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EQEC'96. 1996 European Quantum Electronic Conference最新文献

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The Value of Force of Radiative Friction 辐射摩擦力的值
EQEC'96. 1996 European Quantum Electronic Conference Pub Date : 1996-10-15 DOI: 10.1109/EQEC.1996.561735
Andrey B. Matsko, E. A. Zubova, S. Vyatchanin
{"title":"The Value of Force of Radiative Friction","authors":"Andrey B. Matsko, E. A. Zubova, S. Vyatchanin","doi":"10.1109/EQEC.1996.561735","DOIUrl":"https://doi.org/10.1109/EQEC.1996.561735","url":null,"abstract":"We discuss the value of the radiative friction for a single mirror and a mirror in a Fabry-Perot resonator, and show that in the last case this friction can be experimentally registered.","PeriodicalId":11780,"journal":{"name":"EQEC'96. 1996 European Quantum Electronic Conference","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1996-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81185572","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: 14
Two-Photon Selective Reflection 双光子选择性反射
EQEC'96. 1996 European Quantum Electronic Conference Pub Date : 1996-10-01 DOI: 10.1109/EQEC.1996.561694
M. Gorris-Neveaux, P. Monnot, S. Saltiel, M. Ducloy, R. Barbé, J. Keller
{"title":"Two-Photon Selective Reflection","authors":"M. Gorris-Neveaux, P. Monnot, S. Saltiel, M. Ducloy, R. Barbé, J. Keller","doi":"10.1109/EQEC.1996.561694","DOIUrl":"https://doi.org/10.1109/EQEC.1996.561694","url":null,"abstract":"The conditions of observation of direct two-photon-induced dispersion in three-level reflection spectroscopy at a vapor-dielectric interface are discussed. One shows how pump frequency modulation allows one to discriminate the two-photon singular contribution associated with atoms moving quasiparallel to the dielectric interface, and therefore single out off-resonant Doppler-free two-photon dispersion in selective reflection. A nonperturbative theoretical approach to two-photon reflection is shown to predict a dynamic Stark shift of the two-photon resonance, which has been experimentally observed on the 6S-6P-8S transition of cesium. @S1050-2947~96!06009-X#","PeriodicalId":11780,"journal":{"name":"EQEC'96. 1996 European Quantum Electronic Conference","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1996-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74645685","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: 9
Low-Frequency Chaos in Semiconductor Lasers with External Feedback 外反馈半导体激光器中的低频混沌
EQEC'96. 1996 European Quantum Electronic Conference Pub Date : 1996-10-01 DOI: 10.1142/9789814531115
N. Swanstom, D. Yu, W. Lu, J. Kollmer, R. Harrison
{"title":"Low-Frequency Chaos in Semiconductor Lasers with External Feedback","authors":"N. Swanstom, D. Yu, W. Lu, J. Kollmer, R. Harrison","doi":"10.1142/9789814531115","DOIUrl":"https://doi.org/10.1142/9789814531115","url":null,"abstract":"Sciiiiconductor diode lasers subject to external optical phase-conjugate feedback exhibit beh;ivior which can differ radically from the cffects of conventional optical feedback. Some of thcsc dilferences were reviewed for the case of a single-longitudinal mode semiconductor lascr [ 1 ). When the semiconductor laser oscillates in mullipte longitudinal modes, phase conjugetc feedback obtained through four-wave mixing can lead to mode locking and short-pulse","PeriodicalId":11780,"journal":{"name":"EQEC'96. 1996 European Quantum Electronic Conference","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1996-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79720942","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 Beam Self-Channeling in a Photorefractive Waveguide Caused by Fanning Effect 由扇宁效应引起的光折变波导中激光束的自通道
EQEC'96. 1996 European Quantum Electronic Conference Pub Date : 1996-09-01 DOI: 10.1117/12.2316076
A. Kamshilin, E. Raita, A. Khomenko
{"title":"Laser Beam Self-Channeling in a Photorefractive Waveguide Caused by Fanning Effect","authors":"A. Kamshilin, E. Raita, A. Khomenko","doi":"10.1117/12.2316076","DOIUrl":"https://doi.org/10.1117/12.2316076","url":null,"abstract":"We report an experimental observation of the light beam self-channeling inside the photorefractive Bi12TiO20 waveguide-like sample. The phenomenon occurs when the strong fanning effect takes place. Total internal reflections of fanned beams from the waveguide surfaces and their coupling with the pump beam result in the light intensity redistribution inside the photorefractive waveguide. The self-induced channel of the increased light intensity speeds up the photorefractive energy exchange process.","PeriodicalId":11780,"journal":{"name":"EQEC'96. 1996 European Quantum Electronic Conference","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1996-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78448954","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 Observation of Spatial solitons in Polymer Waveguides 聚合物波导中空间孤子的实验观察
EQEC'96. 1996 European Quantum Electronic Conference Pub Date : 1996-09-01 DOI: 10.1117/12.2316073
U. Bartuch, U. Peschel, T. Gabler, R. Waldhaust, H. Horhold
{"title":"Experimental Observation of Spatial solitons in Polymer Waveguides","authors":"U. Bartuch, U. Peschel, T. Gabler, R. Waldhaust, H. Horhold","doi":"10.1117/12.2316073","DOIUrl":"https://doi.org/10.1117/12.2316073","url":null,"abstract":"We investigated the beam propagation in a planar polymer waveguide. The formation of a spatial soliton is observed.","PeriodicalId":11780,"journal":{"name":"EQEC'96. 1996 European Quantum Electronic Conference","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1996-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87752413","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
Bose-Einstein Condensation in a Gas of Sodium Atoms 钠原子气体中的玻色-爱因斯坦凝聚
EQEC'96. 1996 European Quantum Electronic Conference Pub Date : 1996-05-01 DOI: 10.1109/EQEC.1996.561567
K. B. Davis, M. Mewes, M. R. Andrews, N. V. Druten, D. Durfee, D. M. Kurn, W. Ketterle
{"title":"Bose-Einstein Condensation in a Gas of Sodium Atoms","authors":"K. B. Davis, M. Mewes, M. R. Andrews, N. V. Druten, D. Durfee, D. M. Kurn, W. Ketterle","doi":"10.1109/EQEC.1996.561567","DOIUrl":"https://doi.org/10.1109/EQEC.1996.561567","url":null,"abstract":"We have observed Bose-Einstein condensation of sodium atoms. The atoms were trapped in a novel trap that employed both magnetic and optical forces. Evaporative cooling increased the phase-space density by 6 orders of magnitude within seven seconds. Condensates contained up to 5 3 105 atoms at densities exceeding 1014 cm23. The striking signature of Bose condensation was the sudden appearance of a bimodal velocity distribution below the critical temperature of , 2 mK. The distribution consisted of an isotropic thermal distribution and an elliptical core attributed to the expansion of a dense condensate.","PeriodicalId":11780,"journal":{"name":"EQEC'96. 1996 European Quantum Electronic Conference","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1996-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90550700","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: 3
Direct Simulation of Evaporative Cooling 蒸发冷却的直接模拟
EQEC'96. 1996 European Quantum Electronic Conference Pub Date : 1996-04-28 DOI: 10.1109/EQEC.1996.561603
Huang Wu, C. Foot
{"title":"Direct Simulation of Evaporative Cooling","authors":"Huang Wu, C. Foot","doi":"10.1109/EQEC.1996.561603","DOIUrl":"https://doi.org/10.1109/EQEC.1996.561603","url":null,"abstract":"We have simulated the evaporative cooling of trapped atoms using a very efficient method originally introduced for the study of molecular gas dynamics. This straightforward and intuitive method allows the dynamics of the evaporative cooling process to be studied and requires fewer simplifications and assumptions than other methods. In particular, the method is not restricted to distributions close to equilibrium and therefore it can model accurately rapid forced evaporative cooling, which is an important technique for cooling trapped atoms. We present the results of simulations for forced evaporative cooling in one, two and three dimensions.","PeriodicalId":11780,"journal":{"name":"EQEC'96. 1996 European Quantum Electronic Conference","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1996-04-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77788222","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: 62
Coherent Excitation of a He* Beam Observed in Atomic Momentum Distributions 原子动量分布中He*束的相干激发
EQEC'96. 1996 European Quantum Electronic Conference Pub Date : 1996-02-01 DOI: 10.1109/EQEC.1996.561744
C. Kurtsiefer, C. Ekstrom, D. Voigt, O. Dross, T. Pfau, J. Mlynek
{"title":"Coherent Excitation of a He* Beam Observed in Atomic Momentum Distributions","authors":"C. Kurtsiefer, C. Ekstrom, D. Voigt, O. Dross, T. Pfau, J. Mlynek","doi":"10.1109/EQEC.1996.561744","DOIUrl":"https://doi.org/10.1109/EQEC.1996.561744","url":null,"abstract":"We report on an experimental investigation of coherent optical excitation processes for an atomic two-level system in metastable helium. A simple absolute measure of the excitation probability is obtained from the deflection of an atomic beam, as excited atoms receive an additional momentum corresponding to a single photon recoil. With this method, we investigate the excitation process as a function of laser power, wavefront curvature and interaction time. Rabi oscillations are seen in the center-of-mass motion of an atomic ensemble for small wavefront curvatures, which change to adiabatic transfer produced by a Doppler detuning chirp for large wavefront curvatures. The adiabatic transfer provides a simple method for complete excitation of an atomic two-level system.","PeriodicalId":11780,"journal":{"name":"EQEC'96. 1996 European Quantum Electronic Conference","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1996-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81102970","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
Dynamical Density Grating in a Hot Vapor 热蒸汽中的动态密度光栅
EQEC'96. 1996 European Quantum Electronic Conference Pub Date : 1996-01-01 DOI: 10.1109/EQEC.1996.561510
G. Lippi, S. Barbay, G. Barozzi, A. Roux, J. Tredicce
{"title":"Dynamical Density Grating in a Hot Vapor","authors":"G. Lippi, S. Barbay, G. Barozzi, A. Roux, J. Tredicce","doi":"10.1109/EQEC.1996.561510","DOIUrl":"https://doi.org/10.1109/EQEC.1996.561510","url":null,"abstract":"We create ii dark optical lattice structure in ii scanding wave tuned to the blue of the F=3 to F=3 Irtinsition ofthe XSRubidiuin DI-line. The coupling of the F=3 ground slate lo both the F=2 and F=3 excited states induces a periodic potential i n which the atoms are trapped at locations of purely circular polarisation, wherc they itre only weakly coupled to the light field. We adiabatically release the atoms rrom the optical lattice and measure their inomentuin distribution with a resolution of one third of 21 single photon recoil. During the adiabatic release the quasi-momentum and the population of the energy bands are conserved. The population of the lowest energy band is mapped on the -hk to +hk momentum interval of the free atom, and the first energy band is mapped on the two momentum intervals -2hk to -hk and hk to 2hk. The figure shows the measured populations i n comparision with those determined by a numerical simulation, which uses a rate equation approach to obtain the steady state populations of the Bloch states.","PeriodicalId":11780,"journal":{"name":"EQEC'96. 1996 European Quantum Electronic Conference","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1996-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73538832","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
Interference of Bound-Bound and Bound-Free Transitions in Strong Lser Fields 强激光场中有界跃迁和无界跃迁的干扰
EQEC'96. 1996 European Quantum Electronic Conference Pub Date : 1996-01-01 DOI: 10.1109/EQEC.1996.561813
A. Popov, V.V. Kinberg
{"title":"Interference of Bound-Bound and Bound-Free Transitions in Strong Lser Fields","authors":"A. Popov, V.V. Kinberg","doi":"10.1109/EQEC.1996.561813","DOIUrl":"https://doi.org/10.1109/EQEC.1996.561813","url":null,"abstract":"","PeriodicalId":11780,"journal":{"name":"EQEC'96. 1996 European Quantum Electronic Conference","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1996-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73837111","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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