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Proceedings of 2002 4th International Conference on Transparent Optical Networks (IEEE Cat. No.02EX551)最新文献

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Opto-thermal frequency control of diode pumped microlasers 二极管泵浦微激光器的光热频率控制
Proceedings of 2002 4th International Conference on Transparent Optical Networks (IEEE Cat. No.02EX551) Pub Date : 2002-08-07 DOI: 10.1109/ICTON.2002.1009552
A. Antończak, M. Woźnica, K. Abramski
{"title":"Opto-thermal frequency control of diode pumped microlasers","authors":"A. Antończak, M. Woźnica, K. Abramski","doi":"10.1109/ICTON.2002.1009552","DOIUrl":"https://doi.org/10.1109/ICTON.2002.1009552","url":null,"abstract":"The pump-induced changes of refractive index in the microchip laser allow tuning, modulation and control its frequency. We investigated two configurations of microchip lasers (Nd:YVO/sub 4/ and Nd:YAG @ 1064 nm) with 808 nm pumping. The pump-induced tunability of microchip lasers was found to be on the level of tens MHz/mW. The offset frequency between two microchip lasers could be stabilised for hours applying only /spl plusmn/5%-changes of pumping power. Using this technique of control, we improved long term laser frequency stability up to three orders.","PeriodicalId":126085,"journal":{"name":"Proceedings of 2002 4th International Conference on Transparent Optical Networks (IEEE Cat. No.02EX551)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125962302","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
An optical packet switch design with shared electronic buffering and low bit rate add/drop inputs 具有共享电子缓冲和低比特率添加/丢弃输入的光分组交换机设计
Proceedings of 2002 4th International Conference on Transparent Optical Networks (IEEE Cat. No.02EX551) Pub Date : 2002-08-07 DOI: 10.1109/ICTON.2002.1009513
S. Bjornstad, D. Hjelme, N. Stol
{"title":"An optical packet switch design with shared electronic buffering and low bit rate add/drop inputs","authors":"S. Bjornstad, D. Hjelme, N. Stol","doi":"10.1109/ICTON.2002.1009513","DOIUrl":"https://doi.org/10.1109/ICTON.2002.1009513","url":null,"abstract":"An optical packet switch design using optical switching and shared electronic buffering is described and analyzed. The electronic buffering and add/drop unit allows random memory access, variable packet length, and aggregation/segregation of low bit rate streams. The design is scalable to a large number of wavelengths, and employs contention resolution by using the wavelength dimension combined with electronic buffering. The number of buffer inputs, i.e. the number of optoelectronic conversions, is minimized. The packet loss and delay performance when using fixed packet length and electronic buffering are investigated by simulation. If the link utilization is moderate, the buffering requirements becomes minimal. If number of wavelengths in the link is increased, the number of buffer inputs can be reduced. With a sufficiently high number of wavelengths, the buffer requirements is minimal, even when the link utilization is high.","PeriodicalId":126085,"journal":{"name":"Proceedings of 2002 4th International Conference on Transparent Optical Networks (IEEE Cat. No.02EX551)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121887154","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: 27
Dispersion-flattened properties of high-index-core Bragg fibers 高折射率芯布拉格光纤的色散平坦化特性
Proceedings of 2002 4th International Conference on Transparent Optical Networks (IEEE Cat. No.02EX551) Pub Date : 2002-08-07 DOI: 10.1109/ICTON.2002.1007852
J. Monsoriu, E. Silvestre, A. Ferrando, P. Andrés
{"title":"Dispersion-flattened properties of high-index-core Bragg fibers","authors":"J. Monsoriu, E. Silvestre, A. Ferrando, P. Andrés","doi":"10.1109/ICTON.2002.1007852","DOIUrl":"https://doi.org/10.1109/ICTON.2002.1007852","url":null,"abstract":"We study the group-velocity-dispersion properties of a novel class of Bragg fibers. These new structures are radially-symmetric microstructured fibers having a high-index core (silica in our case) surrounded by a cylindrical multilayer omnidirectional mirror as cladding, which is formed by a set of alternating layers of silica and a lower refractive-index dielectric. The interplay between the unusual geometric dispersion behavior shown by the multilayered cladding of the fiber and the material dispersion corresponding to the silica core allows us to establish a procedure to design flattened dispersion profiles. In this work we focus our attention on achromatic flattened dispersion fibers in the 0.8 /spl mu/m wavelength window and even on ultraflattened structures about the 1.5 /spl mu/m interval. We include configurations owning positive, negative, and nearly-zero dispersion in both wavelength ranges.","PeriodicalId":126085,"journal":{"name":"Proceedings of 2002 4th International Conference on Transparent Optical Networks (IEEE Cat. No.02EX551)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125506289","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
Nonlinear effects of pulse propagation in glass and glass-metal microstructured fibers 脉冲在玻璃和玻璃金属微结构光纤中传播的非线性效应
Proceedings of 2002 4th International Conference on Transparent Optical Networks (IEEE Cat. No.02EX551) Pub Date : 2002-08-07 DOI: 10.1109/ICTON.2002.1007864
E. Becker, L. Melnikov
{"title":"Nonlinear effects of pulse propagation in glass and glass-metal microstructured fibers","authors":"E. Becker, L. Melnikov","doi":"10.1109/ICTON.2002.1007864","DOIUrl":"https://doi.org/10.1109/ICTON.2002.1007864","url":null,"abstract":"Using time-domain finite-difference beam propagation method we simulate pulse propagation in the microstructured fibers taking into account the effects of second and third order nonlinearities. We optimize the fibers configuration for effective second and difference harmonics generation, power limiting and pulse compression.","PeriodicalId":126085,"journal":{"name":"Proceedings of 2002 4th International Conference on Transparent Optical Networks (IEEE Cat. No.02EX551)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125529829","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
Dimensioning of a transport network being robust to changes of the traffic pattern 对交通模式变化具有鲁棒性的运输网络的维数
Proceedings of 2002 4th International Conference on Transparent Optical Networks (IEEE Cat. No.02EX551) Pub Date : 2002-08-07 DOI: 10.1109/ICTON.2002.1009510
C. Mauz
{"title":"Dimensioning of a transport network being robust to changes of the traffic pattern","authors":"C. Mauz","doi":"10.1109/ICTON.2002.1009510","DOIUrl":"https://doi.org/10.1109/ICTON.2002.1009510","url":null,"abstract":"The planning and dimensioning of circuit-switched networks is investigated where the expected traffic pattern is uncertain. To model the vagueness, the static traffic matrix is replaced by a matrix with random variables for the predicted traffic. With the choice of the distribution for these variables, a scenario of different realizations may be characterized. A measure for the accuracy of the prediction is introduced. An algorithm for the dimensioning of the necessary network resources for realizations of this random process is presented and discussed. A case study for a pan-European network is performed.","PeriodicalId":126085,"journal":{"name":"Proceedings of 2002 4th International Conference on Transparent Optical Networks (IEEE Cat. No.02EX551)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127224941","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: 9
Investigation of effect shifting normalized cutoff frequency of a round light guide with negative profile volume 负廓形体积圆导光导的归一化截止频率效应漂移研究
Proceedings of 2002 4th International Conference on Transparent Optical Networks (IEEE Cat. No.02EX551) Pub Date : 2002-08-07 DOI: 10.1109/ICTON.2002.1009554
M. Kotenko
{"title":"Investigation of effect shifting normalized cutoff frequency of a round light guide with negative profile volume","authors":"M. Kotenko","doi":"10.1109/ICTON.2002.1009554","DOIUrl":"https://doi.org/10.1109/ICTON.2002.1009554","url":null,"abstract":"In the submitted research was probed a cutoff frequency shift for fundamental mode of a round lightguide with complicate refractive index profile and negative profile volume. The analysis of a electrodynamic characteristics of round lightguide is used for calculation by the stratification method. The dependence of a cutoff frequency shift of the HE/sub 11/ and TE/sub 01/-modes from profile parameters is explored. The influence of the index profile shape on a single-mode range is appreciated. The W-similar profile and profile with two depressed layers were analysed.","PeriodicalId":126085,"journal":{"name":"Proceedings of 2002 4th International Conference on Transparent Optical Networks (IEEE Cat. No.02EX551)","volume":"72 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127496677","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
The PICCO project: a survey PICCO项目:一项调查
Proceedings of 2002 4th International Conference on Transparent Optical Networks (IEEE Cat. No.02EX551) Pub Date : 2002-08-07 DOI: 10.1109/ICTON.2002.1007830
Richard M. De La Rue, T. Krauss
{"title":"The PICCO project: a survey","authors":"Richard M. De La Rue, T. Krauss","doi":"10.1109/ICTON.2002.1007830","DOIUrl":"https://doi.org/10.1109/ICTON.2002.1007830","url":null,"abstract":"This presentation will provide a limited overview of work carried out in the multi-partner PICCO (photonic integrated circuits by crystal optics) project. In particular, the III-V material system used in PICCO is the AlGaAs/GaAs material system. In the PICCO project, the approach used for lithographic pattern definition has been, so far, primarily the 'conventional' one, i.e. direct-write electron-beam lithography. But, at the outset, our recognition of the need for a genuinely mass-production approach has led to work on excimer-laser based photolithography, with high-precision masks giving a replicative approach.","PeriodicalId":126085,"journal":{"name":"Proceedings of 2002 4th International Conference on Transparent Optical Networks (IEEE Cat. No.02EX551)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128000692","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
Development of three-dimensional photonic crystals in the infrared wavelength region by micromanipulation method 红外波段三维光子晶体的微操作研究
Proceedings of 2002 4th International Conference on Transparent Optical Networks (IEEE Cat. No.02EX551) Pub Date : 2002-08-07 DOI: 10.1109/ICTON.2002.1007835
K. Aoki, Hidetoshi Miyazaki
{"title":"Development of three-dimensional photonic crystals in the infrared wavelength region by micromanipulation method","authors":"K. Aoki, Hidetoshi Miyazaki","doi":"10.1109/ICTON.2002.1007835","DOIUrl":"https://doi.org/10.1109/ICTON.2002.1007835","url":null,"abstract":"We demonstrate a novel fabrication technique that has the potential to realize intricate three-dimensional photonic devices. Photonic crystals were fabricated by stacking two-dimensional photonic plates by micromanipulation. Accurate periodicity was maintained by using fiducial holes, which were prepared in the frame of photonic plates, and polystyrene microspheres as stoppers. With this method, up to two periods (eight layers) of woodpile structures with a periodicity of 1.4 /spl mu/m and a pile width of 0.37 /spl mu/m were fabricated. With this technique, the accurate alignment of lattice can be achieved automatically regardless of how complicated the photonic crystal structure is. Thus, this technique is suitable for fabricating complex structures. The fabricated crystals were evaluated based on their optical properties. In the measurements of transmittance, a dip appeared in the supposed wavelength region (3-5 /spl mu/m), and its intensity become stronger as the number of layers increased. In the measurements of reflectance, a peak appeared at the same wavelength. These results indicate that the obtained crystals are fine enough for developing an optical stopband in infrared wavelength region.","PeriodicalId":126085,"journal":{"name":"Proceedings of 2002 4th International Conference on Transparent Optical Networks (IEEE Cat. No.02EX551)","volume":"181 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121256012","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
Phase synchronism possibility in optical fibers 光纤中相位同步的可能性
Proceedings of 2002 4th International Conference on Transparent Optical Networks (IEEE Cat. No.02EX551) Pub Date : 2002-08-07 DOI: 10.1109/ICTON.2002.1009546
A. Lerer, G. Kalinchenko, D. Zelenchuk
{"title":"Phase synchronism possibility in optical fibers","authors":"A. Lerer, G. Kalinchenko, D. Zelenchuk","doi":"10.1109/ICTON.2002.1009546","DOIUrl":"https://doi.org/10.1109/ICTON.2002.1009546","url":null,"abstract":"Optical fiber with Bragg grating inserted in fiber cladding is analyzed by means of volume integral equation method (VIE). Complex dispersion curves with two branches corresponding to positive and negative dispersion are simulated. The fiber parameters matched to phase synchronism conditions for weak Pockels-like nonlinearity are found.","PeriodicalId":126085,"journal":{"name":"Proceedings of 2002 4th International Conference on Transparent Optical Networks (IEEE Cat. No.02EX551)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125334344","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
Theoretical investigation of transverse modes in photonic crystal surface-emitting lasers 光子晶体表面发射激光器横向模式的理论研究
Proceedings of 2002 4th International Conference on Transparent Optical Networks (IEEE Cat. No.02EX551) Pub Date : 2002-08-07 DOI: 10.1109/ICTON.2002.1007872
P. Ivanov, H. Unold, R. Michalzik, F. Mederer, J. Maehnss, K. Ebeling, I. Sukhoivanov
{"title":"Theoretical investigation of transverse modes in photonic crystal surface-emitting lasers","authors":"P. Ivanov, H. Unold, R. Michalzik, F. Mederer, J. Maehnss, K. Ebeling, I. Sukhoivanov","doi":"10.1109/ICTON.2002.1007872","DOIUrl":"https://doi.org/10.1109/ICTON.2002.1007872","url":null,"abstract":"Selected results of a numerical analysis of the spatial part of the optical mode in photonic crystal surface-emitting lasers (PCSELs) is introduced. It is shown that such a structure provides different propagation constants for different spatial modes which can result in larger optical feedback for LP/sub 01/ optical mode in comparison with other modes guided by the photonic crystal defect.","PeriodicalId":126085,"journal":{"name":"Proceedings of 2002 4th International Conference on Transparent Optical Networks (IEEE Cat. No.02EX551)","volume":"276 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120871451","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
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