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Proceedings of LFNM 2005. 7th International Conference on Laser and Fiber-Optical Networks Modeling, 2005.最新文献

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On design of wavelength division multiplexers in 2D photonic crystals 二维光子晶体中波分复用器的设计
Proceedings of LFNM 2005. 7th International Conference on Laser and Fiber-Optical Networks Modeling, 2005. Pub Date : 2005-12-19 DOI: 10.1109/LFNM.2005.1553184
I. Sukhoivanov, I. Guryev, O. Shulika
{"title":"On design of wavelength division multiplexers in 2D photonic crystals","authors":"I. Sukhoivanov, I. Guryev, O. Shulika","doi":"10.1109/LFNM.2005.1553184","DOIUrl":"https://doi.org/10.1109/LFNM.2005.1553184","url":null,"abstract":"In our work we propose the method of the synthesis of the wideband wavelength filters on the basis of two-dimensional photonic crystal for optical band. Using this method the wavelength diplexer has been synthesized. The device characteristics were obtained and the method efficiency were proved","PeriodicalId":301144,"journal":{"name":"Proceedings of LFNM 2005. 7th International Conference on Laser and Fiber-Optical Networks Modeling, 2005.","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130809342","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
Analog-digital conversion of optical signals by means of ring waveguide microresonators 利用环形波导微谐振器实现光信号的模数转换
Proceedings of LFNM 2005. 7th International Conference on Laser and Fiber-Optical Networks Modeling, 2005. Pub Date : 2005-12-19 DOI: 10.1109/LFNM.2005.1553220
I. Goncharenko, A. Esman, V. Kuleshov, V. Pilipovich
{"title":"Analog-digital conversion of optical signals by means of ring waveguide microresonators","authors":"I. Goncharenko, A. Esman, V. Kuleshov, V. Pilipovich","doi":"10.1109/LFNM.2005.1553220","DOIUrl":"https://doi.org/10.1109/LFNM.2005.1553220","url":null,"abstract":"We propose the fast method of analog-digital conversion of optical signals with the use of waveguide ring resonators of micron size. The results of calculation are presented that allow optimization of the parameters of such optical analog-digital converter (ADC) for specific applications. Such optical ADC is capable to operate with the conversion frequency above 109 counts per second in a broad spectral range","PeriodicalId":301144,"journal":{"name":"Proceedings of LFNM 2005. 7th International Conference on Laser and Fiber-Optical Networks Modeling, 2005.","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128559225","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
Digital simulation of the light absorbtion and amplification in the multiply scattering medium 多重散射介质中光吸收与放大的数字模拟
Proceedings of LFNM 2005. 7th International Conference on Laser and Fiber-Optical Networks Modeling, 2005. Pub Date : 2005-12-19 DOI: 10.1109/LFNM.2005.1553190
V. P. Yashchuk, M. Zhuravsky, O. Prygodiuk
{"title":"Digital simulation of the light absorbtion and amplification in the multiply scattering medium","authors":"V. P. Yashchuk, M. Zhuravsky, O. Prygodiuk","doi":"10.1109/LFNM.2005.1553190","DOIUrl":"https://doi.org/10.1109/LFNM.2005.1553190","url":null,"abstract":"The numeric simulation of light propagation in the strongly scattering absorptive or amplifying medium was carried out by Monte-Carlo method. The additional attenuation was shown to rise in the absorptive medium under multiple light scattering. Under the same conditions the photons multiplication and lasing occur in the amplifying medium. The effects dependences on the medium parameters were analyzed","PeriodicalId":301144,"journal":{"name":"Proceedings of LFNM 2005. 7th International Conference on Laser and Fiber-Optical Networks Modeling, 2005.","volume":"120 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128033698","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
Probabilistic model of a crystal oscillator at low drive levels 低驱动电平下晶体振荡器的概率模型
Proceedings of LFNM 2005. 7th International Conference on Laser and Fiber-Optical Networks Modeling, 2005. Pub Date : 2005-12-19 DOI: 10.1109/LFNM.2005.1553229
Y. Shmaliy, R. Brendel
{"title":"Probabilistic model of a crystal oscillator at low drive levels","authors":"Y. Shmaliy, R. Brendel","doi":"10.1109/LFNM.2005.1553229","DOIUrl":"https://doi.org/10.1109/LFNM.2005.1553229","url":null,"abstract":"The probability density of the envelope of crystal oscillator oscillations is studied at low drives when self-excitation becomes not available due to the large and nonlinear friction of a piezoelectric resonator that occurs after a long storage. We show that the effect know as \"sleeping sickness\" is accompanied with the noise-induced oscillations at a new steady state far from the equilibrium. The stochastic differential equation is given for the envelope of the oscillations induced by the interplay of the nonlinear resonator friction and multiplicative noise. The Fokker-Planck equation is discussed in a sense of Stratonovich. The stationary probability density of the envelope is derived and investigated","PeriodicalId":301144,"journal":{"name":"Proceedings of LFNM 2005. 7th International Conference on Laser and Fiber-Optical Networks Modeling, 2005.","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126945978","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
Influence of spatial wavefront characteristics of laser radiation on quality intracavity modal correction 激光辐射空间波前特性对腔内模态校正质量的影响
Proceedings of LFNM 2005. 7th International Conference on Laser and Fiber-Optical Networks Modeling, 2005. Pub Date : 2005-12-19 DOI: 10.1109/LFNM.2005.1553189
A. G. Podoprigora
{"title":"Influence of spatial wavefront characteristics of laser radiation on quality intracavity modal correction","authors":"A. G. Podoprigora","doi":"10.1109/LFNM.2005.1553189","DOIUrl":"https://doi.org/10.1109/LFNM.2005.1553189","url":null,"abstract":"The laser systems supplied by an adaptive optical system allow obtaining output beam with high quality spatial-power characteristics. The efficiency of functioning of adaptive optical system phase conjugation with modal correcting by the bimorph deformable mirror of the resonator was investigated. The form of a mirror surface was modeled by Zernic polynom, and wavefront was modeled by the spline-interpolation of the limited set of random numbers. In the decision of the task of formation of operation action on a deformed mirror various methods of optimization were used. The influence of a standard deviation and relative entropy both of phases and angles of the slopes of the wavefront on quality of correction was examined. The quality of correction was estimated on static and dynamic errors of wavefront reconstruction. Moreover connection among spatial characteristics of a radiation beam was estimated","PeriodicalId":301144,"journal":{"name":"Proceedings of LFNM 2005. 7th International Conference on Laser and Fiber-Optical Networks Modeling, 2005.","volume":"48 17","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"113943557","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
Two-dimensional photorefractive photonic lattices in lithium niobate 铌酸锂的二维光折变光子晶格
Proceedings of LFNM 2005. 7th International Conference on Laser and Fiber-Optical Networks Modeling, 2005. Pub Date : 2005-12-19 DOI: 10.1109/LFNM.2005.1553208
V. Shandarov, K. Shandarova, S. Shandarov, N. Burimov
{"title":"Two-dimensional photorefractive photonic lattices in lithium niobate","authors":"V. Shandarov, K. Shandarova, S. Shandarov, N. Burimov","doi":"10.1109/LFNM.2005.1553208","DOIUrl":"https://doi.org/10.1109/LFNM.2005.1553208","url":null,"abstract":"Periodic structures of optical waveguides weakly coupled through evanescent fields suggest exciting possibilities for the switching and steering of light beams propagating within them due to effects of their nonlinear self-action. Some of similar effects have been observed and studied in the 1D waveguide arrays as well as in 1D and 2D photonic lattices optically induced in strontium-barium niobate crystals. This excellent electrooptic and photorefractive crystal has a disadvantage of its limited size which is typically less than 10-15 mm. One more perspective medium to optically form nonlinear photonic lattices is lithium niobate. We form two-dimensional photorefractive photonic lattices in Fe-doped and Cu-doped samples of lithium niobate using irradiation of either, He-Ne laser with a power of 1 mW or diode-pumped solid-state laser with frequency doubling that provides optical power up to 200 mW at wavelength of 532 nm. The recording procedure consists of two steps with formation of separate one-dimensional lattices at each step. The wave vectors of these lattices are adjusted under angles of the same value and opposite signs concerning the crystal optical axis. The ordinarily polarized light is used at the recording stage. The discrete diffraction and nonlinear self-action of extraordinarily polarized light beams within lattices formed is experimentally investigated at wavelength of 633 nm","PeriodicalId":301144,"journal":{"name":"Proceedings of LFNM 2005. 7th International Conference on Laser and Fiber-Optical Networks Modeling, 2005.","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121597744","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
Focusing properties of mushroom microlenses 蘑菇微透镜的聚焦特性
Proceedings of LFNM 2005. 7th International Conference on Laser and Fiber-Optical Networks Modeling, 2005. Pub Date : 2005-12-19 DOI: 10.1109/LFNM.2005.1553240
A. Boriskin, S. Boriskina, T. Benson, P. Sewell, A. Nosich
{"title":"Focusing properties of mushroom microlenses","authors":"A. Boriskin, S. Boriskina, T. Benson, P. Sewell, A. Nosich","doi":"10.1109/LFNM.2005.1553240","DOIUrl":"https://doi.org/10.1109/LFNM.2005.1553240","url":null,"abstract":"Focusing properties of a novel type photoresist microlens are studied. A specific character of the microlens is its mushroom shape. Recently, it has been predicted and experimentally revealed that such a lens integrated with a light-emitting diode is capable of enhancing the output efficiency and directivity. In our paper, we analyze the electromagnetic performance of the mushroom lens by applying a mathematically rigorous method of boundary integral equations. Numerical results are presented for the mushroom lens illuminated with a plane E-polarized wave and include figures describing the evolution of the lens focal spot and near field maps","PeriodicalId":301144,"journal":{"name":"Proceedings of LFNM 2005. 7th International Conference on Laser and Fiber-Optical Networks Modeling, 2005.","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133119853","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 influence of photonic crystal (PHC) parameters on the photonic band-gap (PBG) 光子晶体(PHC)参数对光子带隙(PBG)的影响
Proceedings of LFNM 2005. 7th International Conference on Laser and Fiber-Optical Networks Modeling, 2005. Pub Date : 2005-12-19 DOI: 10.1109/LFNM.2005.1553185
A. V. Dyogtyev
{"title":"The influence of photonic crystal (PHC) parameters on the photonic band-gap (PBG)","authors":"A. V. Dyogtyev","doi":"10.1109/LFNM.2005.1553185","DOIUrl":"https://doi.org/10.1109/LFNM.2005.1553185","url":null,"abstract":"The influence of the geometrical and physical parameters on the photonic band-gap of GaAs and AlGaAs 2D photonic crystals has been investigated. As a result we have obtained the gap-maps for geometrical parameters appropriate for operation at around lambda=1.5 mum wave-length, i.e. the wave-length region most widely used currently in fibre-optic telecommunications. Using these gap-maps, it is possible to find the PhC parameters for which the PhC exhibits a PBG within the telecommunication range","PeriodicalId":301144,"journal":{"name":"Proceedings of LFNM 2005. 7th International Conference on Laser and Fiber-Optical Networks Modeling, 2005.","volume":"28 s86","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132227467","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
Wavelength division multiplexer based on FBG with defect 基于缺陷光纤光栅的波分复用器
Proceedings of LFNM 2005. 7th International Conference on Laser and Fiber-Optical Networks Modeling, 2005. Pub Date : 2005-12-19 DOI: 10.1109/LFNM.2005.1553222
G. K. Tkachenko, V. Fesenko, I. Guryev
{"title":"Wavelength division multiplexer based on FBG with defect","authors":"G. K. Tkachenko, V. Fesenko, I. Guryev","doi":"10.1109/LFNM.2005.1553222","DOIUrl":"https://doi.org/10.1109/LFNM.2005.1553222","url":null,"abstract":"In this paper the results of experimental and analytical research of FBG with a defect in a periodic structure are given. This technology is very convenient for demultiplexing and add-drop applications in optical networks, because it allows to obtain the considerable extension of channel density, i. e. to improves the performance of data transmission systems. The analysis of FBG with a defect by solving the Helmholtz equation is proposed","PeriodicalId":301144,"journal":{"name":"Proceedings of LFNM 2005. 7th International Conference on Laser and Fiber-Optical Networks Modeling, 2005.","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134429329","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
Band structure computation of asymmetric multiple quantum wells 非对称多量子阱的能带结构计算
Proceedings of LFNM 2005. 7th International Conference on Laser and Fiber-Optical Networks Modeling, 2005. Pub Date : 2005-12-19 DOI: 10.1109/LFNM.2005.1553191
M. Klimenko, O. Shulika, I. M. Safonov
{"title":"Band structure computation of asymmetric multiple quantum wells","authors":"M. Klimenko, O. Shulika, I. M. Safonov","doi":"10.1109/LFNM.2005.1553191","DOIUrl":"https://doi.org/10.1109/LFNM.2005.1553191","url":null,"abstract":"A new approach for the band structure computation of asymmetric multiple quantum well structures (AMQW) is proposed. The main idea consists in the use of new basis functions which are more exact approximation for the desired solution in comparison to those offered in other works to solve the Burt-Foreman Hamiltonian. The method provides higher accuracy with lower computational burden","PeriodicalId":301144,"journal":{"name":"Proceedings of LFNM 2005. 7th International Conference on Laser and Fiber-Optical Networks Modeling, 2005.","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130732392","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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