All optical-fibre device for quantum technologies

Project funded by Swedish Governmental Agency for Innovation Systems (Vinnova) (Project grant), grant 2023-01358_Vinnova. Participating organisations named by the source: RISE Research Institutes of Sweden. Funded amount: SEK 1,517,120, as stated by the source. Runs 2023-09-28 to 2024-06-27. Keywords: Teknik, Engineering and Technology, Elektroteknik och elektronik, Electrical Engineering, Electronic Engineering, Information Engineering. Source: OpenAIRE Graph, from the funder's project data (collected by OpenAIRE on 2025-12-05); national funding data, not CORDIS. Abstract given by the source: Purpose and goal: In this preliminary study, the project participants have: -Designed and fabricated a low-loss, compact all-fibre modulator based on specialty fibres that can be directly integrated in quantum fibre communication and sensor systems and functions at telecom wavelengths. -Shown the proof-of-concept of a quantum memory and evaluation of improved performance of distributed fibre quantum sensing brought by this new device. -Evaluated the commercial prospects of this device and start planning for future R&D opportunities. Expected results and effects: Results include an all optical-fibre low loss, phase modulator that can be seamlessly integrated in fibre-optic telecom and sensing systems and an optical memory adapted for quantum technologies. A patent application was submitted for this component. Expected benefits include quantum technologies that work at room temperature and can be seamlessly integrated with existing optical communication links and networks and quantum sensing in the field of distributed fibre sensing where they will improve the sensitivity and extend the measurement range of these sensors to >100 kms. Approach and implementation: -A low-loss all-fiber phase modulator that can be directly integrated to a fiber-optic network was developed. This device was used to make an all fibre-optic memory prototype. -Testing and evaluation of through experiments demonstrating the performance of the quantum memory prototype using single-photons carrying quantum information to evaluate the storage time, and fidelity of encoded state after retrieval. - Protection of the all-fibred quantum memory concept through a provisional patent submission and contact-creating activities to build on future R&D opportunities.

Original source.

Source: OpenAIRE Graph: projects of national funders, OpenAIRE, from the project data of Swedish Governmental Agency for Innovation Systems (Vinnova). Retrieved 2026-10-28. Licence: Creative Commons Attribution 4.0 (OpenAIRE Graph). Selected metadata, adapted presentation; the publisher's record is authoritative. No endorsement by the source is implied. Licence: Creative Commons Attribution 4.0 (CC BY 4.0).

AI-assisted summary: The project, funded by Vinnova with a grant of SEK 1,517,120, involves RISE Research Institutes of Sweden and runs from September 28, 2023, to June 27, 2024. It focuses on developing a low-loss all-fibre modulator for quantum communication and sensing. Suggested technology pillar: communication. Generated by AI from the public source text; it may contain errors and the original source is authoritative.