Single-photon sources: approaching the ideal through multiplexing
Open accessAbstract
We review the rapid recent progress in single-photon sources based on multiplexing multiple probabilistic photon-creation events. Such multiplexing allows higher single-photon probabilities and lower contamination from higher-order photon states. We study the requirements for multiplexed sources and compare various approaches to multiplexing using different degrees of freedom.
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Since the heralding efficiency of a spontaneous source is fundamentally limited to 25%, multiplexing is essential to improving the heralded single-photon generation probability per pump pulse.
“Since the heralding efficiency of a spontaneous source is fundamentally limited to 25%, multiplexing is essential to improving the heralded single-photon generation probability (per pump pulse) [110].”
From 2022 Roadmap on integrated quantum photonics (2022) · cites this paper as [110]
The Advantage of Multiplexing (page unavailable) says that a single ideal photon-pair source is limited to 25% heralding probability when the heralded single-photon fidelity is perfect. It does not say heralding efficiency is universally limited to 25%; that bound has a fidelity condition. The same section supports the claim that multiplexing can increase the probability of a heralded output. (LLM, conf=0.90)
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References 138 · Cited by 204
Research works printed but not linked: 4
- [32]Ralph TC and Pryde GJ, “ Progress in optics,” in Progress in Optics, Vol. 54 (Elsevier, 2010) Chap. 4 - Optical Quantum Computation, pp. 209– 269.
- [42]Migdall AL, Polyakov SV, Fan J, and Bienfang JC, “ Single-photon generation and detection: physics and applications,” in Experimental Methods in Physical Sciences, Vol. 45 (Academic Press, 2013).
- [53]Brida G, Degiovanni IP, Genovese M, Piacentini F, Traina P, Della Frera A, Tosi A, Shehata AB, Scarcella C, Gulinatti A, Ghioni M, Polyakov SV, Migdall A, and Giudice A, “ An extremely low-noise heralded single-photon source: A breakthrough for quantum technologies,” Applied Physics Letters 101, 221112– 4 (2012).
- [93]Kok P and Lovett B, Introduction to Optical Quantum Information Processing (Cambridge University Press, 2010).
- Authors
- Meyer-Scott, E., Silberhorn, C., & Migdall, A.
- Affiliations
- Paderborn University (DE)
- National Institute of Standards and Technology (US)
- Corresponding author
- Migdall, Alan
- Venue
- Review of Scientific Instruments
- Publisher
- AIP Publishing
- Published
- 2020-04-01
- Volume
- 91
- Issue
- 4
- Pages
- 041101-041101
- ISSN
- 0034-6748 (ISSN-L)
- 1089-7623
- PMC
- PMC8078861
- OpenAlex
- W3023382193
- Cited by
- 204
- References
- 138
- Citations by year
- 2026: 20 · 2025: 30 · 2024: 41 · 2023: 40 · 2022: 35 · 2021: 31 · 2020: 7
- FWCI
- 11.11
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- Locations
- Review of Scientific Instruments (publishedVersion, cc-by)
- PubMed (publishedVersion)
- PubMed Central (acceptedVersion)
- Topics
- Physical Sciences › Computer Science › Artificial Intelligence › Quantum Information and Cryptography
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Quantum optics and atomic interactions
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Semiconductor Quantum Structures and Devices
- Keywords
- single-photon sources, multiplexing, degrees of freedom
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