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REVIEW 3 major objections 4 minor 34 references

Efficient Pumping of Spectral Holes in a Tm$^{3+}$: YAG Crystal for Broadband Quantum Optical Storage

T0 review · 3 major / 4 minor · reviewed 2026-08-11 · deepseek-v4-flash

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Pith's one-line read The paper reports a Tm3+:YAG atomic-frequency-comb memory that stores single-photon-level pulses with 28.5±0.2% efficiency at 30 MHz bandwidth, in free space at 3.5 K, without a cavity or dilution refrigerator, and proposes a pumping…

desk verdict Solid measured AFC efficiency in Tm:YAG at 3.5 K, but the broadband pumping proposal is a simulation-based extrapolation that needs experimental validation. read the letter →

arxiv 2412.12379 v1 pith:VLZUFOL4 submitted 2024-12-16 quant-ph

Yisheng Lei , Zongfeng Li , Mahdi Hosseini This is my paper · ORCID
classification quant-ph
keywords quantummemoryatomicfrequencycombspectralholeburningTm3+:YAGbroadbandopticalstorageintrinsicpumpingrare-earthionsrepeaters
verification ladder T0 review T1 audit T2 compute T3 formal

The pith

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

The reading

This paper tries to show that Tm3+:YAG crystals can serve as practical broadband quantum memories without the need for cavities or dilution refrigerators. The authors demonstrate single-photon-level storage with efficiency $28.5 \pm 0.2\%$ at a memory bandwidth of 30 MHz in a free-space crystal at 3.5 K, close to the $30.4\%$ predicted by the atomic-frequency-comb efficiency model. They also show storage in two frequency windows separated by 300 MHz, and a 630 MHz bandwidth comb with $5.0 \pm 0.3\%$ efficiency. The central forward-looking claim is a proposed 'commensurate intrinsic pumping' scheme that aligns spectral holes and anti-holes with comb peaks and valleys, which could extend memory bandwidth to the full inhomogeneous broadening, potentially exceeding 2 GHz with efficiency above 30%.

What carries the argument

The load-bearing object is the atomic frequency comb (AFC): a periodic absorption profile created by spectral hole burning, in which absorbed photons rephase after a storage time $1/\Delta$. Efficient combs are produced by adiabatic pumping with secant-hyperbolic amplitude and tangent-hyperbolic frequency chirp, and the efficiency is governed by Eq. (1), whose exponential and sinc factors make the finesse $F\approx 4.5$ near-optimal. For broadband operation, the 'intrinsic pumping' scheme transfers atoms between hyperfine levels so that holes and anti-holes themselves form the comb; the proposed commensurate version requires the Zeeman splittings $\Delta_e$ and $\Delta_g$ and the AFC spacing $\Delta$ to satisfy Eq. (3), i.e. all hole and anti-hole positions fall on the comb grid. The paper uses the measured splittings $\mu_e = 0.006$ MHz/G and $\mu_g = 0.0285$ MHz/G, with a ground/excited ratio of 4.75, to compute a mismatch map over magnetic field and storage time, showing that a field can be chosen for a given $\Delta$.

What would settle it

Measure the spectral hole and anti-hole positions of Tm3+:YAG as a function of magnetic field between 100 and 700 G and temperature between 1 and 4 K; if the ratio $\Delta_g/\Delta_e$ deviates from 4.75 by more than about 1%, or if the mismatch sum in Fig. 5(c) does not approach zero at the predicted field values (e.g. 630 G for 250 ns storage), the commensurate intrinsic pumping scheme fails. A more direct test is to attempt AFC storage at the predicted field and comb spacing: near-zero efficiency at the predicted operating point would disprove the claim that a field can always be chosen for a given storage time.

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Extended reading notes

Core claim

The central discovery is that careful spectral hole pumping in Tm3+:YAG yields record storage efficiency at elevated temperature without a cavity. Using six passes through a 0.1%-doped crystal to reach an effective optical density of about 12, and adiabatic secant-hyperbolic chirped pumping pulses to carve square atomic frequency combs, the authors store weak coherent pulses with measured efficiency $28.5 \pm 0.2\%$ for a comb period $\Delta = 6$ MHz, corresponding to a 30 MHz bandwidth and a 167 ns storage time at a wait time of 5 ms; the signal-to-noise ratio is about 270. The efficiency matches Eq. (1), $\eta = (d^2/F^2)\exp(-d/F)\mathrm{sinc}^2(\pi/F)\exp(-d_0)$, with finesse $F\approx4.5$ and background absorption $d_0\approx0.4$, predicting $30.4\%$. The same approach, with an EOM and etalon, prepares two AFCs separated by 300 MHz, storing single photons at about 3.5% and 4.3% efficiency, and intrinsic pumping at 370 G creates a 630 MHz bandwidth AFC with $5.0\pm0.3\%$ efficiency. The paper's proposed commensurate intrinsic pumping uses the Zeeman splittings $\Delta_g = 4.75\,\Delta_e$ and requires hole and anti-hole positions to coincide with AFC spacing under Eq. (3), with simulations showing a field can be chosen for any target storage time.

Load-bearing premise

The proposed broadband pumping scheme assumes that the Zeeman splittings of Tm3+:YAG scale strictly linearly with magnetic field with the measured rates $\mu_e = 0.006$ MHz/G and $\mu_g = 0.0285$ MHz/G, so that $\Delta_g/\Delta_e = 4.75$ and Eq. (3) can be met by choosing field and comb spacing; if the ratio drifts with field, site, or temperature, the matching condition and the accompanying efficiency projections fail.

Editorial extensions

If this is right

  • A no-cavity, free-space Tm3+:YAG AFC memory can reach $28.5\%$ efficiency at 30 MHz bandwidth at 3.5 K, close to the $30.4\%$ theoretical ceiling set by Eq. (1).
  • Multi-frequency-window AFC storage with 300 MHz separation is feasible, enabling spectrally multiplexed memories and frequency-bin encoding of qubits.
  • Intrinsic pumping can produce a 630 MHz bandwidth AFC with $5.0\%$ efficiency; the efficiency is currently limited by the short ground-state lifetime, not by the protocol.
  • If ground-state lifetimes are extended at lower temperatures, the same methods should give storage efficiencies near 40% for standard AFC and over 30% for intrinsic pumping at bandwidths up to 2 GHz.
  • The commensurate intrinsic pumping condition in Eq. (3) is a general recipe for non-Kramers rare-earth ions, so the bandwidth scaling should transfer to other hosts and dopants.

Reading between the lines

Editorial extensions of the paper, not claims the author makes directly.

  • If the linear-Zeeman ratio $\Delta_g/\Delta_e = 4.75$ holds beyond the measured fields, the commensurate pumping map implies an engineering rule: pick the magnetic field first to satisfy Eq. (3) for a desired storage time, then set comb spacing; this turns spectral hole positions into a tunable resource rather than a fixed defect.
  • A direct extension would be to test commensurate intrinsic pumping in a host with longer ground-state lifetime, such as Eu3+:YSO, where the predicted bandwidth-efficiency tradeoff could be verified at gigahertz spacing without the 10 ms fast-decay limitation seen in Tm:YAG.
  • The efficiency model in Eq. (1) suggests that combining six-pass geometry with impedance-matched cavities would trade bandwidth for efficiency, so the finesse and pass number should be jointly optimized; the paper does not pursue this joint optimization.
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Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, and a circularity audit.

Referee Report

3 major / 4 minor

Summary. The paper reports an atomic frequency comb (AFC) memory in a Tm3+:YAG crystal at 3.5 K, using tapered/adibatic pumping and six-pass beam routing to achieve a single-photon-level storage efficiency of 28.5±0.2% at a 30 MHz bandwidth. The authors also demonstrate two-frequency-window storage separated by 300 MHz with efficiencies around 3.5–4.3%, and a 630 MHz bandwidth AFC with 5.0±0.3% efficiency. In addition, they propose a 'commensurate intrinsic pumping' scheme intended to make holes and anti-holes coincide with AFC peaks and valleys, with a simulation showing that field strength and AFC spacing can be chosen to approximately match the level splittings. The central claims are the record-high efficiency without a cavity or dilution refrigerator and the proposed route to broader-bandwidth AFC memories.

Significance. If the measured efficiency and the theoretical analysis are correct, the 28.5±0.2% result at 3.5 K in a free-space, cavity-free geometry is a notable advance for rare-earth-ion solid-state quantum memories, especially combined with the systematic optimization of pumping pulses and the demonstration of 630 MHz bandwidth. The commensurate intrinsic pumping proposal, if validated, could point toward AFC memories with gigahertz-scale bandwidth and higher efficiency. The paper is clearly written and the experimental setup is described in enough detail for reproduction of the apparatus. However, the central theory–experiment agreement is not independently checkable from the information given: the parameters d, F, and d0 are stated without estimation procedures or uncertainties, and the numerical implementation of Eq. (1) appears inconsistent with the quoted parameters. The forward-looking proposal also rests on an unverified linear Zeeman assumption for a crystal that exhibits two ion classes. These issues make the paper interesting but currently not fully substantiated.

major comments (3)
  1. [Section III.A, Eq. (1)] The manuscript states that for Δ=6 MHz the finesse is F≈4.5, the background OD is d0≈0.4, and the theoretical storage efficiency is 30.4%. However, substituting these values together with the stated effective optical depth d≈12 (Section II) into Eq. (1) gives η=(12/4.5)² exp(-12/4.5) sinc²(π/4.5) exp(-0.4) ≈ 28.1%, not 30.4%. The authors should correct the numerical example or specify the exact values of d, F, and d0 used in the calculation; as written, the claimed agreement with the measured 28.5±0.2% is not reproducible.
  2. [Section III.A, Eq. (1)] The parameters d, F, and d0 are introduced without any description of how they are estimated or what uncertainties they carry. If they are extracted from the same tailored AFC spectrum that is used for the storage efficiency measurement, then the comparison with Eq. (1) is not an independent test of the model. Please state the measurement/estimation method for each quantity, report uncertainties, and propagate them into the theoretical efficiency. This is load-bearing for the central claim that the 28.5% result is consistent with the standard AFC model.
  3. [Section III.D, Eq. (3) and Fig. 5(c)] The commensurate intrinsic pumping proposal assumes that the Zeeman splittings scale strictly linearly with magnetic field with the single ratio Δg/Δe=4.75 from Ref. [26]. This ignores the fact that Section II reports two distinct ion classes in the same crystal, with excited-state splittings of 6 MHz and 27 MHz at 4500 G; the ratio is not 4.75 for the 6 MHz class. The mismatch simulation and the statement that 'we can always choose a field to reach a given storage time' are therefore not established for the actual sample. The authors should either provide experimental verification of the linear scaling and the relevant ratio for the class used in the proposal, or explicitly present the scheme as contingent on these assumptions and discuss how the second class affects the hole/anti-hole structure.
minor comments (4)
  1. [Fig. 5(c) caption] The caption reads 'The splitting are µe=0.006 MHz/G and µe=0.0285 MHz/G [26]'; the second coefficient should be µg, not µe.
  2. [Section III.D] The sentence 'the ground state splitting is 4.75 times of the excited state spitting' applies only to the ion class with 27 MHz excited-state splitting. Please qualify this statement to avoid ambiguity given the two classes reported in Section II.
  3. [Abstract] The phrase 'without compromising the memory bandwidth' in the abstract is ambiguous: the 28.5% efficiency is reported for a 30 MHz bandwidth, while the 630 MHz demonstration has an efficiency of 5.0±0.3%. Clarify in the abstract which bandwidth accompanies the 28.5% result.
  4. [Section III.C] The relation between the 9 MHz hole–anti-hole separation and the choice of AFC spacing Δ=18 MHz follows from Eq. (2) but is not explained; a brief sentence on the factor of two (Δ/2) would help readers unfamiliar with intrinsic pumping.

Circularity Check

0 steps flagged · score 2.0 of 10

No significant circularity: the headline efficiencies are direct measurements, the Eq. (1) comparison is a standard consistency check, and the proposed pumping scheme relies on external Zeeman coefficients from Ref. [26] rather than on parameters fitted to the paper's own results.

full rationale

The central claims are experimental: 28.5±0.2% efficiency at 30 MHz and 5.0±0.3% at 630 MHz are measured photon-counting results, not derived quantities. The agreement with Eq. (1) is a sanity check in which d, F, and d0 are estimated from the prepared comb spectrum; the measured efficiency is not used to set those parameters, so there is no reduction of the prediction to the fit. The commensurate intrinsic pumping proposal in Sec. III.D is explicitly a proposal based on the linear Zeeman coefficients μe=0.006 MHz/G and μg=0.0285 MHz/G from the external Ref. [26]; if those coefficients drift, the proposal weakens, but that is a correctness and extrapolation risk, not circularity. The only self-citations are contextual: Ref. [23] for prior algorithmic optimization and Ref. [30], a 'paper in preparation' by the same group, for a supporting statement about optimal finesse. Neither is load-bearing for the headline efficiency or for the proposed pumping scheme. No step in the paper is equivalent by construction to its inputs.

Assumptions & free parameters 5 free parameters · 4 assumptions · 0 invented entities

The experimental 28.5% result rests on standard AFC theory and on measured or optimized parameters (d, F, d0, pump sequence). The broadband proposal rests on the assumption that Tm:YAG Zeeman splittings are strictly linear with the published μ values and that the 4.75 ratio persists. No invented physical entities are needed.

free parameters (5)
  • Optical depth before pumping, d = ~12
    Effective OD with six-pass routing; entered into Eq. (1) to predict 30.4% efficiency.
  • Comb finesse, F = ~4.5 (Δ=6 MHz)
    Estimated from tailored spectrum; the paper does not state how F was inferred, so the theory-experiment agreement is partly self-referential.
  • Background absorption OD, d0 = ~0.4
    Estimated residual absorption after tailoring; enters Eq. (1) as exp(-d0).
  • Pump optimization parameters = Nl=600, t0=0.15 ms, Δp=4.2 MHz for Δ=6 MHz; Nl=300, t0=0.1 ms for multi-frequency and broadband
    Optimized experimentally to maximize efficiency; not derived.
  • Broadband AFC spacing, Δ = 18 MHz
    Chosen to match the 9 MHz hole/anti-hole separation at 370 G; determines storage time 55.6 ns.
assumptions (4)
  • domain assumption Standard AFC square-comb efficiency formula (Eq. 1) with sinc factor.
    Used to predict 30.4%; taken from Refs. [28,29], not derived.
  • domain assumption Zeeman splittings Δe,g = μe,g B with μe=0.006 MHz/G and μg=0.0285 MHz/G.
    From Ref. [26]; load-bearing for the commensurate intrinsic pumping simulation, Section III.D.
  • domain assumption Three holes and six anti-holes are produced for each pump frequency in a two-ground/two-excited-state non-Kramers ion.
    Physical model behind Eq. (3) and the bandwidth claims.
  • domain assumption Lower temperatures will increase ground-state lifetime above 500 ms and reduce spectral diffusion enough to realize the projected 40% efficiency and 2 GHz bandwidth.
    Used in Section IV for projections; not measured in this experiment.

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Cite this review

Pith. "Pith review of Efficient Pumping of Spectral Holes in a Tm$^{3+}$: YAG Crystal for Broadband Quantum Optical Storage." pith.science (2026). https://pith.science/paper/VLZUFOL4

@misc{pith2026241212379,
  author       = {Pith},
  title        = {Pith review of: Efficient Pumping of Spectral Holes in a Tm$^3+$: YAG Crystal for Broadband Quantum Optical Storage},
  year         = {2026},
  howpublished = {\url{https://pith.science/paper/VLZUFOL4}},
  note         = {Machine review of arXiv:2412.12379}
}
abstract

Quantum memory devices with high storage efficiency and bandwidth are essential elements for future quantum networks. Here, we report a storage efficiency greater than 28% in a Tm$^{3+}$: YAG crystal in elevated temperatures and without compromising the memory bandwidth. Using various pumping and optimization techniques, we demonstrate multi-frequency window storage with a high memory bandwidth of 630 MHz. Moreover, we propose a general method for large-bandwidth atomic-frequency memory with non-Kramers rare-earth-ion (REI) in solids enabling significantly higher storage efficiency and bandwidth. Our study advances the practical applications of quantum memory devices based on REI-doped crystals.

Figures

Figures reproduced from arXiv: 2412.12379 by the authors.

Figure 1
Figure 1. FIG. 1. (a) Experimental setup. Laser frequency locking was [PITH_FULL_IMAGE:figures/full_fig_p002_1.png] view at source ↗
Figure 2
Figure 2. FIG. 2. (a) Pumping sequence by sweeping the input RF frequen [PITH_FULL_IMAGE:figures/full_fig_p003_2.png] view at source ↗
Figure 3
Figure 3. FIG. 3. (a) Pumping sequence by sweeping the input RF frequen [PITH_FULL_IMAGE:figures/full_fig_p004_3.png] view at source ↗
Figures from the paper (2 more)
Figure 4
Figure 4. Figure 4: FIG. 4. (a) Pumping sequence by sweeping the input RF frequen [PITH_FULL_IMAGE:figures/full_fig_p004_4.png]
Figure 5
Figure 5. Figure 5: FIG. 5. (a) Spectral hole burning for Tm [PITH_FULL_IMAGE:figures/full_fig_p005_5.png]

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Works this paper leans on

34 extracted references · 25 canonical work pages

  1. [26]

    De Seze, A

    F. De Seze, A. Louchet, V. Crozatier, I. Lorg- eré, F. Bretenaker, J.-L. Le Gouët, O. Guillot- Noël, and P. Goldner, Experimental tailor- ing of a three-level λ system in tm 3+: Yag, Physical Review B—Condensed Matter and Materials Physics 73, 085112

    work page

  2. [1]

    H. J. Kimble, The quantum internet, Nature 453, 1023 (2008)

    2008

  3. [2]

    Wehner, D

    S. Wehner, D. Elkouss, and R. Hanson, Quan- tum internet: A vision for the road ahead, Science 362, eaam9288 (2018)

    2018

  4. [3]

    Briegel, W

    H.-J. Briegel, W. Dür, J. I. Cirac, and P. Zoller, Quantum repeaters: the role of imperfect lo- cal operations in quantum communication, Physical Review Letters 81, 5932 (1998)

    1998

  5. [4]

    L.-M. Duan, M. D. Lukin, J. I. Cirac, and P. Zoller, Long- distance quantum communication with atomic ensembles and linear optics, Nature 414, 413 (2001)

    2001

  6. [5]

    Simon, H

    C. Simon, H. De Riedmatten, M. Afzelius, N. San- gouard, H. Zbinden, and N. Gisin, Quantum repeaters with photon pair sources and multimode memories, Physical review letters 98, 190503 (2007)

    2007

  7. [6]

    Muralidharan, L

    S. Muralidharan, L. Li, J. Kim, N. Lütkenhaus, M. D. Lukin, and L. Jiang, Optimal architec- tures for long distance quantum communication, Scientific reports 6, 20463 (2016)

    work page 2016

  8. [7]

    Azuma, S

    K. Azuma, S. E. Economou, D. Elkouss, P. Hilaire, L. Jiang, H.-K. Lo, and I. Tzitrin, Quantum repeaters: From quantum networks to the quantum internet, Reviews of Modern Physics 95, 045006 (2023) . 7

    work page 2023

Show all 34 references
  1. [8]

    Y. Lei, F. K. Asadi, T. Zhong, A. Kuzmich, C. Simon, and M. Hosseini, Quantum optical memory for entangle- ment distribution, Optica 10, 1511 (2023)

    2023

  2. [9]

    Zhong, M

    M. Zhong, M. P. Hedges, R. L. Ahlefeldt, J. G. Bartholomew, S. E. Beavan, S. M. Wittig, J. J. Longdell, and M. J. Sellars, Optically addressable nu- clear spins in a solid with a six-hour coherence time, Nature 517, 177 (2015)

    2015

  3. [10]

    Z.-Q. Zhou, C. Liu, C.-F. Li, G.-C. Guo, D. Oblak, M. Lei, A. Faraon, M. Mazzera, and H. de Riedmatten, Photonic integrated quantum memory in rare-earth doped solids, Laser & Photonics Reviews 17, 2300257 (2023)

    2023

  4. [11]

    Bluvstein, S

    D. Bluvstein, S. J. Evered, A. A. Geim, S. H. Li, H. Zhou, T. Manovitz, S. Ebadi, M. Cain, M. Kalinowski, D. Hangleiter, et al., Logical quantum processor based on reconfigurable atom arrays, Nature 626, 58 (2024)

    2024

  5. [12]

    F. Gu, S. G. Menon, D. Maier, A. Das, T. Chakraborty, W. Tittel, H. Bernien, and J. Borregaard, Hy- brid quantum repeaters with ensemble-based quan- tum memories and single-spin photon transducers, arXiv preprint arXiv:2401.12395 (2024)

    2024

  6. [13]

    Chanelière, J

    T. Chanelière, J. Ruggiero, M. Bonarota, M. Afzelius, and J. Le Gouët, Efficient light stor- age in a crystal using an atomic frequency comb, New Journal of Physics 12, 023025 (2010)

    2010

  7. [14]

    J. H. Davidson, P. Lefebvre, J. Zhang, D. Oblak, and W. Tittel, Improved light-matter interaction for storage of quantum states of light in a thulium-doped crystal cavity, Physical Review A 101, 042333 (2020)

    2020

  8. [15]

    Sinclair, E

    N. Sinclair, E. Saglamyurek, H. Mallahzadeh, J. A. Slater, M. George, R. Ricken, M. P. Hedges, D. Oblak, C. Simon, W. Sohler, et al. , Spectral multiplexing for scalable quantum photonics using an atomic fre- quency comb quantum memory and feed-forward control, Physical review...

    2014

  9. [16]

    M. F. Askarani, J. H. Davidson, V. B. Verma, M. D. Shaw, S. W. Nam, T. Lutz, G. C. Amaral, D. Oblak, W. Tittel, et al. , Entanglement and nonlocality between disparate solid-state quantum memories mediated by photons, Physical Review Research 2, 013039 (2020)

    2020

  10. [17]

    C. W. Thiel, N. Sinclair, W. Tittel, and R. L. Cone, Tm materials for spectrally multiplexed quantum memories, Physical review letters 113, 160501 (2014)

    2014

  11. [18]

    M. F. Askarani, A. Das, J. H. Davidson, G. C. Ama- ral, N. Sinclair, J. A. Slater, S. Marzban, C. W. Thiel, R. L. Cone, D. Oblak, et al. , Long-lived solid- state optical memory for high-rate quantum repeaters, Physical review letters 127, 220502 (2021)

    2021

  12. [19]

    Dutta, Y

    S. Dutta, Y. Zhao, U. Saha, D. Farfurnik, E. A. Goldschmidt, and E. Waks, An atomic frequency comb memory in rare-earth-doped thin-film lithium niobate, ACS Photonics 10, 1104 (2023)

    2023

  13. [20]

    Y. Zhao, D. Renaud, D. Farfurnik, Y. Jiang, S. Dutta, N. Sinclair, M. Lončar, and E. Waks, Cavity-enhanced narrowband spectral filters using rare-earth ions doped in thin-film lithium niobate, npj Nanophotonics 1, 22 (2024)

    2024

  14. [21]

    D. Pak, A. Nandi, M. Titze, E. S. Bielejec, H. Alaeian, and M. Hosseini, Long-range cooperative resonances in rare-earth ion arrays inside photonic resonators, Communications Physics 5, 89 (2022)

    2022

  15. [22]

    Louchet, J

    A. Louchet, J. S. Habib, V. Crozatier, I. Lorgeré, F. Goldfarb, F. Bretenaker, J.-L. Le Gouët, O. Guillot- Noël, and P. Goldner, Branching ratio measurement of a λ system in tm 3+: Yag under a magnetic field, Physical Review B 75, 035131 (2007)

    2007

  16. [23]

    Y. Lei, H. An, Z. Li, and M. Hosseini, Algorith- mic optimization of quantum optical storage in solids, Physical Review Research 6, 033153 (2024)

    2024

  17. [24]

    E. D. Black, An introduction to pound– drever–hall laser frequency stabilization, American journal of physics 69, 79 (2001)

    2001

  18. [25]

    Sinclair, D

    N. Sinclair, D. Oblak, E. Saglamyurek, R. L. Cone, C. W. Thiel, and W. Tittel, Optical co- herence and energy-level properties of a tm 3+- doped li nb o 3 waveguide at subkelvin temperatures, Physical Review B 103, 134105 (2021)

    2021

  19. [27]

    Afzelius, C

    M. Afzelius, C. Simon, H. De Riedmatten, and N. Gisin, Multimode quantum memory based on atomic frequency combs, Physical Review A 79, 052329 (2009)

    2009

  20. [28]

    Bonarota, J

    M. Bonarota, J. Ruggiero, J.-L. Le Gouët, and T. Chanelière, Efficiency optimiza- tion for atomic frequency comb storage, Physical Review A 81, 033803 (2010)

    2010

  21. [29]

    Jobez, N

    P. Jobez, N. Timoney, C. Laplane, J. Etesse, A. Fer- rier, P. Goldner, N. Gisin, and M. Afzelius, Towards highly multimode optical quantum memory for quantum repeaters, Physical Review A 93, 032327 (2016)

    2016

  22. [30]

    , paper in preparation,

    Zongfeng Li, et al. , paper in preparation,

  23. [31]

    Yang, Z.-Q

    T.-S. Yang, Z.-Q. Zhou, Y.-L. Hua, X. Liu, Z.-F. Li, P.-Y. Li, Y. Ma, C. Liu, P.-J. Liang, X. Li, et al. , Multiplexed storage and real-time manipulation based on a multiple degree-of-freedom quantum memory, Nature communications 9, 3407 (2018)

    2018

  24. [32]

    Z. Li, Y. Lei, T. Kling, and M. Hosseini, Ef- ficient storage of multidimensional telecom photons in a solid-state quantum memory, arXiv preprint arXiv:2412.05480 (2024)

    2024 arXiv

  25. [33]

    Afzelius and C

    M. Afzelius and C. Simon, Impedance- matched cavity quantum memory, Physical Review A 82, 022310 (2010)

    2010

  26. [34]

    S. A. Moiseev, S. N. Andrianov, and F. F. Gubaidullin, Efficient multimode quantum memory based on photon echo in an optimal qed cavity, Physical review A 82, 022311 (2010)

    2010

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