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REVIEW 4 major objections 5 minor 38 references

Thermally excited guided modes in a planar SiO2-covered silicon cavity reach the far field by diffracting at the aperture, yielding a spectrally sharp emissivity enhancement of up to 200% at 8.5 µm.

Reviewed by Pith at T0; open to challenge. T0 means a machine referee read the full paper against a public rubric. the ladder, T0–T4 →

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Planar Si cavities coated with SiO2 emit up to 200% more mid-infrared radiation than flat surfaces, an effect attributed to thermally excited guided modes coupling to the far field.

T0 review reviewed 2026-08-05 challenge →

load-bearing objection A clean experimental result undermined by an over-interpreted simulation and an overstated novelty claim; the 8.5 µm peak is real, but its TEGM attribution needs control calculations. the 4 major comments →

arxiv 2608.03621 v1 pith:VC3PYGEX submitted 2026-08-04 cond-mat.mes-hall

Enhancement of far-field thermal emission via polaritonic cavity modes

Maelie Coral , Jose Ordonez-Miranda , Georges Hamaoui , Roman Anufriev , Laurent Jalabert , Masahiro Nomura , Yannick De Wilde , Sebastian Volz This is my paper
classification cond-mat.mes-hall MSC 78A4578A4080A21 PACS 44.40.+a71.36.+c
keywords far-field thermal radiationsurface phonon-polaritonsthermally excited guided modes (TEGMs)emissivity enhancementplanar cavitiesfluctuational electrodynamicsmid-infrared emission
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved

The pith

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

The reading

The paper sets out to prove that thermally excited guided modes (TEGMs), hybrid modes formed when surface phonon-polaritons couple across the two walls of a planar cavity, can escape into the far field through diffraction at the cavity aperture, and that this outcoupling is strong enough to show up as a spectrally selective enhancement of thermal emissivity. The authors measure hemispherical mid-infrared emissivity of silicon cavities with and without a 60-nm SiO2 layer and find that only the SiO2-covered cavities show a sharp extra peak at 8.5 µm, where emissivity jumps from 0.15 on the flat surface to 0.50 in the cavity, an enhancement of up to 200% inside the surface-phonon-polariton resonance window. Fluctuational-electrodynamics simulations reproduce the signature: the cavity channels energy along the gap, the aperture diffracts it into a finite angular range, and a near-aperture peak at 8.8 µm splits into a far-field doublet at 7.9 and 8.4 µm matching the measured peak. If correct, the result matters because it turns a simple etched cavity, made with standard DRIE and thermal oxidation, into a scalable spectral and angular knob for thermal radiation, with applications in thermophotovoltaics, radiative cooling, sensing, and camouflage.

Core claim

The central discovery, stated on the paper's own terms, is that a planar cavity transforms two-dimensionally confined polaritonic modes into controllable three-dimensional thermal emission: TEGMs, formed by the coupling of surface phonon-polaritons on the SiO2 walls with the guided modes of the cavity, are diffracted at the aperture and become radiative channels observable in the far field. The experimental evidence is an emissivity peak at 8.5 µm rising from 0.15 to 0.50, about a 200% enhancement, that appears only when both the cavity geometry and the SiO2 layer are present and that falls inside the SPhP spectral window, whereas bare silicon cavities show only a broadband geometric enhance

What carries the argument

The central object is the thermally excited guided mode (TEGM): a hybrid mode formed when surface phonon-polaritons hosted by the SiO2/vacuum interfaces couple to the guided modes of the planar cavity, with the cavity gap thickness D tuning the coupling regime from near-field SPhP coupling to guided propagation. The far-field conversion mechanism is aperture diffraction, whose main lobe is defined by the grating condition a sinθ = λ for the 20-µm-wide aperture. The analysis tool is the cavity-induced Poynting vector ΔP = P(cav) − P(lw) − P(rw), computed with a boundary-element fluctuational-electrodynamics solver, which subtracts the fluxes of the isolated walls to isolate the mode hybridiza

Load-bearing premise

The argument's load-bearing premise is that the 'cavity-induced' flux, the full two-wall cavity flux minus the fluxes of the two isolated walls, cleanly isolates guided-mode emission, even though the flux is quadratic in the fields and the difference also contains interference and multiple-scattering terms.

What would settle it

Two checks would settle the claim. First, compute the raw, unsubtracted far-field flux of the full SiO2 cavity: if the 8.5 µm feature disappears without the single-wall subtraction, the TEGM identification is an artifact of the flux difference. Second, measure angle-resolved emissivity: the TEGM channel should be confined to the diffraction lobe a sinθ = λ of the 20 µm aperture, so an emissivity peak that stays pinned at normal incidence regardless of wavelength would contradict the diffraction mechanism.

Watch this falsifier. Get emailed when new claim-graph text bears on it.

If this is right

  • SiO2-covered silicon cavities deliver a spectrally narrow emissivity enhancement of up to 200% at 8.5 µm, so selective mid-infrared emission can be engineered with simple etching and thermal oxidation rather than nanoscale patterning.
  • The TEGM channel is inherently off-normal: it is visible in hemispherical or angled measurements but absent at specular normal incidence, so characterisation protocols and device layouts must target the diffracted lobe.
  • Because the SPhP resonance fixes the spectral window and the gap D fixes the coupling regime, the position and line shape of the emissivity peak are tunable by material choice and cavity geometry.
  • Cavity-based emitters of this kind are direct candidates for thermophotovoltaic sources, passive radiative cooling surfaces in the 8–13 µm atmospheric window, infrared sensing, and camouflage.
  • The same aperture-diffraction mechanism should operate for any polar dielectric with SPhP resonances such as SiC, transferring the scheme to other infrared bands.

Where Pith is reading between the lines

These are editorial extensions of the paper, not claims the author makes directly.

  • Because the diffraction angle obeys a sinθ = λ, the angular spread of the emitted channel is a geometric dial the paper does not directly test: wider apertures should sharpen the emission lobe and narrower apertures broaden it, enabling grating-free directional control.
  • By Kirchhoff's law the measured emissivity peak implies an equally strong absorption peak at the same wavelength, so the same cavity should also act as a spectrally selective absorber, the property that matters if it is placed in front of a thermophotovoltaic cell.
  • The near-aperture single peak at 8.8 µm evolving into a far-field doublet at 7.9 and 8.4 µm suggests the far-field spectrum encodes the cavity's near-field mode structure; a measurement series versus distance could recover TEGM dispersion without near-field probes.
  • The identification rests on the flux difference ΔP; a decisive check is whether the raw, unsubtracted far-field flux of the full cavity also peaks near 8.5 µm, since a peak that only exists in the difference could be an interference artifact rather than guided-mode emission.
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Editorial analysis

A structured set of objections, weighed in public.

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

Referee Report

4 major / 5 minor

Summary. The paper reports room-temperature hemispherical emissivity measurements and SCUFF-EM fluctuational-electrodynamics simulations for deep silicon cavities coated with a 60-nm SiO2 layer. The experiments show that, compared with flat SiO2-covered Si, the cavity adds a spectral peak near 8.5 μm, raising the emissivity from about 0.15 to 0.50, while bare Si cavities show only a broadband enhancement. The simulations define a 'cavity-induced Poynting vector' ΔP = P(cav) − P(lw) − P(rw) and find a diffracted spectral feature near 8.8 μm at short distance that evolves into a doublet at 7.9/8.4 μm in the far field. The authors interpret this as the diffraction-mediated outcoupling of thermally excited guided modes (TEGMs) and claim that the simulation confirms the experimental peak.

Significance. If the interpretation were established, the work would provide an important, fabrication-simple route to spectrally selective mid-infrared thermal emission and would constitute direct far-field evidence for TEGMs. The experimental observation—a reproducible narrow emissivity peak that appears only when both the cavity and the SiO2 layer are present—is interesting and potentially significant. The use of a first-principles numerical method (SCUFF-EM) with no fitted material parameters is a strength, as is the direct comparison between measurements and an independent simulation. However, the quantitative support for the central claim is not yet sufficient: the spectral match is loose, the subtraction underlying the simulated signature is not uniquely tied to guided modes, and the observation window involves free parameters. The central idea is defensible, but the present evidence does not yet justify the strong conclusion.

major comments (4)
  1. [§Methods, Eq. (2), Fig. 5] The definition ΔP = P(cav) − P(lw) − P(rw) is asserted to isolate the 'mode hybridization intrinsic to the cavity configuration.' In fluctuational electrodynamics, the thermal currents in the two walls are uncorrelated, so the subtraction does not remove an interference term; it removes the single-wall emission but retains the modification of each wall's emission caused by the presence of the other wall. This residual contains (i) SPhP hybridization across the gap, (ii) vertical Fabry–Pérot/mirror effects that would occur even without any lateral guided mode, and (iii) aperture diffraction and edge scattering. No control calculation distinguishes these contributions, and no modal decomposition (for example, projecting the field onto guided-mode wavevectors) is provided. The identification of the 8.5 μm feature as a TEGM signature therefore rests on an unproven interpretation of Eq. (2).
  2. [§Discussion, Fig. 4] The simulated far-field spectrum for SiO2 cavities is a doublet at 7.9 and 8.4 μm, while the measured emissivity shows a single peak at 8.5 μm. The text states this 'closely matches' and 'confirms' the experimental result, but the spectral lineshape differs qualitatively. In addition, the simulation models the 60-nm SiO2 film on Si as bulk SiO2 walls (Methods) on the grounds that SPhP fields decay over ~50 nm. This approximation ignores the finite-film dispersion shift and the Si substrate's role in the cavity response. The mismatch between simulated and measured peak positions and shapes is a load-bearing quantitative inconsistency that must be addressed before the simulation can be said to confirm the experimental attribution.
  3. [§Discussion, Fig. 4; Methods] The averaged flux is computed over a window L = a + 2d tanθ, with d and θ chosen freely. The grating equation a sinθ = λ selects θ only for a given λ, and the two distances d = 10 μm and 100 μm are not justified from the experimental geometry. The resulting spectra depend strongly on these choices, as the paper itself shows by the change from a single peak at d = 10 μm to a doublet at d = 100 μm. No quantitative comparison between the simulated ΔPy and the measured emissivity (e.g., an absolute units conversion, a peak-position criterion, or a spectral correlation metric) is made. The claimed 'spectral correspondence' is therefore not robust.
  4. [§Results, 'Spatial Distribution of the Cavity-Induced Energy Density'; Fig. 3] The simulations model a single two-wall cavity, whereas the fabricated sample is a periodic array of many parallel cavities. Far-field diffraction from a periodic array can produce additional interference maxima and different angular distributions than a single aperture. The manuscript does not discuss whether the measured hemispherical emissivity, which collects signal from the entire array, is comparable to the single-cavity simulated flux. This is a further gap between the model and the experiment that is not addressed.
minor comments (5)
  1. [Fig. 5 caption] The caption refers to 'P_y' rather than 'ΔP_y' for the maps that are defined as differences in Eq. (2). Please correct for consistency.
  2. [Author contributions] The contributions list 'J. W.' as a supervisor, but no J. W. appears in the author list. This should be corrected or clarified.
  3. [Eq. (1)] Equation (1) omits the frequency integration scale; the notation ΔΘb(u) and ω0 is not fully defined in the main text. A brief explanation of the normalization would improve reproducibility.
  4. [Supplementary material] The text repeatedly refers to SM Figs. S1–S5, but the supplementary material is not included with the arXiv preprint. Please ensure the SM is available and that the key data (e.g., the SPhP existence range of Fig. S2) are summarized in the main text.
  5. [Abstract and text] The phrase 'enhance the emissivity by up to 200%' is based on a single wavelength point (0.15 → 0.50); the percentage increase is ~230% and the relevant spectral bandwidth is not quantified. A clearer statement of the integrated or peak enhancement would be helpful.

Circularity Check

0 steps flagged

No significant circularity: the central claims are supported by parameter-free fluctuational electrodynamics simulations and direct emissivity measurements, with author self-citations serving only as background motivation.

full rationale

The paper's derivation chain is self-contained with respect to its main claim. The experimental emissivity enhancement at 8.5 µm is a direct measurement, and the SCUFF-EM simulations are first-principles fluctuational electrodynamics calculations with no fitted parameters tuned to reproduce the measured peak. The cavity-induced Poynting vector ΔP defined in Methods Eq. (2) is a modeling decomposition, not a fitted input; while the subtraction may not uniquely isolate TEGMs from other cavity effects, that is a question of physical attribution rather than circularity. The authors' prior work (ref. 29) is cited to motivate the existence and dispersion of TEGMs and to identify the SPhP spectral window, but the present experiments and simulations independently test the far-field consequence of those modes. The deliberate use of the grating equation and the observation window L = a + 2d tanθ is a physically reasoned choice, not an a posteriori fit, and the simulated doublet at 7.9/8.4 µm is presented as approximate correspondence rather than exact reproduction. No equation reduces to its own input, and no fitted parameter is renamed as a prediction. The self-citations are not load-bearing for the empirical result.

Axiom & Free-Parameter Ledger

1 free parameters · 5 axioms · 0 invented entities

The paper's quantitative conclusions rest on the SCUFF-EM simulation, which uses material optical constants from the literature and geometry choices that are approximations (bulk SiO2, smooth walls). The analysis window is chosen by hand. No new entities or fitted material parameters are introduced.

free parameters (1)
  • Diffraction window parameters θ and d = θ = 30°, d = 10 and 100 µm
    The spectrally resolved cavity-induced Poynting vector is averaged over the window L = a + 2d tan θ. TEGM signatures appear only for the diffracted component at θ = 30° and d = 100 µm; the normal component (θ = 0) is featureless. These values are chosen by hand and affect the reported spectral features.
axioms (5)
  • domain assumption Kirchhoff's law of thermal radiation (emissivity = absorptivity) at each wavelength and direction
    Used to extract emissivity from measurements of reflectance and transmittance in the Methods section.
  • domain assumption Fluctuational electrodynamics framework and SCUFF-EM boundary element implementation
    Used for all simulations; the solver's correctness is taken from the cited literature.
  • domain assumption The 60-nm SiO2 layer on Si can be modeled as bulk SiO2 because SPhPs decay within ~50 nm
    Stated in the Results section; this approximation underpins the simulated geometry and the resulting spectral positions.
  • domain assumption Sidewall roughness (100-400 nm RMS) is negligible because it is much smaller than the SPhP wavelength (8-10 µm)
    Used to justify smooth-wall simulations; roughness is only an order of magnitude smaller than the wavelength, so validity is not guaranteed.
  • ad hoc to paper The difference ΔP = P(cav) - P(lw) - P(rw) isolates cavity-hybridization effects
    Defined in Eq. (2); the Poynting vector is quadratic in the fields, so the linear subtraction mixes interference and multiple-scattering terms with guided-mode contributions.

reviewed 2026-08-05 · how reviews work

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Cite this review

Pith. "Pith review of Enhancement of far-field thermal emission via polaritonic cavity modes." pith.science (2026). https://pith.science/paper/VC3PYGEX

@misc{pith2026260803621,
  author       = {Pith},
  title        = {Pith review of: Enhancement of far-field thermal emission via polaritonic cavity modes},
  year         = {2026},
  howpublished = {\url{https://pith.science/paper/VC3PYGEX}},
  note         = {Machine review of arXiv:2608.03621}
}
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read the original abstract

Controlling thermal emission is crucial for applications involving thermophotovoltaics, thermal sensing, imaging, and camouflage. While prior studies focused on the emission of thermally excited guided modes (TEGMs) inside cavities, their contribution to the far-field radiation outside cavities has remained unexplored. Here, we demonstrate a tunable far-field thermal channel enabled by TEGMs arising from the coupling of surface phonon-polaritons and cavity resonances. By combining infrared emissivity experiments with fluctuational electrodynamics simulations, we identify distinct spectral features marking the conversion of two-dimensionally confined polaritonic modes into three-dimensional radiative channels. We find that silicon cavities covered with SiO2 enhance the emissivity by up to 200% near the polaritonic spectral resonance, whereas bare silicon cavities yield only broadband enhancement. These findings provide experimental evidence of TEGMs and establish a simple cavity architecture as an effective and scalable platform for tailoring thermal radiation without complex nanofabrication.

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Reference graph

Works this paper leans on

38 extracted references · 30 canonical work pages · 1 internal anchor

  1. [1]

    Blakiston’s Son & Co., Philadelphia, 1914)

    Planck, M.The Theory of Heat Radiation(P. Blakiston’s Son & Co., Philadelphia, 1914)

    work page 1914

  2. [2]

    On the relationship between the emissivity and the absorptivity of bodies for heat and light.Ann

    Kirchhoff, G. On the relationship between the emissivity and the absorptivity of bodies for heat and light.Ann. Phys.185, 275–301 (1860). URL https://onlinelibrary.wiley.com/doi/abs/10. 1002/andp.18601850205

    work page

  3. [3]

    F.Radiative Heat Transfer3 edn (Academic Press, Oxford, UK, 2013)

    Modest, M. F.Radiative Heat Transfer3 edn (Academic Press, Oxford, UK, 2013)

    work page 2013

  4. [4]

    Basu, S., Zhang, Z. M. & Fu, C. J. Review of near-field thermal radiation and its application to energy conversion.Int. J. Energy Res.33, 1203–1215 (2009). URL https://doi.org/10.1002/er. 1607

    work page doi:10.1002/er 2009

  5. [5]

    Chen, Y.-B.et al.Transparent planar indium tin oxide for a thermo-photovoltaic selective emitter.Opt. Mater. Express10, 2330–2341 (2020). URL https://doi.org/10.1364/OME.397246

    work page doi:10.1364/ome.397246 2020

  6. [6]

    Appl.12, 226 (2023)

    Lee, M.et al.Photonic structures in radiative cooling.Light Sci. Appl.12, 226 (2023). URL https://doi.org/10.1038/s41377-023-01119-0

    work page doi:10.1038/s41377-023-01119-0 2023

  7. [7]

    URL https://doi.org/10.1038/416061a

    Greffet, J.-J.et al.Coherent emission of light by thermal sources.Nature416, 61–64 (2002). URL https://doi.org/10.1038/416061a

    doi:10.1038/416061a 2002

  8. [8]

    Cuevas, J. C. & Garc ´ ıa-Vidal, F. J. Radiative heat transfer.ACS Photonics5, 3896–3915 (2018). URL https://doi.org/10.1021/acsphotonics.8b01031

    doi:10.1021/acsphotonics.8b01031 2018

  9. [9]

    S.et al.Localized thermal emission from topological interfaces.Science384, 1122–1126 (2024)

    Ergoktas, M. S.et al.Localized thermal emission from topological interfaces.Science384, 1122–1126 (2024). URL https://www.science.org/doi/abs/10.1126/science.ado0534

    doi:10.1126/science.ado0534 2024

  10. [10]

    P., Anoma, M

    Raman, A. P., Anoma, M. A., Zhu, L., Rephaeli, E. & Fan, S. Passive radiative cooling below ambient air temperature under direct sunlight.Nature515, 540–544 (2014). URL https://doi. org/10.1038/nature13883. 8

    doi:10.1038/nature13883 2014

  11. [11]

    Nanotechnol.9, 126–130 (2014)

    Lenert, A.et al.A nanophotonic solar thermophotovoltaic device.Nat. Nanotechnol.9, 126–130 (2014). URL https://doi.org/10.1038/nnano.2013.286

    work page doi:10.1038/nnano.2013.286 2014

  12. [12]

    A.et al.Plasmonics for extreme light concentration and manipulation.Nat

    Schuller, J. A.et al.Plasmonics for extreme light concentration and manipulation.Nat. Mater. 9, 193–204 (2010). URL https://doi.org/10.1038/nmat2630

    doi:10.1038/nmat2630 2010

  13. [15]

    Adv.6, eabb4461 (2020)

    Wu, Y.et al.Enhanced thermal conduction by surface phonon-polaritons.Sci. Adv.6, eabb4461 (2020). URL https://www.science.org/doi/abs/10.1126/sciadv.abb4461

    work page doi:10.1126/sciadv.abb4461 2020

  14. [16]

    D.et al.Sub-diffractional volume-confined polaritons in the natural hyperbolic material hexagonal boron nitride.Nat

    Caldwell, J. D.et al.Sub-diffractional volume-confined polaritons in the natural hyperbolic material hexagonal boron nitride.Nat. Commun.5, 5221 (2014). URL https://doi.org/10.1038/ ncomms6221

    work page 2014

  15. [17]

    & Carminati, R

    Greffet, J.-J. & Carminati, R. Image formation in near-field optics.Prog. Surf. Sci.56, 133–237 (1997). URL https://www.sciencedirect.com/science/article/pii/S0079681698000045

    work page 1997

  16. [18]

    I., Sajuyigbe, S., Mock, J

    Landy, N. I., Sajuyigbe, S., Mock, J. J., Smith, D. R. & Padilla, W. J. Perfect metamate- rial absorber.Phys. Rev. Lett.100, 207402 (2008). URL https://link.aps.org/doi/10.1103/ PhysRevLett.100.207402

    work page 2008

  17. [19]

    & Jacob, Z

    Bharadwaj, S. & Jacob, Z. Thermal radiation with a twist.Science386, 1348–1349 (2024). URL https://www.science.org/doi/abs/10.1126/science.adu2323

    work page doi:10.1126/science.adu2323 2024

  18. [20]

    & Raman, A

    Xu, J., Mandal, J. & Raman, A. P. Broadband directional control of thermal emission.Science 372, 393–397 (2021). URL https://www.science.org/doi/abs/10.1126/science.abc5381

    work page doi:10.1126/science.abc5381 2021

  19. [21]

    Costantini, D.et al.Plasmonic metasurface for directional and frequency-selective ther- mal emission.Phys. Rev. Appl.4, 014023 (2015). URL https://link.aps.org/doi/10.1103/ PhysRevApplied.4.014023

    work page 2015

  20. [22]

    Liu, X.et al.Taming the blackbody with infrared metamaterials as selective thermal emitters. Phys. Rev. Lett.107, 045901 (2011). URL https://link.aps.org/doi/10.1103/PhysRevLett.107. 045901

    doi:10.1103/physrevlett.107 2011

  21. [23]

    Chen, G.et al.Surface phonon activation for broadband high emissivity via textured structure on tio2 coating.Appl. Surf. Sci.673, 160818 (2024). URL https://www.sciencedirect.com/ science/article/pii/S0169433224015319

    work page 2024

  22. [24]

    Energy231, 120877 (2024)

    Ren, Y.et al.Tunable broadband absorbers with ultra-high thermal emissivity for the mxene/ti- based metamaterial.Renew. Energy231, 120877 (2024). URL https://www.sciencedirect.com/ science/article/pii/S0960148124009455

    work page 2024

  23. [25]

    M.Theory of Electrical Fluctuations(Academy of Sciences Press, Moscow, 1953)

    Rytov, S. M.Theory of Electrical Fluctuations(Academy of Sciences Press, Moscow, 1953)

    work page 1953

  24. [26]

    W., Reid, M

    Rodriguez, A. W., Reid, M. T. H. & Johnson, S. G. Fluctuating-surface-current formulation of radiative heat transfer: Theory and applications.Phys. Rev. B88, 054305 (2013). URL https://link.aps.org/doi/10.1103/PhysRevB.88.054305

    work page doi:10.1103/physrevb.88.054305 2013

  25. [27]

    & Hane, K

    Sai, H., Yugami, H., Akiyama, Y., Kanamori, Y. & Hane, K. Spectral control of thermal emission by periodic microstructured surfaces in the near-infrared region.J. Opt. Soc. Am. A18, 1471– 1476 (2001). URL https://opg.optica.org/josaa/abstract.cfm?URI=josaa-18-7-1471. 9

    work page 2001

  26. [28]

    G.et al.Nanophotonic engineering of far-field thermal emitters.Nat

    Baranov, D. G.et al.Nanophotonic engineering of far-field thermal emitters.Nat. Mater.18, 920–930 (2019). URL https://doi.org/10.1038/s41563-019-0363-y

    work page doi:10.1038/s41563-019-0363-y 2019

  27. [29]

    & Ordonez-Miranda, J

    Volz, S., Nomura, M. & Ordonez-Miranda, J. Resonant polariton thermal transport along a vacuum gap.Phys. Rev. Appl.18, L051003 (2022). URL https://link.aps.org/doi/10.1103/ PhysRevApplied.18.L051003

    work page 2022

  28. [30]

    Francoeur, M., Meng¨ u¸ c, M. P. & Vaillon, R. Near-field radiative heat transfer enhancement via surface phonon polaritons coupling in thin films.Appl. Phys. Lett.93, 043109 (2008). URL https://doi.org/10.1063/1.2963195

    work page doi:10.1063/1.2963195 2008

  29. [31]

    Tachikawa, S.et al.Enhanced far-field thermal radiation through a polaritonic waveguide.Phys. Rev. Lett.132, 186904 (2024). URL https://link.aps.org/doi/10.1103/PhysRevLett.132.186904

    work page doi:10.1103/physrevlett.132.186904 2024

  30. [32]

    Guillemot, V.et al.Nonmonotonic radiative heat transfer in the transition from far field to near field.Phys. Rev. Lett.134, 193801 (2025). URL https://link.aps.org/doi/10.1103/PhysRevLett. 134.193801

    doi:10.1103/physrevlett 2025

  31. [33]

    Reid, M. T. H.et al.Photon torpedoes and rytov pinwheels: Integral-equation modeling of non-equilibrium fluctuation-induced forces and torques on nanoparticles.arXiv preprint arXiv:1708.01985(2017). URL https://arxiv.org/abs/1708.01985

    work page internal anchor Pith review Pith/arXiv arXiv 2017

  32. [34]

    L., Merchiers, O

    Nguyen, K. L., Merchiers, O. & Chapuis, P.-O. Near-field radiative heat transfer in scanning thermal microscopy computed with the boundary element method.J. Quant. Spectrosc. Radiat. Transf.202, 154–167 (2017). URL https://doi.org/10.1016/j.jqsrt.2017.07.021

    doi:10.1016/j.jqsrt.2017.07.021 2017

  33. [35]

    Tachikawa, S.et al.In-plane surface phonon-polariton thermal conduction in dielectric multilayer systems.Appl. Phys. Lett.121, 202202 (2022). URL https://doi.org/10.1063/5.0117081

    work page doi:10.1063/5.0117081 2022

  34. [36]

    Energy 191, 662–668 (2022)

    Zhao, B.et al.Radiative cooling of solar cells with micro-grating photonic cooler.Renew. Energy 191, 662–668 (2022). URL https://doi.org/10.1016/j.renene.2022.04.063

    work page doi:10.1016/j.renene.2022.04.063 2022

  35. [37]

    Matter 292, 286–295 (2000)

    Kovacevic, B.et al.Vibrational modes in amorphous silicon dioxide.Physica B: Condens. Matter 292, 286–295 (2000). URL https://doi.org/10.1016/S0921-4526(00)00475-0

    work page doi:10.1016/s0921-4526(00)00475-0 2000

  36. [38]

    Mater.31, 2873 (2019)

    Hayashi, K.et al.Optimization of surface treatment on mems probes for single-cell capture and release.Sens. Mater.31, 2873 (2019). URL https://doi.org/10.18494/SAM.2019.2322

    work page arXiv 2019

  37. [39]

    Fu, J.et al.Improving sidewall roughness by combined rie-bosch process.Mat. Sci. Semi- cond. Process.83, 186–191 (2018). URL https://www.sciencedirect.com/science/article/pii/ S1369800118305419

    work page 2018

  38. [40]

    & Wolf, E.Principles of Optics: Electromagnetic Theory of Propagation, Interference and Diffraction of Light7 edn (Cambridge University Press, 1999)

    Born, M. & Wolf, E.Principles of Optics: Electromagnetic Theory of Propagation, Interference and Diffraction of Light7 edn (Cambridge University Press, 1999). Acknowledgements We acknowledge the valuable support of Byunggi Kim, Yu-Bin Chen, Hao-Yu Kang, and Elissa Akiki for carrying out some preliminary measurements. This work was supported by the CREST J...

    work page 1999

This paper was first reviewed by deepseek-v4-flash on August 5, 2026.