Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Propagation Speed of Electromagnetic Waves01:30

Propagation Speed of Electromagnetic Waves

3.4K
Electromagnetic waves are consistent with Ampere's law. Assuming there is no conduction current Ampere's law is given as:
3.4K
Electromagnetic Waves01:30

Electromagnetic Waves

8.6K
James Clerk Maxwell formulated a single theory combining all the electric and magnetic effects scientists knew during that time, calling the phenomena his theory predicted “Electromagnetic waves”. He brought together all the work that had been done by brilliant physicists such as Oersted, Coulomb, Gauss, and Faraday and added his own insights to develop the overarching theory of electromagnetism. Maxwell’s equations, combined with the Lorentz force law, encompass all the laws...
8.6K
Generating Electromagnetic Radiations01:10

Generating Electromagnetic Radiations

2.9K
The German physicist Heinrich Hertz (1857–1894) was the first to generate and detect certain types of electromagnetic waves in the laboratory. Starting in 1887, he performed a series of experiments that confirmed the existence of electromagnetic waves and verified that they travel at the speed of light. Hertz used an alternating-current RLC (resistor-inductor-capacitor) circuit that resonated at a known frequency and connected it to a loop of wire. High voltages induced across the gap in...
2.9K
Standing Electromagnetic Waves01:15

Standing Electromagnetic Waves

1.5K
Electromagnetic waves can be reflected; the surface of a conductor or a dielectric can act as a reflector. As electric and magnetic fields obey the superposition principle, so do electromagnetic waves. The superposition of an incident wave and a reflected electromagnetic wave produces a standing wave analogous to the standing waves created on a stretched string.
Suppose a sheet of a perfect conductor is placed in the yz-plane, and a linearly polarized electromagnetic wave traveling in the...
1.5K
Speed of a Transverse Wave01:13

Speed of a Transverse Wave

1.5K
The speed of a wave depends on the characteristics of the medium. For example, in the case of a guitar, the strings vibrate to produce the sound. The speed of the waves on the strings and the wavelength determine the frequency of the sound produced. The strings on a guitar have different thicknesses but may be made of similar material. They have different linear densities, and the linear density is defined as the mass per length.
One of the key properties of any wave is the wave speed. Light...
1.5K
Intensity Of Electromagnetic Waves01:22

Intensity Of Electromagnetic Waves

4.5K
The energy transport per unit area per unit time, or the Poynting vector, gives the energy flux of an electromagnetic wave at any specific time. For a plane electromagnetic wave with E0 and B0 as the peak electric and magnetic fields and traveling along the x-axis, the time-varying energy flux can be given by the following equation:
4.5K

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Relationship Between Long-Term Exposure to Airborne Particulate Matter and the Intrinsic Capacity of Middle-Aged and Older Adults in China: A Retrospective Cohort Study Based on CHARLS.

Clinical and experimental pharmacology & physiology·2026
Same author

Targeting CD4⁺ T cell infiltration: mechanisms and therapeutic insights into CD4⁺ T cell transmigration across the blood-brain barrier in acute ischemic stroke.

Fluids and barriers of the CNS·2026
Same author

Cascade Sensor Array Involving Nanozyme with Glycoside Hydrolase-like Activity for the Accurate Identification of Six Aminoglycosides.

Analytical chemistry·2026
Same author

Research on the separation of capture and inelastic scattering gamma-ray spectra in prompt gamma neutron activation analysis technology based on direct-current neutron generators.

The Review of scientific instruments·2026
Same author

IPathWS: An Integrated Scalable System for Explainable Pathology Diagnosis with Spectral Heterogeneity Engine Networks.

IEEE transactions on pattern analysis and machine intelligence·2026
Same author

Leveraging interpretable machine learning to identify sarcopenia in middle-aged and older adults with intrinsic capacity decline: an analysis of CHARLS data under AWGS 2025.

BMC medical informatics and decision making·2026
Same journal

Erratum: Bacterial Turbulence at Compressible Fluid Interfaces [Phys. Rev. Lett. 136, 138301 (2026)].

Physical review letters·2026
Same journal

Unveiling Light-Quark Yukawa Flavor Structure via Dihadron Fragmentation at Lepton Colliders.

Physical review letters·2026
Same journal

Adaptable Route to Fast Coherent State Transport via Bang-Bang-Bang Protocols.

Physical review letters·2026
Same journal

Topological Transition and Emergence of Elasticity of Dislocation in Skyrmion Lattice: Beyond Kittel's Magnetic-Polar Analogy.

Physical review letters·2026
Same journal

Pound-Drever-Hall Method for Superconducting-Qubit Readout.

Physical review letters·2026
Same journal

Coupling a ^{73}Ge Nuclear Spin to an Electrostatically Defined Quantum Dot in Silicon.

Physical review letters·2026
查看所有相关文章

相关实验视频

Updated: Jun 28, 2025

Generation and Coherent Control of Pulsed Quantum Frequency Combs
06:42

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Published on: June 8, 2018

9.0K

高速量子无线电频率超光通信

Shaocong Liang1, Jialin Cheng1, Jiliang Qin1,2

  • 1State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Opto-Electronics, Shanxi University, Taiyuan 030006, People's Republic of China.

Physical review letters
|April 19, 2024
PubMed
概括
此摘要是机器生成的。

量子密度编码 (QDC) 使用一个量子位传输两个经典位,以实现高容量,安全的通信. 这项研究展示了一种20 Mbps的量子无线电频率超过光的方案,为实用网络推进QDC.

更多相关视频

Quasi-light Storage for Optical Data Packets
07:45

Quasi-light Storage for Optical Data Packets

Published on: February 6, 2014

10.8K
Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit
05:30

Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit

Published on: September 8, 2023

542

相关实验视频

Last Updated: Jun 28, 2025

Generation and Coherent Control of Pulsed Quantum Frequency Combs
06:42

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Published on: June 8, 2018

9.0K
Quasi-light Storage for Optical Data Packets
07:45

Quasi-light Storage for Optical Data Packets

Published on: February 6, 2014

10.8K
Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit
05:30

Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit

Published on: September 8, 2023

542

科学领域:

  • 量子信息科学 量子信息科学
  • 光学通信是指光学通信.
  • 量子密码学 量子密码学

背景情况:

  • 量子密度编码 (QDC) 通过将两个经典位编码为一个量子位,使高容量的信息传输和增强的安全性成为可能.
  • 探索连续变量的QDC,以提高通信速率和与现有的经典系统集成.

研究的目的:

  • 提出并通过实验证明使用QDC的高速度量子射频超光 (RFOL) 通信方案.
  • 为了实现QDC应用程序的实际通信速率.

主要方法:

  • 使用纠量子状态实现一个QDC方案.
  • 数字调制与RFOL通信技术的整合.
  • 拟议的高速通信方案的实验演示.

主要成果:

  • 基于高速度QDC的RFOL通信方案的成功实验演示.
  • 实现了20 Mbps的实际通信速率.
  • 验证了该方案与传统通信系统无集成的潜力.

结论:

  • 展示的方案将量子技术与现实世界通信系统结合起来,使QDC向实际应用迈进.
  • 这项工作为通过高速量子通信增强大都会通信网络提供了前景.
  • 该研究强调了光通信系统中连续变量的QDC的潜力.