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

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Electron-hole asymmetry and two-state lasing in quantum dot lasers 量子点激光器中的电子-空穴不对称性和双态激光
EQEC '05. European Quantum Electronics Conference, 2005. Pub Date : 2005-07-29 DOI: 10.1063/1.1995947
E. Viktorov, P. Mandel, Y. Tanguy, J. Houlihan, G. Huyet
{"title":"Electron-hole asymmetry and two-state lasing in quantum dot lasers","authors":"E. Viktorov, P. Mandel, Y. Tanguy, J. Houlihan, G. Huyet","doi":"10.1063/1.1995947","DOIUrl":"https://doi.org/10.1063/1.1995947","url":null,"abstract":"We study two-state quantum dot lasing and show that the asymmetry in the thermal population redistribution breaks the symmetric dynamical evolution of the electron-hole pairs. This fully explains the transition from two-state to single-state lasing observed experimentally.","PeriodicalId":179542,"journal":{"name":"EQEC '05. European Quantum Electronics Conference, 2005.","volume":"118 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116350954","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: 88
Multiconical transverse patterns of monolithic mini-cavity optical parametric oscillator 单片微腔光学参量振荡器的多圆锥横截面图
EQEC '05. European Quantum Electronics Conference, 2005. Pub Date : 2005-07-11 DOI: 10.1109/IQEC.2005.1560976
M. Peckus, V. Sirutkaitis, V. Smilgevičius, R. Grigonis, K. Staliūnas, M. Saffman, G. Šlekys
{"title":"Multiconical transverse patterns of monolithic mini-cavity optical parametric oscillator","authors":"M. Peckus, V. Sirutkaitis, V. Smilgevičius, R. Grigonis, K. Staliūnas, M. Saffman, G. Šlekys","doi":"10.1109/IQEC.2005.1560976","DOIUrl":"https://doi.org/10.1109/IQEC.2005.1560976","url":null,"abstract":"This study summarizes recent results of theoretical and experimental investigation of transverse pattern formation in a multi-longitudinal mode optical parametric oscillator (OPO) in a monolithic mini-cavity. In addition, the results of numerical study of the multiconical pattern based on numerical integration of OPO equations without using the mean field approximation are presented. The experimental evidence of multiconical emission is also given. Finally, this study demonstrates experimentally and interpret theoretically the tunability of the angles of the conical and multi-conical emission.","PeriodicalId":179542,"journal":{"name":"EQEC '05. European Quantum Electronics Conference, 2005.","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115472149","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
Microcavities on atom chips for single-atom detection 用于单原子探测的原子芯片上的微腔
EQEC '05. European Quantum Electronics Conference, 2005. Pub Date : 2005-06-12 DOI: 10.1109/EQEC.2005.1567519
A. Haase, M. Schwarz, M. Wuzbach, J. Schmiedmayer, Xiyuan Liu, K. Brenner, B. Hessmo, P. Horák
{"title":"Microcavities on atom chips for single-atom detection","authors":"A. Haase, M. Schwarz, M. Wuzbach, J. Schmiedmayer, Xiyuan Liu, K. Brenner, B. Hessmo, P. Horák","doi":"10.1109/EQEC.2005.1567519","DOIUrl":"https://doi.org/10.1109/EQEC.2005.1567519","url":null,"abstract":"To demonstrate the feasibility of detecting magnetically trapped neutral atoms with \"bad\" cavities, a macroscopic nearly concentric cavity is built. Using this cavity,atoms guided with a free-standing current-carrying wire are detected.","PeriodicalId":179542,"journal":{"name":"EQEC '05. European Quantum Electronics Conference, 2005.","volume":"72 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":"123040636","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 interaction between two photons mediated by nonlinear media embedded in a cavity 由嵌入腔内的非线性介质介导的两个光子之间的非线性相互作用
EQEC '05. European Quantum Electronics Conference, 2005. Pub Date : 2005-06-12 DOI: 10.1109/EQEC.2005.1567448
K. Koshino, H. lshihara
{"title":"Nonlinear interaction between two photons mediated by nonlinear media embedded in a cavity","authors":"K. Koshino, H. lshihara","doi":"10.1109/EQEC.2005.1567448","DOIUrl":"https://doi.org/10.1109/EQEC.2005.1567448","url":null,"abstract":"In this study, the nonlinear interaction between two photons mediated by a finite-sized nonlinear optical medium placed inside of a cavity is theoretically discussed. As a model of a finite-sized nonlinear optical system, a Frenkel exciton system composed of N sites is employed. In order to evaluate the two-photon optical nonlinearity, the conventional semiclassical theory for evaluation of the nonlinear phase shift is utilized.","PeriodicalId":179542,"journal":{"name":"EQEC '05. European Quantum Electronics Conference, 2005.","volume":"21 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":"116855015","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
Experimental evidence of entanglement between intense beams produced by a non-degenerate OPO above threshold 超过阈值的非简并OPO产生的强光束之间纠缠的实验证据
EQEC '05. European Quantum Electronics Conference, 2005. Pub Date : 2005-06-12 DOI: 10.1109/EQEC.2005.1567417
A. Villar, L. S. Cruz, K. Cassemiro, M. Martinelli, P. Nussenzveig
{"title":"Experimental evidence of entanglement between intense beams produced by a non-degenerate OPO above threshold","authors":"A. Villar, L. S. Cruz, K. Cassemiro, M. Martinelli, P. Nussenzveig","doi":"10.1109/EQEC.2005.1567417","DOIUrl":"https://doi.org/10.1109/EQEC.2005.1567417","url":null,"abstract":"In this work, first measurements that indicate entanglement between non-degenerate signal and idler beams above threshold are presented. These curves are obtained synchronously varying analysis cavities' lengths around their resonances.","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":"116937820","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
Towards probabilistic entanglement of distant atoms 远距离原子的概率纠缠
EQEC '05. European Quantum Electronics Conference, 2005. Pub Date : 2005-06-12 DOI: 10.1109/EQEC.2005.1567444
M. Hennrich, F. Rohde, C. Schuck, J. Eschner
{"title":"Towards probabilistic entanglement of distant atoms","authors":"M. Hennrich, F. Rohde, C. Schuck, J. Eschner","doi":"10.1109/EQEC.2005.1567444","DOIUrl":"https://doi.org/10.1109/EQEC.2005.1567444","url":null,"abstract":"The paper discussed on the generation of non-local entanglement. This relies on the state reduction of a projective measurement of the internal atomic states of both atoms. In this scheme both atoms are coherently excited by a weak excitation pulse by which a single photon is scattered with low probability. The authors are currently setting up an experimental system to implement this proposal with two trapped ions in two macroscopically separated traps.","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":"117254342","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
Selection of the number of spiral arms in an optical pattern-forming system 光学图案形成系统中螺旋臂数目的选择
EQEC '05. European Quantum Electronics Conference, 2005. Pub Date : 2005-06-12 DOI: 10.1109/EQEC.2005.1567283
F. Huneus, T. Ackemann, W. Lange
{"title":"Selection of the number of spiral arms in an optical pattern-forming system","authors":"F. Huneus, T. Ackemann, W. Lange","doi":"10.1109/EQEC.2005.1567283","DOIUrl":"https://doi.org/10.1109/EQEC.2005.1567283","url":null,"abstract":"This paper investigates the selection between target patterns and multi-armed spirals. This study shows that the selection between different spirals as well as the mere occurrence of target patterns arid spirals in the present experiment rely on the presence of radial phase gradients. Thus there does not seem to exist an intimate relation to target, patterns and spirals occurring in other systems which do not require inhomogeneous driving.","PeriodicalId":179542,"journal":{"name":"EQEC '05. European Quantum Electronics Conference, 2005.","volume":"60 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":"121263826","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
Light slow-down in semiconductor waveguides due to population pulsations 半导体波导中由于人口脉动引起的光减速
EQEC '05. European Quantum Electronics Conference, 2005. Pub Date : 2005-06-12 DOI: 10.1109/EQEC.2005.1567190
J. Mørk, R. Kjier, M. Poel, K. Yvind
{"title":"Light slow-down in semiconductor waveguides due to population pulsations","authors":"J. Mørk, R. Kjier, M. Poel, K. Yvind","doi":"10.1109/EQEC.2005.1567190","DOIUrl":"https://doi.org/10.1109/EQEC.2005.1567190","url":null,"abstract":"This study theoretically analyzes the prospect of inducing light-slow down in a semiconductor waveguide based on coherent population oscillation. Experimental observations of the effect are also presented.","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":"127250191","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
Excitation of bright and dark gap solitons in a negative index material 负折射率材料中明暗缝隙孤子的激发
EQEC '05. European Quantum Electronics Conference, 2005. Pub Date : 2005-06-12 DOI: 10.1109/EQEC.2005.1567246
G. Aguanno, N. Mattiucci, M. Scalora, M. Bloemer
{"title":"Excitation of bright and dark gap solitons in a negative index material","authors":"G. Aguanno, N. Mattiucci, M. Scalora, M. Bloemer","doi":"10.1109/EQEC.2005.1567246","DOIUrl":"https://doi.org/10.1109/EQEC.2005.1567246","url":null,"abstract":"We predict the existence of bright and dark gap solitons in a slab of negative index material as a result of the interplay between the linear dispersive properties and the effect of a cubic nonlinearity.","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":"115516872","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
Observation of a discrete family of transverse solitons in the presence of a symmetry-breaking bifurcation 对称破缺分岔存在下一离散族横向孤子的观察
EQEC '05. European Quantum Electronics Conference, 2005. Pub Date : 2005-06-12 DOI: 10.1109/EQEC.2005.1567300
M. Pesch, J.-U. Schurek, T. Ackemann, W. Lange
{"title":"Observation of a discrete family of transverse solitons in the presence of a symmetry-breaking bifurcation","authors":"M. Pesch, J.-U. Schurek, T. Ackemann, W. Lange","doi":"10.1109/EQEC.2005.1567300","DOIUrl":"https://doi.org/10.1109/EQEC.2005.1567300","url":null,"abstract":"This report considers vectorial spatial solitons in a specific realization of a single-mirror feedback scheme displaying a symmetry-breaking pitchfork-bifurcation to two equivalent (or nearly equivalent) states. Numerical simulations of the microscopic model equations exhibit a family of discrete solitons and enable one to study the mechanism leading to the stabilization of the feedback solitons. It turns out that curvature-driven coarsening dynamics of a circular domain and 'pressure-induced' dynamics due to an imperfection of the symmetry-breaking bifurcation counteract. Solitary solutions can be obtained in a parameter region where an unstable equilibrium of these counteracting effects is stabilized by the vicinity of a small-amplitude modulational instability. An alternative method using a Newton algorithm to find stationary solutions of a radially symmetric system is used for studying the parameter dependencies of the bifurcation structure.","PeriodicalId":179542,"journal":{"name":"EQEC '05. European Quantum Electronics Conference, 2005.","volume":"66 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":"116148309","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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