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5th International Workshop on Laser and Fiber-Optical Networks Modeling, 2003. Proceedings of LFNM 2003.最新文献

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Modeling of self-sustained pulsations in surface-emitting injection lasers 表面发射注入激光器中自持续脉动的建模
5th International Workshop on Laser and Fiber-Optical Networks Modeling, 2003. Proceedings of LFNM 2003. Pub Date : 2003-11-17 DOI: 10.1109/LFNM.2003.1246076
A. S. Logginov, A. Rzhanov, D. V. Skorov
{"title":"Modeling of self-sustained pulsations in surface-emitting injection lasers","authors":"A. S. Logginov, A. Rzhanov, D. V. Skorov","doi":"10.1109/LFNM.2003.1246076","DOIUrl":"https://doi.org/10.1109/LFNM.2003.1246076","url":null,"abstract":"In this paper a self-consistent dynamical model of the vertical-cavity surface-emitting lasers was developed. The model was used to investigate near-and far-field patterns and output light response on direct step bias current modulation. One- and two-mode self-sustained pulsation in VCSELs were observed. The conditions for a choice of the best fiber coupling distance were investigated.","PeriodicalId":368970,"journal":{"name":"5th International Workshop on Laser and Fiber-Optical Networks Modeling, 2003. Proceedings of LFNM 2003.","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121939732","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
Frequency doubling of picosecond CO/sub 2/ laser radiation with ZnGeP/sub 2/ crystal 用ZnGeP/sub 2/晶体实现皮秒CO/sub 2/激光辐射倍频
5th International Workshop on Laser and Fiber-Optical Networks Modeling, 2003. Proceedings of LFNM 2003. Pub Date : 2003-11-17 DOI: 10.1109/LFNM.2003.1246110
A. Gribenyukov, V. V. Korotkova, N. V. Pletnyev, Yu. A. Shakir, V. Sorochenko, A. Trofimov
{"title":"Frequency doubling of picosecond CO/sub 2/ laser radiation with ZnGeP/sub 2/ crystal","authors":"A. Gribenyukov, V. V. Korotkova, N. V. Pletnyev, Yu. A. Shakir, V. Sorochenko, A. Trofimov","doi":"10.1109/LFNM.2003.1246110","DOIUrl":"https://doi.org/10.1109/LFNM.2003.1246110","url":null,"abstract":"Summary form only given. For mid IR region ZnGeP/sub 2/ crystals have excellent potential for application in nonlinear optics due to unique combination of physical properties. In 1987 second harmonics generation (SHG) efficiency of 49% was realized with this crystal pumped by 2-ns pulses of CO/sub 2/-laser with intensity /spl sim/ 1GW/cm/sup 2/. In the present work SHG was investigated with the ZnGeP/sub 2/ crystals pumped by CO/sub 2/-laser pulses with much higher radiation intensities. To prevent the crystal surface optical damage we applied the significantly shorten laser pulse duration as compared with known data. In our experiments CO/sub 2/-laser system \"Picasso-2\" was used generating the train of pulses with duration 20 - 100 ps and total energy up to 15 J. The system provided laser intensity up to 100 GW/cm/sub 2/ at the crystal samples surface /spl sim/15 /spl times/15 mm/sup 2/. The work was supported by the Russian Fund for Basic Research (grant #03-02-16094).","PeriodicalId":368970,"journal":{"name":"5th International Workshop on Laser and Fiber-Optical Networks Modeling, 2003. Proceedings of LFNM 2003.","volume":"21 6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131867640","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
Calculation of efficiency of the coupling gratings with complicated profiles 复杂型面耦合光栅的效率计算
5th International Workshop on Laser and Fiber-Optical Networks Modeling, 2003. Proceedings of LFNM 2003. Pub Date : 2003-11-17 DOI: 10.1109/LFNM.2003.1246126
A. S. Zadorin, V.E. Appelt, R. Kruglov
{"title":"Calculation of efficiency of the coupling gratings with complicated profiles","authors":"A. S. Zadorin, V.E. Appelt, R. Kruglov","doi":"10.1109/LFNM.2003.1246126","DOIUrl":"https://doi.org/10.1109/LFNM.2003.1246126","url":null,"abstract":"The purpose of this work is an analytical description of fields of radiating mode and waveguide mode of the planar optical waveguide in coupling gratings with voluntary profile of grooves U(x,z). We have compared two types of coupling gratings: parallelogramic and rectangular. For calculation we have used the amplitude profile of TE/sub 0/ mode. The efficiency of the CG with complicated profiles is calculated.","PeriodicalId":368970,"journal":{"name":"5th International Workshop on Laser and Fiber-Optical Networks Modeling, 2003. Proceedings of LFNM 2003.","volume":"96 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133987390","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
The temperature distribution and the thermomechanical effects in the Cr:YAG quality modulator Cr:YAG质量调制器的温度分布及热力学效应
5th International Workshop on Laser and Fiber-Optical Networks Modeling, 2003. Proceedings of LFNM 2003. Pub Date : 2003-11-17 DOI: 10.1109/LFNM.2003.1246082
O. Buryy, S. B. Ubiszkii, S. Melnyk, A. Matkovskii
{"title":"The temperature distribution and the thermomechanical effects in the Cr:YAG quality modulator","authors":"O. Buryy, S. B. Ubiszkii, S. Melnyk, A. Matkovskii","doi":"10.1109/LFNM.2003.1246082","DOIUrl":"https://doi.org/10.1109/LFNM.2003.1246082","url":null,"abstract":"Cr/sup 4+/:YAG based modulators has been used for the passively Q-switched lasers, particularly, microchip lasers. The energy in the pulse of such lasers may achieve the values nearby a few tens /spl mu/J, the peak power-nearby a few tens kWt. But at the sufficiently high energy in the laser pulse the heating processes in the absorber become sufficient. Here we analyse the possible influences of the nonuniform heating on the modulator parameters. For the simplicity, the modulator is considered as thermal isolated from the pumping source and the generating medium.","PeriodicalId":368970,"journal":{"name":"5th International Workshop on Laser and Fiber-Optical Networks Modeling, 2003. Proceedings of LFNM 2003.","volume":"132 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133215826","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
Numerical solution to nonlinear problems in dielectric waveguides via resolvent method 介质波导非线性问题的解析解法数值解
5th International Workshop on Laser and Fiber-Optical Networks Modeling, 2003. Proceedings of LFNM 2003. Pub Date : 2003-11-17 DOI: 10.1109/LFNM.2003.1246116
G. Nerukh, F. Fedotov, T. Benson, P. Sewell
{"title":"Numerical solution to nonlinear problems in dielectric waveguides via resolvent method","authors":"G. Nerukh, F. Fedotov, T. Benson, P. Sewell","doi":"10.1109/LFNM.2003.1246116","DOIUrl":"https://doi.org/10.1109/LFNM.2003.1246116","url":null,"abstract":"The resolvent method for the Volterra integral equation is presented for numerical calculations of electromagnetic problems in dielectric waveguides containing a nonlinear medium.","PeriodicalId":368970,"journal":{"name":"5th International Workshop on Laser and Fiber-Optical Networks Modeling, 2003. Proceedings of LFNM 2003.","volume":"135 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134498662","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
Soliton transmission simulations in long optical fibers hybrid lines with distributed Raman amplification 具有分布式拉曼放大的长光纤混合线路中孤子传输的模拟
5th International Workshop on Laser and Fiber-Optical Networks Modeling, 2003. Proceedings of LFNM 2003. Pub Date : 2003-11-17 DOI: 10.1109/LFNM.2003.1246115
T. Cordaro, L.S. Zasnicoff
{"title":"Soliton transmission simulations in long optical fibers hybrid lines with distributed Raman amplification","authors":"T. Cordaro, L.S. Zasnicoff","doi":"10.1109/LFNM.2003.1246115","DOIUrl":"https://doi.org/10.1109/LFNM.2003.1246115","url":null,"abstract":"The exponential increase of the demand for data transmission, largely impelled by the popularization of the Internet, has motivated the continuous search for increasing the capacity of the data transmission means. Optical fibers have supported this increase of the demand through the increase of its transmission capacity. Many researchers consider that the future of the long distance optical transmissions could be the combination of WDM techniques and soliton transmission. This paper tells, in summarized way, the work that is being accomplished in the Presbyterian University Mackenzie in the area of optical communications, more specifically in the soliton transmission of 40 Gbit/s rates and long distances. The distributed Raman amplification (DRA) is used to compensate the attenuation of the optical fiber. Long distances up to 50.000 km are investigated, using simulations works. No relevant distortions in the pulse shapes were detected in pulse width of 1,55 ps.","PeriodicalId":368970,"journal":{"name":"5th International Workshop on Laser and Fiber-Optical Networks Modeling, 2003. Proceedings of LFNM 2003.","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133363672","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
Laser heterostructures AlGaInAsSb/GaInSbAsP/GaSb(InAs) for middle infra-red range 中红外激光异质结构AlGaInAsSb/GaInSbAsP/GaSb(InAs)
5th International Workshop on Laser and Fiber-Optical Networks Modeling, 2003. Proceedings of LFNM 2003. Pub Date : 2003-11-17 DOI: 10.1109/LFNM.2003.1246079
V. Kuchinskii, V. I. Vasil’ev, G. S. Gagis, A. G. Deryagin, V. Dudelev
{"title":"Laser heterostructures AlGaInAsSb/GaInSbAsP/GaSb(InAs) for middle infra-red range","authors":"V. Kuchinskii, V. I. Vasil’ev, G. S. Gagis, A. G. Deryagin, V. Dudelev","doi":"10.1109/LFNM.2003.1246079","DOIUrl":"https://doi.org/10.1109/LFNM.2003.1246079","url":null,"abstract":"This work shows that pentanary solid solutions (PSS) AlGaInAsSb and GaInSbAsP isoperiodic to GaSb and InAs substrates give wide possibilities to control heterojunction parameters. Heterojunctions I, II and III types can be formed for the lightwave range /spl lambda/=3-4/spl mu/m. Valence and conductivity band offsets can be varied in a wide range at a constant energy gap of the active region. AlGaInAsSb/GaInSbAsP/GaSb(InAs) heterostructures were grown from Sb-rich melts by liquid phase epitaxy (LPE) method at 570-600 /spl deg/C.","PeriodicalId":368970,"journal":{"name":"5th International Workshop on Laser and Fiber-Optical Networks Modeling, 2003. Proceedings of LFNM 2003.","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116469604","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
Resonance properties of waveguiding structure with nonperiodic radial and angular perturbations 非周期径向和角摄动下波导结构的共振特性
5th International Workshop on Laser and Fiber-Optical Networks Modeling, 2003. Proceedings of LFNM 2003. Pub Date : 2003-11-17 DOI: 10.1109/LFNM.2003.1246121
V. Borulko
{"title":"Resonance properties of waveguiding structure with nonperiodic radial and angular perturbations","authors":"V. Borulko","doi":"10.1109/LFNM.2003.1246121","DOIUrl":"https://doi.org/10.1109/LFNM.2003.1246121","url":null,"abstract":"In the present work oblique incidence of cylindrical waves on waveguiding structure with two-dimensional (radial and angular) Bragg inhomogeneity of permittivity is considered. The permittivity of dielectric assumes to be presented in the form of a sum of spatial nonperiodically oscillating harmonics of perturbation.","PeriodicalId":368970,"journal":{"name":"5th International Workshop on Laser and Fiber-Optical Networks Modeling, 2003. Proceedings of LFNM 2003.","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114674139","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
Adaptive optics for femto-second lasers 飞秒激光器的自适应光学
5th International Workshop on Laser and Fiber-Optical Networks Modeling, 2003. Proceedings of LFNM 2003. Pub Date : 2003-11-17 DOI: 10.1109/LFNM.2003.1246065
A. Kudryashov, A. Rukosuev, A. Alexandrov, V. Samarkin
{"title":"Adaptive optics for femto-second lasers","authors":"A. Kudryashov, A. Rukosuev, A. Alexandrov, V. Samarkin","doi":"10.1109/LFNM.2003.1246065","DOIUrl":"https://doi.org/10.1109/LFNM.2003.1246065","url":null,"abstract":"Summary form only given. Our work presents the latest results in high-power femto second laser beam formation and correction. We discuss the possibility to compensate for aberrations of large aperture TiS active elements and to improve the focusability of laser beam by a factor of 50.","PeriodicalId":368970,"journal":{"name":"5th International Workshop on Laser and Fiber-Optical Networks Modeling, 2003. Proceedings of LFNM 2003.","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123507621","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
Kinoform optical elements in fused silica for high-power laser optics 高功率激光光学用熔融石英相形光学元件
5th International Workshop on Laser and Fiber-Optical Networks Modeling, 2003. Proceedings of LFNM 2003. Pub Date : 2003-11-17 DOI: 10.1109/LFNM.2003.1246134
I. Soldatenkov, V. Atuchin, A. Kirpichnikov, E. V. Mikhailov, D. Sheglov
{"title":"Kinoform optical elements in fused silica for high-power laser optics","authors":"I. Soldatenkov, V. Atuchin, A. Kirpichnikov, E. V. Mikhailov, D. Sheglov","doi":"10.1109/LFNM.2003.1246134","DOIUrl":"https://doi.org/10.1109/LFNM.2003.1246134","url":null,"abstract":"Diffractive phase optical elements or kinoforms are receiving marked attention in the recent years because of unconventional light wave transformations that can be realized with its using. Kinoform element function is specified by prescribed surface relief profile with the depth typically defined in the parts of micrometer scale. Usage of improved manufacturing techniques, such as photolithography and ion-beam etching, greatly upgrade the microrelief accuracy. This study considers the method of fabrication of multilevel kinoform microlens arrays in silica substrates feasible for processing of high-power laser beams and the observation of its geometry and optical characteristics.","PeriodicalId":368970,"journal":{"name":"5th International Workshop on Laser and Fiber-Optical Networks Modeling, 2003. Proceedings of LFNM 2003.","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125965566","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
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