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Quantum Optics: Journal of The European Optical Society Part B最新文献

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Induced absorption and stimulated emission in the ground state of a three-level atom 三能级原子基态的诱导吸收和受激发射
Quantum Optics: Journal of The European Optical Society Part B Pub Date : 1992-06-01 DOI: 10.1088/0954-8998/4/3/001
C. Mavroyannis
{"title":"Induced absorption and stimulated emission in the ground state of a three-level atom","authors":"C. Mavroyannis","doi":"10.1088/0954-8998/4/3/001","DOIUrl":"https://doi.org/10.1088/0954-8998/4/3/001","url":null,"abstract":"Studies the competition between absorption and stimulated emission induced by two laser fields at low intensities interacting on a two-photon resonance with a three-level atom. The induced spectrum into the ground state consists of a peak whose height and asymmetry depend strongly on the detuning. The spectra arising from the emission of a laser photon by the excited state consists of two peaks describing stimulated emission and induced absorption, respectively, where the former dominates the latter for small values of the Rabi frequencies but for higher ones, they cancel each other out.","PeriodicalId":130003,"journal":{"name":"Quantum Optics: Journal of The European Optical Society Part B","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125678893","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: 7
The effect of the counter-rotating terms in the case of the Jaynes-Cummings model with cavity losses: novel dynamical and steady-state behaviour 具有空腔损失的Jaynes-Cummings模型中逆旋转项的影响:新的动态和稳态行为
Quantum Optics: Journal of The European Optical Society Part B Pub Date : 1992-06-01 DOI: 10.1088/0954-8998/4/3/002
J. Seke
{"title":"The effect of the counter-rotating terms in the case of the Jaynes-Cummings model with cavity losses: novel dynamical and steady-state behaviour","authors":"J. Seke","doi":"10.1088/0954-8998/4/3/002","DOIUrl":"https://doi.org/10.1088/0954-8998/4/3/002","url":null,"abstract":"It is pointed out that the inclusion of the counter-rotating terms into the Jaynes-Cummings model with cavity losses changes the dynamical and steady-state behaviour of the decaying system to the extent that a prevention of the total atomic deexcitation, leading to novel steady states, occurs. Numerical and analytic results demonstrate the significance of the counter-rotating terms in both high- and low-Q cavities.","PeriodicalId":130003,"journal":{"name":"Quantum Optics: Journal of The European Optical Society Part B","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129396338","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: 4
Quantum theory of femtosecond solitons in optical fibres 光纤中飞秒孤子的量子理论
Quantum Optics: Journal of The European Optical Society Part B Pub Date : 1992-06-01 DOI: 10.1088/0954-8998/4/3/003
F. Singer, M. Potasek, M. Teich
{"title":"Quantum theory of femtosecond solitons in optical fibres","authors":"F. Singer, M. Potasek, M. Teich","doi":"10.1088/0954-8998/4/3/003","DOIUrl":"https://doi.org/10.1088/0954-8998/4/3/003","url":null,"abstract":"The authors use the time-dependent Hartree approximation to obtain the solution to the quantum higher-order non-linear Schrodinger equation. This equation describes femtosecond pulses propagating in non-linear optical fibres and can have soliton solutions. These solitons travel at velocities that differ from the picosecond solitons obtained from the standard quantum non-linear Schrodinger equation. The authors find that these femtosecond solitons cannot propagate in graded-index fibres; rather, they require quadrupole-clad fibres. This is the first investigation of quantum effects in femtosecond solitons to the authors' knowledge.","PeriodicalId":130003,"journal":{"name":"Quantum Optics: Journal of The European Optical Society Part B","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116332423","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
Quantum noise reduction in the squeezed pump non-degenerate parametric oscillator 压缩泵浦非简并参量振荡器的量子噪声抑制
Quantum Optics: Journal of The European Optical Society Part B Pub Date : 1992-06-01 DOI: 10.1088/0954-8998/4/3/006
W. Munro, M. Reid
{"title":"Quantum noise reduction in the squeezed pump non-degenerate parametric oscillator","authors":"W. Munro, M. Reid","doi":"10.1088/0954-8998/4/3/006","DOIUrl":"https://doi.org/10.1088/0954-8998/4/3/006","url":null,"abstract":"The authors present a simple quantum model of the non-degenerate parametric oscillator above threshold where the pump has squeezed fluctuations. Quantum noise reduction is predicted not only for the signal and idler beams intensity difference, but also for the intensity sum. For pumps with greatly reduced intensity fluctuations, near perfect squeezing is also predicted for the individual signal and idler intensities.","PeriodicalId":130003,"journal":{"name":"Quantum Optics: Journal of The European Optical Society Part B","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130405477","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: 4
Exact theory of spontaneous decay of a twofold excited non-linear oscillator 双激非线性振荡器自发衰减的精确理论
Quantum Optics: Journal of The European Optical Society Part B Pub Date : 1992-06-01 DOI: 10.1088/0954-8998/4/3/005
A. Kozhekin, V. Rupasov
{"title":"Exact theory of spontaneous decay of a twofold excited non-linear oscillator","authors":"A. Kozhekin, V. Rupasov","doi":"10.1088/0954-8998/4/3/005","DOIUrl":"https://doi.org/10.1088/0954-8998/4/3/005","url":null,"abstract":"The interaction of a quantized electromagnetic field with a non-linear oscillator is described by a model which is analogous to the Dicke model. The exact two-particle eigenstates of the 'oscillator+field' system are obtained and these states are used to solve the problem of spontaneous decay of a twofold excited state of a non-linear oscillator. The shape of radiation lines and the 'linear oscillator' paradox are discussed. The authors also hope the exact solution of the problem will be useful for investigations of two-photon correlations in a non-linear medium for all cases when multiphoton correlations are insignificant.","PeriodicalId":130003,"journal":{"name":"Quantum Optics: Journal of The European Optical Society Part B","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125405273","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
Classical configuration space and Schrodinger wavefunctionals for the photon 光子的经典构型空间和薛定谔波泛函
Quantum Optics: Journal of The European Optical Society Part B Pub Date : 1992-06-01 DOI: 10.1088/0954-8998/4/3/007
E. Pike, S. Sarkar
{"title":"Classical configuration space and Schrodinger wavefunctionals for the photon","authors":"E. Pike, S. Sarkar","doi":"10.1088/0954-8998/4/3/007","DOIUrl":"https://doi.org/10.1088/0954-8998/4/3/007","url":null,"abstract":"The concept of a Schrodinger wavefunctional for an electromagnetic vector potential is used to give a new measure of localizability of photon states. The mathematical properties of the relevant infinite-dimensional Hilbert space are discussed.","PeriodicalId":130003,"journal":{"name":"Quantum Optics: Journal of The European Optical Society Part B","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114061326","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
Amplitude-squeezed number-phase intelligent states in a directional coupler 定向耦合器的幅值压缩数相智能态
Quantum Optics: Journal of The European Optical Society Part B Pub Date : 1992-06-01 DOI: 10.1088/0954-8998/4/3/004
J. Janszky, P. Adam, M. Bertolotti, C. Sibilia
{"title":"Amplitude-squeezed number-phase intelligent states in a directional coupler","authors":"J. Janszky, P. Adam, M. Bertolotti, C. Sibilia","doi":"10.1088/0954-8998/4/3/004","DOIUrl":"https://doi.org/10.1088/0954-8998/4/3/004","url":null,"abstract":"The evolution of number-phase intelligent states in a directional coupler is studied looking at the conditions to reach the minimum number of photons needed for switching.","PeriodicalId":130003,"journal":{"name":"Quantum Optics: Journal of The European Optical Society Part B","volume":"147 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132322196","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: 15
Vacuum-field Rabi oscillations in a bimodal cavity 双峰腔中的真空场拉比振荡
Quantum Optics: Journal of The European Optical Society Part B Pub Date : 1992-04-01 DOI: 10.1088/0954-8998/4/2/003
H. T. Dung, A. Shumovsky
{"title":"Vacuum-field Rabi oscillations in a bimodal cavity","authors":"H. T. Dung, A. Shumovsky","doi":"10.1088/0954-8998/4/2/003","DOIUrl":"https://doi.org/10.1088/0954-8998/4/2/003","url":null,"abstract":"Examining the spontaneous emission of a two-level atom interacting at the same time with two modes of the cavity radiation field the authors show that such multimode coupling may lead to irregular patterns in the vacuum-field Rabi oscillations. It also leads to the appearance of a new line in the spontaneous emission spectra in comparison with the case of single-mode single-atom coupling.","PeriodicalId":130003,"journal":{"name":"Quantum Optics: Journal of The European Optical Society Part B","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122301104","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
Berry phases and Rabi oscillations 贝里相和拉比振荡
Quantum Optics: Journal of The European Optical Society Part B Pub Date : 1992-04-01 DOI: 10.1088/0954-8998/4/2/006
D. Moore
{"title":"Berry phases and Rabi oscillations","authors":"D. Moore","doi":"10.1088/0954-8998/4/2/006","DOIUrl":"https://doi.org/10.1088/0954-8998/4/2/006","url":null,"abstract":"The Berry phases for a spherically symmetric atom in a circularly polarized semiclassical radiation field are calculated using an operator decomposition scheme. The author then takes the two-level atomic limit and recovers the Berry phases already calculated by other means. His attention is then focused on the two-level atom. He shows that in the semiclassical problem the Rabi oscillations do not arise from cyclic wavefunctions. Hence any comparison of the phases of the initial and final states must use the Pancharatnam connection. In the quantum model he no longer gets perfect Rabi oscillations as there are partial collapses and revivals. These collapses and revivals are exploited in alternative quantum optical models, the Raman coupling model and intensity-dependent coupling model, for which they are exactly cyclic. Again he finds that he must invoke the Pancharatnam connection.","PeriodicalId":130003,"journal":{"name":"Quantum Optics: Journal of The European Optical Society Part B","volume":"66 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126745711","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
Resonant two-photon interference spectra induced by a bichromatic field in the excited state of a three-level atom 三能级原子激发态双色场诱导的共振双光子干涉光谱
Quantum Optics: Journal of The European Optical Society Part B Pub Date : 1992-04-01 DOI: 10.1088/0954-8998/4/2/005
C. Mavroyannis
{"title":"Resonant two-photon interference spectra induced by a bichromatic field in the excited state of a three-level atom","authors":"C. Mavroyannis","doi":"10.1088/0954-8998/4/2/005","DOIUrl":"https://doi.org/10.1088/0954-8998/4/2/005","url":null,"abstract":"The interference spectra arising from the competition between a spontaneous process and an induced one by two laser fields, which interact on two-photon resonance with a three-level atom in the Lambda configuration have been considered. In the low intensity limit of both laser fields, the frequency profiles of the two peaks, which arise from the spontaneous and induced processes, respectively, cancel each other out completely at the centre of the line for zero detuning and at the finite values of the detuning as well. At those frequencies, the fluorescent light totally disappears. The interference spectra arising from the absorption of a laser photon by the ground state of the atom consists of two peaks describing the induced processes of absorption and stimulated emission, respectively.","PeriodicalId":130003,"journal":{"name":"Quantum Optics: Journal of The European Optical Society Part B","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125107373","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
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