The criterion for observing optical bistability on the P ν curve of an ECLD has been established and the expression for the hysteresis loop width has been deduced.
利用外腔半导体激光器 (ECLD)在不同频率振荡所需的阈值载流子密度的表达式及相关的折射率表达式研究了它的双稳特性 ,由此导出了在外腔半导体激光器的P ν (功率 频率 )曲线上出现双稳的条件以及双稳环宽度的解析表达式。
Elementary exposition of stability and bistability in physical systems is presented and illustrated by nonlinear vibrations, gas\|liquid transition, ferromagnetic phase transition and optical bistability.
以力学系统 (非线性振动 ) ,热力学系统 (气液相变与铁磁相变 )及光学系统中的几种双稳现象为实例 ,采用初等方法阐明系统的稳定性与双稳的基本原
Based on modified rate equations, conditions for bistability in two segment semiconductor lasers have been deduced.
由此导出了两段式半导体激光器存在双稳的必要条件，计算结果表明，吸收区偏置电流对双稳条件影响极大，对具体器件而言，若增益区和吸收区隔离电阻不够大，几个ｍＡ的偏置电流泄露到吸收区就使器件难以产生双稳。
The external small signal amplification ability of the Bragg acoustooptical bistable system has been studied in this paper.
本文研究了B ragg声光双稳系统在稳区和非稳区对弱信号的放大作用,但在实验中并没有观察到文献[9]中理论所预言的系统在稳定区域内调制效应中对调制弱信号的放大作用。
The external small signal amplification ability of the Bragg acoustooptic bistable system has been studied in this paper: The behavior of High Frequency(HF) frequency spectrum, period-doubling bifurcation and the phenomenon frequency locking have been analyzed according to the difference-differential equation of the Bragg acoustooptic bistable system.
本文对Bragg型声光双稳系统在倍周期二岔点附近对外加弱信号的放大作用进行了探讨。
In this paper, taking advantage of the bistability of single-walled carbon nanotubes, we at first give a prototype design of nanoswitches which can serve as fundamental building blocks for the design of NEMS components or random access memory.
首先基于碳纳米管的结构双稳性提出了一种纳米开关的原型设计,其由关到开的转换可通过径向压缩实现;然后利用基于REBO-Ⅱ作用势的分子动力学模拟,系统分析了径向压缩单壁碳纳米管的力学行为和不同纳米管的双稳性特征,给出了一些纳米管双稳性的特征参数,对于工程设计具有一定的指导意义。
This paper studies two kinds of the slowing down in the bistability chemical reaction system,the one is the critical slowing down at the edges of bistable region and the bifurcation;the other is the slowing down ,which is far from the critical point.
从理论分析和计算模拟两方面对具有双稳性的化学反应中的慢化现象进行了研究。
Critical phenomena in laser system, in which optical bistability can occur, are studied with concrete examples and described by the mean field theory in detail.
通过实际事例研究了可能出现光学双稳性的激光系统中的临界现象,并且用平均场理论作详细描述。
We designed and manufactured an optical bistability waveguide device based on nonlinear one-dimensional photonic crystal used CdS_xSe_(1-x) doped glass.
利用非线性折射率系数较大且非线性时间响应较快的CdSxSe1-x玻璃为材料,设计并制备了非线性一维光子晶体波导光双稳器件,该器件的折射率空间分布呈正弦形式。
An optical bistability waveguide device based on nonlinear one-dimensional photonic crystal used doped glass was designed and manufactured.
本文利用非线性折射率较大且非线性响应时间较快的玻璃为材料,设计并制备了非线性一维光子晶体波导光双稳器件,该器件的折射率空间分布呈正弦形式。
It also can be made into optical bistability device.
本文采用非线性折射率较大的自散焦介质和,设计和制备了叠层共20个周期的非线性一维光子晶体器件,在理论和实验上研究了器件的光开关和光双稳特性。
The feedback control of stochastic resonance in bistable system;
双稳系统随机共振的反馈控制
Effects of memory kernel on relaxation time of a bistable system driven by cross-correlated noises;
记忆核对关联噪声驱动的双稳系统驰豫时间的影响
Study on stochastic resonance in bistable system;
双稳系统中随机共振现象的研究
The defect mode and bistability in the nonlinear Bragg microcavity composed of one-dimension photonic crystal;
一维光子晶体非线性微腔的缺陷模和双稳态
Study on the Bistability of Nonlinear Bragg Microcavity;
非线性Bragg微腔的双稳态研究
It is found that the threshold intensity of nonlinear bistability of the one dimensional photonic crystal with dispersive media is much lower than that without dispersive media.
在光学双稳态中 ,与仅含非线性媒质的光子晶体相比 ,得到了低得多的阈值入射光强。
Study on intrinsic optical bistability in Tm-doped laser crystal pumped at 648 nm avalanche wavelength;
648 nm激光雪崩抽运掺Tm晶体的本征光学双稳特性研究
Temperature effects of optical bistability of metal/dielectric granular composites;
金属/电介质颗粒复合介质光学双稳的温度效应
Based on Maxwell-Garnett approximation and the spectral representation,we calculate numerically the electric field <|E 1| 2>s a function of the applied electric field E 2 0,and thus the optical bistability can be studied.
利用Maxwell Garnett近似 ,结合谱表示方法 ,理论研究了金属 绝缘颗粒复合介质的光学双稳特性随环境温度的依赖关系 。
electrical bistable characteristic.
在STM针尖和导电AFM针尖电场作用下这种纳米线(棒)具有电双稳特性,预期在纳米电子学方面有广泛的应用前景。