最新刊期
      卷 ， 期 1 ， 2001
      • QI Jiang,QIAO Yiao jun,TANG Wei,CHI Nan,CHEN Shu qiang
        Issue 1, Pages: 1-4(2001) DOI: 10.13756/j.gtxyj.2001.01.001
        摘要：Considering the ever increasing demand for bandwidth in access networks and the limitations of the present WDM components, we proposed a new access network architecture incorporating both WDM and PS PON technologies, and presented an optimized implementation scheme for IP datagram transport in the PON.  
        关键词：PON;WDM;IP;MAC   
        2
        |
        94
        |
        1
        <HTML>
        <Meta-XML>
        <引用本文> <批量引用> 27507180 false
        发布时间：
      • SUN Jun
        Issue 1, Pages: 5-11(2001) DOI: 10.13756/j.gtxyj.2001.01.002
        摘要：This paper gives a summary of the design and operation of WDM optical transport networks. First, some basic concepts are described. Then different design problems and methods are presented. Finally, some operation algorithms of WDM optical transport networks are given and compared.  
        关键词：WDM;optical transport networks;wavelength routing;network design;network operation   
        2
        |
        58
        |
        1
        <HTML>
        <Meta-XML>
        <引用本文> <批量引用> 27507073 false
        发布时间：
      • CHENG Zhen jie,ZHENG Wen xiao,YU Chong xiu
        Issue 1, Pages: 12-15(2001) DOI: 10.13756/j.gtxyj.2001.01.003
        摘要：A new scheme of node power management in WDM all optical network is proposed, it considers both the intraband crosstalk and ASE noise. The analytical expressions of node isolation principle for different two detection points are given. The simulation calculation shows that the intraband crosstalk has an important limitation on signal quality and network scale while the selection of detection points gives little effect on the signal quality.  
        关键词：node isolation principle;power equalization;intraband crosstalk;amplified spontaneous emission （ASE） noise   
        3
        |
        32
        |
        1
        <HTML>
        <Meta-XML>
        <引用本文> <批量引用> 27507038 false
        发布时间：
      • TONG Zhi,JIANG Zhong ao,YAN Feng ping,JIAN Shui sheng
        Issue 1, Pages: 16-20(2001) DOI: 10.13756/j.gtxyj.2001.01.004
        摘要：This article introduces the structure of DWDM networks and some applications of fiber Bragg grating.  
        关键词：DWDM;AON;long period fiber grating;chirp grating;optical switching   
        3
        |
        211
        |
        37
        <HTML>
        <Meta-XML>
        <引用本文> <批量引用> 27507135 false
        发布时间：
      • YU Jian guo
        Issue 1, Pages: 21-23(2001) DOI: 10.13756/j.gtxyj.2001.01.005
        摘要：This paper propsed an idea that the optical network and IP network will develop parallelly for long time, analysed the important meaning of OXC and OADM in the future high speed information network,and pointed out that OXC,OADM,OTDM and OPS represent the development direction of future optical network.  
        关键词：OXC;OADM;OTDM;OPS   
        2
        |
        21
        |
        1
        <HTML>
        <Meta-XML>
        <引用本文> <批量引用> 27507147 false
        发布时间：
      • XU Rong,GONG Qian,JI Yue feng,YE Pei da
        Issue 1, Pages: 24-27(2001) DOI: 10.13756/j.gtxyj.2001.01.006
        摘要：The information explosion brought about limitless demand for bandwidth. The WDM system can not only meet such demand but also have advantages in networking. In this paper, we especially study the key technologies of WDM optical networking.  
        关键词：dense wavelength division multiplexing;WDM optical networking;all optical networking   
        4
        |
        73
        |
        1
        <HTML>
        <Meta-XML>
        <引用本文> <批量引用> 27507051 false
        发布时间：
      • LEI Fei
        Issue 1, Pages: 28-30(2001) DOI: 10.13756/j.gtxyj.2001.01.007
        摘要：Through analysis on the characteristics of multiplexed signals in DWDM system and the necessity of online spectrum monitoring, this paper proposed a technical scheme of online spectrum monitoring for F P interference filter. The good experiment results have been obtained and the online spectrum monitoring for 32×2.5 Gbit/s DWDM system has been realized.  
        关键词：WDM;F P interference filter;wavelength of channel;OSNR   
        2
        |
        38
        |
        2
        <HTML>
        <Meta-XML>
        <引用本文> <批量引用> 27507127 false
        发布时间：
      • CHEN Ji dong,LUO Fang liang,CHEN Xin qiao
        Issue 1, Pages: 31-35(2001) DOI: 10.13756/j.gtxyj.2001.01.008
        摘要：The article describes the structure of the optical packet switching node, then analysis the network feasibility in physical and logical aspects. We introduce a physical network including 40 network nodes with 160 Gbit/s throughput. The network could provide good quality of service （in packet loss rate and the packet transfer delay） and be compatible with a variety of services. This result paved the way for the research of flexible network based on all optical packet switching.  
        关键词：all optical network;packet switching;principle   
        2
        |
        50
        |
        2
        <HTML>
        <Meta-XML>
        <引用本文> <批量引用> 27507090 false
        发布时间：
      • LUO Fang liang,CHEN Ji dong,CHEN Xin qiao
        Issue 1, Pages: 36-37(2001) DOI: 10.13756/j.gtxyj.2001.01.009
        摘要：The article put forward a scheme of optical label switching based on sub carrier wave, and proposed a principle of label switching. As an effective way to solve electronic processing bottleneck, this scheme will make full use of electronic technology to deal with low speed label switching while maintaining the high speed and transparency properties of optical packet.  
        关键词：optical label;photon switching;optical network   
        2
        |
        20
        |
        0
        <HTML>
        <Meta-XML>
        <引用本文> <批量引用> 27507155 false
        发布时间：
      • LIU Guo si 1,LIU Wen dong 1,ZHOU Hao qiang 1,SUN Jing bo 2
        Issue 1, Pages: 38-40(2001) DOI: 10.13756/j.gtxyj.2001.01.010
        摘要：This paper analysed the manufacturing errors of encoder /decoder of OCDMA and the effects on system’s BER. The research results indicated that for both the optical spectrum encoding system and the time encoding system, the errors of encoder/decoder will cause the degradation of SNR and increase of BER; the influence of these errors on the optical spectrum encoding system is more serious than that on the time encoding system, in addition, the optical encoding system can accommodate more users and have lower BER than that in the time encoding system.  
        关键词：OCDMA;time encoding;optical spectrum encoding;error of the encoder/decoder;BER;SNR   
        2
        |
        50
        |
        1
        <HTML>
        <Meta-XML>
        <引用本文> <批量引用> 27507165 false
        发布时间：
      • LUO lai rong,CHENG Xiao fei,JI Yue feng,GU Wan yi,XU Da xiong
        Issue 1, Pages: 41-46(2001) DOI: 10.13756/j.gtxyj.2001.01.011
        摘要：The peformance requirements and the algorith of in band FEC are analyzed. The SDH frame structure with in band FEC is studied in detail. Some proposals for developing the Chinese high speed SDH system are given at the end of this paper.  
        关键词：forward error correction;in band FEC;SDH frame   
        2
        |
        88
        |
        1
        <HTML>
        <Meta-XML>
        <引用本文> <批量引用> 27507100 false
        发布时间：
      • YANG Da wei
        Issue 1, Pages: 47-51(2001) DOI: 10.13756/j.gtxyj.2001.01.012
        摘要：This paper introduces the basic principle of SDH,the method to transport broadcast and television with SDH,and its application in the network of broadcast and television in Jiangsu Province.  
        关键词：SDH;broadcast and television;optical fiber;network   
        2
        |
        32
        |
        0
        <HTML>
        <Meta-XML>
        <引用本文> <批量引用> 27507082 false
        发布时间：
      • DING Guo qing,DENG Zhu bin
        Issue 1, Pages: 52-55(2001) DOI: 10.13756/j.gtxyj.2001.01.013
        摘要：As the function of the extinction ratio of 2.5 Gbit/s optical transmiter modules, the optical receiver module’s sensitivity for standard use are mearsured. The experiment shows that as the extinction ratio is less than 9.0, the optical receiver module has lower sensitivity; with the extinction ratio between 9.0 and 12.0, the sensitivity keeps good and, when the extinction ratio is higher than 15.0, the sensitivity become worse due to the low across point in eye diagram or the distortion of optical pulses.  
        关键词：extinction ratio;optical receiver sensitivity;eye diagram   
        5
        |
        201
        |
        1
        <HTML>
        <Meta-XML>
        <引用本文> <批量引用> 27507065 false
        发布时间：
      • ZHOU Chun
        Issue 1, Pages: 56-57(2001) DOI: 10.13756/j.gtxyj.2001.01.014
        摘要：The optical fiber for access networks of low cost, high rate and high capacity in metropolitan area can meet the requirements of the future system design. The WideLight TM is an idear new type optical fiber for metropolitan area networks.  
        关键词：metropolitan area network（MAN）;fiber system cost;new type optical fiber   
        3
        |
        26
        |
        2
        <HTML>
        <Meta-XML>
        <引用本文> <批量引用> 27507120 false
        发布时间：
      • ZHAO Xu,WANG Ming hua
        Issue 1, Pages: 58-62(2001) DOI: 10.13756/j.gtxyj.2001.01.015
        摘要：The paper presents the sorts, features and applications of semiconductor all optical switches. According to their structures, the switches can be divided into planar type and waveguide type. According to their operation principles, they can be divided into phase shift type and frequency shift type. The high efficiency of all optical switching has been proved in 100 Gbit/s optical transmission experiment.  
        关键词：OTDM;all optical switching;semiconductor all optical switch   
        2
        |
        186
        |
        8
        <HTML>
        <Meta-XML>
        <引用本文> <批量引用> 27507111 false
        发布时间：
      • Issue 1, Pages: 62(2001)
          
        2
        |
        74
        |
        0
        <HTML>
        <Meta-XML>
        <引用本文> <批量引用> 27507036 false
        发布时间：
      0