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Proceedings of 2001 3rd International Conference on Transparent Optical Networks (IEEE Cat. No.01EX488)最新文献

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Optical gain enhancement in PBG structure with active n-i-p-i superlattice 有源n-i-p-i超晶格PBG结构的光学增益增强
Proceedings of 2001 3rd International Conference on Transparent Optical Networks (IEEE Cat. No.01EX488) Pub Date : 2001-06-18 DOI: 10.1109/ICTON.2001.934723
I. Nefedov, V. Gusyatnikov, Y. Morozov, M. Marciniak, V. Kononenko, Dmitrii Ushakov
{"title":"Optical gain enhancement in PBG structure with active n-i-p-i superlattice","authors":"I. Nefedov, V. Gusyatnikov, Y. Morozov, M. Marciniak, V. Kononenko, Dmitrii Ushakov","doi":"10.1109/ICTON.2001.934723","DOIUrl":"https://doi.org/10.1109/ICTON.2001.934723","url":null,"abstract":"In a certain spectral range the extinction coefficient K in n-i-p-i layers becomes negative at the high excitation levels. It results in the appearance of the light amplification. The extinction coefficient in n-i-p-i layers depends on the wavelength and the difference in the quasi-Fermi levels /spl Delta/F. We considered the model, when a pump, which can be electrical as well as optical, excites uniformly all active layers and calculated light transmission characteristics versus /spl Delta/F which is the same within all active layers. In the present work we consider the optical mechanism of the pump, and solve the nonlinear problem of the pump light propagation through the photonic band gap (PBG) structure and the linear problem of a probe light transmission through the same structure with excited active layers.","PeriodicalId":301018,"journal":{"name":"Proceedings of 2001 3rd International Conference on Transparent Optical Networks (IEEE Cat. No.01EX488)","volume":"30 2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114050579","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
Pulse power limiting in a waveguide with non-linear Bragg grating 非线性布拉格光栅波导的脉冲功率限制
Proceedings of 2001 3rd International Conference on Transparent Optical Networks (IEEE Cat. No.01EX488) Pub Date : 2001-06-18 DOI: 10.1109/ICTON.2001.934716
E. Becker, T. Benson, P. Sewell, L. Romanova, L. Melnikov
{"title":"Pulse power limiting in a waveguide with non-linear Bragg grating","authors":"E. Becker, T. Benson, P. Sewell, L. Romanova, L. Melnikov","doi":"10.1109/ICTON.2001.934716","DOIUrl":"https://doi.org/10.1109/ICTON.2001.934716","url":null,"abstract":"The limiting operation of a waveguide with non-linear Bragg grating embedded is demonstrated via numerical simulations of pulse propagation through the structure. The time-domain beam propagation method is applied to solve the scalar wave equation for the pulse envelope.","PeriodicalId":301018,"journal":{"name":"Proceedings of 2001 3rd International Conference on Transparent Optical Networks (IEEE Cat. No.01EX488)","volume":"79 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134495156","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
Optical properties of tapered laser cavities 锥形激光腔的光学特性
Proceedings of 2001 3rd International Conference on Transparent Optical Networks (IEEE Cat. No.01EX488) Pub Date : 2001-06-18 DOI: 10.1109/ICTON.2001.934717
S. Snjecki, J. Wykes, P. Sewell, T. Benson, E. Larkins
{"title":"Optical properties of tapered laser cavities","authors":"S. Snjecki, J. Wykes, P. Sewell, T. Benson, E. Larkins","doi":"10.1109/ICTON.2001.934717","DOIUrl":"https://doi.org/10.1109/ICTON.2001.934717","url":null,"abstract":"The properties of a tapered semiconductor laser cavity utilised for the generation of a high power, good quality optical beam are investigated. In particular the influence of the straight section width and length as well as the angle and length of the tapered section on the overall performance of the cavity are studied. In order to solve the wave equation, the wide angle beam propagation method has been applied. The computer memory requirements are relaxed by the use of higher order finite difference schemes.","PeriodicalId":301018,"journal":{"name":"Proceedings of 2001 3rd International Conference on Transparent Optical Networks (IEEE Cat. No.01EX488)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130335780","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: 11
Grating filter in photorefractive multiple quantum well slab 光折变多量子阱板中的光栅滤波器
Proceedings of 2001 3rd International Conference on Transparent Optical Networks (IEEE Cat. No.01EX488) Pub Date : 2001-06-18 DOI: 10.1109/ICTON.2001.934741
E. Weinert-Rączka, M. Wichtowski
{"title":"Grating filter in photorefractive multiple quantum well slab","authors":"E. Weinert-Rączka, M. Wichtowski","doi":"10.1109/ICTON.2001.934741","DOIUrl":"https://doi.org/10.1109/ICTON.2001.934741","url":null,"abstract":"A photorefractive grating induced in a slab waveguide based on semi-insulating AlGaAs/GaAs multiple quantum well structure with electric field applied along the quantum well planes is analysed. It is shown that such a grating can be used for frequency selective reflection and deflection of guided modes.","PeriodicalId":301018,"journal":{"name":"Proceedings of 2001 3rd International Conference on Transparent Optical Networks (IEEE Cat. No.01EX488)","volume":"2016 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121610653","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
Role of random frequency fluctuations in radiation line shaping for semiconductor laser under pseudorandom pulsed operation 伪随机脉冲作用下半导体激光器随机频率波动对辐射线形的影响
Proceedings of 2001 3rd International Conference on Transparent Optical Networks (IEEE Cat. No.01EX488) Pub Date : 2001-06-18 DOI: 10.1109/ICTON.2001.934722
Y. Morozov, I. Nefedov, V.N. Gusyatnikov
{"title":"Role of random frequency fluctuations in radiation line shaping for semiconductor laser under pseudorandom pulsed operation","authors":"Y. Morozov, I. Nefedov, V.N. Gusyatnikov","doi":"10.1109/ICTON.2001.934722","DOIUrl":"https://doi.org/10.1109/ICTON.2001.934722","url":null,"abstract":"It is well known that, on the creation of dynamically single-mode distributed feedback (DFB) heterolasers (HL), the principal and physically inevitable factor restricting the fiber-optics links transmission length is the finite spectrum spread of the HL. Due to the chromatic dispersion of fiber resulting in a relative temporal shift of spectral signal components, the emission lineshape is distorted which leads, in its turn, to the transmission malfunction. This paper presents for the first time the numerically calculated results for the estimation of frequency fluctuations role in shaping of a single-mode HL radiation spectrum under the current pseudorandom pulsed modulation. We apply to the analysis the novel approach that has been earlier used to study the dynamics and spectral density of the HL intensity fluctuations under pulsed operation.","PeriodicalId":301018,"journal":{"name":"Proceedings of 2001 3rd International Conference on Transparent Optical Networks (IEEE Cat. No.01EX488)","volume":"66 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126289953","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
Non-uniform amplifying Bragg gratings' computer simulation by the method of single expression 单表达式法非均匀放大布拉格光栅的计算机模拟
Proceedings of 2001 3rd International Conference on Transparent Optical Networks (IEEE Cat. No.01EX488) Pub Date : 2001-06-18 DOI: 10.1109/ICTON.2001.934738
H. Baghdasaryan, T.M. Knyazvan, S.G. Dashyan
{"title":"Non-uniform amplifying Bragg gratings' computer simulation by the method of single expression","authors":"H. Baghdasaryan, T.M. Knyazvan, S.G. Dashyan","doi":"10.1109/ICTON.2001.934738","DOIUrl":"https://doi.org/10.1109/ICTON.2001.934738","url":null,"abstract":"It is well-known that for the realization of narrow-band optical filters, multilayer and modulated media are used. Including amplification in such media gives the possibilities to obtain narrow-band optical amplification. In the present paper non-uniform fiber Bragg gratings (FBGs) are the subject of investigation. The devices, which rely on a combination of narrow-band filtering and amplifying properties, will find application in contemporary DWDM systems.","PeriodicalId":301018,"journal":{"name":"Proceedings of 2001 3rd International Conference on Transparent Optical Networks (IEEE Cat. No.01EX488)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128875777","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
Impact of apodisation on fiber Bragg grating reflection and phase responses 消光对光纤光栅反射和相位响应的影响
Proceedings of 2001 3rd International Conference on Transparent Optical Networks (IEEE Cat. No.01EX488) Pub Date : 2001-06-18 DOI: 10.1109/ICTON.2001.934772
J. Ciosmak, M. Marciniak
{"title":"Impact of apodisation on fiber Bragg grating reflection and phase responses","authors":"J. Ciosmak, M. Marciniak","doi":"10.1109/ICTON.2001.934772","DOIUrl":"https://doi.org/10.1109/ICTON.2001.934772","url":null,"abstract":"The paper presents the impact of the apodisation of the profile of refractive index changes on fiber Bragg grating reflection and phase characteristics. The evaluation was performed on the basis of a describing function, with the use of the coupled modes theory for aperiodic structures. The nonuniform profile of the modulated refractive index was applied as a means of side bands reduction.","PeriodicalId":301018,"journal":{"name":"Proceedings of 2001 3rd International Conference on Transparent Optical Networks (IEEE Cat. No.01EX488)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124314206","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
A nonlinear lightguide as a transmission medium of ultrashort chirped hyperbolic secant shape and rectangular pulses 非线性光波导作为超短啁啾双曲正割形状和矩形脉冲的传输介质
Proceedings of 2001 3rd International Conference on Transparent Optical Networks (IEEE Cat. No.01EX488) Pub Date : 2001-06-18 DOI: 10.1109/ICTON.2001.934771
T. Kaczmarek, C. Kaczmarek
{"title":"A nonlinear lightguide as a transmission medium of ultrashort chirped hyperbolic secant shape and rectangular pulses","authors":"T. Kaczmarek, C. Kaczmarek","doi":"10.1109/ICTON.2001.934771","DOIUrl":"https://doi.org/10.1109/ICTON.2001.934771","url":null,"abstract":"The propagation of ultrashort chirped hyperbolic secant shape and rectangular pulses in a nonlinear lossless fiber is considered. Nonlinear Schrodinger equation is solved numerically for complex initial conditions using the split-step Fourier and the beam propagation methods. It is demonstrated that a hyperbolic secant shape pulse is less sensitive to destructive influence of the initial chirp than a rectangular pulse.","PeriodicalId":301018,"journal":{"name":"Proceedings of 2001 3rd International Conference on Transparent Optical Networks (IEEE Cat. No.01EX488)","volume":"180 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132897150","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
Availability model of bidirectional line switched ring 双向线路交换环的可用性模型
Proceedings of 2001 3rd International Conference on Transparent Optical Networks (IEEE Cat. No.01EX488) Pub Date : 2001-06-18 DOI: 10.1109/ICTON.2001.934778
I. Rados, P. Turalija, T. Sunarić
{"title":"Availability model of bidirectional line switched ring","authors":"I. Rados, P. Turalija, T. Sunarić","doi":"10.1109/ICTON.2001.934778","DOIUrl":"https://doi.org/10.1109/ICTON.2001.934778","url":null,"abstract":"This paper analyzes the availability of a bidirectional line switched ring (BLSR). Some reasons for the introduction of synchronous digital hierarchy are listed as well as a survey of protection mechanisms development. The main concepts related to availability are defined as well as the availability of serial and parallel structures. Further, the working principle is explained and analysis of BLSR availability is made. The availability model of the nodes is examined and their influence is analysed as well as the influence of optical cable availability to the total availability of a 2 Mb/s signal between two nodes inside BLSR. Calculation of the availability of BLSR is made using data pertaining to the failures of optical cables and equipment which are obtained during years-long observation of the SDH network of HPT Mostar as well as those obtained from manufacturers.","PeriodicalId":301018,"journal":{"name":"Proceedings of 2001 3rd International Conference on Transparent Optical Networks (IEEE Cat. No.01EX488)","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122884864","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: 10
Investigation of pair optical soliton propagation in dispersion managed fiber link with two numerical methods 用两种数值方法研究色散管理光纤链路中对光孤子的传播
Proceedings of 2001 3rd International Conference on Transparent Optical Networks (IEEE Cat. No.01EX488) Pub Date : 2001-06-18 DOI: 10.1109/ICTON.2001.934762
A. Gomilko, A.A. Gourjii, V.B. Katok, V.G. Levandovskyy
{"title":"Investigation of pair optical soliton propagation in dispersion managed fiber link with two numerical methods","authors":"A. Gomilko, A.A. Gourjii, V.B. Katok, V.G. Levandovskyy","doi":"10.1109/ICTON.2001.934762","DOIUrl":"https://doi.org/10.1109/ICTON.2001.934762","url":null,"abstract":"We consider two methods for analyzing soliton impulses propagation in dispersion managed communication lines described by a nonlinear differential equation. The first method is the split-step Fourier method (SSFM), and the second one is a modification of the Runge-Kutta method (RK). The obtained results show that the SSFM and the RK are perspective methods for numerical simulation and optimization of high-speed long-distance soliton transmission links.","PeriodicalId":301018,"journal":{"name":"Proceedings of 2001 3rd International Conference on Transparent Optical Networks (IEEE Cat. No.01EX488)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127800408","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: 4
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