Network intrusion detection plays a very important role in protecting computer network security. The abnormal traffic and analysis by extracting the statistical features of flow is main method field detection. However, these need to be designed extracted manually, which often loses original information leads poor efficiency. In this paper, we do not manually design but directly extract raw data for analysis. addition, first proposed new model named deep hierarchical network, integrates...

Optomagnonics and optomechanics have various applications, ranging from tunable light sources to optical manipulation for quantum information science. We propose a hybrid system based on the interaction between phonon magnon that can be tuned by an electromagnetic field radiation pressure magneto-optical effects. The self-energies of induced influence thermal noise are studied. Moreover, topological features illustrated considering dynamical encircling with exceptional points, chiral...

In this letter, a multiband dual-polarized omnidirectional antenna is studied. Two printed circular dipole arrays are employed for horizontal polarization (HP), while simplified discone used vertical (VP). The two fixed on the top and bottom of VP element, respectively, combined by diplexer to make up HP elements. element composed three radiation patches with an external profile shape, which significantly lower antenna's fabrication cost. To realize compact structure, together patch works as...

With the rapid development of Internet Things technology, a large number devices are connected to Things, and at same time, network attacks security threats introduced. Intrusion detection system (IDS) is one effective methods for protecting network. rise artificial intelligence intrusion based on ML/DL widely applied. However, neural vulnerable adversarial perturbation. Most existing cannot guarantee basic function traffic data. In this paper, we propose an improved attack model Generated...

We present an entanglement purification protocol and concentration in this paper, resorting to cross-Kerr nonlinearities interference of two coherent beams. Our can be used purify photon pairs not only from ideal entangled source but also a parametric down-conversion by the measurement on beams without giant media. quantum nondemolition detection concentrate less pure states efficiently. protocols are more flexibilities distinguishing phases during homodyne detection.

Here we investigate a physical implementation of the universal quantum controlled phase (CPHASE) gate operation on photonic qubits by using nitrogen vacancy (N-V) centers and microcavity resonators. The CPHASE can be achieved sending photons through interacting with N-V center. proposed scheme further used for scalable computation. We show that this technique provides us deterministic source cluster state generation qubits. In scheme, only single center are required schemes feasible current...

In this paper, multi-cell power allocation approach is researched. Different from the traditional optimization decomposition method, Deep Reinforcement Learning (DRL) method employed to solve issue which an NP-hard problem. The objective of our work maximize overall capacity entire network in scenario where base stations are randomly and densely distributed. We propose a wireless resource mapping deep neural for named as Deep-Q-Full-Connected-Network (DQFCNet). Compared with water-filling...

We investigate a candidate for the potential implementation of entanglement purification two entangled nitrogen vacancy (N-V) centers that are coupled with microtoroidal resonators. In our proposed protocol (EPP), mixed ensembles can be purified local parity-check operations. With current and near-future technology, we achieve maximally N-V nonlocally. And EPP used in quantum repeaters long-distance communication.

Exploiting the input-output process of low-Q cavities confining nitrogen-vacancy centers, we present an efficient entanglement concentration protocol on electron spin state in decoherence free subspace. Less entangled can be concentrated to maximally with assistance single photon detection. With its robustness and scalability, is immune dephasing further applied quantum repeaters distributed computation.

Detecting and weighing individual nanoparticles is an important approach to studying the behavior properties of single particles. Here, we illustrate effective mass sensing scheme using optomechanical resonator system. Based on optomechanically induced transparency phenomenon, a Stokes' field reference used sense particle microresonator. The intensity transmission will be changed by effect particle, which avoids limits decay-induced spectral width in resonance shift detection. Exploiting...

The technologies of ultrasound detection have a wide range applications in marine science and industrial manufacturing. With the variation environment, requirements anti-interference, miniaturization, ultra-sensitivity are put forward. Optical microcavities often carefully designed for variety ultra-sensitive detections. Using packaged microsphere cavity, we fabricated an sensor that can work underwater environment. During practical detection, optical resonance mode cavity with real-time...

Given that contextuality and coherence are significant resources in quantum physics, exploring the intricate interplay between these two factors presents a compelling avenue for research. Here, an experiment is presented to investigate nuanced relationship contextual robustness scenario of state discrimination. Specifically, types noises---depolarizing dephasing---are introduced measurement procedure assess contextuality. By varying overlap states be discriminated, we explore variations...

To support high bandwidth with mobility is the predominant objective of next-generation networks. As some networks such as UMTS (universal mobile telecommunication system) can offer a wide geographical coverage relatively low data rate, while other WLAN (wireless local area network) much higher at level, network selection becoming one most significant challenges for In this paper we propose an efficient mechanism which combines two mathematical techniques. Analysis hierarchy progress...

Abstract Nowadays, wireless communication system is facing the problems of spectrum resource shortage. Cognitive radio technology allows cognitive users to use spectrums authorized primary improve utilization. In this paper, a network model based on hybrid overlay–underlay access mode established. To solve allocation problem, multi‐agent algorithm graph convolution reinforcement learning which combines deep Q (DQN) and attention proposed. DQN used for action selection obtain information...

Due to its unique optical properties, nitrogen-vacancy centers in diamond show remarkable advantages realizing quantum information processing and computation. This paper proposes a scalable computing architecture based on solid-state NV centers. In our scheme, logical qubits are encoded decoherence-free subspace (DFS) with Larmor pairs (a pair of the nucleus). And connection between multiple is assisted by cantilever probe. Then high fidelity universal gate achieved using series pulses. Our...

The quantum blockade effect is one of the important control methods for various states. Recently, magnon has gradually become focus device research due to its excellent properties such as stability, high spin density, and tunability. This study investigates generation conventional unconventional single double blockades, well magnon-induced tunneling effects, in strongly nonlinearly coupled cavity–magnon systems. By adjusting coupling strength driving field, we achieved along with effects....

Carrier Aggregation (CA) is one of the promising techniques to support wider bandwidth and fulfil higher data rate requirement in LTE-Advanced system. Combined with Cognitive Radio (CR), packet scheduler more intelligent assign radio resources dynamically. To best our knowledge, Scheduling (CS) scheme cognitive LTE-A system CA has not thoroughly been studied yet till now, even CS based on multi-service. In this paper, we design an efficient multi-user multi-service carrier scheduling such...

In the paper, we present schemes for implementing multi-qubit quantum gates in networks based on nitrogen-vacancy (NV) centers diamond. our schemes, NV coupled to whispering-gallery modes of microtoroidal resonators serve as registers store information. By coding qubits into decoherence-free subspaces, information encoded logical is protected from collective dephasing, and controlled-NOT Toffoli between same or different nodes can be implemented. Compared with previous works, are simpler...

Optomagnonic structures are widely studied in the field of nanophotonics and quantum information science. They key platforms for realization magnon-mediated microwave to optical transducers various applications computing. In order enhance coupling between light (photons) spin waves (magnons), here this work, we use Lagrange multiplication method find optimum matching condition whispering-gallery mode magnon with Kittle higher-order modes microresonators. It is found that located near edge...

Here we propose two practical protocols to concentrate entanglement between separate nitrogen-vacancy (N-V) centers in less entangled state via coupling microtoroidal resonators. We construct the parity check gate of N-V center and resonator systems interaction with ancillary photon input-output process near Thus can be readout by measurement on photon. Then introduce operations concentration protocols. Considering current techniques, also discuss feasibility our proposal its experimental challenges.