TN911 2004064420 光纤色散参量对光孤子系统传输性能的影响=Effect of the fiber dispersion parameter on the performance of average-soliton transmission system[刊,中]/林洪榕(南京邮电学院通信工程系.江苏,南京(210003)).钱胜...TN911 2004064420 光纤色散参量对光孤子系统传输性能的影响=Effect of the fiber dispersion parameter on the performance of average-soliton transmission system[刊,中]/林洪榕(南京邮电学院通信工程系.江苏,南京(210003)).钱胜…∥光学学报.—2004,24(9).—1274-1278 采用计算机系统仿真方法研究光纤色散参量对应用相敏光放大器(PSA)作为在线放大器并采用平均孤子传输方案的光孤子通信系统传输性能的影响。研究结果表明,由于相敏光放大器增益的相敏特性,光纤色散导致孤子脉冲主瓣幅度下降,脉宽展宽,出现旁瓣。光纤色散值越大,经长距离传输后,孤子脉冲主瓣的幅度下降和脉宽展宽越显著;旁瓣的幅度越高,宽度越大。显然,对这种系统,要实现长距离传输,必须采用较低色散系统光纤。展开更多
TN929.1 2003064336光孤子通信技术的现状与未来=Present situation and futuretrend of optical soliton communication[刊,中]/蔡炬(南京邮电学院光信息技术系.江苏,南京(210003)),杨祥林∥半导体光电.-2003,24(1).-66-70回顾了光孤...TN929.1 2003064336光孤子通信技术的现状与未来=Present situation and futuretrend of optical soliton communication[刊,中]/蔡炬(南京邮电学院光信息技术系.江苏,南京(210003)),杨祥林∥半导体光电.-2003,24(1).-66-70回顾了光孤子通信研究的发展历程,介绍了普通光孤子通信及色散管理光孤子通信系统的构成、工作原理及其优点,然后介绍了国内外光孤子通信研究的现状及发展动向,最后介绍了实用化研究的进展和成果,并对其应用前景进行了展望。图2参15(严寒)TN929.11展开更多
TN929.11 97053284光孤子通信系统中滤波器的自动跟踪控制=Filter insoliton—based communication system and automaticfollow—up controlsystem[刊,中]/王辉(南京建筑工程学院.江苏,南京(210009)),杨祥林(东南大学电子工程系.江苏,...TN929.11 97053284光孤子通信系统中滤波器的自动跟踪控制=Filter insoliton—based communication system and automaticfollow—up controlsystem[刊,中]/王辉(南京建筑工程学院.江苏,南京(210009)),杨祥林(东南大学电子工程系.江苏,南京(210018))∥东南大学学报.—1996,26(3).—103—105提出了控制腔长的光强检测比较比,控制简单,易于实现,可靠性高,且采用单片机系统,通过软件的设计,达到了较高的跟踪精度。图3参4(严寒)TN929.11 97053285相移布喇格光栅滤波器的分析=Analysis of phase—shifted Bragg grating filter[刊,中]/曹顺湘(东南大学电子工程系.江苏,南京(210018))。展开更多
Firstly,the JME(Jones matrix eigen) method is used to simulate the statistical characteristics of first- and second-order PMD in dispersion management system. Then,with help of the CNLSE (coupled nonlinear Schrodin...Firstly,the JME(Jones matrix eigen) method is used to simulate the statistical characteristics of first- and second-order PMD in dispersion management system. Then,with help of the CNLSE (coupled nonlinear Schrodinger equations) ,the effects of PMD on DMS (dispersion managed soliton) transmission is studied with a variational method. The simplified relationships of the statistical parameters of second-order and first-order of PMD in dispersion management system have been gotten,from which the detailed information of second-order can be obtained, if the condition of DGD is given. The results have shown that the first and second-order PMD (polarization mode dispersion) vectors influence the evolution of energy and Mean square of time displacement of DMS in high-speed bit rates systems. When DPMD^1st〉0.3 ps/km^1/2 ,we must consider some means of control(for example the filter) to restrain the PMD.展开更多
文摘TN911 2004064420 光纤色散参量对光孤子系统传输性能的影响=Effect of the fiber dispersion parameter on the performance of average-soliton transmission system[刊,中]/林洪榕(南京邮电学院通信工程系.江苏,南京(210003)).钱胜…∥光学学报.—2004,24(9).—1274-1278 采用计算机系统仿真方法研究光纤色散参量对应用相敏光放大器(PSA)作为在线放大器并采用平均孤子传输方案的光孤子通信系统传输性能的影响。研究结果表明,由于相敏光放大器增益的相敏特性,光纤色散导致孤子脉冲主瓣幅度下降,脉宽展宽,出现旁瓣。光纤色散值越大,经长距离传输后,孤子脉冲主瓣的幅度下降和脉宽展宽越显著;旁瓣的幅度越高,宽度越大。显然,对这种系统,要实现长距离传输,必须采用较低色散系统光纤。
文摘TN929.1 2003064336光孤子通信技术的现状与未来=Present situation and futuretrend of optical soliton communication[刊,中]/蔡炬(南京邮电学院光信息技术系.江苏,南京(210003)),杨祥林∥半导体光电.-2003,24(1).-66-70回顾了光孤子通信研究的发展历程,介绍了普通光孤子通信及色散管理光孤子通信系统的构成、工作原理及其优点,然后介绍了国内外光孤子通信研究的现状及发展动向,最后介绍了实用化研究的进展和成果,并对其应用前景进行了展望。图2参15(严寒)TN929.11
文摘TN929.11 97053284光孤子通信系统中滤波器的自动跟踪控制=Filter insoliton—based communication system and automaticfollow—up controlsystem[刊,中]/王辉(南京建筑工程学院.江苏,南京(210009)),杨祥林(东南大学电子工程系.江苏,南京(210018))∥东南大学学报.—1996,26(3).—103—105提出了控制腔长的光强检测比较比,控制简单,易于实现,可靠性高,且采用单片机系统,通过软件的设计,达到了较高的跟踪精度。图3参4(严寒)TN929.11 97053285相移布喇格光栅滤波器的分析=Analysis of phase—shifted Bragg grating filter[刊,中]/曹顺湘(东南大学电子工程系.江苏,南京(210018))。
文摘Firstly,the JME(Jones matrix eigen) method is used to simulate the statistical characteristics of first- and second-order PMD in dispersion management system. Then,with help of the CNLSE (coupled nonlinear Schrodinger equations) ,the effects of PMD on DMS (dispersion managed soliton) transmission is studied with a variational method. The simplified relationships of the statistical parameters of second-order and first-order of PMD in dispersion management system have been gotten,from which the detailed information of second-order can be obtained, if the condition of DGD is given. The results have shown that the first and second-order PMD (polarization mode dispersion) vectors influence the evolution of energy and Mean square of time displacement of DMS in high-speed bit rates systems. When DPMD^1st〉0.3 ps/km^1/2 ,we must consider some means of control(for example the filter) to restrain the PMD.