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EQEC '05. European Quantum Electronics Conference, 2005.最新文献

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Characterisation of white-light supercontinuum filaments in condensed media 凝聚态介质中白光超连续细丝的表征
EQEC '05. European Quantum Electronics Conference, 2005. Pub Date : 2005-06-12 DOI: 10.1109/EQEC.2005.1567213
K. Cook, A. Kar, R. A. Lamb
{"title":"Characterisation of white-light supercontinuum filaments in condensed media","authors":"K. Cook, A. Kar, R. A. Lamb","doi":"10.1109/EQEC.2005.1567213","DOIUrl":"https://doi.org/10.1109/EQEC.2005.1567213","url":null,"abstract":"This paper presents accurate measurements of the filament length and width by various experimental techniques. Coherence property is also demonstrated by using an array of diffractive microlenses to focus the beam through a sample of B 270 glass. Finally, a simple technique is presented for inducing filamentation without the aid of a focusing lens and for controlling the location of the filament on the axis of propagation. This study is essential to gain an understanding of the various physical properties which affect the filamentation process.","PeriodicalId":179542,"journal":{"name":"EQEC '05. European Quantum Electronics Conference, 2005.","volume":"69 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114701365","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
Atomic self-trapping and cooling in a single-atom laser 单原子激光器中的原子自俘获和冷却
EQEC '05. European Quantum Electronics Conference, 2005. Pub Date : 2005-06-12 DOI: 10.1109/EQEC.2005.1567428
T. Salzburger, H. Ritsch
{"title":"Atomic self-trapping and cooling in a single-atom laser","authors":"T. Salzburger, H. Ritsch","doi":"10.1109/EQEC.2005.1567428","DOIUrl":"https://doi.org/10.1109/EQEC.2005.1567428","url":null,"abstract":"Using quantum wavefunction simulations, the dynamics of an inverted two-level atom strongly coupled to a mode of an optical high-Q resonator is investigated. It is found that the generated laser light attracts the atom to field antinodes and cools its motion if the cavity mode eigenfrequency is larger than the atomic transition frequency. The system is treated via the Heisenberg-Langevin equations (HLE) and derive analytic expressions for the photon number, the force acting on the atom, and the atomic equilibrium temperature.","PeriodicalId":179542,"journal":{"name":"EQEC '05. European Quantum Electronics Conference, 2005.","volume":"85 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116193644","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 spatial shape of photons in spontaneous parametric downconversion 自发参量下转换中光子的空间形状
EQEC '05. European Quantum Electronics Conference, 2005. Pub Date : 2005-06-12 DOI: 10.1109/EQEC.2005.1567492
G. Molina-Terriza, S. Minardi, Y. Deyanova, C. I. Osorio, M. Hendrych, J. Torres
{"title":"The spatial shape of photons in spontaneous parametric downconversion","authors":"G. Molina-Terriza, S. Minardi, Y. Deyanova, C. I. Osorio, M. Hendrych, J. Torres","doi":"10.1109/EQEC.2005.1567492","DOIUrl":"https://doi.org/10.1109/EQEC.2005.1567492","url":null,"abstract":"This paper shows theoretically and experimentally that locally, paraxial measurements of the orbital angular momentum (OAM) conducted with entangled photons generated in noncollinear geometries, or nearly collinear geometries with Poynting vector walk off, they do not comply, in general, with the known selection rules for the spiral index of the pump, signal and idler mode functions. Conditions under which this selection rule can apply are also discussed.","PeriodicalId":179542,"journal":{"name":"EQEC '05. European Quantum Electronics Conference, 2005.","volume":"159 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122041952","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
High-Q semiconductor micropillars with embedded quantum dots of enlarged dimensions 嵌入放大尺寸量子点的高q半导体微柱
EQEC '05. European Quantum Electronics Conference, 2005. Pub Date : 2005-06-12 DOI: 10.1109/EQEC.2005.1567526
A. Loffler, J. Reithmaier, G. Sȩk, C. Hofmann, S. Reitienstein, M. Kamp, A. Forchel
{"title":"High-Q semiconductor micropillars with embedded quantum dots of enlarged dimensions","authors":"A. Loffler, J. Reithmaier, G. Sȩk, C. Hofmann, S. Reitienstein, M. Kamp, A. Forchel","doi":"10.1109/EQEC.2005.1567526","DOIUrl":"https://doi.org/10.1109/EQEC.2005.1567526","url":null,"abstract":"Vertical emitting AlAs/GaAs microcavity pillars with a new type of GaInAs quantum dots within a one /spl lambda/-cavity have been realised based on high reflectivity distributed Bragg reflectors. High quality factors were achieved due to an improved fabrication technology. The dot dimensions could be enlarged by one order of magnitude using a low strain Ga/sub 0.70/In/sub 0.30/As nucleation layer. In this paper, micropillars with a maximum quality factor of up to 27700 for a 4 /spl mu/m wide microcavity was presented.","PeriodicalId":179542,"journal":{"name":"EQEC '05. European Quantum Electronics Conference, 2005.","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124475062","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
Shape resonances in extraordinary transmission 形状共振在非凡的传输
EQEC '05. European Quantum Electronics Conference, 2005. Pub Date : 2005-06-12 DOI: 10.1109/EQEC.2005.1567504
K. L. van der Molen, K.J. Klein Koerkamp, F. Segerink, N. V. van Hulst, S. Enoch, L. Kuipers
{"title":"Shape resonances in extraordinary transmission","authors":"K. L. van der Molen, K.J. Klein Koerkamp, F. Segerink, N. V. van Hulst, S. Enoch, L. Kuipers","doi":"10.1109/EQEC.2005.1567504","DOIUrl":"https://doi.org/10.1109/EQEC.2005.1567504","url":null,"abstract":"The paper focuses on the extraordinary transmission phenomenon, an example of plasmonics. In a periodic arrangement of sub-wavelength holes in a metal film the transmitted fraction of the incident light exceeds the open air fraction of the film for certain colours. This enhanced transmission has been attributed to a resonant excitation of surface plasmons set up by the periodicity of the array. But by merely changing the shape of the sub-wavelength holes from circular to rectangular can affect the extraordinary transmission.","PeriodicalId":179542,"journal":{"name":"EQEC '05. European Quantum Electronics Conference, 2005.","volume":"80 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129449137","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
Normal-mode spectroscopy of a single atom trapped in a cavity 被困在空腔中的单个原子的正模光谱
EQEC '05. European Quantum Electronics Conference, 2005. Pub Date : 2005-06-12 DOI: 10.1109/EQEC.2005.1567481
T. Puppe, P. Maunz, I. Schuster, N. Syassen, P. Pinkse, G. Rempe
{"title":"Normal-mode spectroscopy of a single atom trapped in a cavity","authors":"T. Puppe, P. Maunz, I. Schuster, N. Syassen, P. Pinkse, G. Rempe","doi":"10.1109/EQEC.2005.1567481","DOIUrl":"https://doi.org/10.1109/EQEC.2005.1567481","url":null,"abstract":"Taking advantage of cavity cooling, we measure a well-resolved normal-mode splitting of a single trapped atom localised in the strong-coupling region of a high-finesse optical cavity.","PeriodicalId":179542,"journal":{"name":"EQEC '05. European Quantum Electronics Conference, 2005.","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129691108","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
Robustness of synchronization of two semiconductor lasers: comparison between optical injection by a continuous or a chaotic wave 两个半导体激光器同步的鲁棒性:连续波和混沌波光注入的比较
EQEC '05. European Quantum Electronics Conference, 2005. Pub Date : 2005-06-12 DOI: 10.1109/EQEC.2005.1567309
O. Vaudel, C. Guignard, P. Besnard
{"title":"Robustness of synchronization of two semiconductor lasers: comparison between optical injection by a continuous or a chaotic wave","authors":"O. Vaudel, C. Guignard, P. Besnard","doi":"10.1109/EQEC.2005.1567309","DOIUrl":"https://doi.org/10.1109/EQEC.2005.1567309","url":null,"abstract":"Synchronization of chaotic signals is studied when the chaos is generated through optical injection avoiding optical feedback. The use of optical injection enables a strict comparison when a continuous or a chaotic wave seeds the laser.","PeriodicalId":179542,"journal":{"name":"EQEC '05. European Quantum Electronics Conference, 2005.","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128571410","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
Optimisation of X-ray harmonic generation in capillaries by pulse shaping using an acousto-optic programmable filter 利用声光可编程滤波器的脉冲整形优化毛细管中x射线谐波的产生
EQEC '05. European Quantum Electronics Conference, 2005. Pub Date : 2005-06-12 DOI: 10.1109/EQEC.2005.1567349
C. Froud, W. Brocklesby, E. Rogers, D. Hanna, M. Praeger, A. M. de Paula, J. Baumberg, J. Frey
{"title":"Optimisation of X-ray harmonic generation in capillaries by pulse shaping using an acousto-optic programmable filter","authors":"C. Froud, W. Brocklesby, E. Rogers, D. Hanna, M. Praeger, A. M. de Paula, J. Baumberg, J. Frey","doi":"10.1109/EQEC.2005.1567349","DOIUrl":"https://doi.org/10.1109/EQEC.2005.1567349","url":null,"abstract":"This study presents an acousto-optic programmable filter (AOPDF) that provides rapid, highly specific shaping of 0.3 laser pulses, which is used to change both the intensities and positions of generated X-ray harmonic orders. Because of the simple and accurate adjustment of spectral phase offered by AOPDF, this ability to modify and shift the X-ray spectrum can be used to produce frequency-agile X-ray tunable sources, as well as providing improved insight into the generation process in capillaries in which the key phase matching is modified by processes which depend on pulse shape.","PeriodicalId":179542,"journal":{"name":"EQEC '05. European Quantum Electronics Conference, 2005.","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130040790","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
Development of clock laser for the S-D transition of Ca/sup +/ ion Ca/sup +/离子S-D跃迁时钟激光器的研制
EQEC '05. European Quantum Electronics Conference, 2005. Pub Date : 2005-06-12 DOI: 10.1109/EQEC.2005.1567377
Ying Li, H. Ito, K. Matsubara, M. Kajita, K. Fukuda, M. Hosokawa
{"title":"Development of clock laser for the S-D transition of Ca/sup +/ ion","authors":"Ying Li, H. Ito, K. Matsubara, M. Kajita, K. Fukuda, M. Hosokawa","doi":"10.1109/EQEC.2005.1567377","DOIUrl":"https://doi.org/10.1109/EQEC.2005.1567377","url":null,"abstract":"This paper shows two procedures of the clock laser system development: the first is reducing the linewidth of a diode laser (master laser); and the second is the tunable offset lock of the slave laser to the stabilized master laser. Linewidth and frequency stability of the laser system is also evaluated.","PeriodicalId":179542,"journal":{"name":"EQEC '05. European Quantum Electronics Conference, 2005.","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130050738","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
Mapping the dynamics of an optically injected solid state laser 描绘光注入固体激光器的动力学
EQEC '05. European Quantum Electronics Conference, 2005. Pub Date : 2005-06-12 DOI: 10.1109/EQEC.2005.1567295
S. Valling, T. Fordell, A. Lindberg
{"title":"Mapping the dynamics of an optically injected solid state laser","authors":"S. Valling, T. Fordell, A. Lindberg","doi":"10.1109/EQEC.2005.1567295","DOIUrl":"https://doi.org/10.1109/EQEC.2005.1567295","url":null,"abstract":"Experimental and simulated maps describing dynamical regions of an injected solid state laser are demonstrated and found to be in excellent agreement with each other with a value of /spl alpha/ = 0.4 for the Nd:YVO/sub 4/ laser. Both experimental estimate for /spl alpha/ and an experimental map of the dynamics with injection are presented for the first time for a solid state laser.","PeriodicalId":179542,"journal":{"name":"EQEC '05. European Quantum Electronics Conference, 2005.","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130098886","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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