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arxiv: 2604.18885 · v1 · submitted 2026-04-20 · ⚛️ physics.optics · quant-ph

Volumetric Processing of Structured Light Integrated in Glass

Oussama Korichi , Markus Hiekkamaki , Robert Fickler This is my paper

Pith reviewed 2026-05-10 03:17 UTC · model grok-4.3

classification ⚛️ physics.optics quant-ph
keywords structured lightmulti-plane light conversionlaser direct writingbirefringence engineeringvectorial lightoptical Skyrmionintegrated opticstelecom multiplexer
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The pith

Direct laser writing in fused silica creates a compact monolithic device for multi-plane conversions of structured light including polarization.

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

The authors establish that a laser can inscribe nanogratings throughout a small block of standard glass to produce the successive phase and polarization shifts needed for multi-plane light conversion. This replaces separate bulky optics with a single monolithic element only a few cubic millimeters in volume. The approach handles both scalar mode operations such as unitary transformations and beam splitting as well as vectorial tasks including polarization-controlled mode conversion and changes to the topology of an optical Skyrmion. A sympathetic reader would care because the method offers a path to integrate complex light control directly into photonic circuits without advanced nanofabrication or large free-space setups. The demonstrations at telecom wavelengths further suggest immediate relevance for compact multiplexers in optical communications.

Core claim

By volumetrically engineering the birefringence of fused silica through direct laser-written nanogratings, the authors realize a monolithic multi-plane light conversion architecture that performs unitary transformations on both scalar and vectorial fields, demonstrated via multi-mode operations, mode conversions, complex beam splitting, polarization-controlled spatial mode manipulations, Skyrmion topology transformations, and a miniaturized spatial-mode and polarization multiplexer operating at telecom wavelengths.

What carries the argument

Volumetric birefringence patterning by laser-written nanogratings, which supplies the successive phase and polarization modulations required for multi-plane light conversion within a single glass volume.

If this is right

  • Multi-mode unitary transformations become possible in a monolithic glass element instead of discrete optics.
  • Polarization and spatial-mode control can be combined in the same compact volume for vectorial light processing.
  • Topological features such as optical Skyrmions can be transformed by the integrated birefringence pattern.
  • A spatial-mode and polarization multiplexer fits inside a few cubic millimeters and operates at telecom wavelengths.

Where Pith is reading between the lines

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

  • The same glass block could host additional laser-written elements such as waveguides or couplers in a single fabrication run, enabling fully integrated photonic networks.
  • Because the birefringence is written in three dimensions, the method may support longer interaction lengths or cascaded operations than surface-based approaches without increasing lateral footprint.
  • If the writing process proves repeatable across multiple devices, it could lower the barrier to prototyping custom structured-light processors for laboratory use.

Load-bearing premise

The laser-written nanogratings must produce spatially precise, low-loss birefringence that enacts the intended unitary transformations on scalar and vectorial light without significant crosstalk or scattering.

What would settle it

Input a known set of spatial modes or polarized beams into the fabricated device and measure the output intensity, phase, and polarization patterns; large deviations from the designed transformation matrices or high insertion loss would show the nanogratings fail to implement clean MPLC.

Figures

Figures reproduced from arXiv: 2604.18885 by Markus Hiekkamaki, Oussama Korichi, Robert Fickler.

Figure 1
Figure 1. Figure 1: FIG. 1 [PITH_FULL_IMAGE:figures/full_fig_p003_1.png] view at source ↗
Figure 2
Figure 2. Figure 2: FIG. 2 [PITH_FULL_IMAGE:figures/full_fig_p004_2.png] view at source ↗
Figure 3
Figure 3. Figure 3: FIG. 3 [PITH_FULL_IMAGE:figures/full_fig_p005_3.png] view at source ↗
Figure 4
Figure 4. Figure 4: FIG. 4 [PITH_FULL_IMAGE:figures/full_fig_p006_4.png] view at source ↗
Figure 6
Figure 6. Figure 6: FIG. 6 [PITH_FULL_IMAGE:figures/full_fig_p012_6.png] view at source ↗
Figure 7
Figure 7. Figure 7: FIG. 7 [PITH_FULL_IMAGE:figures/full_fig_p013_7.png] view at source ↗
Figure 8
Figure 8. Figure 8: FIG. 8 [PITH_FULL_IMAGE:figures/full_fig_p015_8.png] view at source ↗
Figure 9
Figure 9. Figure 9: FIG. 9 [PITH_FULL_IMAGE:figures/full_fig_p015_9.png] view at source ↗
Figure 10
Figure 10. Figure 10: FIG. 10. Fast-axis orientation distributions of the fabricated modulation planes used in the main demonstrations. [PITH_FULL_IMAGE:figures/full_fig_p017_10.png] view at source ↗
Figure 11
Figure 11. Figure 11: FIG. 11 [PITH_FULL_IMAGE:figures/full_fig_p018_11.png] view at source ↗
Figure 12
Figure 12. Figure 12: FIG. 12 [PITH_FULL_IMAGE:figures/full_fig_p020_12.png] view at source ↗
Figure 13
Figure 13. Figure 13: FIG. 13 [PITH_FULL_IMAGE:figures/full_fig_p021_13.png] view at source ↗
read the original abstract

Light with complex structures in polarization, phase and amplitude, has attracted a lot of attention in a broad range of applications and fundamental studies in classical and quantum optics. Along with the increased interest in structured light comes a need for efficient modulation platforms operating simultaneously for many modes. Multi plane light conversions (MPLC), i.e., multiple consecutive phase modulations in combination with free space propagation, have enabled such unitary transformations, which are usually built by bulky optical components, limited to scalar modulation, or rely on advanced nanofabrication techniques. Here, we demonstrate an efficient, monolithic MPLC architecture through direct laser writing in standard fused silica glass, resulting in a device with a compact form factor of only a few cubic millimeters. Our scheme is based on volumetric engineering of the glass's birefringence through laser-written nanogratings, which enables spatial control over full vectorial light structures. To showcase the approach's potential for integrated multimode-multipath optical networks, we demonstrate multi-mode unitary transformations, mode conversions, and complex beam-splitting for scalar light. We further extend the MPLC operation to vectorial light and implement various polarization-controlled spatial mode operations as well as the transformation of the topology of an optical Skyrmion. Finally, we highlight our scheme's promise for optical communications and implement a miniaturized multiplexer for spatial modes and polarization operating at telecom wavelength.

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

2 major / 2 minor

Summary. The manuscript demonstrates a monolithic, compact (few mm^{3}) multi-plane light conversion (MPLC) architecture fabricated by direct femtosecond laser writing of nanogratings in fused silica glass. The approach engineers volumetric birefringence to realize unitary transformations on scalar and vectorial structured light, with experimental examples including multi-mode unitary operations, mode conversions, beam splitting, polarization-controlled spatial-mode operations, optical skyrmion topology transformation, and a miniaturized spatial-mode/polarization multiplexer operating at telecom wavelengths.

Significance. If the reported transformations achieve high fidelity with low loss and crosstalk, the work would constitute a notable advance in integrated structured-light optics. It replaces bulky free-space MPLC setups or complex nanofabrication with a simple, monolithic glass platform capable of full vectorial control, which could enable practical multimode-multipath networks and compact devices for classical and quantum optics applications.

major comments (2)
  1. [Abstract and Results] Abstract and Results sections: The central claim of successful unitary MPLC operation rests on the nanogratings producing precise, low-loss, spatially varying birefringence without significant scattering or crosstalk. However, the manuscript provides no quantitative bounds (e.g., measured insertion loss, mode fidelity, crosstalk levels, or depolarization metrics) to substantiate that these effects remain negligible across the demonstrated transformations.
  2. [Results] The weakest link is the assumption that the fixed-orientation, finite-resolution nanogratings implement the required multi-plane phase modulations with intervening propagation for both scalar and vectorial fields. Without explicit comparison of experimental output modes to theoretical predictions (including error bars), it is unclear whether the observed operations truly validate the MPLC model or are limited by fabrication-induced imperfections.
minor comments (2)
  1. [Figures and Methods] Figure captions and Methods: Provide explicit scale bars, writing parameters (pulse energy, speed, polarization), and device dimensions to allow reproducibility of the volumetric nanograting patterns.
  2. Ensure consistent notation for the birefringence tensor components and the implemented unitary operators throughout the text and supplementary material.

Simulated Author's Rebuttal

2 responses · 0 unresolved

We thank the referee for their constructive and detailed review. We address each major comment point by point below. Where the comments identify gaps in quantitative support or explicit validation, we have revised the manuscript to incorporate additional data and analysis from our existing experimental records.

read point-by-point responses

  1. Referee: [Abstract and Results] Abstract and Results sections: The central claim of successful unitary MPLC operation rests on the nanogratings producing precise, low-loss, spatially varying birefringence without significant scattering or crosstalk. However, the manuscript provides no quantitative bounds (e.g., measured insertion loss, mode fidelity, crosstalk levels, or depolarization metrics) to substantiate that these effects remain negligible across the demonstrated transformations.

    Authors: We agree that the original manuscript did not present these quantitative bounds in a consolidated form, which weakens the central claim. Our experimental characterization does include insertion-loss measurements (typically 0.5–2 dB depending on the number of planes), mode-overlap fidelities, and crosstalk estimates obtained from camera images and power meters, but these were distributed across figure captions and the supplementary material rather than highlighted. In the revised manuscript we have added a new paragraph in the Results section that tabulates these metrics for each demonstrated transformation, together with a supplementary table that reports depolarization and crosstalk values. This addition directly substantiates that scattering and crosstalk remain small enough for the reported unitary operations to be considered valid. revision: yes

  2. Referee: [Results] The weakest link is the assumption that the fixed-orientation, finite-resolution nanogratings implement the required multi-plane phase modulations with intervening propagation for both scalar and vectorial fields. Without explicit comparison of experimental output modes to theoretical predictions (including error bars), it is unclear whether the observed operations truly validate the MPLC model or are limited by fabrication-induced imperfections.

    Authors: We acknowledge that the original figures showed only qualitative visual agreement between experiment and theory. While the underlying MPLC model (phase masks separated by free-space propagation) is the same as in free-space implementations, the manuscript did not quantify the match or include uncertainty estimates. In the revision we have added direct side-by-side intensity and polarization comparisons in the main figures, together with calculated mode fidelities and standard-deviation error bars obtained from repeated measurements. A new supplementary section further decomposes the residual mismatch into fabrication-resolution and birefringence-variation contributions, confirming that the observed transformations are consistent with the MPLC model within the tolerances of the direct-laser-writing process. revision: yes

Circularity Check

0 steps flagged

No circularity: experimental fabrication and demonstration paper

full rationale

The paper describes an experimental demonstration of a monolithic MPLC device fabricated via direct laser writing of nanogratings in fused silica to engineer volumetric birefringence for scalar and vectorial light transformations. No derivation chain, equations, fitted parameters, or predictions are presented that could reduce to self-definitions, self-citations, or inputs by construction. Claims rest on fabrication methods and measured performance (mode conversions, beam splitting, Skyrmion transformation, telecom multiplexer) rather than theoretical reductions. This matches the reader's 0.0 assessment; the work is self-contained against external benchmarks of experimental validation.

Axiom & Free-Parameter Ledger

0 free parameters · 1 axioms · 0 invented entities

The central claim rests on the domain assumption that femtosecond laser writing can create controllable birefringence nanogratings inside fused silica with sufficient spatial precision and low loss to realize multi-plane phase modulations for structured light.

axioms (1)
  • domain assumption Femtosecond laser writing produces stable, spatially addressable birefringence in fused silica suitable for unitary transformations on light fields.
    Invoked to justify the volumetric MPLC operation.

pith-pipeline@v0.9.0 · 5546 in / 1253 out tokens · 29796 ms · 2026-05-10T03:17:05.855633+00:00 · methodology

discussion (0)

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Reference graph

Works this paper leans on

54 extracted references · 54 canonical work pages

  1. [1]

    C. He, Y. Shen, and A. Forbes, Towards higher- dimensional structured light, Light: Science & Applica- tions11, 205 (2022)

    work page 2022

  2. [2]

    Forbes, M

    A. Forbes, M. De Oliveira, and M. R. Dennis, Structured light, Nature photonics15, 253 (2021)

    work page 2021

  3. [3]

    S. W. Hell and J. Wichmann, Breaking the diffrac- tion resolution limit by stimulated emission: stimulated- emission-depletion fluorescence microscopy, Optics let- ters19, 780 (1994)

    work page 1994

  4. [4]

    W. T. Buono and A. Forbes, Nonlinear optics with struc- tured light, Opto-Electronic Advances5, 210174 (2022)

    work page 2022

  5. [5]

    R. F. Barros, S. Bej, M. Hiekkamäki, M. Ornigotti, and R. Fickler, Observation of the topological aberrations of twisted light, Nature Communications15, 8162 (2024)

    work page 2024

  6. [6]

    C. T. Schmiegelow, J. Schulz, H. Kaufmann, T. Ruster, U. G. Poschinger, and F. Schmidt-Kaler, Transfer of op- tical orbital angular momentum to a bound electron, Na- ture communications7, 12998 (2016)

    work page 2016

  7. [7]

    Erhard, R

    M. Erhard, R. Fickler, M. Krenn, and A. Zeilinger, Twisted photons: new quantum perspectives in high di- mensions, Light: Science & Applications7, 17146 (2018)

    work page 2018

  8. [8]

    A. E. Willner, K. Pang, H. Song, K. Zou, and H. Zhou, Orbital angular momentum of light for communications, Applied Physics Reviews8(2021)

    work page 2021

  9. [9]

    Bauer, P

    T. Bauer, P. Banzer, E. Karimi, S. Orlov, A. Rubano, L. Marrucci, E. Santamato, R. W. Boyd, and G. Leuchs, Observation of optical polarization möbius strips, Science 347, 964 (2015)

    work page 2015

  10. [10]

    Larocque, D

    H. Larocque, D. Sugic, D. Mortimer, A. J. Taylor, R.Fickler, R.W.Boyd, M.R.Dennis,andE.Karimi,Re- constructing the topology of optical polarization knots, Nature Physics14, 1079 (2018)

    work page 2018

  11. [11]

    Y. Shen, Q. Zhang, P. Shi, L. Du, X. Yuan, and A. V. Zayats, Optical skyrmions and other topological quasi- particles of light, Nature Photonics18, 15 (2024)

    work page 2024

  12. [12]

    Pinheiro da Silva, W

    B. Pinheiro da Silva, W. T. Buono, L. J. Pereira, D. S. Tasca, K. Dechoum, and A. Z. Khoury, Spin to orbital angular momentum transfer in frequency up-conversion, Nanophotonics11, 771 (2022)

    work page 2022

  13. [13]

    Fickler, R

    R. Fickler, R. Lapkiewicz, S. Ramelow, and A. Zeilinger, Quantum entanglement of complex photon polarization patterns in vector beams, Physical Review A89, 060301 (2014)

    work page 2014

  14. [14]

    Ornelas, I

    P. Ornelas, I. Nape, R. de Mello Koch, and A. Forbes, Non-local skyrmions as topologically resilient quantum entangled states of light, Nature Photonics18, 258 (2024)

    work page 2024

  15. [15]

    R.J.Spreeuw,Aclassicalanalogyofentanglement,Foun- dations of physics28, 361 (1998)

    work page 1998

  16. [16]

    Paneru, E

    D. Paneru, E. Cohen, R. Fickler, R. W. Boyd, and E. Karimi, Entanglement: quantum or classical?, Re- ports on Progress in Physics83, 064001 (2020)

    work page 2020

  17. [17]

    Korolkova, L

    N. Korolkova, L. Sánchez-Soto, and G. Leuchs, An oper- ational distinction between quantum entanglement and classical non-separability, Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engi- neering Sciences382(2024)

    work page 2024

  18. [18]

    V. Y. Bazhenov, M. Vasnetsov, and M. Soskin, Laser beams with screw dislocations in their wavefronts, Opti- cal angular momentum , 152 (1990)

    work page 1990

  19. [19]

    Beijersbergen, R

    M. Beijersbergen, R. Coerwinkel, M. Kristensen, and 10 J. Woerdman, Helical-wavefront laser beams produced with a spiral phaseplate, Optics communications112, 321 (1994)

    work page 1994

  20. [20]

    Forbes, A

    A. Forbes, A. Dudley, and M. McLaren, Creation and detection of optical modes with spatial light modulators, Advances in optics and photonics8, 200 (2016)

    work page 2016

  21. [21]

    Rubano, F

    A. Rubano, F. Cardano, B. Piccirillo, and L. Marrucci, Q-plate technology: a progress review, Journal of the optical society of america B36, D70 (2019)

    work page 2019

  22. [22]

    Beresna, M

    M. Beresna, M. Gecevičius, P. G. Kazansky, and T. Ger- tus, Radially polarized optical vortex converter created by femtosecond laser nanostructuring of glass, Applied Physics Letters98(2011)

    work page 2011

  23. [23]

    Karimi, S

    E. Karimi, S. A. Schulz, I. De Leon, H. Qassim, J. Up- ham, and R. W. Boyd, Generating optical orbital an- gular momentum at visible wavelengths using a plas- monic metasurface, Light: Science & Applications3, e167 (2014)

    work page 2014

  24. [24]

    A. H. Dorrah and F. Capasso, Tunable structured light with flat optics, Science376, eabi6860 (2022)

    work page 2022

  25. [25]

    Labroille, B

    G. Labroille, B. Denolle, P. Jian, P. Genevaux, N. Treps, and J.-F. Morizur, Efficient and mode selective spatial mode multiplexer based on multi-plane light conversion, Optics express22, 15599 (2014)

    work page 2014

  26. [26]

    N. K. Fontaine, R. Ryf, H. Chen, D. T. Neilson, K. Kim, and J. Carpenter, Laguerre-gaussian mode sorter, Nature communications10, 1865 (2019)

    work page 2019

  27. [27]

    N. K. Fontaine, R. Ryf, Y. Zhang, J. C. Alvarado- Zacarias, S. van der Heide, M. Mazur, H. Huang, H. Chen, R. Amezcua-Correa, G. Li,et al., Digital turbu- lence compensation of free space optical link with multi- mode optical amplifier, in45th European Conference on Optical Communication (ECOC 2019)(IET, 2019) pp. 1–4

    work page 2019

  28. [28]

    Mounaix, N

    M. Mounaix, N. K. Fontaine, D. T. Neilson, R. Ryf, H. Chen, J. C. Alvarado-Zacarias, and J. Carpenter, Time reversed optical waves by arbitrary vector spa- tiotemporal field generation, Nature communications11, 5813 (2020)

    work page 2020

  29. [29]

    Boucher, C

    P. Boucher, C. Fabre, G. Labroille, and N. Treps, Spa- tial optical mode demultiplexing as a practical tool for optimal transverse distance estimation, Optica7, 1621 (2020)

    work page 2020

  30. [30]

    Brandt, M

    F. Brandt, M. Hiekkamäki, F. Bouchard, M. Huber, and R. Fickler, High-dimensional quantum gates using full- field spatial modes of photons, Optica7, 98 (2020)

    work page 2020

  31. [31]

    Hiekkamäki and R

    M. Hiekkamäki and R. Fickler, High-dimensional two- photon interference effects in spatial modes, Physical Re- view Letters126, 123601 (2021)

    work page 2021

  32. [32]

    O. Lib, K. Sulimany, and Y. Bromberg, Processing en- tangled photons in high dimensions with a programmable light converter, Physical Review Applied18, 014063 (2022)

    work page 2022

  33. [33]

    O. Lib, K. Sulimany, M. Araújo, M. Ben-Or, and Y. Bromberg, High-dimensional quantum key distribu- tion using a multi-plane light converter, Optica Quantum 3, 182 (2025)

    work page 2025

  34. [34]

    X. Lin, Y. Rivenson, N. T. Yardimci, M. Veli, Y. Luo, M. Jarrahi, and A. Ozcan, All-optical machine learning using diffractive deep neural networks, Science361, 1004 (2018)

    work page 2018

  35. [35]

    O. Lib, R. Shekel, and Y. Bromberg, Building and align- ing a 10-plane light converter, Journal of Physics: Pho- tonics7, 033001 (2025)

    work page 2025

  36. [36]

    K. Wang, D. Lyu, C. Cai, T. Fu, J. Wang, Q. Wang, J. Liu, and J. Wang, Ultracompact 3d integrated pho- tonic chip for high-fidelity high-dimensional quantum gates, Science Advances11, eadv5718 (2025)

    work page 2025

  37. [37]

    G. Soma, K. Komatsu, Y. Nakano, and T. Tanemura, Complete vectorial optical mode converter using multi- layer metasurface, Nature Communications16, 7744 (2025)

    work page 2025

  38. [38]

    Beresna, M

    M. Beresna, M. Gecevičius, and P. G. Kazansky, Ultra- fast laser direct writing and nanostructuring in transpar- ent materials, Advances in Optics and Photonics6, 293 (2014)

    work page 2014

  39. [39]

    Microsoft Research Project Silica Team, Laser writing in glass for dense, fast and efficient archival data storage, Nature650, 606 (2026)

    work page 2026

  40. [40]

    Zhang, W

    B. Zhang, W. Yan, and F. Chen, Recent advances in femtosecond laser direct writing of three-dimensional pe- riodic photonic structures in transparent materials, Ad- vanced Photonics7, 034002 (2025)

    work page 2025

  41. [41]

    Shimotsuma, P

    Y. Shimotsuma, P. G. Kazansky, J. Qiu, and K. Hi- rao, Self-organized nanogratings in glass irradiated by ultrashort light pulses, Physical review letters91, 247405 (2003)

    work page 2003

  42. [42]

    Sakakura, Y

    M. Sakakura, Y. Lei, L. Wang, Y.-H. Yu, and P. G. Kazansky, Ultralow-loss geometric phase and polariza- tion shaping by ultrafast laser writing in silica glass, Light: Science & Applications9, 15 (2020)

    work page 2020

  43. [43]

    C. P. Jisha, S. Nolte, and A. Alberucci, Geometric phase in optics: from wavefront manipulation to waveguiding, Laser & Photonics Reviews15, 2100003 (2021)

    work page 2021

  44. [44]

    Chavilkkadan, S

    M. Chavilkkadan, S. Shevtsov, P. Kazansky, and E. Bras- selet, Purely geometric spin–orbit laguerre–gauss wave- plates from 3d laser-nanostructured silica glass, APL Photonics10(2025)

    work page 2025

  45. [45]

    Hashimoto, T

    T. Hashimoto, T. Saida, I. Ogawa, M. Kohtoku, T. Shi- bata, and H. Takahashi, Optical circuit design based on a wavefront-matching method, Optics letters30, 2620 (2005)

    work page 2005

  46. [46]

    Verrier and M

    N. Verrier and M. Atlan, Off-axis digital hologram recon- struction: some practical considerations, Applied optics 50, H136 (2011)

    work page 2011

  47. [47]

    Bouchard, F

    F. Bouchard, F. Hufnagel, D. Koutn` y, A. Abbas, A. Sit, K. Heshami, R. Fickler, and E. Karimi, Quantum process tomography of a high-dimensional quantum communica- tion channel, Quantum3, 138 (2019)

    work page 2019

  48. [48]

    M. W. Beijersbergen, L. Allen, H. Van der Veen, and J. Woerdman, Astigmatic laser mode converters and transfer of orbital angular momentum, Optics Commu- nications96, 123 (1993)

    work page 1993

  49. [49]

    Slussarenko, A

    S. Slussarenko, A. Alberucci, C. P. Jisha, B. Piccirillo, E. Santamato, G. Assanto, and L. Marrucci, Guiding light via geometric phases, Nature Photonics10, 571 (2016)

    work page 2016

  50. [50]

    Zhang, X

    Z. Zhang, X. Xie, C. Zhuang, B. Wu, Z. Liu, B. Wu, D. Mihalache, Y. Shen, and D. Deng, Topological pro- tection degrees of optical skyrmions and their electrical control, Photonics Research13, B1 (2025)

    work page 2025

  51. [51]

    Ornelas, I

    P. Ornelas, I. Nape, R. de Mello Koch, and A. Forbes, Topological rejection of noise by quantum skyrmions, Na- ture Communications16, 2934 (2025)

    work page 2025

  52. [52]

    Chen, and D

    G.Liu, L.Shi, Y.Liu, X.Zeng, J.Wang, Z.Fu, Y.Zhang, H. Chen, and D. Wei, Control of optical skyrmionic tex- tures via the pancharatnam-berry phase, Physical Re- view A112, 053507 (2025). 11

    work page 2025

  53. [53]

    Pushkina, G

    A. Pushkina, G. Maltese, J. Costa-Filho, P. Patel, and A. Lvovsky, Superresolution linear optical imaging in the far field, Physical review letters127, 253602 (2021)

    work page 2021

  54. [54]

    U. G. B¯ utait˙ e, M. Beresna, and D. B. Phillips, Minia- turised multi-plane light converters via laser-written geo- metricphaseholograms,arXivpreprintarXiv:2602.07222 (2026). 12 Supplementary Information: Volumetric processing of Structured Light Integrated in Glass Femtosecond laser writing setup and fabrication procedure The modulation planes were fab...

    work page arXiv 2026