光开关是光交换等系统中的关键器件。
Optical switch is the key component in optical switching system.
光交换是一种宽带交换技术。
光交换技术LIT ？
光交换网络的性能主要由其核心交换节点决定。
The performance of an optical switching network is mainly determined by its core node structure.
光交换技术是未来全光网络(AON)中的关键技术。
Photonic switching is a key technology in the future All Optical Network (AON).
多播调度算法是DWDM多播光交换网的核心、关键技术。
Multicast scheduling algorithm is a core technology in DWDM multicast optical switching networks.
在高速实时的光交换系统中有时分、空分和频分主三种交换方式。
Three different architectures (time, space and frequency-division) are used in high speed and real time switching systems.
双稳态激光器作为光交换、光逻辑运算的一种重要部件得到了广泛的研究。
Thus, as a key device used in optical switching and optical logic, bi-stable laser has been widely studied.
文章针对切换时延不为零的光交换调度提出了一种新算法———2近似启发算法。
Authors presents a new 2-approximation heuristic algorithm to schedule optical packet switches with configuration delay.
光互连与光交换系统的实现有赖于光开关，光探测器，激光器等光电子器件的进展。
The implement of optical interconnection and optical switching lies on the development of optical switch, photodetector (PD), laser etc.
光交换技术由于其高带宽、低延时的特点，被认为是下一代的交换网络中的交换技术。
Having the characteristics of high data band and low time delay, optical switch technology is considered as a technology for the next generation network.
提出基于光交换互连系统(otis)网络结构的矩阵乘并行算法，分析它的时间复杂性。
A parallel algorithm for matrix multiplication based on optical transpose interconnection system (OTIS) network is proposed, and the time complexity is analyzed.
光开关是光网络中完成全光交换的核心器件，它的研究日益成为全光通信领域关注的焦点。
In all optical networks, as the kernel part of instruments used to accomplish all optical interchange, optical switch is being a focus of research in all optical communication.
该设计将先进的光交换与现有技术相结合，有可能为大容量光交换机的实现提供一条快捷的路径。
This design combines the advanced optical switching with present technologies, it is possible to offer a short-cut to realize tremendous capacity optical switching.
光网络将在3个领域进行演进：高容量的光交换，超长途解决方案和基于ASTN的网状网网络架构。
The light network will carry on the evolution in 3 domains: High-capacity light exchange, ultra long-distance solution and based on ASTN netted network overhead construction.
讨论了基于半导体激光放大器的波长转换器，它是光交换块中的关键元件，也是未来光通信系统中的关键元件。
Optical Wavelength converters based on semiconductor laser amplifiers are discussed, which is key components in photonic switching blocks, and also necessary devices in future optical communication.
随着光纤通信技术的进步和密集波分复用(DWDM)系统的应用，全光交换已经成为当前光网络的发展趋势。
All optical exchange scheme has been the trend of modern optical network with the development of optical communication system and application of Dense Wavelength-Division Multiplexing (DWDM).
重点介绍了波分复用(WDM)光纤网络的特点、通过选择光波长实现光交换的原理、WDM星形和环形光网络的构成等。
The emphasis is on the characteristics of WDM fiber optic network, the principle of optical switching by selecting wavelength. At last the WDM star and ring networks are addressed as an example.
波导类光开关以其高速的特性将在全光交换系统中得到广泛应用，因此研制高性能的波导型光开关单元有其重要性和迫切性。
Due to high switching speed, waveguide optical switch will be applied widely to optical switching systems. It is urgent and important to develop waveguide optical switch with high performance.
因此，变革传统的“光-电-光”信息交换方式，在网络节点上实施全光交换和全光信号处理是本世纪以来的全球研究热点，也是当务之急。
Therefore it is a world-wide hot topic and urgent affair to implement all-optical switching and all-optical signal processing in optical network nodes since the beginning of this century.
仿真是通信网络技术研究中一种非常有效的分析手段，但对于光突发交换（OBS）这种新型的光交换技术，目前还缺乏一种通用的仿真模型。
Simulation is an effective method in the research of communication networks, but to the OBS technology, which is pretty new in optical switching, at present no general simulation model has been seen.
现在，物理学家们已经可以在光粒子—光子—或者原子之间交换信息，只要这些粒子一个挨着一个。
Already, physicists have been able to exchange information between light particles - or photons - or between atoms, so long as they were right next to each other.
在光突发交换(OBS)网络中，数据信道调度算法是提高网络性能的重要措施之一。
In optical burst switching (OBS) networks, the data channel scheduling algorithm is one of the key measures to improve the network performance.
光分组交换技术的引入，改善了带宽的利用率和网络的灵活性，延伸了光的透明性。
The introduction of OPS has improved the use rate of bandwidth and flexibility of network, extended the optical transparency.
光分组交换以其较小的交换粒度，高速的交换速度，对各种上层协议的支持成为解决光网络电子瓶颈的最理想方案。
Optical packet switching becomes a best solution of conquering electronic bottleneck owing to smaller switching granularity, higher switching speed and the support to the upper protocol.
光分组交换由于缺乏高速光逻辑器件、光缓冲存储器等，因此还处于研究阶段。
OPS still is placed in to study the stage because of lacking of the high-speed optical logic device and optical buffer.
为了降低WDM网络中光域传输和交换的成本，人们提出了波带交换(WBS)技术，并对此进行了大量的研究。
In order to reduce the switching and transmission cost in the optical domain of WDM networks, WaveBand switching (WBS) has been proposed, for which considerable research has been conducted.
评述了光抽运和自旋交换碰撞中角动量转移和损失的物理。
This article reviews the physics of angular momentum transfer and loss in optical pumping and spin-exchanging collisions.
在光突发交换网络的核心路由器中，多等级业务会由于选择路由的不同而采用不同的概率选择输出端口进行输出。
In the core router for optical burst switching network, multi-classes traffic wilt use differential probability to choose output port for transmission due to the choosing of different routing.
在光突发交换网络的边缘节点，如何为各待发数据包分配信道资源，是光突发交换网络中的关键问题。
At the edge node, how to arrange the channel resource for burst packets, is the key item for optical burst switching network.
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