Pith Number

pith:ZWCNWWWA

pith:2026:ZWCNWWWAEMEQ56YSIYD2U56HPQ

not attested not anchored not stored refs resolved

Power sensitivity of broadband radiofrequency detectors based on quantum diamond spins

Andy Sayers, Brant Gibson, Christopher T.-K. Lew, David A. Broadway, Jean-Philippe Tetienne, Nicholas Gillespie, Ryan Kinsella

RF power sensitivity of NV diamond detectors improves as the spin interface shrinks.

arxiv:2605.14244 v1 · 2026-05-14 · quant-ph · cond-mat.mes-hall

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Claims

C1strongest claim

the power sensitivity scales inversely with the characteristic physical dimension of the RF-spin interface, for instance the width of a coplanar waveguide or the diameter of a loop antenna

C2weakest assumption

The derivations assume ideal spin-RF coupling and specified noise regimes without accounting for fabrication imperfections, increased decoherence in small volumes, or non-ideal optical collection efficiency.

C3one line summary

Power sensitivity of NV-based RF detectors scales inversely with the physical size of the RF-spin interface, reaching estimated limits of 10^{-20} W Hz^{-1} (slope) and 10^{-12} W Hz^{-1/2} (variance) under photon shot noise.

References

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[1] Moreover, it allows the field-to-power ratio (i.e

[2] 13, we can derive scaling laws for the sensitivity as a function of the geometrical parameters wandL, in the saturated PL regime and in the linear regime

[3] We focus on the PL-dependent noise regime (κ noise = 1/2) as this is the most interesting scenario encompassing the photon shot noise limit

[4] By loop antenna here, we refer to a coaxial cable or planar waveguide terminated in a single-turn omega loop, see Fig

[5] 19 we can derive scaling laws here as a function of the loop radiusR

Formal links

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Receipt and verification

First computed	2026-05-17T23:39:10.626735Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd84db5ac023090efb124607aa77c77c29cb9d4606116f2ce0733f3a993bd819

Aliases

arxiv: 2605.14244 · arxiv_version: 2605.14244v1 · doi: 10.48550/arxiv.2605.14244 · pith_short_12: ZWCNWWWAEMEQ · pith_short_16: ZWCNWWWAEMEQ56YS · pith_short_8: ZWCNWWWA

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Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/ZWCNWWWAEMEQ56YSIYD2U56HPQ \
  | 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: cd84db5ac023090efb124607aa77c77c29cb9d4606116f2ce0733f3a993bd819

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47255cf4ec5db11bffb5a9ab68cedd942d270292a58fea24690ea5998eb30040",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-05-14T01:22:00Z",
    "title_canon_sha256": "4ec0459b4970a416a6326924c94c1f9e591f6a5e25026da0a2bf5cefcc56ab42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.14244",
    "kind": "arxiv",
    "version": 1
  }
}