ArticleLight, science & applications2024
High-rate intercity quantum key distribution with a semiconductor single-photon source.
Article in Light, science & applications, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Study of Free-Space Optical Quantum Network: Review and Prospectives.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Review
- Time-bin encoded quantum key distribution over 120 km with a telecom quantum dot source.Light, science & applications · 2026Article
- Hybrid quantum-chaotic key expansion enhances QKD rates using the Lorenz system.Scientific reports · 2026Article
- Deterministic and highly indistinguishable single photons in the telecom C-band.Nature communications · 2026Article
- A continuous-wave photon-pair source operating in L-band through spontaneous four-wave mixing in birefringent ZBLAN fiber.Scientific reports · 2025Article
- CNano letters · 2025Article
- Polarization-encoded quantum key distribution with a room-temperature telecom single-photon emitter.National science review · 2025Article
- Experimental demonstration of integrated encryption and communication over optical fiber.National science review · 2025Article
- Solid-state single-photon sources operating in the telecom wavelength range.Nanophotonics (Berlin, Germany) · 2025Review
- Post-Quantum Cryptography Resilience in Telehealth Using Quantum Key Distribution.Blockchain in healthcare today · 2025Article
Corrections and comments
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Authors and funding
16 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Quantum key distribution (QKD) enables the transmission of information that is secure against general attacks by eavesdroppers. The use of on-demand quantum light sources in QKD protocols is expected to help improve security and maximum tolerable loss. Semiconductor quantum dots (QDs) are a promising building block for quantum communication applications because of the deterministic emission of single photons with high brightness and low multiphoton contribution. Here we report on the first intercity QKD experiment using a bright deterministic single photon source. A BB84 protocol based on polarisation encoding is realised using the high-rate single photons in the telecommunication C-band emitted from a semiconductor QD embedded in a circular Bragg grating structure. Utilising the 79 km long link with 25.49 dB loss (equivalent to 130 km for the direct-connected optical fibre) between the German cities of Hannover and Braunschweig, a record-high secret key bits per pulse of 4.8 × 10
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.