中文
相关论文

相关论文: Generalized Parity-Time Symmetry Condition for Enh…

200 篇论文

We consider the certification of temporal quantum correlations using the pseudo-density matrix (PDM), an extension of the density matrix to the time domain, where negative eigenvalues are key indicators of temporal correlations.…

量子物理 · 物理学 2025-04-25 Hongfeng Liu , Zhenhuan Liu , Shu Chen , Xinfang Nie , Xiangjing Liu , Dawei Lu

Research on wireless sensors represents a continuously evolving technological domain thanks to their high flexibility and scalability, fast and economical deployment, pervasiveness in industrial, civil and domestic contexts. However, the…

信号处理 · 电气工程与系统科学 2021-05-04 Luca Varotto , Angelo Cenedese

This paper investigates a novel downlink symbiotic radio framework enabled by the pinching antenna system (PASS), designed to enhance both primary and secondary transmissions through reconfigurable antenna positioning. This…

信号处理 · 电气工程与系统科学 2025-09-17 Ze Wang , Guoping Zhang , Hongbo Xu , Wei Liu , Ming Zeng , Fang Fang , Dusit Niyato

Accurate single photoelectron (SPE) characterization of photosensors is essential for controlling systematic uncertainties in low-light neutrino and dark matter detectors. We present a compact laboratory setup for the characterization of…

Unique and highly tunable optical properties of PT-symmetric systems and metamaterials enable a plenty of entirely new linear and nonlinear optical phenomena with numerous applications, e.g., for designing subdiffraction lenses,…

光学 · 物理学 2019-04-15 Denis Novitsky , Alexander Shalin , Andrey Novitsky

We theoretically investigate the application of topological plasmon polaritons (TPPs) to temperature sensing for the first time. Based on an analogy of the topological edge states in the Su-Schrieffer-Heeger model, TPPs are realized in a…

光学 · 物理学 2020-07-22 B. X. Wang , C. Y. Zhao

Parity measurement is a key step in many entanglement generation and quantum error correction schemes. We propose a protocol for non-destructive parity measurement of two remote qubits, i.e., macroscopically separated qubits with no direct…

量子物理 · 物理学 2015-10-08 J. Govenius , Y. Matsuzaki , I. G. Savenko , M. Möttönen

While sensing in high temporal resolution is necessary for wide range of application, it is still limited nowadays due to cameras sampling rate. In this work we try to increase the temporal resolution beyond the Nyquist frequency, which is…

信号处理 · 电气工程与系统科学 2022-11-28 Khen Cohen , Dan Raviv , David Mendlovic

The increasing use of renewable generation, power electronic devices, and nonlinear loads in power systems brings more severe interharmonic tones to the measurand, which can increase estimation errors of P-class PMUs, cause misoperation of…

仪器与探测器 · 物理学 2021-10-20 Dongfang Zhao , Fuping Wang , Shisong Li , Lei Chen , Wei Zhao , Songling Huang

Mechanical resonances are used in a wide variety of devices; from smart phone accelerometers to computer clocks and from wireless communication filters to atomic force microscope sensors. Frequency stability, a critical performance metric,…

Near-field magnetic resonance wireless power transfer (WPT) technology has garnered significant attention due to its broad application prospects in medical implants, electric vehicles, and robotics. Addressing the challenges faced by…

应用物理 · 物理学 2025-05-13 Likai Wang , Yuqian Wang , Shengyu Hu , Yunhui Li , Hong Chen , Ce Wang , Zhiwei Guo

Parity-time (PT) symmetric optical sensors operating around exceptional points have recently gained much attraction, offering an unparalleled high sensitivity in measuring small perturbations. In the past, most of the PT-symmetric sensors…

光学 · 物理学 2022-08-16 Faiza Iftikhar , Raja Ahmad , M. Imran Cheema

We calculated the eigenvalues for a general N-channel coupled system with parity-time symmetry due to equal loss/gain. We found that the eigenspectrum displays a mixing of parity-time symmetric and broken phases, with N-2 of the eigenvalues…

量子物理 · 物理学 2023-08-16 Ege Özgün

A high-sensitivity wireless pressure sensor with active processing structure designed on the dielectric substrate has been present and evaluated in this paper. The sensor configuration has been optimized by computer-aided design to achieve…

仪器与探测器 · 物理学 2024-11-27 Baiyun Wang , Yijia Cheng , Yujie Hua , Wenxuan Tang , Wei E. I. Sha , Hao Xu , Kang Wang , Jundi Hu , Huaqing Fan , Huanran Peng , Gang Shao

With the growth of wearable devices, which are usually constrained in computational power and user interface, this pairing has to be autonomous. Considering devices that do not have prior information about each other, a secure communication…

密码学与安全 · 计算机科学 2021-07-27 Jafar Pourbemany , Ye Zhu , Riccardo Bettati

Many measurements on soft condensed matter (e.g., biological and materials) systems track low-dimensional observables projected from the full system phase space as a function of time. Examples are dynamic structure factors, spectroscopic…

统计力学 · 物理学 2021-02-03 Alessio Lapolla , Jeremy C. Smith , Aljaž Godec

In this article, we evaluate the performance of the parameterized spatial reuse (PSR) framework of IEEE 802.11ax, mainly focusing on its impact on transmission latency. Based on detailed standard-compliant system-level simulations, we…

网络与互联网体系结构 · 计算机科学 2020-08-18 Eloise de Carvalho Rodrigues , Adrian Garcia-Rodriguez , Lorenzo Galati Giordano , Giovanni Geraci

Synchrophasor technology is an emerging and developing technology for monitoring and control of wide area measurement systems (WAMS). In an elementary WAMS, two identical phasors measured at two different locations have difference in the…

信号处理 · 电气工程与系统科学 2025-04-15 Nisarg Trivedi

Late visions and trends for the future sixth Generation (6G) of wireless communications advocate, among other technologies, towards the deployment of network nodes with extreme numbers of antennas and up to terahertz frequencies, as means…

Conventional wireless power transfer systems are linear and time-invariant, which sets fundamental limitations on their performance, including a tradeoff between transfer efficiency and the level of transferred power. In this paper, we…

应用物理 · 物理学 2024-02-26 X. Wang , I. Krois , N. Ha-Van , M. S. Mirmoosa , P. Jayathurathnage , S. Hrabar , S. A. Tretyakov