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一种基于混合态诱骗态量子密钥分发的网络安全增强方法

Absstract of: CN122951789A

本发明公开了一种基于混合态诱骗态量子密钥分发的网络安全增强方法，具体涉及量子通信技术领域，发送端通过概率性选通多路并行固定光衰减路径制备混合态量子信号，各路径独立施加随机相位后合束输出，使光子数分布由固定衰减器直接决定，与调制电压无关；利用本地监控探测器连续采集样本并通过统计推断在线锁定实际选择概率，配合主动时延补偿使各路脉冲到达时间差稳定在二十分之一脉冲宽度以内。接收端通过波分复用参考光实现全时段持续监控。本发明在不依赖模拟器件线性度的前提下实现了发送端混合态的高保真锁定与接收端网络级攻击指纹防护，有效增强了量子密钥分发系统在实际部署环境下的安全韧性。

一种可移动量子密钥充注方法及系统

Absstract of: CN122951790A

本发明公开了一种可移动量子密钥充注方法及系统，涉及量子通信技术领域。该方法将配对的两台可移动量子密钥分发设备分别移动至量子密钥分发位置，与作为中心节点的TF‑QKD探测端建立自由空间量子信道，经TF‑QKD生成两台设备之间的共享量子密钥并存储；当用户终端存在共享量子密钥通信需求时，两台可移动量子密钥分发设备分别移动至对应用户终端近端，通过近端安全链路将共享量子密钥充注至对应用户终端。本发明无需在用户之间铺设量子密钥分发光纤线路，以一个TF‑QKD探测端配合多台可移动量子密钥分发设备即可为任意两个用户直接生成并在线充注共享量子密钥，免除了密钥中继，降低了组网复杂度、光纤铺设成本及单点故障风险。

基于量子随机数加密的对讲系统及加密方法

Absstract of: CN122951777A

本申请涉及一种基于量子随机数加密的对讲系统、加密方法计算机设备及存储介质。所述系统包括：量子安全处理模块，利用单光子雪崩二极管阵列在预设工作温度范围内通过量子隧穿效应产生暗计数，生成量子随机数比特流并作为加密密钥对语音数据执行按位异或运算；射频通信模块，用于加密语音数据的收发；量子密钥分发模块，用于将量子态的偏振或相位信息编码为射频信号的相位，实现密钥的无线安全分发；窃听检测模块，用于提取量子噪声指纹并与预置基线比对，同时计算量子误码率，在任一项超过阈值时生成告警。本申请利用量子隧穿效应实现物理真随机数生成，结合一次一密加密和双重窃听检测机制，有效提高了对讲系统的通信安全性。

一种量子传输纠错方法、装置、设备、介质及产品

Absstract of: CN122951746A

本申请实施例提供一种量子传输纠错方法、装置、设备、介质及产品，涉及量子力学领域。本方法将实时获取的量子传输时的量子噪声数据输入第一纠错模型，得到第一纠错策略，基于第一纠错策略对量子传输中的错误进行修正并获取量子传输链路在修正前后的第一通信质量指标，即可确定第一纠错策略的奖励值，基于此奖励值对纠错模型的Q值函数进行调整，即可得到第二纠错模型，以更新策略。本方案通过强化学习算法，能够根据实时的修正反馈进行模型自适应调整，不仅能够使纠错模型适应噪声环境的变化，还能够给出有效的纠错策略以解决噪声带来的问题，从而提高量子传输链路的可靠性、稳定性和数据处理质量，以及提高执行设备在复杂噪声环境下的性能。

量子网络组网方法和量子网络系统

Absstract of: CN122951933A

本发明公开了一种量子网络组网方法和量子网络系统，该方法包括：获取链路的最大纠缠生成容量，并根据实际运营成本因子，通过预设成本模型计算得到的单位纠缠成本；构建物理量子网络对应的无向图，并标注最大纠缠生成容量和单位纠缠成本；接收客户端对的纠缠资源需求；基于无向图，以最小化总成本为目标，以满足纠缠资源需求和为条件，构建最小成本流问题；调用优化算法，求解最小成本流问题，得到每条链路的纠缠生成量分配方案；根据分配方案，控制相应链路的量子设备执行纠缠生成与交换操作。本发明的方法通过引入成本模型，使最小成本优化从理论概念变为可计算、可执行的运营策略，能直接降低量子网络的实际运营开支。

一种针对微波光子折叠接收机的多信号频率测量方法

Absstract of: CN122951707A

本发明公开了一种针对微波光子折叠接收机的多信号频率测量方法，属于微波光子信号处理技术领域，包括：将模拟微波信号分别输入到光子折叠链路中，获得三通道中频信号，转换后得到数字离散信号，对数字离散信号经过希尔伯特变换、信号分离后得到三通道中每个信号的基带I/Q数据；对基带I/Q数据做FFT得到信号的前沿频率和后沿频率，计算三通道间的基带I/Q数据的频率差；测量信号的模糊数，结合模糊数和前沿频率、后沿频率对原始频率进行估计。本发明解决微波光子亚奈奎斯特折叠接收机面临的频率混叠问题，有效应对多信号时频混叠下频率模糊的问题，能够提升在复杂电磁环境中对于信号的实时捕捉、频谱监测能力。

基于无人机通信及飞控数据的量子加密装置和方法

Absstract of: CN122932982A

本申请提供了基于无人机通信及飞控数据的量子加密装置和方法，涉及无人机通信技术领域。本发明通过装置的环境感知模块采集飞行环境参数和链路状态参数，量子密钥生成模块根据环境参数动态调整脉冲编码策略，生成时间相位联合编码的量子密钥序列，动态补偿模块计算环境参数变化量并输出校准后密钥分发指令，密钥管理模块验证密钥有效性，根据通信误码率触发密钥更新并分发有效密钥，多模通信执行模块在通信误码率低于阈值时通过自由空间传输密钥，超过阈值时切换至太赫兹信道传输加密数据，根据有效密钥对飞控数据与通信数据执行密钥加密；实现通过环境参数驱动多模块动态协同，解决无人机高速移动及复杂环境下量子密钥误码率激增与通信中断问题。

偏振编码集成芯片

Absstract of: CN122923160A

本公开提供一种偏振编码集成芯片，涉及量子通信技术领域。偏振编码集成芯片包括：阵列波导光栅，包括2n个输入端，第2k‑1个输入端和第2k的输入端构成第k个波长通道组，第k个波长通道组用于接收同一波长且具有预设振幅比和预设相位差的两个光信号，1≤k≤n，n≥2；其中，阵列波导光栅被配置为：将所有奇数序号的输入端接收的光信号复用后输出第一光信号；以及将所有偶数序号的输入端接收的光信号复用后输出第二光信号。

一种用于光纤环形网络的量子密钥资源池保护方法及系统

Absstract of: CN122932985A

本发明涉及量子安全通信与电力工控系统网络安全技术领域，尤其涉及一种用于光纤环形网络的量子密钥资源池保护方法，包括：S1、在KMS与QKD设备之间建立物理隔离的密钥注入通道，将量子密钥持续写入本地密钥资源池；S2、为每一通信节点对建立独立的密钥子池并赋予唯一通信对标识符；S3、终端设备通过标准化接口携带通信对标识符向KMS发起透明密钥调用；S4、KMS实时监测子池余量；S5、对密钥资源池操作采用哈希链机制进行保护。本发明单套QKD设备即可为环网中全部通信对提供量子密钥保护；满足工控系统实时性要求，可透明接入；通信对分区机制提供细粒度密钥隔离；动态水位阈值机制保障异常场景下的密钥供应连续性。

基于人工智能的解纠缠与重构方法、装置、设备及介质

Absstract of: CN122932834A

本发明涉及一种基于人工智能的解纠缠与重构方法、装置、设备及介质，本申请中，获取太赫兹基站和多个纠缠感知可重构智能超表面的配置信息，并通过纠缠感知可重构智能超表面单元采集下行导频信号对应的纠缠感知数据，基于配置信息和纠缠感知数据构建信道纠缠张量；将信道纠缠张量对应的信道矩阵压缩至本征空间，以进行量子纠缠解耦处理，得到本征参数；将本征参数、畸变太赫兹全息图，输入搭载物理增强型神经网络的全息重构引擎，得到信道环境模型；根据信道环境模型、信道纠缠张量对应的信道纠缠关系，进行纠缠敏感波束成形，得到波束成形参数；根据波束成形参数，配置纠缠感知可重构智能超表面单元的反射相位和幅度，完成太赫兹信道的优化。

基于拓扑保护边界态的共封装光学多引擎互连系统与方法

Absstract of: CN122923184A

本发明公开了一种基于拓扑保护边界态的共封装光学多引擎互连系统与方法，属于共封装光学、硅光子学与数据中心高速光互联技术领域。针对现有CPO系统封装基板存在5～20℃残余温度梯度，引发光互连串扰升高、误码劣化、整机良率受限的行业痛点，本发明采用硅基谷光子晶体拓扑边界态波导作为多光引擎互连链路，依托晶格对称性保护的拓扑畴壁实现单向无反射、抗温度扰动的光传输，实现无需外部时钟参考的光域直连交互。本发明可稳定容忍5～20℃光引擎工作温差，相邻通道串扰≤‑35dB；兼容片上集成光源与外置可拆卸光源架构，适配100Gbps～800Gbps PAM4信号传输，可直接适配主流商用CPO硬件平台。

QUANTUM TRANSCEIVER ANTENNA AND METHOD FOR CONSTRUCTION

Absstract of: WO2026217111A2

A Quantum Transceiver Antenna (QTA) is described which is a scalable, thin-film, bi-synchronous, multifrequency resonance antenna, comprised of a layered matrix of antenna pixels of uniform size and shape, with voids and nulls in its pattern. On the QTA, electromagnetic signals gain coherence as toroidal geometries, that function as tunable, electromagnetic lenses, to simultaneously resolve and concentrate gain in the full spectrum of radio frequency signals. QTA transceives both particles and waves, and operates using quantum principles, including quantum tunneling whereby solid materials appear invisible, enabling non-line of sight communications, imaging, detection, Q-Tricity, immunity to multipath interference, and ground planes. One QTA replaces disparate antennas in a mobile device and operates wirelessly with space-based platforms and terrestrial networks, plug and play, with low impedance, less power, at magnitudes of gain only possible using quantum principles. QTA is frequency dynamic providing mesh networks, IOT, AI connectivity, and emergency response interoperability solutions.

SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME

Absstract of: US20260322504A1

The present invention provides a semiconductor device implementing interconnection through an on-chip all-optical switching network module, and a method of manufacturing the same. The semiconductor device comprises: a circuit board comprising a plurality of electrical connection paths; an on-chip all-optical switching network module mounted on the circuit board and including a photonic chip and a plurality of analog electrical transceiver chips mounted above the photonic chip, the photonic chip including a plurality of communication nodes respectively communicatively connected to the analog electrical transceiver chips, a plurality of optical connection paths, and at least one on-chip optical switch configured to reconfigure a connection topology among the communication nodes; and a plurality of computing modules mounted on the circuit board and respectively communicatively connected to the analog electrical transceiver chips through the electrical connection paths, such that a connection topology among the computing modules is reconfigurable through the on-chip optical switch.

SINGLE-CLICK PROTOCOL FOR REMOTE STATE PREPARATION WITH A WEAK COHERENT PULSE SOURCE

Absstract of: WO2026216996A1

The present disclosure presents a single-click protocol for use in a quantum network, nodes of such quantum network, and related methods. The quantum network includes client nodes, server nodes, and measurement nodes, wherein at least one client node is operatively coupled via a first quantum communication link with at least one measurement node, and wherein at least one server node is operatively coupled via a second quantum communication link with the at least one measurement node, wherein the at least one server node and the at least one client node are configured to transmit quantum states toward the measurement node for remote state preparation, and wherein the server node and the client node are configured to receive heralding signals from the measurement node, wherein the measurement node is configured to transmit the heralding signals upon using a single-click protocol.

ATOMIC VAPOR CELLS FOR ELECTROMAGNETIC FIELD SENSING AND PHOTONICS

Absstract of: WO2026215877A1

An electromagnetic field sensor device is presented, comprising sensing unit(s), each comprising: a micromachined vapor cell structure whose interaction cavity has an interrogation volume located in an optical path of a multi-photon optical excitation, wherein: the cell structure is integrated structure formed by a stack of layers, one of which having a pattern defining reservoir region and interaction cavity, and a passage of atomic fluid from the reservoir to the interaction cavity; the cell structure has at least one dimension D smaller than a wavelength X of electromagnetic field to be detected; and the reservoir region is spatially separated from the interrogation volume and separated from the optical path by distance d selected to provide a predefined minimal Rydberg spectral linewidth condition of performance of the sensing, thereby reducing electrostatic field perturbations within the interrogation volume.

QUANTUM KEY DISTRIBUTION CALIBRATION SETUP AND METHOD THEREOF

Absstract of: US20260322595A1

The present invention relates to Calibration system for calibrating a QKD emitter comprising said QKD emitter provided with a light source for generating light and an output connector for exiting the generated light, and a telecom characterization setup located at the output connector characterized in that the calibration system further comprises a pair of switchable connectors adapted to be switched between a first position where the connectors are exposed to the outside of the QKD emitter and a second position where the connectors are internally connected for providing a light path from the light source to the output connector, and an optical amplifier connected to the connectors switched in the first position for calibration procedure.

SYSTEMS AND METHODS FOR QUANTUM KEY DISTRIBUTION NETWORKS

Absstract of: US20260322597A1

0000 A system for implementing a quantum key distribution network, the system comprising: one or more quantum transmitters configured to transmit quantum encoded photons; a single state receiver, configured to receive the photons and determine encoded bits under a first protocol; a bell state receiver configured to receive quantum encoded photons under a second protocol; and a manager configured to determine a basis of encoding of the quantum encoded photons and to control communication between the one or more quantum transmitters and the single state receiver based on the first protocol or the bell state receiver based on the second protocol.

DOUBLE-SINGLE-CLICK PROTOCOL FOR REMOTE STATE PREPARATION WITH A WEAK COHERENT PULSE SOURCE

Absstract of: WO2026216997A1

The present disclosure presents a double-single-click protocol for use in a quantum network, nodes of such quantum network, and related methods. The quantum network includes client nodes, server nodes, and measurement nodes, wherein at least one client node is operatively coupled via a first quantum communication link with at least one measurement node, and wherein the at least one server node is operatively coupled via a second quantum communication link with at least one measurement node, wherein the at least one server node and the at least one client node are configured to transmit quantum states toward the measurement node, and wherein the at least one server node and the at least one client node are configured to receive heralding signals from the measurement node, wherein the measurement node is configured to transmit the heralding signals upon using a double-single-click protocol.

Operating a Layered Quantum Networking Environment with Fidelity Estimates

Absstract of: US20260322503A1

A first message is sent from a first node in a network indicating that a first quantum element at the first node is entangled with a second quantum element at a second node in the network. The first message comprises a first estimate of a fidelity of entanglement between the first and second quantum elements, and a timestamp indicating a time associated with the first estimate. Based at least in part on the first message, a second estimate of a fidelity of the entanglement between the first and second quantum elements is generated, at a second time after the time indicated by the timestamp, and is compared to each of multiple thresholds. At least a first (second) action is performed in response to a result of comparing the second estimate to a first (second) threshold.

SYSTEM AND METHOD FOR QUANTUM KEY DISTRIBUTION (QKD)

Absstract of: US20260318736A1

0000 A quantum key distribution (QKD) system having an entangled photon source for generating polarization-entangled photon pairs, a first receiver and a second receiver, wherein each polarization-entangled photon pair consists of a signal photon and an idler photon, and wherein the first receiver is connected via a first communication channel to the entangled photon source for transmitting the signal photons or the idler photons, wherein the first receiver comprises a first detection unit, and wherein the second receiver is connected via a second communication channel to the entangled photon source for transmitting the idler photons or the signal photons, wherein the second receiver comprises a demultiplexer and at least one second detection unit, wherein the demultiplexer divides the idler photons or the signal photons according to their wavelength onto at least two outputs of the demultiplexer, and wherein a polarization compensation unit is arranged after each output of the demultiplexer.

一种量子加密与PON信号共纤传输的信道噪声抑制方法及系统

Absstract of: CN122908839A

本发明涉及量子密钥分发与无源光网络共纤融合通信技术领域，公开了一种量子加密与PON信号共纤传输的信道噪声抑制方法及系统，该方法在局端将QKD发射机与PON发射机信号经拉曼抑制型波分复用器合波共纤传输，用户侧按5%:95分光，通过可调带阻滤波器实现频谱域基础噪声抑制，结合门控单光子探测与PON功率前馈调度完成时域噪声隔离，再基于拉曼噪声功率、PON发射功率及光纤长度的关联模型，反推实时噪声功率并动态闭环微调滤波器参数与PON发射功率，实现全场景自适应噪声抑制；本发明可将QKD接收端噪声计数率大幅度降低，成码率提升至15kbps，对PON业务影响小于0.1%，兼容现有设备、部署成本低，能有效保障量子加密通信稳定性与经典PON业务无感知传输。

一种多用户环形量子时间同步系统及方法

Absstract of: CN122908861A

本发明公开了一种多用户环形量子时间同步系统，包括基准站点和多个用户节点；所述基准站点和多个用户节点通过环形量子信道相连；本发明还公开了一种多用户环形量子时间同步方法，基于所述的一种多用户环形量子时间同步系统实现。本发明公开了一种多用户环形量子时间同步系统及方法，通过同时利用环形量子信道的顺时针方向和逆时针方向传输信号光，从而在一个用户节点与基准站点之间带来两种可行的时钟差，避免了使用单一时钟差而带来的误差和偶然性，能够有效提高时间同步的精度和可靠性，可广泛应用量子测量与量子高速成像领域。

一种基于拓扑陈数调控的宏观量子态传输装置及其实现方法

Absstract of: CN122908844A

本发明公开了一种基于拓扑陈数调控的宏观量子态传输装置及其实现方法（星际之门）。所述装置包括具有相同非零拓扑陈数的发送端拓扑材料元件和接收端拓扑材料元件、外场发生装置、同步控制系统和量子态读出系统。所述方法通过同步调制发送端和接收端的投影角至临界值，使，固有时冻结，宏观物体的集体波函数通过高维纤维丛的公共拓扑分支瞬时重构于接收端。传输保真度由公式确定。本发明利用拓扑保护机制使宏观量子态传输对环境噪声不敏感，可在室温下实现瞬时传输，且驱动能量仅为焦耳级，具有工程可行性。

基于相干阵飞秒激光光源的大规模量子纠缠光子产生装置与方法

Absstract of: CN122891160A

本发明公开了一种基于相干阵飞秒激光光源的大规模量子纠缠光子产生装置与方法，包括：动相干阵DFB激光光源输出空间相位锁定且光谱窄线宽的光场；可调光谱整形模块根据控制指令选取目标光谱子带；将滤波后光谱子带导入宽带线性放大模块进行低噪声放大；量子时空协同控制单元根据实时滤波带宽与阵列折射率分布，计算并输出对应的色散或相位驱动信号，驱动自适应时空压缩模块执行动态匹配，使不同频率成分在时域重聚为变换极限飞秒脉冲序列；飞秒脉冲序列耦合至并行非线性量子转换阵列各单元，激发多通道信号‑闲频纠缠光子对；可编程量子干涉路执行多光子路径同步与相位对齐，使各通道纠缠光子在时域与相位域重聚，输出大规模可编程量子纠缠态。

一种基于光外差法的宽带线性调频脉冲信号产生方法

Nº publicación: CN122883147A 09/10/2026

Applicant:

西南交通大学

Absstract of: CN122883147A

本发明公开了一种基于光外差法的宽带线性调频脉冲信号产生方法，在由三段式分布式布拉格反射激光器、可调谐激光源、声光调制器、光耦合器和光电探测器组成的系统中，利用三段式分布式布拉格反射激光器产生线性啁啾光信号，利用可调谐激光源和声光调制器产生脉冲光载波，两路光信号在光电探测器中进行光外差拍频，从而在电域产生高线性宽带线性调频脉冲微波信号。本发明具有结构简单、扫频带宽可调、中心频率可调、脉冲参数可控和线性度高等优点，适用于宽带雷达、微波光子信号产生、目标探测以及通信感知一体化系统。