EPJQT - EPJ Quantum Technology

Open Access

Research

Towards satellite tests combining general relativity and quantum mechanics through quantum optical interferometry: progress on the deep space quantum link

Makan Mohageg, Charis Anastopoulos, Olivia Brasher, Jason Gallicchio, Bei Lok Hu, Thomas Jennewein, Spencer Johnson, Shih-Yuin Lin, Alexander Ling, Alexander Lohrmann et al. (9 more)

Published online: 20 June 2025

DOI: 10.1140/epjqt/s40507-025-00370-1

Open Access

Review

Quantum computing for space applications: a selective review and perspectives

Pietro Torta, Rebecca Casati, Stefano Bruni, Antonio Mandarino and Enrico Prati

Published online: 05 June 2025

DOI: 10.1140/epjqt/s40507-025-00369-8

Open Access

Research

Parallel trusted node approach for satellite quantum key distribution

Gianluca De Santis, Konstantin Kravtsov, Sana Amairi-Pyka and James A. Grieve

Published online: 06 May 2025

DOI: 10.1140/epjqt/s40507-025-00354-1

Open Access

Research

Semiconductor optical amplifier-based laser system for cold-atom sensors

Eric Kittlaus, Jonathon Hunacek, Mahmood Bagheri, Hani Nejadriahi, Mehdi Langlois, Sheng-wey Chiow, Nan Yu and Siamak Forouhar

Published online: 10 April 2025

DOI: 10.1140/epjqt/s40507-025-00348-z

Open Access

Research

Search for fast-oscillating fundamental constants with space missions

Dmitry Budker, Joshua Eby, Marianna S. Safronova and Oleg Tretiak

Published online: 28 March 2025

DOI: 10.1140/epjqt/s40507-025-00339-0

Open Access

Research

Quantum gravity gradiometry for future mass change science

Ben Stray, Xavier Bosch-Lluis, Robert Thompson, Clayton Okino, Nan Yu, Norman Lay, Brian Muirhead, Jason Hyon, Holly Leopardi, Peter Brereton et al. (13 more)

Published online: 14 March 2025

DOI: 10.1140/epjqt/s40507-025-00338-1

Open Access

Research

Spatially resolved phase reconstruction for atom interferometry

Stefan Seckmeyer, Holger Ahlers, Jan-Niclas Kirsten-Siemß, Matthias Gersemann, Ernst M. Rasel, Sven Abend and Naceur Gaaloul

Published online: 12 March 2025

DOI: 10.1140/epjqt/s40507-025-00337-2

Open Access

Research

Ramsey-Bordé atom interferometry with a thermal strontium beam for a compact optical clock

Oliver Fartmann, Martin Jutisz, Amir Mahdian, Vladimir Schkolnik, Ingmari C. Tietje, Conrad Zimmermann and Markus Krutzik

Published online: 03 March 2025

DOI: 10.1140/epjqt/s40507-025-00332-7

Open Access

Research

INTENTAS - an entanglement-enhanced atomic sensor for microgravity

O. Anton, I. Bröckel, D. Derr, A. Fieguth, M. Franzke, M. Gärtner, E. Giese, J. S. Haase, J. Hamann, A. Heidt et al. (14 more)

Published online: 21 February 2025

DOI: 10.1140/epjqt/s40507-025-00330-9

Open Access

Research

Pulse shape optimization against Doppler shifts and delays in optical quantum communication

Emanuel Schlake, Roy Barzel, Dennis Rätzel and Claus Lämmerzahl

Published online: 14 February 2025

DOI: 10.1140/epjqt/s40507-025-00321-w

Open Access

Research

A reconfigurable entanglement distribution network suitable for connecting multiple ground nodes with a satellite

Stéphane Vinet, Ramy Tannous and Thomas Jennewein

Published online: 22 January 2025

DOI: 10.1140/epjqt/s40507-025-00305-w

Open Access

Brief Report

Intermodal quantum key distribution field trial with active switching between fiber and free-space channels

Francesco Picciariello, Ilektra Karakosta-Amarantidou, Edoardo Rossi, Marco Avesani, Giulio Foletto, Luca Calderaro, Giuseppe Vallone, Paolo Villoresi and Francesco Vedovato

Published online: 16 January 2025

DOI: 10.1140/epjqt/s40507-025-00306-9

Open Access

Research

Simulation of satellite and optical link dynamics in a quantum repeater constellation

Jaspar Meister, Philipp Kleinpaß and Davide Orsucci

Published online: 16 January 2025

DOI: 10.1140/epjqt/s40507-025-00307-8

Open Access

Research

Estimating the link budget of satellite-based Quantum Key Distribution (QKD) for uplink transmission through the atmosphere

Satya Ranjan Behera and Urbasi Sinha

Published online: 15 October 2024

DOI: 10.1140/epjqt/s40507-024-00279-1

EPJ

EPJ Quantum Technology

Prospects for Space Quantum Research

Towards satellite tests combining general relativity and quantum mechanics through quantum optical interferometry: progress on the deep space quantum link

Quantum computing for space applications: a selective review and perspectives

Parallel trusted node approach for satellite quantum key distribution

Semiconductor optical amplifier-based laser system for cold-atom sensors

Search for fast-oscillating fundamental constants with space missions

Quantum gravity gradiometry for future mass change science

Spatially resolved phase reconstruction for atom interferometry

Ramsey-Bordé atom interferometry with a thermal strontium beam for a compact optical clock

INTENTAS - an entanglement-enhanced atomic sensor for microgravity

Pulse shape optimization against Doppler shifts and delays in optical quantum communication

A reconfigurable entanglement distribution network suitable for connecting multiple ground nodes with a satellite

Intermodal quantum key distribution field trial with active switching between fiber and free-space channels

Simulation of satellite and optical link dynamics in a quantum repeater constellation

Estimating the link budget of satellite-based Quantum Key Distribution (QKD) for uplink transmission through the atmosphere

Conference announcements