Pith Number

pith:U3NRAABP

pith:2026:U3NRAABP2K2FX6VU4KZWVYL7ZS

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Performance Analysis and Optimization for Laser-Phase-Noise based Quantum Random Number Generation

Bingjie Xu, Guowei Zhang, Heng Wang, Jie Yang, Jinlu Liu, Wei Chen, Wei Huang, Yang Li, Yan Pan, Yu Gao, Yuyang Ding

A physical model for laser phase noise QRNGs predicts raw data statistics to optimize generation rate or min-entropy.

arxiv:2604.14511 v2 · 2026-04-16 · quant-ph

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\pithnumber{U3NRAABP2K2FX6VU4KZWVYL7ZS}

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Claims

C1strongest claim

a comprehensive physical model for this scheme is introduced to accurately predict the power spectrum and probability distribution of raw data, based on which the entropy source bandwidth and quantum min-entropy can be accordingly calculated and thus the system performance can be quantitatively evaluated. The model is sufficiently validated through both simulation and experiment with significant agreement under various setups. Furthermore, our proposal enables the priori configuration of experimental setups to achieve designed power spectrum and probability distribution of the raw data, thereby maximizing the generation rate or the min-entropy for system performance optimization.

C2weakest assumption

The model assumes that laser phase noise dominates the randomness and that all relevant physical parameters and detection effects are captured accurately enough for reliable prior prediction and optimization, with validation claimed but without details on potential unmodeled noise sources or parameter sensitivities.

C3one line summary

A comprehensive physical model predicts power spectrum and probability distribution in laser phase noise QRNG, enabling quantitative optimization of generation rate and quantum min-entropy.

Receipt and verification

First computed	2026-07-07T02:17:24.578060Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6db10002fd2b45bfab4e2b36ae17fccb013a4b8244e875601b001d890fed334

Aliases

arxiv: 2604.14511 · arxiv_version: 2604.14511v2 · doi: 10.48550/arxiv.2604.14511 · pith_short_12: U3NRAABP2K2F · pith_short_16: U3NRAABP2K2FX6VU · pith_short_8: U3NRAABP

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Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/U3NRAABP2K2FX6VU4KZWVYL7ZS \
  | 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: a6db10002fd2b45bfab4e2b36ae17fccb013a4b8244e875601b001d890fed334

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9f5c60a57f9708771b09836e6f01eb7b9d47fb0ec21aa42c1249c8fdb4e000e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-04-16T00:57:19Z",
    "title_canon_sha256": "f5678a020a1ee9289998ae37730b7e4c87df418478c86ac1d6a544501ce6d971"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2604.14511",
    "kind": "arxiv",
    "version": 2
  }
}