Pith Number

pith:C6WGZY6L

pith:2026:C6WGZY6L5I5PYGRXTSQRCZIIUO

not attested not anchored not stored refs resolved

Tunable high-$Q$ Janus-to-chiral bound states in the continuum in bilayer PhCs

Haiyu Meng, Shengxuan Xia, Yee Sin Ang, Zhexing Dong

Symmetry-selective displacements in bilayer photonic crystals convert Janus bound states into tunable high-Q chiral resonances.

arxiv:2605.14412 v1 · 2026-05-14 · physics.optics

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\pithnumber{C6WGZY6L5I5PYGRXTSQRCZIIUO}

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Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

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Claims

C1strongest claim

We further show that material conductivity provides an additional dissipative degree of freedom for actively modulating the chiral response, with a switchable CD exceeding 0.89.

C2weakest assumption

The assumption that the proposed symmetry-selective perturbations (interlayer and diagonal in-plane displacements) preserve high-Q factors while enabling strong chirality in fabricated structures, without significant scattering losses from imperfections.

C3one line summary

Bilayer all-dielectric photonic crystals with interlayer and diagonal in-plane displacements generate tunable high-Q Janus-chiral bound states in the continuum, achieving switchable circular dichroism exceeding 0.89 via conductivity modulation.

References

78 extracted · 78 resolved · 0 Pith anchors

[1] D. C. Marinica, A. G. Borisov, and S. V. Shabanov, Phys- ical Review Letters100, 183902 (2008) 2008

[2] C. W. Hsu, B. Zhen, A. D. Stone, J. D. Joannopou- los, and M. Soljaˇ ci´ c, Nature Reviews Materials1, 16048 (2016) 2016

[3] M. Kang, T. Liu, C. T. Chan, and M. Xiao, Nature Re- views Physics5, 659 (2023) 2023

[4] J. Wang, P. Li, X. Zhao, Z. Qian, X. Wang, F. Wang, X. Zhou, D. Han, L. Shi, and J. Zi, Photonics Insights3, R01 (2024) 2024

[5] M. Kang, S. Zhang, M. Xiao, and H. Xu, Physical Review Letters126, 117402 (2021) 2021

Formal links

2 machine-checked theorem links

Receipt and verification

First computed	2026-05-17T23:39:07.350800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17ac6ce3cbea3afc1a379ca1116508a392ba309f177ec06ff2c47c265741d032

Aliases

arxiv: 2605.14412 · arxiv_version: 2605.14412v1 · doi: 10.48550/arxiv.2605.14412 · pith_short_12: C6WGZY6L5I5P · pith_short_16: C6WGZY6L5I5PYGRX · pith_short_8: C6WGZY6L

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/C6WGZY6L5I5PYGRXTSQRCZIIUO \
  | 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: 17ac6ce3cbea3afc1a379ca1116508a392ba309f177ec06ff2c47c265741d032

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5ded758d8e3b17a2fb30984a18d6b3c89002df9bf13e5570a4e8607e83c0fa2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2026-05-14T05:55:36Z",
    "title_canon_sha256": "cac63a7c06e96294392207aa2142e8ff77af019dfac0700b44322c539a95bba1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.14412",
    "kind": "arxiv",
    "version": 1
  }
}