pith. sign in

arxiv: 2605.27536 · v1 · pith:BV65BS2Jnew · submitted 2026-05-26 · ⚛️ physics.optics · cond-mat.mes-hall· quant-ph

Exceptional points in diamond optomechanics

Waleed El-Sayed , Elham Zohari , Joe Itoi , Peyman Parsa , Gustavo de Oliveira Luiz , Joseph E. Losby , Misa Hayashida , Marek Malac
show 1 more author
Paul E. Barclay
This is my paper

Pith reviewed 2026-06-29 15:23 UTC · model grok-4.3

classification ⚛️ physics.optics cond-mat.mes-hallquant-ph
keywords diamond optomechanicsexceptional pointsnon-Hermitian physicsmechanical resonatorsoptical cavityhybrid quantum systemsphonon lasing
0
0 comments X

The pith

Diamond optomechanical crystals reach an exceptional point where two mechanical modes coalesce with asymmetric damping redistribution.

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

The paper demonstrates that structural symmetry breaking in a diamond optomechanical crystal creates two distinct high-frequency mechanical resonances coupled to one optical cavity. These resonances can be tuned to an exceptional point where both their frequencies and mode shapes merge, and this occurs inside a stable regime below the phonon-lasing threshold. At the exceptional point the hybridized modes exhibit asymmetric redistribution of optomechanical damping and anti-damping. A reader would care because the same diamond platform already supports strain coupling to spin defects, so the result supplies a concrete route to non-Hermitian effects inside hybrid spin-phonon systems.

Core claim

In a diamond optomechanical crystal, structural symmetry breaking produces two high-frequency mechanical resonances that couple to a single optical cavity. By adjusting system parameters the eigenfrequencies and eigenvectors of the two modes coalesce at an exceptional point. This coalescence is reached inside a stable operating window below the phonon-lasing threshold. The experiment records an asymmetric redistribution of optomechanical damping and anti-damping between the resulting hybridized modes.

What carries the argument

Tuning two symmetry-broken mechanical resonances to coalescence at an exceptional point through their shared optomechanical coupling to one optical cavity.

If this is right

  • Chiral mode dynamics and topological state transfer become accessible in the mechanical degree of freedom.
  • Non-Hermitian optomechanics can be combined with existing strain-coupled spin defects in the same diamond platform.
  • Diamond optomechanical crystals are established as a working platform for multimode non-Hermitian physics.
  • Hybrid spin-phonon interfaces gain a route to topological mechanical dynamics.

Where Pith is reading between the lines

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

  • Symmetry-breaking designs for reaching exceptional points could be transferred to other material systems that host strong optomechanical coupling.
  • The observed asymmetric damping may be exploitable for directional mechanical amplification or isolation schemes.
  • Placing a spin defect at the exceptional point could allow tests of whether non-Hermitian topology protects or modifies spin-phonon interactions.

Load-bearing premise

Structural symmetry breaking in the diamond device creates two distinct mechanical resonances that remain tunable to coalescence while staying below the phonon-lasing threshold.

What would settle it

A measurement at the predicted coalescence point that shows symmetric rather than asymmetric damping redistribution, or that shows coalescence is impossible without crossing the phonon-lasing threshold, would falsify the central claim.

Figures

Figures reproduced from arXiv: 2605.27536 by Elham Zohari, Gustavo de Oliveira Luiz, Joe Itoi, Joseph E. Losby, Marek Malac, Misa Hayashida, Paul E. Barclay, Peyman Parsa, Waleed El-Sayed.

Figure 1
Figure 1. Figure 1: Exceptional points in multimode cavity optomechanics. (a) Fabry–Perot representation of a multimode optomechanical system, where two mechanical resonators with frequencies Ω1,2 modulate a common optical resonance ωc. (b) Coupling diagram for two mechanical modes ˆb1 and ˆb2 coupled to an optical mode ˆa with vacuum optomechanical coupling rates g1 and g2. The mechanical dissipation rates are γ1 and γ2, and… view at source ↗
Figure 2
Figure 2. Figure 2: Symmetry-mixed mechanical modes in a diamond optomechanical crystal. (a) Scanning electron micrograph of the fabricated diamond optomechanical crystal (OMC) nanobeam. (b,c) Schematic unit cell showing the sidewall angles θw and θh, which break vertical reflection symmetry. (d,e) Mode-composition diagrams showing a breathing￾like cavity unit-cell mode combined with a flexural-like mirror unit-cell mode. The… view at source ↗
Figure 3
Figure 3. Figure 3: Optomechanical tuning through the exceptional-point regime. (a) Mechanical power spectral density (PSD) versus laser detuning ∆ for three input powers P1, P2 and P3. Top row, measured spectra; bottom row, spectra calculated from the fitted two-mode model. White curves show the predicted eigenfrequencies Ω±. Increasing input power strengthens the optically mediated coupling, drawing the frequency branches t… view at source ↗
Figure 4
Figure 4. Figure 4: Branch-point topology of the mechanical exceptional point. (a) Measured real eigenfrequencies Ω± (markers) and fitted two-mode model surface versus laser detuning ∆ and input power Pin. The two frequency sheets approach and meet at the inferred EP (purple point). Beyond the EP, the continuously evolved eigenbranches reconnect onto the opposite frequency sheets, with the (±) labels following branch continui… view at source ↗
Figure 5
Figure 5. Figure 5: Stability of the exceptional-point trajectory. (a) Stability map of the complex cavity susceptibility χ = Re[χ]+iIm[χ] for the same experimentally extracted parameters in the main text, with |∆Ω|/2π = 6.9 MHz and ¯γ = 8.8 MHz . Shaded regions indicate the unstable regions where Im[Ω˜ ±] > 0. The white and purple dotted lines show where Re[Ω˜ +] = Re[Ω˜ −] and Im[Ω˜ +] = Im[Ω˜ −], respectively. Their inters… view at source ↗
Figure 6
Figure 6. Figure 6: Diamond optomechanical crystal design. (a) Nanobeam geometry in the xy-plane at z = 0, consisting of a periodic array of holes with lattice constant a and hole diameter d. The beam thickness and width are 530.2 nm and 557.0 nm, respectively. (b) The mirror-lattice dimensions (a = 531.9 nm, d = 319.1 nm) are linearly tapered to a defect lattice at the beam center (a = 452.1 nm, d = 271.3 nm), forming simult… view at source ↗
Figure 7
Figure 7. Figure 7: Experimental setup. Schematic of the ambient measurement setup to characterize the diamond optomechanical crystal. Light from a tunable C-band laser (TLS) is amplified by an erbium-doped fiber amplifier (EDFA). The input optical power is controlled using a variable optical attenuator (VOA). Beam splitters (BS) divert part of the light to power meters (PM) for monitoring. A fiber polarization controller (FP… view at source ↗
read the original abstract

Multimode cavity optomechanical systems allow light to couple otherwise non-interacting mechanical resonators, enabling non-Hermitian phenomena such as exceptional points, where eigenfrequencies and eigenvectors of coupled modes coalesce. Accessing an exceptional point and its nearby parameter space is a first step towards chiral mode dynamics and topological state transfer. Diamond optomechanical devices support strong coherent optomechanical coupling required to tune resonances to an exceptional point, as well as strain-coupling to spin-defects for hybrid quantum technologies, but have not yet been used for multimode non-Hermitian physics. Here we tune to an exceptional point in a diamond optomechanical crystal, which uses structural symmetry breaking to produce two high-frequency mechanical resonances coupled to an optical cavity. The exceptional point is reached within a stable operating window below the phonon-lasing threshold, and we observe asymmetric redistribution of optomechanical damping and anti-damping between hybridized modes. These results establish diamond optomechanical crystals as a platform for non-Hermitian optomechanics, opening routes to topological mechanical dynamics in hybrid spin-phonon interfaces.

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit. Tearing a paper down is the easy half of reading it; the pith above is the substance, this is the friction.

Referee Report

1 major / 0 minor

Summary. The manuscript reports an experimental demonstration in which structural symmetry breaking in a diamond optomechanical crystal produces two distinct high-frequency mechanical resonances that are coupled to a single optical cavity. The system is tuned to an exceptional point (eigenfrequency and eigenvector coalescence) within a stable operating window below the phonon-lasing threshold, with the observation of asymmetric redistribution of optomechanical damping and anti-damping between the hybridized modes. This is presented as establishing diamond optomechanical crystals as a platform for non-Hermitian optomechanics with potential for topological dynamics in hybrid spin-phonon systems.

Significance. If the central experimental claim holds, the work would provide the first demonstration of exceptional-point physics in diamond optomechanics, combining strong coherent coupling with access to spin defects. This could enable new routes to chiral mode dynamics and topological state transfer in hybrid quantum systems, extending non-Hermitian phenomena beyond existing platforms.

major comments (1)
  1. [Abstract] Abstract: The abstract states the observation of asymmetric redistribution at the exceptional point but provides no data, figures, error analysis, or detailed tuning procedure. This prevents verification that the measured behavior corresponds to eigenfrequency and eigenvector coalescence rather than a conventional avoided crossing or other effect.

Simulated Author's Rebuttal

1 responses · 0 unresolved

We thank the referee for their review of our manuscript. We address the single major comment below.

read point-by-point responses

  1. Referee: [Abstract] Abstract: The abstract states the observation of asymmetric redistribution at the exceptional point but provides no data, figures, error analysis, or detailed tuning procedure. This prevents verification that the measured behavior corresponds to eigenfrequency and eigenvector coalescence rather than a conventional avoided crossing or other effect.

    Authors: Abstracts are concise summaries by design and do not contain figures, raw data, or detailed procedures. The full manuscript provides the experimental tuning procedure to the exceptional point, measured spectra and eigenvector data demonstrating coalescence, the observed asymmetric redistribution of optomechanical damping rates between hybridized modes, and associated error analysis. These elements, presented in the results section with supporting figures, distinguish the exceptional-point behavior from an avoided crossing. revision: no

Circularity Check

0 steps flagged

No significant circularity in experimental report

full rationale

This paper is a direct experimental report of tuning to an exceptional point in a diamond optomechanical crystal and observing asymmetric damping redistribution. No derivations, equations, fitted parameters, or predictions are present that could reduce to inputs by construction. The central claims rest on measured device behavior within a stated stable operating window, with no self-citation load-bearing steps or ansatz smuggling. The result is self-contained against external benchmarks as an observation rather than a theoretical derivation.

Axiom & Free-Parameter Ledger

0 free parameters · 1 axioms · 0 invented entities

The work is experimental and relies on established optomechanical theory without introducing new free parameters, axioms beyond standard domain assumptions, or invented entities.

axioms (1)
  • domain assumption Standard multimode cavity optomechanics theory applies, allowing light to couple non-interacting mechanical resonators and produce exceptional points.
    The abstract invokes non-Hermitian phenomena and exceptional points as established concepts in optomechanics.

pith-pipeline@v0.9.1-grok · 5748 in / 1181 out tokens · 34014 ms · 2026-06-29T15:23:50.789237+00:00 · methodology

discussion (0)

Sign in with ORCID, Apple, or X to comment. Anyone can read and Pith papers without signing in.

Reference graph

Works this paper leans on

64 extracted references · 4 canonical work pages · 1 internal anchor

  1. [1]

    Xiang, S

    Z.-L. Xiang, S. Ashhab, J. Q. You, and F. Nori, Reviews of Modern Physics85, 623 (2013)

    2013

  2. [2]

    D. Lee, K. W. Lee, J. V. Cady, P. Ovartchaiyapong, and A. C. B. Jayich, Journal of Optics19, 33001 (2017)

    2017

  3. [3]

    Wang and I

    H. Wang and I. Lekavicius, Applied Physics Letters117, 230501 (2020)

    2020

  4. [4]

    Janitz, M

    E. Janitz, M. K. Bhaskar, and L. Childress, Optica7, 1232 (2020)

    2020

  5. [5]

    Barzanjeh, A

    S. Barzanjeh, A. Xuereb, S. Gr¨ oblacher, M. Paternostro, C. A. Regal, and E. M. Weig, Nature Physics18, 15 (2022)

    2022

  6. [6]

    W. P. Bowen and G. J. Milburn,Quantum Optomechan- ics(CRC Press, Boca Raton, FL, 2015)

    2015

  7. [7]

    Aspelmeyer, T

    M. Aspelmeyer, T. J. Kippenberg, and F. Marquardt, Reviews of Modern Physics86, 1391 (2014)

    2014

  8. [8]

    H. Xu, D. Mason, L. Jiang, and J. G. E. Harris, Nature 537, 80 (2016)

    2016

  9. [9]

    H. Xu, L. Jiang, A. A. Clerk, and J. G. E. Harris, Nature 568, 65 (2019). 8

    2019

  10. [10]

    H. Ren, T. Shah, H. Pfeifer, C. Brendel, V. Peano, F. Marquardt, and O. Painter, Nature Communications 13, 3476 (2022)

    2022

  11. [11]

    Guria, Q

    C. Guria, Q. Zhong, S. K. Ozdemir, Y. S. S. Patil, R. El- Ganainy, and J. G. E. Harris, Nature Communications 15, 1369 (2024)

    2024

  12. [12]

    D.-G. Lai, A. Miranowicz, and F. Nori, Physical Review Letters132, 243602 (2024)

    2024

  13. [13]

    del Pino, J

    J. del Pino, J. J. Slim, and E. Verhagen, Nature606, 82 (2022)

    2022

  14. [14]

    J. J. Slim, C. C. Wanjura, M. Brunelli, J. del Pino, A. Nunnenkamp, and E. Verhagen, Nature627, 767 (2024)

    2024

  15. [15]

    D. Lee, S. Lee, J. Park, S. Jang, C. Park, S. Choe, P. Ovartchaiyapong, A. C. Bleszynski Jayich, and D. Lee, APL Quantum2, 046107 (2025)

    2025

  16. [16]

    W. D. Heiss, Journal of Physics A: Mathematical and Theoretical45, 444016 (2012)

    2012

  17. [17]

    Miri and A

    M.-A. Miri and A. Al` u, Science363, eaar7709 (2019)

    2019

  18. [18]

    El-Ganainy, K

    R. El-Ganainy, K. G. Makris, M. Khajavikhan, Z. H. Musslimani, S. Rotter, and D. N. Christodoulides, Nature Physics14, 11 (2018)

    2018

  19. [19]

    Zhong, M

    Q. Zhong, M. Khajavikhan, D. N. Christodoulides, and et al., Nature Communications9, 4808 (2018)

    2018

  20. [20]

    Doppler, A

    J. Doppler, A. A. Mailybaev, J. B¨ ohm, U. Kuhl, A. Girschik, F. Libisch, T. J. Milburn, P. Rabl, N. Moi- seyev, and S. Rotter, Nature537, 76 (2016)

    2016

  21. [21]

    W. Mao, Z. Fu, Y. Li, F. Li, and L. Yang, Science Ad- vances10, eadl5037 (2024)

    2024

  22. [22]

    Kononchuk, J

    R. Kononchuk, J. Cai, F. Ellis, R. Thevamaran, and T. Kottos, Nature607, 697 (2022)

    2022

  23. [24]

    Q. Lin, J. Rosenberg, D. Chang, R. Camacho, M. Eichen- field, K. J. Vahala, and O. Painter, Nature Photonics4, 236 (2010)

    2010

  24. [26]

    P. K. Shandilya, S. Fl˚ agan, N. C. Carvalho, E. Zohari, V. K. Kavatamane, J. E. Losby, and P. E. Barclay, Jour- nal of Lightwave Technology40, 7538 (2022)

    2022

  25. [27]

    Teissier, A

    J. Teissier, A. Barfuss, P. Appel, E. Neu, and P. Maletinsky, Physical Review Letters113, 020503 (2014)

    2014

  26. [28]

    Ovartchaiyapong, K

    P. Ovartchaiyapong, K. W. Lee, B. A. Myers, and A. C. B. Jayich, Nature Communications5, 4429 (2014)

    2014

  27. [29]

    E. R. MacQuarrie, T. A. Gosavi, N. R. Jungwirth, S. A. Bhave, and G. D. Fuchs, Physical Review Letters111, 227602 (2013)

    2013

  28. [30]

    Maity, L

    S. Maity, L. Shao, S. Bogdanovi´ c, S. Meesala, Y.-I. Sohn, N. Sinclair, B. Pingault, M. Chalupnik, C. Chia, L. Zheng, K. Lai, and M. Lonˇ car, Nature Communica- tions11, 193 (2020)

    2020

  29. [31]

    G. Joe, C. Chia, B. Pingault, M. Haas, M. Chalup- nik, E. Cornell, K. Kuruma, B. Machielse, N. Sinclair, S. Meesala, and M. Lonˇ car, Nano Letters24, 6831 (2024)

    2024

  30. [32]

    H. Oh, V. Dharod, C. Padgett, L. B. Hughes, J. Venka- traman, S. Parthasarathy, E. Osipova, I. Hedgepeth, J. V. Cady, L. Basso, Y. Wang, M. Titze, E. S. Bielejec, A. M. Mounce, D. Bouwmeester, A. C. Bleszynski Jayich, et al., Optica13, 485 (2026)

    2026

  31. [34]

    T. J. Kippenberg, H. Rokhsari, T. Carmon, A. Scherer, and K. J. Vahala, Physical Review Letters95, 033901 (2005)

    2005

  32. [35]

    Rokhsari, T

    H. Rokhsari, T. J. Kippenberg, T. Carmon, and K. J. Vahala, Optics Express13, 5293 (2005)

    2005

  33. [36]

    A. G. Krause, J. T. Hill, M. Ludwig, A. H. Safavi-Naeini, J. Chan, F. Marquardt, and O. Painter, Physical Review Letters115, 233601 (2015)

    2015

  34. [37]

    X. Li, I. Lekavicius, J. Noeckel, and H. Wang, Nano Let- ters24, 10995 (2024)

    2024

  35. [38]

    J. P. Mathew, J. del Pino, and E. Verhagen, Nature Nan- otechnology15, 198 (2020)

    2020

  36. [39]

    P. K. Shandilya, V. K. Kavatamane, S. Fl˚ agan, D. P. Lake, D. Sukachev, and P. E. Barclay, Nonlinear opti- cal pumping to a diamond NV center dark state (2024), arXiv:2411.10638 [quant-ph]

    work page arXiv 2024

  37. [40]

    Lodde, R

    M. Lodde, R. P. J. van Veldhoven, E. Verhagen, and A. Fiore, Optical Materials Express14, 2321 (2024)

    2024

  38. [41]

    El-Sayed and S

    A.-W. El-Sayed and S. Hughes, Physical Review Research 2, 043290 (2020)

    2020

  39. [42]

    Moraes, G

    F. Moraes, G. H. M. de Aguiar, E. G. de Melo, G. S. Wiederhecker, and T. P. M. Alegre, J. Opt. Soc. Am. B 39, 2735 (2022). 9 Supplementary Information

    2022

  40. [43]

    [1–3]; the key steps are outlined below

    Derivation of the effective mechanical Hamiltonian The effective HamiltonianH eff governing the two coupled mechanical modes is derived following similar treatments in Refs. [1–3]; the key steps are outlined below. The optomechanical system consists of a single optical cavity mode ˆadispersively coupled to two mechanical modes, ˆb1 and ˆb2. In a frame rot...

  41. [44]

    Projected optomechanical coupling The right eigenvectors associated with ˜Ω± satisfyH effu(±) = ˜Ω±u(±), with normalization|u (±) 1 |2 +|u (±) 2 |2 = 1. Their components are u(±) 1 = 1p 1 +|r ±|2 , u (±) 2 = r±p 1 +|r ±|2 ,(19) with r± = ˜Ω± − ˜ΩOM 1 g1g2χ .(20) The overall complex phase ofu (±) is arbitrary and does not affect the projected couplings def...

  42. [45]

    Shaded regions indicate the unstable regions where Im[ ˜Ω±]>0

    Conditions for stable Exception Points Phonon lasing PEP -10 0 10 200 10 20 30 40 50 60 70 -10 0 10 20 -10 0 10 20 2 4 6 40 42 -Stable EP Decreasing Increasing Re (MHz-1) Re (MHz-1) Re (MHz-1) Im (MHz -1) a b c Accessible Figure 5.Stability of the exceptional-point trajectory.(a) Stability map of the complex cavity susceptibilityχ= Re[χ]+iIm[χ] for the sa...

  43. [46]

    + 1 2(g2 2 −g 2 1)∆γ >|2g 1g2 ∆Ω|,(32) which expresses the competition between the intrinsic mechanical damping, which stabilizes the blue-detuned system against phonon lasing, and the optically mediated coupling strength required to reach the EP. In the balanced limit g1 ≃g 2 and ∆γ≃0, the condition reduces to ¯γ >|∆Ω|, showing that stable EP access requ...

  44. [47]

    The hole sidewalls have an angle ofθ h = 2◦ while the beam’s outer walls have an angle of θw = 3 ◦

    Diamond optomechanical crystal design and simulation The diamond optomechanical crystal studied consists of a suspended nanobeam perforated by a one-dimensional lattice of circular holes. The hole sidewalls have an angle ofθ h = 2◦ while the beam’s outer walls have an angle of θw = 3 ◦. The lattice constant and hole diameter of nominal unit cell in the mi...

  45. [48]

    Nanofabrication and sidewall angle The fabrication of the diamond devices follows a quasi-isotropic inductively coupled plasma reactive ion etching (ICP-RIE) process described in detail elsewhere [10–12]. The sidewall angle is inherently introduced during the two sequential anisotropic etch steps—the Si3N4 hard mask etch (C4F8/SF6) and the directional dia...

  46. [49]

    Measurement Setup The experimental setup used to characterize the diamond OMC is shown in Fig. 7. Measurements were performed under ambient conditions using a dimpled fiber taper waveguide to evanescently couple light into and out of the optical cavity. Light from a widely tunable continuous-wave laser (Santec TSL-710, 1480–1640 nm) was amplified by an er...

  47. [50]

    The total cavity decay rateκ=κ i +κ ex consists of intrinsic and extrinsic loss channels

    Fitting experimental measurements The normalized optical transmission spectrum of the fiber taper waveguide evanescently coupled to the OMC nanobeam cavity can be described by [14, 15]: T(∆) = eiϕ − κex/2 κ/2−i∆ 2 ,(36) whereϕaccounts for Fano interference effects. The total cavity decay rateκ=κ i +κ ex consists of intrinsic and extrinsic loss channels. T...

  48. [51]

    Mechanical thermal effects In addition to the thermo-optic effect, we also observe a thermal shift in the intrinsic mechanical frequencies due to laser-induced absorption. In our analytical fitting of the power-dependent mechanical frequency trajectories, we approximate the heating induced shift to the intrinsic frequencies Ω j (forj= 1,2) of the two mech...

  49. [52]

    A. B. Shkarin, N. E. Flowers-Jacobs, S. W. Hoch, A. D. Kashkanova, C. Deutsch, J. Reichel, and J. G. E. Harris, Physical Review Letters112, 013602 (2014)

    2014

  50. [53]

    H. Xu, D. Mason, L. Jiang, and J. G. E. Harris, Nature537, 80 (2016)

    2016

  51. [54]

    N. Wu, K. Cui, Q. Xu, X. Feng, F. Liu, W. Zhang, and Y. Huang, Science Advances9, eabp8892 (2023)

    2023

  52. [55]

    J. Chan, A. H. Safavi-Naeini, J. T. Hill, S. Meenehan, and O. Painter, Applied Physics Letters101, 081115 (2012)

    2012

  53. [56]

    El-Sayed and S

    A.-W. El-Sayed and S. Hughes, Physical Review Research2, 043290 (2020)

    2020

  54. [57]

    Eichenfield, J

    M. Eichenfield, J. Chan, A. H. Safavi-Naeini, K. J. Vahala, and O. Painter, Optics Express17, 20078 (2009)

    2009

  55. [58]

    Moraes, G

    F. Moraes, G. H. M. de Aguiar, E. G. de Melo, G. S. Wiederhecker, and T. P. M. Alegre, J. Opt. Soc. Am. B39, 2735 (2022)

    2022

  56. [59]

    Raniwala, P

    H. Raniwala, P. Anand, S. Krastanov, M. Eichenfield, M. Trusheim, and D. R. Englund, npj Quantum Information11, 120 (2025)

    2025

  57. [60]

    G. Joe, M. Haas, K. Kuruma, and et al., Nature 10.1038/s41586-026-10495-7 (2026)

    work page doi:10.1038/s41586-026-10495-7 2026

  58. [61]

    Surpassing the en- ergy resolution limit with ferromagnetic torque sensors,

    B. Khanaliloo, H. Jayakumar, A. C. Hryciw, D. P. Lake, H. Kaviani, and P. E. Barclay, Physical Review X5, 10.1103/Phys- RevX.5.041051 (2015). 17

    work page doi:10.1103/phys- 2015

  59. [62]

    Mitchell, D

    M. Mitchell, D. P. Lake, and P. E. Barclay, APL Photonics4, 016101 (2019)

    2019

  60. [63]

    Zohari, J

    E. Zohari, J. E. Losby, W. El-Sayed, P. Behjat, G. de Oliveira Luiz, J. P. Davis, and P. E. Barclay, in2022 IEEE Photonics Conference (IPC)(IEEE, 2022) pp. 1–2

    2022

  61. [64]

    M. J. Burek, J. D. Cohen, S. M. Meenehan, and et al., Optica3, 1404 (2016)

    2016

  62. [65]

    Mitchell,Coherent Cavity Optomechanics in Wide-Band Gap Materials, Doctoral thesis, University of Calgary, Calgary, Alberta, Canada (2019)

    M. Mitchell,Coherent Cavity Optomechanics in Wide-Band Gap Materials, Doctoral thesis, University of Calgary, Calgary, Alberta, Canada (2019)

    2019

  63. [66]

    J. Itoi, E. Zohari, N. J. Sorensen, W. El-Sayed, J. E. Losby, G. O. Luiz, S. Fl˚ agan, and P. E. Barclay, Non-volatile photorefractive tuning and green light generation in a diamond cavity (2025), arXiv:2507.19583 [physics.optics]

    work page internal anchor Pith review Pith/arXiv arXiv 2025

  64. [67]

    M. L. Gorodetsky, A. Schliesser, G. Anetsberger, S. Deleglise, and T. J. Kippenberg, Optics Express18, 23236 (2010)

    2010