共查询到20条相似文献,搜索用时 62 毫秒
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在O-RPR(optical resitient packet ring)光弹性分组环的基础上分析了在双环耦合全光缓存器这一基于半导体光放大器(SOA)的光控器件中要顺利实现数据的读写控制对光控制层功率提出的要求及其影响因素,讨论了由于信号光脉冲形状不是理想方波而造成的啁啾及脉冲压缩现象,分析了控制光功率波动及其信噪比对输出数据造成的影响. 得到的结论对其他基于SOA的光控器件同样具有借鉴意义.
关键词:
O-RPR光弹性分组环
基于SOA的光控器件
双环耦合全光缓存器
控制层光功率 相似文献
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基于一种高生存性RPR网络的路由研究 总被引:1,自引:0,他引:1
由标准弹性分组环衍生出的高生存性RPR网络弥补了单环结构中带宽浪费,利用率不高的缺点。基于此多环RPR网络提出了一种路由算法,它将网络中源节点到目的节点的路由过程转换成对相邻节点参考距离的选择,适应了网络的高生存性的特点。通过OPNET完成对路由算法模型的仿真,证明该算法实现了高生存性RPR网络的路由功能,而且具有转发跳数少,路由表结构简单,网络开销小等特点。 相似文献
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报道了光分组交换网络中基于多组光正交码组合光标签的识别与接收实验,光标签采用了码长为19,码重为3的2组光正交码组合光标签方案.给出了基于多组光正交码光标签的光分组交换网络(MOOC-OPS)基本原理,通过分析指出在MOOC-OPS网络中处理多组在时域上非连续、随机、突发光标签是现实MOOC-OPS关键技术之一.设计出了基于展宽网络和放大器级联方式接收多组低功率窄脉冲(MOOC-OPS网络的光标签)的实验方案,完成了实验电路板制作与实验验证.实验结果表明成功地实现了MOOC-OPS网络中周期为2ns基于多组光正交码光标签脉冲的识别接收,验证了该方案的可行性. 相似文献
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《Fiber and Integrated Optics》2008,27(1):24-34
A tunable add/drop filter based on Cascaded Mach Zehnder (CMZ) coupler using SiO2/silicon oxinitride (SiON) is presented with its mathematical model. The increase of filtered width (i.e., free spectral response) and lowering of crosstalk for this filter are optimized using its mathematical model with truncated binomial coupler distribution. The number of wavelength channels with 100 GHz (0.8 nm) channel spacing for 5-stage (M = 9, r = 2) truncated binomial CMZ filter with index contrast ∼5% at -20 dB crosstalk and the bending loss of 0.1 dB per MZ section are obtained as ∼37 (free spectral range of 31 nm). It is seen that if during the fabrication process, waveguide core width w is increased or decreased by 0.1 μm (in percentage terms ∼±6.6%), the crosstalk is slightly increased by ∼7%. Thermal tuning for wavelength channels is achieved by thin film heater with low power thermooptic delay line structure which reduces the heating power by ∼1.58 times in comparison to the conventional structure. 相似文献
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P. P. Sahu 《Fiber and Integrated Optics》2013,32(1):24-34
Abstract A tunable add/drop filter based on Cascaded Mach Zehnder (CMZ) coupler using SiO2/silicon oxinitride (SiON) is presented with its mathematical model. The increase of filtered width (i.e., free spectral response) and lowering of crosstalk for this filter are optimized using its mathematical model with truncated binomial coupler distribution. The number of wavelength channels with 100 GHz (0.8 nm) channel spacing for 5-stage (M = 9, r = 2) truncated binomial CMZ filter with index contrast ~5% at ?20 dB crosstalk and the bending loss of 0.1 dB per MZ section are obtained as ~37 (free spectral range of 31 nm). It is seen that if during the fabrication process, waveguide core width w is increased or decreased by 0.1 μm (in percentage terms ~±6.6%), the crosstalk is slightly increased by ~7%. Thermal tuning for wavelength channels is achieved by thin film heater with low power thermooptic delay line structure which reduces the heating power by ~1.58 times in comparison to the conventional structure. 相似文献
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基于VCSEL的高速光收发模块研究 总被引:2,自引:0,他引:2
基于垂直腔面发射激光器(VCSEL)的高速光模块在现代光通信系统中的应用已越来越广泛。本文在简单介绍光收发模块和VCSEL器件的基础上,着重讨论了GBIC模块的总体设计和主要技术关键。 相似文献
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Jinlin He Xiaohan Sun Mingde Zhang 《International Journal of Infrared and Millimeter Waves》2000,21(1):57-62
By using the coupled-mode theory and F-matrix method, the transmission spectra of apodized phase-shifted LPFGs are calculated and analyzed. A novel configuration of OADM is proposed for flexible multiple wavelengths add-drop based on cascaded phase-shifted LPFGs filters with apodization technique. 相似文献
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Yihong Chen 《光学学报》2003,23(Z1)
Erbium doped fiber amplifier, Raman amplifier, and semiconductor optical amplifier are discussed. The applications of these amplifiers are reviewed. 相似文献