iman Esmaeilzadeh, Johannes W. N. Los +7
In the past decade superconducting nanowire single photon detectors (SNSPDs) have gradually become an indispensable part of any demanding quantum optics experiment. Until now, most…
Passively stable distribution of polarisation entanglement over 192 km of deployed optical fibre
Sören Wengerowsky, Siddarth Koduru Joshi, Fabian Steinlechner +14
Quantum key distribution (QKD) based on entangled photon pairs holds the potential for repeater-based quantum networks connecting clients over long distance. We demonstrate long-di…
High performance superconducting nanowire single photon detectors operating at temperature from 4 to 7 K
Ronan Gourgues, Johannes W. N. Los, Julien Zichi +6
We experimentally investigate the performance of NbTiN superconducting nanowire single photon detectors above the base temperature of a conventional Gifford-McMahon cryocooler (2.5…
NbTiN low timing jitter single-photon detectors with unity internal efficiency at 1550 nm and 2.5 K
Julien Zichi, Jin Chang, Stephan Steinhauer +8
The requirements in quantum optics experiments for high single photon detection efficiency, low timing jitter, low dark count rate and short dead time have been fulfilled with the…
Controlled integration of selected detectors and emitters in photonic integrated circuits
Ronan Gourgues, Iman Esmaeil Zadeh, Ali W. Elshaari +7
Integration of superconducting nanowire single photon detectors and quantum sources with photonic waveguides is crucial for realizing advanced quantum integrated circuits. However,…
Improvement of the critical temperature of NbTiN films on III-nitride substrates
Houssaine Machhadani, Julien Zichi, Catherine Bougerol +7
In this paper, we study the impact of using III-nitride semiconductors (GaN, AlN) as substrates for ultrathin (11 nm) superconducting films of NbTiN deposited by reactive magnetron…
In-field entanglement distribution over a 96 km-long submarine optical fibre
Sören Wengerowsky, Siddarth Koduru Joshi, Fabian Steinlechner +13
Techniques for the distribution of quantum-secured cryptographic keys have reached a level of maturity allowing them to be implemented in all kinds of environments, away from any f…
A stable wavelength-tunable triggered source of single photons and cascaded photon pairs at the telecom C-band
Katharina D. Zeuner, Matthias Paul, Thomas Lettner +8
The implementation of fiber-based long-range quantum communication requires tunable sources of single photons at the telecom C-band. Stable and easy-to-implement wavelength- tunabi…
On-demand generation of background--free single photons from a solid-state source
Lucas Schweickert, Klaus D. Jöns, Katharina D. Zeuner +8
True on--demand high--repetition--rate single--photon sources are highly sought after for quantum information processing applications. However, any coherently driven two-level quan…