相关实验视频
Updated: Aug 2, 2026

17:14
Compact Quantum Dots for Single-molecule Imaging
Published on: October 9, 2012
18.1K
低损耗,紧,纤维集成电池用于量子记忆
Optics express
|June 11, 2024
概括
研究人员开发了一种用于量子技术的紧型空心光纤 (HCF) 电池. 这种低损耗组件可以与单模式光纤 (SMF) 集成,使量子内存和光学交换中的应用成为可能.
科学领域:
- 光子学 是一个光子学.
- 量子技术 量子技术 是一个量子技术.
- 光学工程是指光学工程.
背景情况:
- 空心光纤 (HCF) 对于光与物质的接口至关重要.
- 将HCF与标准单模式纤维 (SMF) 集成,在模式匹配和损失减少方面提出了挑战.
- 现有的HCF-SMF合方法可能很复杂,可能不稳固.
研究的目的:
- 为开发用于光子量子应用的SMF集成的低损耗,紧的HCF电池.
- 为了证明高效的模式匹配,并最大限度地减少SMF-HCF接口上的插入损失.
- 为量子内存和光学交换提供耐用且易于集成的组件.
主要方法:
- 使用分级索引纤维来实现SMF和HCF之间的高效模式匹配.
- 在SMF-HCF接口上涂上反射涂层,以尽量减少光学损失.
- 开发了用于界面表征的数值建模方法,避免了有限元模拟.
- 将HCF核心封装在一个支持毛细血管中,以提高耐用性和集成性.
主要成果:
- 在780nm波长下实现了0.6(2) dB的低总插入损失.
- 通过分级索引纤维合证明了高效模式匹配.
- 提出了用于界面分析的验证数值模型.
- 通过支毛细管成功将HCF细胞与SMF集成.
结论:
- 开发的HCF电池为光子量子技术提供了低损耗和紧的解决方案.
- 集成方法提高了耐用性,并简化了将其纳入现有光纤平台.
- 该组件适用于高级应用,如量子内存和全光学切换.
相关概念视频
Long-term Potentiation
Long-term potentiation, or LTP, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTP is the process of synaptic strengthening that occurs over time between pre- and postsynaptic neuronal connections. The synaptic strengthening of LTP works in opposition to the synaptic weakening of long-term depression (LTD) and together are the main mechanisms that underlie learning and memory.
Batteries and Fuel Cells
A battery is a galvanic cell that is used as a source of electrical power for specific applications. Modern batteries exist in a multitude of forms to accommodate various applications, from tiny button batteries such as those that power wristwatches to the very large batteries used to supply backup energy to municipal power grids. Some batteries are designed for single-use applications and cannot be recharged (primary cells), while others are based on conveniently reversible cell reactions that...
MOS Capacitor
A Metal-Oxide-Semiconductor (MOS) capacitor is a fundamental structure used extensively in semiconductor device technology, particularly in the fabrication of integrated circuits and MOSFETs (metal-oxide-semiconductor field-effect transistors). The MOS capacitor consists of three layers: a metal gate, a dielectric oxide, and a semiconductor substrate.
The metal gate is typically made from highly conductive materials such as aluminum or polysilicon. Beneath the metal gate lies a thin layer of...
The metal gate is typically made from highly conductive materials such as aluminum or polysilicon. Beneath the metal gate lies a thin layer of...
Electrochemical Cells
Electrochemical cells are systems that convert chemical energy into electrical energy or use electrical energy to drive chemical reactions. They consist of two electrodes in contact with an electrolyte, where redox reactions enable electron transfer. Most electrochemical cells include two half-cells connected by an external wire for electron flow and a salt bridge for ion flow. The salt bridge contains an electrolyte solution and maintains charge neutrality by allowing ions—not electrons—to...
Chunking
Chunking is a powerful cognitive technique that improves short-term memory retention by organizing information into smaller, more manageable units. The brain, limited by working memory capacity, can more easily process and store information when it is divided into "chunks" rather than presented as discrete, unrelated elements. Chunking is especially useful when dealing with large amounts of information, such as numerical sequences, words, or complex ideas.
The principle behind chunking is...
The principle behind chunking is...
Mnemonic Devices
Mnemonic devices are cognitive tools that facilitate memory retention by linking new information to familiar patterns or organizational strategies. These techniques are beneficial for remembering complex or lengthy sets of information by simplifying and structuring them in easily retrievable ways.
Acronyms
Acronyms are created by using the initial letters of a series of words to form a new word or phrase. This approach condenses complex information into a single, memorable entity. For example,...
Acronyms
Acronyms are created by using the initial letters of a series of words to form a new word or phrase. This approach condenses complex information into a single, memorable entity. For example,...

