The DOI matches its Crossref record; 58 of the 59 references it cites were found in a registry or an index; none of the 18 sources its claims cite is checked for support yet.
12-Photon Entanglement and Scalable Scattershot Boson Sampling with Optimal Entangled-Photon Pairs from Parametric Down-Conversion
Open accessAbstract
Entangled-photon sources with simultaneously near-unity heralding efficiency and indistinguishability are the fundamental elements for scalable photonic quantum technologies. We design and realize a degenerate telecommunication wavelength entangled-photon source from an ultrafast pulsed laser pumped spontaneous parametric down-conversion (SPDC), which shows simultaneously 97% heralding efficiency and 96% indistinguishability between independent single photons without narrow-band filtering. Such a beamlike and frequency-uncorrelated SPDC source allows generation of the first 12-photon genuine entanglement with a state fidelity of 0.572±0.024. We further demonstrate a blueprint of scalable scattershot boson sampling using 12 SPDC sources and a 12×12 mode interferometer for three-, four-, and five-boson sampling, which yields count rates more than 4 orders of magnitude higher than all previous SPDC experiments.
Overview
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Written from the paper’s full text.
TL;DR
The paper reports an optimized ultrafast-pumped SPDC entangled-photon source with simultaneously near-unity heralding efficiency and indistinguishability, enabling the first 12-photon genuine entanglement and a scalable scattershot boson sampling blueprint. Using 12 SPDC sources and a 12×12-mode interferometer, it demonstrates three-, four-, and five-boson sampling with multi-photon count rates more than four orders of magnitude higher than previous SPDC experiments.
Key findings
- The source achieved ~97% corrected heralding efficiency and ~96% indistinguishability between independent single photons; Hong-Ou-Mandel interference showed a raw visibility of 0.962 ± 0.011, spectral purity was 0.99, and Bell-state visibility was above 0.997.
- The first 12-photon genuine entanglement was generated with population P = 0.732 ± 0.024, coherence C = 0.419 ± 0.041, and state fidelity reported as 0.572 ± 0.024 in the abstract (0.576 ± 0.024 in the main text), exceeding the 0.5 threshold by more than 3 standard deviations.
- Scattershot boson sampling with 12 SPDC sources and a 12×12-mode interferometer measured three-, four-, and five-photon sampling rates of 3.9 kHz, 44 Hz, and 0.3 Hz, respectively; the 3-boson sampling gave similarity 0.982 ± 0.004 and distance 0.122 ± 0.018.
- The 3.9 kHz three-photon count rate is more than four orders of magnitude higher than the best previous SPDC-based boson sampling experiments and comparable to state-of-the-art quantum-dot single-photon work.
Methods
- The entangled-photon source used beam-like type-II SPDC in a 6.3-mm BBO crystal pumped by a 775-nm pulsed laser with 5.5-nm bandwidth and 80-MHz repetition, generating photon pairs around 1550 nm; YVO4 beam displacers, half-wave plates, dispersion-compensating prisms, 30-nm bandpass filters, and superconducting nanowire single-photon detectors with ~75% average efficiency were used.
- For 12-photon entanglement, six BBO crystals produced six entangled pairs; one photon from each pair was combined on five polarization beam splitters, and 12-photon coincidences were post-selected and measured with wave plates, PBSs, and 24 SNSPDs at 1.8 W pump power and 0.55-mm focal waist, giving a 2.0 MHz two-photon rate and about one 12-photon coincidence per hour.
- For scattershot boson sampling, 12 SPDC sources fed a 12×12-mode interferometer encoded in spatial and polarization modes; idler photons heralded signal photons, and the experiment used a 0.8-mm pump waist and 0.5 MHz two-photon count rate, with similarity/distance metrics and likelihood ratio tests against a distinguishable-photon hypothesis.
Limitations
- The paper states that scaling to larger photon numbers is prohibited by the intrinsically probabilistic generation of entangled photon pairs in SPDC, which would require multiplexing.
- The paper states that similarity/distance characterization is not scalable to larger photon numbers; for four- and five-boson sampling the input-output combinations reach 495×495 and 792×792, making counting events extremely scarce, so a likelihood ratio test was used instead.
- The paper notes that the slight deviation of the measured HOM visibility from the predicted 0.99 could be caused by residual dispersion of the pump laser; the text also makes evident that the 12-photon coincidence rate was about one per hour and the five-boson sampling rate was 0.3 Hz.
Model-written summary. Check it against the paper before relying on it.
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Verification
Claims the paper makes
0 of 18 cited sources checked · 0 supported · 0 flagged
- Findingown data
The measured 3.9 kHz three-photon count rate is comparable to state-of-the-art quantum-dot single photons.
“and comparable to the work using state-of-the-art quantum-dot single photons”
Quote in the paperSubstantial claim - Findingreasoning
The paper generated the first 12-photon genuine entanglement.
“This high-performance entangled photon source immediately makes it possible to perform the first 12-photon entanglement experiment.”
- Also stated in: § Abstract · plain
“Such a highefficiency and frequency-uncorrelated SPDC source allows generation of the first 12-photon genuine entanglement”
Quote in the paperSubstantial claim- Rests on an assumption: The lack of a perfect entangled-photon source is the main reason scalable multi-photon entanglement remained challenging.
- Also stated in: § Abstract · plain
- Findingown data
The coherence C of the 12-photon GHZ state is 0.419 ± 0.041.
“From Fig. 3b, we calculate 0.419 0.041 C .”
Quote in the paperSubstantial claim - Findingown data
The 12-photon GHZ state has a population P = 0.732 ± 0.024.
“From Fig. 3a, we extract the population 0.732 0.024 P .”
Quote in the paperSubstantial claim - Findingown data
The state fidelity exceeds the threshold 0.5 by more than 3 standard deviations.
“which exceeds the threshold 0.5 more than 3 standard deviations”
Quote in the paperSubstantial claim
- Findingown data
The paper designed and realized a degenerate entangled-photon source from an ultrafast pulsed laser pumped SPDC that simultaneously shows near-unity heralding efficiency and indistinguishability.
“We design and realize a degenerate entangled-photon source from an ultrafast pulsed laser pumped spontaneous parametric downconversion (SPDC), which show simultaneously ~97% heralding efficiency and ~96% indistinguishability between independent single photons.”
- Also stated in: § Abstract · plain
“Here, we design and experimentally realize an optimal SPDC source of entangled photons at telecommunication wavelength by combining the techniques of frequencyuncorrelated and beam-like SPDC.”
Quote in the paperSubstantial claim- Rests on an assumption: Near-unity heralding efficiency and indistinguishability are fundamental requirements for scalable photonic quantum technologies.
- Also stated in: § Abstract · plain
- Findingown data
The source has a heralding efficiency of 94% at a pump beam waist of 1.9 mm.
“At a pump beam waist of 1.9 mm, the brightness decreases to 170 Hz/mW whereas the heralding efficiency increases to 94%.”
Quote in the paperSubstantial claim - Findingown data
The measured 3.9 kHz three-photon count rate is more than 4 orders of magnitude higher than the best previous boson sampling experiments based on SPDC.
“the measured 3.9 kHz three-photon count rate is more than 4 orders of magnitudes higher than the best previous boson sampling experiments based on SPDC [26][27][28][29]50]”
Quote in the paperSubstantial claim0 of 1 sources checked- cites [26][27][28][29]50]
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- Findingown data
The Hong-Ou-Mandel interference between two independent SPDC photons shows a raw visibility of 0.962 ± 0.011 at zero delay without narrowband filtering.
“at zero delay the four-fold coincidence count shows a dip with a raw visibility of 0.962 0.011 , without using inefficient narrowband spectral filtering.”
Quote in the paperSubstantial claim - Findingreasoning
The source has a corrected heralding efficiency of 97% at a pump beam waist of 1.9 mm.
“Subtracting the channel loss in the optical path from the BBO to the single-mode fiber, we estimate a corrected heralding efficiency of 97% at 1.9-mm waist.”
Quote in the paperSubstantial claim - Findingown data
The paper demonstrated a blueprint of scalable scattershot boson sampling using 12 SPDC sources and a 12×12-mode interferometer for three-, four-, and five-boson sampling.
“We further demonstrate a blueprint of scalable scattershot boson sampling using 12 SPDC sources and a 12×12-modes interferometer for three-, four-, and fiveboson sampling”
- Also stated in: § Abstract · boosted
“We exploit the SPDC source with simultaneously near-unity indistinguishability and heralding efficiency to demonstrate a blueprint of scalable scattershot boson sampling.”
Quote in the paperSubstantial claim- Rests on an assumption: The simultaneous combination of near-unity entanglement fidelity, indistinguishability, and collection efficiency remained an outstanding goal before this work.
- Also stated in: § Abstract · boosted
- Findingown data
The source has a two-photon count rate of 170 Hz/mW at a pump beam waist of 1.9 mm.
“At a pump beam waist of 1.9 mm, the brightness decreases to 170 Hz/mW”
Quote in the paperNot a substantial claim - Findingown data
The measured visibility of the two-photon entangled Bell state in the basis (H±V)/√2 is above 0.997.
“with a measured visibility above 0.997 in the basis of ( ) / 2 HV .”
Quote in the paperSubstantial claim - Findingreasoning
The state fidelity of the generated 12-photon GHZ state is 0.576 ± 0.024.
“We can then determine the state fidelity of the generated 12-photon GHZ state by ( ) / 2 0.576 0.024 PC ”
Quote in the paperSubstantial claim - Findingown data
The measured spectral purity of the photon pairs is 0.99.
“we extract a spectral purity of 0.99.”
Quote in the paperSubstantial claim - Findingnone given
The source is degenerate.
“degenerate entangled-photon source”
Quote in the paperSubstantial claim - Findingown data
The source is at telecommunication wavelength.
“optimal SPDC source of entangled photons at telecommunication wavelength”
Quote in the paperSubstantial claim - Findingown data
The 12-photon coincidence rate is about one per hour at a laser power of 1.8 W and focal waist of 0.55 mm.
“We use a suitable laser power of 1.8 W and a focal waist of 0.55 mm, where the detected 2-photon count rate is 2.0 MHz and the 12-photon coincidence is about one per hour.”
Quote in the paperSubstantial claim - Findingown data
The likelihood ratio test shows significant deviations between experimental data and simulated distinguishable sampling.
“The results are shown in Fig. 5b, with significant deviations between the experimental data (requiring only a few hundreds of samples) and the simulated distinguishable sampling.”
Quote in the paperSubstantial claim - Findingown data
The detected two-photon count rate is 2.0 MHz at laser power 1.8 W and focal waist 0.55 mm.
“We use a suitable laser power of 1.8 W and a focal waist of 0.55 mm, where the detected 2-photon count rate is 2.0 MHz and the 12-photon coincidence is about one per hour.”
Quote in the paperNot a substantial claim - Findingown data
The source is frequency-uncorrelated.
“Such a highefficiency and frequency-uncorrelated SPDC source allows generation of the first 12-photon genuine entanglement”
- Also stated in: § Abstract · hedged
“The measured joint spectrum of the photon pair, indicating the two photons are free of frequency correlations.”
Quote in the paperSubstantial claim- Rests on an assumption: Near-unity heralding efficiency and indistinguishability are fundamental requirements for scalable photonic quantum technologies.
- Also stated in: § Abstract · hedged
- Findingnone given
The paper's SPDC source has simultaneously near-unity indistinguishability and heralding efficiency.
“We exploit the SPDC source with simultaneously near-unity indistinguishability and heralding efficiency to demonstrate a blueprint of scalable scattershot boson sampling.”
Quote in the paperSubstantial claim- Rests on an assumption: Near-unity heralding efficiency and indistinguishability are fundamental requirements for scalable photonic quantum technologies.
- Interpretationcitation
The state fidelity is sufficient to prove the presence of genuine 12-qubit entanglement.
“and is sufficient to prove the presence of a genuine 12-qubit entanglement [48].”
Quote in the paperSubstantial claim0 of 1 sources checked- cites [48]
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- Premisereasoning
The standard boson sampling n-photon count rate using n heralded single photons scales as (εη)^n.
“Using n heralded single photons as input from n SPDC photon-pair sources, each with an generation probability of per pulse and a heralding efficiency of , the eventual n-photon count rate would scale as () n .”
Quote in the paperSubstantial claim - Premisecitation
A proof-of-principle demonstration of scattershot boson sampling has been reported previously using inefficient SPDC sources with low η, limiting scalability.
“A proof-of-principle demonstration of scattershot boson sampling has been reported previously [50], however, using inefficient SPDC sources with low , which limited the scalability to larger number of photons.”
Quote in the paperSubstantial claim0 of 1 sources checked- cites [50]
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- Premisecitation
In previous multi-photon entanglement experiments, e- and o-polarized photons were frequency-correlated, causing a trade-off between efficiency and indistinguishability.
“in these previous multi-photon entanglement experiments [10][11][12][13][14][15][16], the eand o-polarized photons were frequencycorrelated, as evident from the observed tilted two-photon joint spectral intensity distribution, which caused a trade-off between the efficiency and the indistinguishability.”
Quote in the paperSubstantial claim0 of 7 sources checked- cites [10]
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- cites [11]
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- cites [12]
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- cites [13]
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- cites [14]
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- cites [15]
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- cites [16]
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- Interpretationreasoning
The paper established an optimal multi-photon platform.
“Our work has established an optimal multi-photon platform”
Quote in the paperSubstantial claim- Rests on an assumption: Near-unity heralding efficiency and indistinguishability are fundamental requirements for scalable photonic quantum technologies.
- Rests on an assumption: The lack of a perfect entangled-photon source is the main reason scalable multi-photon entanglement remained challenging.
- Rests on an assumption: The simultaneous combination of near-unity entanglement fidelity, indistinguishability, and collection efficiency remained an outstanding goal before this work.
- Premisecitation
The key idea of scattershot boson sampling is to use k >> n heralded single-photon sources to achieve exponential (k choose n) times increase in n-photon count rate.
“The key idea of scattershot boson sampling [31] is to use k ( kn ) heralded single-photon sources connecting to different input modes of the interferometer, which can achieve an exponential k n times increase in the n-photon count rate”
Quote in the paperSubstantial claim0 of 1 sources checked- cites [31]
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- Premisecitation
A state fidelity exceeding 0.5 by more than 3 standard deviations is sufficient to prove genuine 12-qubit entanglement.
“which exceeds the threshold 0.5 more than 3 standard deviations and is sufficient to prove the presence of a genuine 12-qubit entanglement [48].”
Quote in the paperSubstantial claim0 of 1 sources checked- cites [48]
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- Premisecitation
For a photon pair free from spatiotemporal correlations, the two-photon joint amplitude function must be factorable.
“For the photon pair free from any correlation in their spatiotemporal degrees of freedom, it is necessary that the two-photon joint amplitude function is factorable [45].”
Quote in the paperSubstantial claim0 of 1 sources checked- cites [45]
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- Study design and conductcitation
The boson sampling data were validated using a likelihood ratio test to rule out the distinguishable photon hypothesis.
“We apply likelihood ratio test to rule out the distinguishable photon hypothesis [46].”
Quote in the paperSubstantial claim0 of 1 sources checked- cites [46]
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- It may state two separate claims as one. 6
- Probably not a substantial claim. 5
It may state two separate claims as one.
Findingown dataThe measured three-, four-, and five-photon sampling rates are 3.9 kHz, 44 Hz, and 0.3 Hz, respectively.
“We measure the three-, four-and five-photon sampling rate of 3.9 kHz, 44 Hz and 0.3 Hz, respectively.”
Quote in the paperSubstantial claimIt may state two separate claims as one.
Findingown dataThe source has a two-photon count rate of 7100 Hz/mW and a heralding efficiency of 85% at a pump beam waist of 260 μm.
“at a pump beam waist of 260 μm, we obtain a two-photon count rate of 7100 Hz/mW and a heralding efficiency of 85%.”
Quote in the paperSubstantial claimIt may state two separate claims as one.
Findingown dataFor 3-boson sampling, the similarity is 0.982 ± 0.004 and the distance is 0.122 ± 0.018.
“we obtain a similarity of 0.982 0.004 and a distance of 0.122 0.018 .”
Quote in the paperSubstantial claimIt may state two separate claims as one.
FindingcitationThe source uses a BBO crystal with thickness 6.3 mm, pump laser wavelength 775 nm, and pulsed laser bandwidth 5.5 nm.
“using a BBO crystal with a thickness of 6.3 mm, pump laser wavelength of 775 nm (generating photon pairs centered around 1550 nm), and pulsed laser bandwidth of 5.5 nm [46].”
Quote in the paperSubstantial claim0 of 1 sources checked- cites [46]
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
It may state two separate claims as one.
InterpretationreasoningThe scattershot boson sampling with 12 sources yields 220, 495, and 792 times enhancement of efficiency over standard boson sampling for three-, four-, and five-photon sampling, respectively.
“There are 220, 495 and 792 different no-collision input combinations for the three-, four-and fivephoton boson sampling, which implies that our scattershot boson sampling is expected to yield 220, 495 and 792 times enhancement of the efficiency over standard boson sampling, respectively.”
Quote in the paperSubstantial claimProbably not a substantial claim. The paper’s conclusions may not depend on it.
PremisecitationThe number of genuinely multi-particle entangled photons from SPDC has been increased up to ten.
“In the past two decades, the number of genuinely multi-particle entangled photons from SPDC has been increased up to ten [15,16].”
Quote in the paperNot a substantial claim0 of 2 sources checked- cites [15]
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- cites [16]
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
Probably not a substantial claim. It may be too vague to check against evidence.
InterpretationreasoningThe paper's work opens a promising pathway to scalable photonic quantum technologies.
“opening up a promising pathway to scalable photonic quantum technologies.”
Quote in the paperNot a substantial claim- Rests on an assumption: Near-unity heralding efficiency and indistinguishability are fundamental requirements for scalable photonic quantum technologies.
Probably not a substantial claim.
Study design and conductreasoningThe dispersion of YVO4 and BBO crystals was compensated by four pairs of dispersion-compensating prisms.
“due to the group delay dispersion of the YVO4 crystals (310 fs 2 /mm) and the BBO crystals (79 fs 2 /mm), we employ four pairs of dispersion-compensating prisms to eliminate the dispersion.”
Quote in the paperSubstantial claimProbably not a substantial claim.
Interpretationnone givenThe source can be combined with multiplexing to overcome its probabilistic scaling.
“Our SPDC source is also readily to be combined with multiplexing to overcome its probabilistic scaling, opening up a new pathway towards scalable photonic quantum technologies.”
Quote in the paperSubstantial claim- Rests on an assumption: Near-unity heralding efficiency and indistinguishability are fundamental requirements for scalable photonic quantum technologies.
Probably not a substantial claim. The paper’s conclusions may not depend on it.
PremisecitationSPDC has been the most widely used workhorse for producing entangled-photon pairs.
“Spontaneous parametric down-conversion (SPDC) [1] has been the most widely used workhorse for producing entangled-photon pairs”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites [1]
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
It may state two separate claims as one.
InterpretationreasoningThe paper's work enables high-efficiency implementations of multiplexing, scattershot boson sampling, and heralded creation of remotely entangled photons.
“Our work immediately enables high-efficiency implementations of multiplexing, scattershot boson sampling, and heralded creation of remotely entangled photons”
Quote in the paperSubstantial claim- Rests on an assumption: Near-unity heralding efficiency and indistinguishability are fundamental requirements for scalable photonic quantum technologies.
The paper relies on this without support.
Near-unity heralding efficiency and indistinguishability are fundamental requirements for scalable photonic quantum technologies.
“Entangled photon sources with simultaneously near-unity heralding efficiency and indistinguishability are the fundamental elements for scalable photonic quantum technologies.”
The paper relies on this without support.
The lack of a perfect entangled-photon source is the main reason scalable multi-photon entanglement remained challenging.
“Yet, a more scalable implementation remained challenging, largely to the lack of a perfect entangled-photon source produced by ultrafast laser pumped SPDC where the photonic entanglement fidelity, the collection efficiency, and the indistinguishability between independent photons are simultaneously engineered to close to unity.”
The paper relies on this without support.
The simultaneous combination of near-unity entanglement fidelity, indistinguishability, and collection efficiency remained an outstanding goal before this work.
“There has been important progress in preparing heralded single photons in frequencyuncorrelated pure quantum state [42][43][44], yet the simultaneous combination of nearunity entanglement fidelity, indistinguishability, and collection efficiency remained an outstanding goal.”
Claims other papers make about this one
Each is checked against this paper’s own text: does it say what the citing paper says it does?
Large-scale quantum information processing with hundreds or thousands of photons will almost certainly require the technological functionalities and scaling that only integrated photonics can provide.
“While photonic experiments in bulk-optics continue to deliver significant results [15], large-scale quantum information processing with hundreds or thousands of photons will almost certainly require the technological functionalities and scaling that only integrated photonics can provide.”
From Integrated photonic quantum technologies (2020) · cites this paper as [15]
Scattershot Boson sampling was demonstrated first on chip via bulk-optic SPDC-SPSs, and recently via a fully integrated chip via SFWM-SPSs.
“It has been demonstrated first on chip via bulk-optic SPDC-SPSs [15, 97] ( Fig.5a ), and recently via a fully integrated chip via SFWM-SPSs [98].”
From Integrated photonic quantum technologies (2020) · cites this paper as [15]
Self-check
Percentages, sums and reported differences re-computed from the paper’s own numbers.
Each contradiction between two passages listed here was confirmed by an independent check.
Hong-Ou-Mandel citation points to the wrong reference
MinorThe text cites reference 47 for Hong-Ou-Mandel interference, but the bibliography lists the Hong, Ou, and Mandel paper as reference 46; reference 47 is a different paper.
“we perform a Hong-Ou-Mandel quantum interference [47] between two independent SPDC photons.”
“46. C. K. Hong, Z. Y. Ou, and L. Mandel, Phys. Rev. Lett. 59, 2044 (1987). 47. O. Gühne and G. Tóth, Physics Reports 474, 1 (2009).”
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Self-citationToward Scalable Boson Sampling with Photon Loss
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Quantum computational advantage using photons
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Self-citationA versatile single-photon-based quantum computing platform
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Topologically Protected Valley-Dependent Quantum Photonic Circuits
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Spontaneous Parametric Down‐Conversion Sources for Multiphoton Experiments
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Self-citationSequential generation of multiphoton entanglement with a Rydberg superatom
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Self-citationQuantum Teleportation of Shared Quantum Secret
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Metadata
- Authors
- Zhong, H.-S., Li, Y., Li, W., Peng, L.-C., Su, Z.-E., Hu, Y., He, Y.-M., Ding, X., Zhang, W., Li, H., Zhang, L., Wang, Z., You, L., Wang, X.-L., Jiang, X., Li, L., Chen, Y.-A., Liu, N.-L., Lu, C.-Y., & Pan, J.-W.
- Affiliations
- University of Science and Technology of China (CN)
- Chinese Academy of Sciences (CN)
- ORCID
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2018-12-21
- Volume
- 121
- Issue
- 25
- Pages
- 250505-250505
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2896439086
- Cited by
- 432
- References
- 59
- Citations by year
- 2026: 45 · 2025: 54 · 2024: 60 · 2023: 56 · 2022: 58 · 2021: 59 · 2020: 62 · 2019: 35 · 2018: 3
- FWCI
- 18.86
- Type
- journal article
- Language
- en
- Open access
- green
- arxiv.org
- Locations
- Physical Review Letters (publishedVersion)
- PubMed (publishedVersion)
- arXiv (Cornell University) (submittedVersion)
- Figshare (submittedVersion, cc-by)
- arXiv (Cornell University)
- Bulletin of the American Physical Society
- Funders
- National Natural Science Foundation of China (91836303)
- Chinese Academy of Sciences
- National Fundamental Research Program
- Topics
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Quantum Information and Cryptography
- Physical Sciences › Computer Science › Artificial Intelligence › Quantum Computing Algorithms and Architecture
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Quantum optics and atomic interactions
- Keywords
- entangled photon pairs, spontaneous parametric down-conversion, heralding efficiency, photon indistinguishability, photonic quantum technologies
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