Proceedings of 2003 5th International Conference on Transparent Optical Networks, 2003.最新文献

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Security model and authentication protocol in EPON-based optical access network 基于epn的光接入网安全模型与认证协议
Sunsik Roh, Su-Hyun Kim
{"title":"Security model and authentication protocol in EPON-based optical access network","authors":"Sunsik Roh, Su-Hyun Kim","doi":"10.1109/ICTON.2003.1264588","DOIUrl":"https://doi.org/10.1109/ICTON.2003.1264588","url":null,"abstract":"An EPON (Ethernet passive optical network), which is progressing to standardization in IEEE 802.3ah, consists of an OLT (optical line termination) and multiple ONUs (optical network units) using passive optical components. This network is susceptible to various security threats, such as eavesdropping, masquerading, denial of service, and so on. We propose a security model and a security protocol to support authentication in an EPON based optical access network. We analyze security threats and security models in the EPON reference model. After considering these models, we propose that an encryption layer is placed at the RS layer. The paper proposes an authentication protocol based on public key exchange and a key establishment protocol. User authentication and ONU authentication are performed separately to give efficient key management and a strong authentication service.","PeriodicalId":272700,"journal":{"name":"Proceedings of 2003 5th International Conference on Transparent Optical Networks, 2003.","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-06-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127691516","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 20
Vertical-cavity surface-emitting laser for mid-infrared generation 用于中红外产生的垂直腔面发射激光器
Y. Morozov, I. Nefedov, V. Aleshkin
{"title":"Vertical-cavity surface-emitting laser for mid-infrared generation","authors":"Y. Morozov, I. Nefedov, V. Aleshkin","doi":"10.1109/ICTON.2003.1264624","DOIUrl":"https://doi.org/10.1109/ICTON.2003.1264624","url":null,"abstract":"The model of laser making use of GaAs/AlGaAs structure lattice nonlinearity for mid-infrared emission is proposed. Here, two-frequency near-infrared simultaneous oscillations are mixed in vertical-cavity surface-emitting device. The power of mid-infrared emission at wavelength about 10 /spl mu/m is shown to be 0.1-1 /spl mu/W in continuous wave operation.","PeriodicalId":272700,"journal":{"name":"Proceedings of 2003 5th International Conference on Transparent Optical Networks, 2003.","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-06-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116915533","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Optical experiments on 3D photonic crystals 三维光子晶体的光学实验
F. Koenderink, W. Vos
{"title":"Optical experiments on 3D photonic crystals","authors":"F. Koenderink, W. Vos","doi":"10.1109/ICTON.2003.1264565","DOIUrl":"https://doi.org/10.1109/ICTON.2003.1264565","url":null,"abstract":"Photonic crystals are optical materials that have an intricate structure with length scales of the order of the wavelength of light. The flow of photons is controlled in a manner analogous to how electrons propagate through semiconductor crystals, i.e., by Bragg diffraction and the formation of band structures. If the interaction between light and matter is made strong, multiple diffraction and multiple scattering effects dominate. A main research goal is the realization of a \"photonic band gap\", that is, a frequency range for which no light can propagate in a crystal in any direction, which causes radical modifications of the density of radiative states. Important consequences of photonic band gaps are the complete control over spontaneous and stimulated emission of light, as well as over the propagation of light, in particular photon localization. This opens up the possibility to achieve a \"cage for light\": trap photons and do with them whatever one chooses. In this talk we will also review means for making such structures, and recent experimental advances in optical experiments.","PeriodicalId":272700,"journal":{"name":"Proceedings of 2003 5th International Conference on Transparent Optical Networks, 2003.","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-06-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114437412","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Influence of hole shape on the modal characteristics of holey fibres 孔形对多孔纤维模态特性的影响
E. Bekker, T. Benson, P. Sewell, L. Melnikov
{"title":"Influence of hole shape on the modal characteristics of holey fibres","authors":"E. Bekker, T. Benson, P. Sewell, L. Melnikov","doi":"10.1109/ICTON.2003.1264618","DOIUrl":"https://doi.org/10.1109/ICTON.2003.1264618","url":null,"abstract":"An extension of localized function method is described. This enables the influence of the shapes of holes on the dispersion and polarization characteristics of the eigen-modes of holey fibres to be considered. It is demonstrated that the effect of hole shape on these characteristic parameters increases with angle sharpness and air fraction. Furthermore elongated holes can be used to control birefringence.","PeriodicalId":272700,"journal":{"name":"Proceedings of 2003 5th International Conference on Transparent Optical Networks, 2003.","volume":"134 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-06-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117319765","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
The method of lines for the calculation of band structures in photonic crystals 计算光子晶体能带结构的谱线法
S. Helfert
{"title":"The method of lines for the calculation of band structures in photonic crystals","authors":"S. Helfert","doi":"10.1109/ICTON.2003.1264593","DOIUrl":"https://doi.org/10.1109/ICTON.2003.1264593","url":null,"abstract":"The method of lines a semivectorial algorithm is applied to the computation of band-structures in photonic crystals. The algorithm is used for the examination of square lattices of rods in air. The determined results are compared with other methods showing a good agreement.","PeriodicalId":272700,"journal":{"name":"Proceedings of 2003 5th International Conference on Transparent Optical Networks, 2003.","volume":"344 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-06-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124315017","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Nonlinear optical fiber: transmission medium of ultrashort chirped pulses 非线性光纤:超短啁啾脉冲的传输介质
T. Kaczmarek
{"title":"Nonlinear optical fiber: transmission medium of ultrashort chirped pulses","authors":"T. Kaczmarek","doi":"10.1109/ICTON.2003.1263134","DOIUrl":"https://doi.org/10.1109/ICTON.2003.1263134","url":null,"abstract":"Generation of fundamental soliton in nonlinear optical fiber from chirped pulses of different initial shapes will be discussed. Results of numerical calculations having in view solution of Nonlinear Schrodinger Equation for complex initial condition using Split-Step Fourier Method will be presented. Initial shape-dependent critical value of the chirp parameter will be determined. Critical value is such a value of the chirp parameter at which generation of soliton in optical fiber is impossible.","PeriodicalId":272700,"journal":{"name":"Proceedings of 2003 5th International Conference on Transparent Optical Networks, 2003.","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-06-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121839367","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Leaky modes approach to quantum effects in photonic crystals 光子晶体中量子效应的漏模研究
A. Orłowski, M. Rusek
{"title":"Leaky modes approach to quantum effects in photonic crystals","authors":"A. Orłowski, M. Rusek","doi":"10.1109/ICTON.2003.1264652","DOIUrl":"https://doi.org/10.1109/ICTON.2003.1264652","url":null,"abstract":"A novel self-consistent approach to spontaneous emission of excited atoms placed in a viscinity of photonic crystals is elaborated. It is based on the leaky modes formalism first developed in quantum electrodynamics of imperfect cavities. A new way of estimating the density of states within and outside the (nonideal) photonic crystals is presented.","PeriodicalId":272700,"journal":{"name":"Proceedings of 2003 5th International Conference on Transparent Optical Networks, 2003.","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-06-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122074801","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Large optical anisotropy in the structure of 1D photonic crystal fabricated by vertical etching of silicon 硅垂直刻蚀制备的一维光子晶体结构具有较大的光学各向异性
A.D. Remenyuk, E. Astrova, T. Perova, V. Tolmachev, J. Vij, A. Moore
{"title":"Large optical anisotropy in the structure of 1D photonic crystal fabricated by vertical etching of silicon","authors":"A.D. Remenyuk, E. Astrova, T. Perova, V. Tolmachev, J. Vij, A. Moore","doi":"10.1109/ICTON.2003.1264631","DOIUrl":"https://doi.org/10.1109/ICTON.2003.1264631","url":null,"abstract":"Periodic structures of deep narrow grooves with vertical walls were prepared by liquid anisotropic etching of silicon. It has been shown experimentally that the obtained media possess properties of negative uniaxial crystal whose optical axis lies in the wafer plane. The media has huge optical anisotropy in the middle IR spectral range. Difference in effective refractive indicies of the ordinary and the extraordinary rays /spl Delta/n is as about 1,5.","PeriodicalId":272700,"journal":{"name":"Proceedings of 2003 5th International Conference on Transparent Optical Networks, 2003.","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-06-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131351778","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Optical add/drop multiplexers and optical cross-connects for wavelength routed networks 波长路由网络的光加/丢多路复用器和光交叉连接
A. Tzanakaki, I. Zacharopoulos, Ioannis Tomkos
{"title":"Optical add/drop multiplexers and optical cross-connects for wavelength routed networks","authors":"A. Tzanakaki, I. Zacharopoulos, Ioannis Tomkos","doi":"10.1109/ICTON.2003.1264574","DOIUrl":"https://doi.org/10.1109/ICTON.2003.1264574","url":null,"abstract":"WDM optical communication systems are evolving from simple point-to-point links to complex network architectures. In wavelength routed networks switching is performed through optical add/drop multiplexer (OADM) and optical cross-connect (OXC) nodes. These nodes provide provisioning capabilities as well as protection and restoration at the optical layer. Routing and management of the traffic demands are applied through the generalised multiprotocol label switching (GMPLS) a control plane offering intelligence at the optical layer. A central subject of debate has been the comparison of optical and electrical switching technologies, however transparent solutions offer attractive features associated with reduced unnecessary optoelectronic conversions supporting transparent networks with reduced capital and operational cost. A number of different OADM and OXC architectures based on various technologies have been proposed to date. A detailed discussion on the different architecture and technology choices supporting a variety of features are given and specific design and implementation examples are analysed. The impact of impairments introduced by transparent elements present in the network, such as OADM and/or optical switches, is discussed and optimised solutions introducing low penalties proposed. In addition, the use of novel modulation formats improving the concatenation performance of such elements is covered.","PeriodicalId":272700,"journal":{"name":"Proceedings of 2003 5th International Conference on Transparent Optical Networks, 2003.","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-06-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128475158","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 51
Failure detection for secure optical networks 安全光网络的故障检测
Carmen Mas Machuca, Ioannis Tomkos
{"title":"Failure detection for secure optical networks","authors":"Carmen Mas Machuca, Ioannis Tomkos","doi":"10.1109/ICTON.2003.1264582","DOIUrl":"https://doi.org/10.1109/ICTON.2003.1264582","url":null,"abstract":"Network security has become a very sensitive and important topic for manufacturers and network operators. In opaque optical networks, fault management deals with detection and isolation of faults based on the alarms received from the network components. In WDM networks, faults are difficult to identify due to the huge quantity of alarms generated because of the high number of channels involved in a single fault. In transparent optical networks, where no O/E/O conversion takes place, detecting and isolating faults becomes even more complex, since the optical signal is not regenerated and, therefore, the information reaching the manager is more limited. We define failure management as the prevention of, detection of, and reaction against failures (faults and attacks). Besides faults (accidental interruptions), optical networks can also be subject to attacks (intentional interruptions which can be performed by service disruption or eavesdropping). The paper presents in detail the techniques and methods of fault management. In addition, it covers the challenges associated with failure management in transparent optical networks.","PeriodicalId":272700,"journal":{"name":"Proceedings of 2003 5th International Conference on Transparent Optical Networks, 2003.","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-06-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127840358","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
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