相关实验视频
Updated: Jan 8, 2026

06:42
Generation and Coherent Control of Pulsed Quantum Frequency Combs
Published on: June 8, 2018
9.6K
潜在对称量子光子网络的自身模式
Jonas Himmel1, Max Ehrhardt1, Matthias Heinrich1
1Institute of Physics, University of Rostock, 18059 Rostock, Germany.
概括
光子系统中的潜在对称性,在真实空间中看不见,控制激发动态. 反对称激发受限,使其在光子信息处理中的潜在应用成为可能.
科学领域:
- 光子学 是一个光子学.
- 量子力学就是量子力学.
- 凝聚物质物理学 凝聚物质物理学
背景情况:
- 隐性对称存在于自身光谱领域,而不是现实空间.
- 这些对称性为设计光子系统功能提供了新的方法.
研究的目的:
- 研究潜在对称性对光子系统动态和自身模式的影响.
- 在隐形对称光子网络中探索经典和量子激发的行为.
主要方法:
- 研究了一个9位的潜伏对称光子网络.
- 实验证明了反对称激发的行为.
- 理论上研究了两光子量子激发.
主要成果:
- 经典的反对称激发不能在潜在对称网络中填充单点点位.
- 反对称激发被限制在系统内,因为保留了潜在的对称性.
- 对于两光子量子激发,隐性对称性和单点点位被维持.
结论:
- 潜在对称性为纳米光子系统提供了新的设计工具.
- 在光子信息处理中的应用是通过控制激发动态来实现的.
- 这些发现为先进的光子设备铺平了道路.
相关概念视频
Network Function of a Circuit
599
Frequency response analysis in electrical circuits provides vital insights into a circuit's behavior as the frequency of the input signal changes. The transfer function, a mathematical tool, is instrumental in understanding this behavior. It defines the relationship between phasor output and input and comes in four types: voltage gain, current gain, transfer impedance, and transfer admittance. The critical components of the transfer function are the poles and zeros.
599
Symmetry in Maxwell's Equations
4.1K
Once the fields have been calculated using Maxwell's four equations, the Lorentz force equation gives the force that the fields exert on a charged particle moving with a certain velocity. The Lorentz force equation combines the force of the electric field and of the magnetic field on the moving charge. Maxwell's equations and the Lorentz force law together encompass all the laws of electricity and magnetism. The symmetry that Maxwell introduced into his mathematical framework may not be...
4.1K
The de Broglie Wavelength
32.9K
In the macroscopic world, objects that are large enough to be seen by the naked eye follow the rules of classical physics. A billiard ball moving on a table will behave like a particle; it will continue traveling in a straight line unless it collides with another ball, or it is acted on by some other force, such as friction. The ball has a well-defined position and velocity or well-defined momentum, p = mv, which is defined by mass m and velocity v at any given moment. This is the typical...
32.9K
Network Covalent Solids
16.0K
Network covalent solids contain a three-dimensional network of covalently bonded atoms as found in the crystal structures of nonmetals like diamond, graphite, silicon, and some covalent compounds, such as silicon dioxide (sand) and silicon carbide (carborundum, the abrasive on sandpaper). Many minerals have networks of covalent bonds.
To break or to melt a covalent network solid, covalent bonds must be broken. Because covalent bonds are relatively strong, covalent network solids are typically...
To break or to melt a covalent network solid, covalent bonds must be broken. Because covalent bonds are relatively strong, covalent network solids are typically...
16.0K
Standing Waves in a Cavity
1.4K
A household microwave and lasers are examples of standing electromagnetic waves in a cavity. When two conducting metal plates are placed parallel at the nodal planes, it creates a cavity where standing waves are formed. The cavity between the two planes is analogous to a stretched string held at the points x = 0 and x = L. Here, the distance 'L' between the two planes must be an integer multiple of half of the wavelength. The wavelengths that satisfy this condition are given by:
1.4K
The Wave Nature of Light
60.6K
The nature of light has been a subject of inquiry since antiquity. In the seventeenth century, Isaac Newton performed experiments with lenses and prisms and was able to demonstrate that white light consists of the individual colors of the rainbow combined together. Newton explained his optics findings in terms of a "corpuscular" view of light, in which light was composed of streams of extremely tiny particles traveling at high speeds according to Newton's laws of motion.
60.6K

