Pith Number

pith:DG3G5KEX

pith:2026:DG3G5KEXZXBG3GFULCZDYO3L7K

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Ultralong pump-probe movies of magnon and phonon dynamics from ultrafast generation to microsecond relaxation

Riku Shibata, Shinichi Watanabe, Shun Fujii

Optical frequency combs enable pump-probe movies that track magnon and phonon dynamics from 500 femtoseconds to 20 microseconds.

arxiv:2605.15709 v1 · 2026-05-15 · physics.optics

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Claims

C1strongest claim

We demonstrate spatiotemporal tracking of magnon and phonon dynamics over more than seven orders of magnitude in time, from 500 femtoseconds to 20 microseconds, using 4 × 10^7 sampled time points enabled by the highly precise time base of optical frequency combs.

C2weakest assumption

The assumption that the time base provided by optical frequency combs remains sufficiently stable and jitter-free to support accurate sampling of 4 × 10^7 points across the full range up to 20 microseconds without cumulative timing errors.

C3one line summary

Demonstration of spatiotemporal movies of magnon and phonon dynamics spanning seven orders of magnitude in time using optical frequency combs for high-density pump-probe sampling.

References

52 extracted · 52 resolved · 0 Pith anchors

[1] Y. Kajiwara, K. Harii, S. Takahashi, J. Ohe, K. Uchida, M. Mizuguchi, H. Umezawa, H. Kawai, K. Ando, K. Takanashi, S. Maekawa, and E. Saitoh, Transmis- sion of electrical signals by spin-wave intercon 2010

[2] J.-Q. Wang, Z.-D. Zhang, S.-Y. Yu, H. Ge, K.-F. Liu, T. Wu, X.-C. Sun, L. Liu, H.-Y. Chen, C. He, M.-H. Lu, and Y.-F. Chen, Extended topological valley-locked surface acoustic waves, Nat. Commun.13, 1 2022

[3] Y. Yao, D. Hao, and Q. Zhang, Perspectives on devices for integrated phononic circuits, Adv. Mater.37, 2407642 (2025) 2025

[4] B. Casals, N. Statuto, M. Foerster, A. Hern´ andez- M´ ınguez, R. Cichelero, P. Manshausen, A. Mandziak, L. Aballe, J. M. Hern` andez, and F. Maci` a, Generation and imaging of magnetoacoustic waves o 2020

[5] J. Zhang, M. Chen, J. Chen, K. Yamamoto, H. Wang, M. Hamdi, Y. Sun, K. Wagner, W. He, Y. Zhang, J. Ma, P. Gao, X. Han, D. Yu, P. Maletinsky, J.- P. Ansermet, S. Maekawa, D. Grundler, C.-W. Nan, and H. 2021

Receipt and verification

First computed	2026-05-20T00:01:13.747100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19b66ea897cdc26d98b458b23c3b6bfa9fa62d243a5af8a67d6b59261b9e24ba

Aliases

arxiv: 2605.15709 · arxiv_version: 2605.15709v1 · doi: 10.48550/arxiv.2605.15709 · pith_short_12: DG3G5KEXZXBG · pith_short_16: DG3G5KEXZXBG3GFU · pith_short_8: DG3G5KEX

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Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/DG3G5KEXZXBG3GFULCZDYO3L7K \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 19b66ea897cdc26d98b458b23c3b6bfa9fa62d243a5af8a67d6b59261b9e24ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b61ad79a3dc02b253b9d8b30e33b0ab9e6e4a21b57746e0110be04ced9c7556b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2026-05-15T08:00:07Z",
    "title_canon_sha256": "8da7823aef4f0fa8c4b388901df4a2dd836a45630cc562cd7abe8bf77fcb8c43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.15709",
    "kind": "arxiv",
    "version": 1
  }
}