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10.53_时间纠缠相位预言与实验建议_CN_260812

ouyang guobin

Published Aug 12, 2026• 0 citations
Publisher

Abstract

时间纠缠理论预言:双光子干涉(二阶关联)条纹相对几何预期存在附加相位偏移 δ_φ,其值介于 0 与 ½log2(≈0.347 rad)之间,来源于两个探测时刻之间由谱条件约束的时间纠缠熵;标准量子光学理论(包括 arXiv:2403.04432 的完整时间-能量纠缠形式)预言该偏移恒为零。本文给出该预言的实验建议——双光子双缝干涉(双光子杨氏干涉):405 nm 激光二极管泵浦 BBO 晶体产生 810 nm 简并纠缠对,通过教学双缝后由两路 SiPM 符合计数;同步扫描探测器位置,对符合计数做 Fourier 分解,同时提取单光子频率项与双光子频率项条纹相位。判别判据:双光子频率条纹相对几何预期整组平移(上限 0.347 rad ≈ 0.22 mm)、单光子频率分量反向偏移、差条纹零偏移(对称性对照)、平移量与装置几何无关。装置全部由市售组件构成(约 4000 元),测量约 1–2 小时;此前所有双光子杨氏实验均未标定条纹绝对相位,本检验为文献空白。

DOI
10.5281/zenodo.21896385

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时间纠缠理论预言:双光子干涉(二阶关联)条纹相对几何预期存在附加相位偏移 δ_φ,其值介于 0 与 ½log2(≈0.347 rad)之间,来源于两个探测时刻之间由谱条件约束的时间纠缠熵;标准量子光学理论(包括 arXiv:2403.04432 的完整时间-能量纠缠形式)预言该偏移恒为零。本文给出该预言的实验建议——双光子双缝干涉(双光子杨氏干涉):405 nm 激光二极管泵浦 BBO 晶体产生 810 nm 简并纠缠对,通过教学双缝后由两路 SiPM 符合计数;同步扫描探测器位置,对符合计数做 Fourier 分解,同时提取单光子频率项与双光子频率项条纹相位。判别判据:双光子频率条纹相对几何预期整组平移(上限 0.347 rad ≈ 0.22 mm)、单光子频率分量反向偏移、差条纹零偏移(对称性对照)、平移量与装置几何无关。装置全部由市售组件构成(约 4000 元),测量约 1–2 小时;此前所有双光子杨氏实验均未标定条纹绝对相位,本检验为文献空白。
Toner and Bacon showed that the singlet correlation E = -cos(Delta) can be reproduced exactly by two shared uniform random unit vectors and one bit of communication. We ask which unobserved quantities of a down-conversion source could supply the four uniform numbers that fix those vectors. For a collinear, nondegenerate source, the emission time and the signal-idler delay (which depends on the position of emission in the crystal and is shifted but not removed by compensation optics), together with the signal and idler optical phases as two clocks, give four such numbers. A Fourier argument then gives the departure of the correlation from -cos(Delta) in closed form: it vanishes at aligned and opposite settings, appears at intermediate angles, and is controlled by |sinc[(f_s - f_i) T]|, where T is the delay spread across the crystal. For type-I BBO at 763/849 nm the predicted deviation at a relative angle of 90 degrees reaches up to 14% at 1 mm and 42% at 0.3 mm, against 0.9% at 15.76 mm, while the CHSH value stays near 2.83. A thickness series with fixed optics would test this, and a null result at 0.5 mm would rule the construction out. The construction still needs either a communicated bit or setting choices that depend on the source. We give an exact measurement-dependent version and state what a physical cause would have to supply; we do not identify one.
集成光子芯片为压缩态光场的产生提供了一个可靠和易于扩展的平台。基于低损耗氮化硅微环谐振腔的四波混频过程是产生压缩态光场的重要途径。本文基于氮化硅材料平台，优化了高质量氮化硅薄膜的制备工艺和微环谐振腔的加工过程，制备出多种尺寸和结构的低损耗氮化硅微环谐振腔。通过搭建的测试系统，系统分析了这些微环谐振腔的透射率、耦合状态和品质因子。实验结果表明，所制备的微环谐振腔具有稳定的本征品质因子，其中横截面尺寸为2000 nm′290 nm微环谐振腔的本征品质因子可达1.5′106，对应的波导传输损耗约为0.23 dB/cm。理论计算表明，该结构最优能够产生片上约9 dB的压缩态光场，当考虑总检测效率为40%时，预估可以直接观察到2 dB的压缩态。该研究为片上产生高质量的连续变量压缩态提供了实验基础。
提出了一种在室温多普勒展宽铷原子系统中实现双通道电磁诱导透明与电磁诱导吸收高效切换的方案。基于Y型四能级结构，采用缀饰微扰链方法，推导了探测场传输谱对波数失配、探测场强度及耦合场失谐的解析表达式。研究结果表明，通过将一子系统的探测场与耦合场波长设为相近（如780 nm与776 nm），可有效抑制多普勒展宽；另一子系统采用短波长耦合场（如480 nm）并匹配低衰减率激发态（如44D5/2），可获得高分辨率的双电磁诱导透明窗口。研究还发现，增强探测场可实现电磁诱导透明向电磁诱导吸收的转换，但强场引发的饱和与功率展宽效应会淹没双通道结构；通过增大耦合场失谐可有效抑制该效应，实现双通道电磁诱导吸收的高效、独立切换。本研究为在非均匀展宽介质中实现多通道量子光调控提供了理论依据，对多通道量子存储、光开关及频分复用光调制器等器件的设计具有指导意义。
Pumping a BBO crystal by a violet diode laser with a wavelength of (405 nm) output power of (24 mW) and a line width of (3nm) was employed to generate entangled photons with a wavelength of 810 nm by achieving type II phase matching conditions. The coincidence count rate obtained in this experiment was in the range of (18000) counts/s. Two BBO crystals with different thicknesses of (4 mm and 2 mm) were tested, where maximum count rates of about (18000) counts/s was obtained with a (5*5*2) mm BBO crystal where the short coherence time for the pumping source was tolerated by using shorter BBO crystals. Also, the effect of compensating crystal on the walk-off effect was studied. The coincidence count rates were increased by using these crystals when their optic axes were fixed in the opposite direction relative to the optic axis of the original BBO crystal
利用可旋转楔形棱镜（振镜）的光折射效应，实现一维受控的高精度光束扫描系统，并将其用于产生移动的光学偶极阱系统，能够使冷原子在空间内实现大范围绝热转移。光学偶极阱由一束准直的大功率1064 nm激光通过透镜强聚焦形成，其束腰半径为（21.9±0.4） μm。通过设计振镜与透镜之间的距离以及控制振镜的偏转角度，能够使偶极阱束腰在一维方向上实现高精度可控移动，通过设计偶极阱束腰位置移动的加速度形式，能够使偶极阱在22.5 ms内绝热移动7 mm。在平移过程中，光学偶极阱功率起伏为±3.45%，束腰位置在垂直于移动方向上的起伏为共焦参数的±1.7%。利用该系统，可以在30 ms内将原子转移5 mm，原子转移效率大于90.0%，温度变化小于5 μK；当转移时间为45 ms时，原子转移效率达（99.6±4.6）%。通过改善电机响应，最快可在10 ms 内将原子绝热地转移1 mm，原子转移效率为（94.3±3.6）%。该光束扫描系统具有通光孔径大（高斯直径>10 mm）、光损耗极小、噪声低和在移动过程中光频率不变化等优势，能够广泛应用于冷原子及单原子阵列实验中的原子转移和寻址。
The constructive-interference account of gravity (Paper 29) generates numerical predictions that differ from those of standard quantum mechanics (QM). The present paper has two objectives. First, it derives the specific numerical values predicted by Paper 29: n(r) from the Schwarzschild metric, Δφ = k₀∫[n₁(r)−n₂(r)]dr from the medium-structure integral, and Δx_max = f(∇n, geometry, λ₀) from the interference structure. These derivations do not prove the theory. They generate numbers. Whether those numbers match what nature produces is a question that only measurement can answer. Second, it assesses whether current experimental technology can measure the gap between Paper 29’s predicted values and standard-QM’s predicted values. One methodological principle is maintained throughout: in physics, mathematics generates predicted numerical values; nature selects which theory is correct by comparing those values to measured values. Agreement constitutes inductive support. Disagreement falsifies the specific step in the causal chain that generated the prediction. Axiom 2 of Paper 29 — the identification of the constructive-interference maximum with physical location — is not subject to mathematical proof. It is a theoretical premise whose numerical consequences are evaluated by comparing them with measurement. Two experimental classes satisfy all three discriminating conditions and are executable with existing apparatus: COW path-geometry (predicted δ(Δφ) ~ 10⁻³ rad vs. resolution ~10⁻⁴ rad) and slit-material density (predicted Δx_max ~ tens of nm vs. resolution 1–5 nm). Cumulative agreement across both systems, targeting different layers of the causal chain, constitutes genuine inductive support for the proposed mechanism