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Compact superluminescent AlGaInAs/InP strain-compensated quantum-well diodes for fibre-optic gyroscopes 光纤陀螺仪用紧凑超发光AlGaInAs/InP应变补偿量子阱二极管
IF 0.9 4区 工程技术
Quantum Electronics Pub Date : 2022-06-01 DOI: 10.1070/qel18069
D. R. Sabitov, V. Svetogorov, Y. Ryaboshtan, M. Ladugin, A. Marmalyuk, M. G. Vasil’ev, A. M. Vasil’ev, Yu. O. Kostin, A. Shelyakin
{"title":"Compact superluminescent AlGaInAs/InP strain-compensated quantum-well diodes for fibre-optic gyroscopes","authors":"D. R. Sabitov, V. Svetogorov, Y. Ryaboshtan, M. Ladugin, A. Marmalyuk, M. G. Vasil’ev, A. M. Vasil’ev, Yu. O. Kostin, A. Shelyakin","doi":"10.1070/qel18069","DOIUrl":"https://doi.org/10.1070/qel18069","url":null,"abstract":"Compact superluminescent diodes based on AlGaInAs/InP separate-confinement double heterostructures with strain-compensated quantum wells are studied. The characteristics of these diodes that allow their application for development of fibre-optic gyroscopes in a temperature range from – 55 °C – +70 °C are demonstrated. The devices demonstrate an acceptable reliability and a potential for further improvement.","PeriodicalId":20775,"journal":{"name":"Quantum Electronics","volume":"16 1","pages":"577 - 579"},"PeriodicalIF":0.9,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87663151","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Stimulated low-frequency Raman light scattering in systems of nano- and submicron-sized particles 受激低频拉曼光散射在纳米和亚微米大小的粒子系统
IF 0.9 4区 工程技术
Quantum Electronics Pub Date : 2022-06-01 DOI: 10.1070/qel18060
M. A. Karpov, A. Kudryavtseva, M. Shevchenko, N. V. Tcherniega, S. F. Umanskaya
{"title":"Stimulated low-frequency Raman light scattering in systems of nano- and submicron-sized particles","authors":"M. A. Karpov, A. Kudryavtseva, M. Shevchenko, N. V. Tcherniega, S. F. Umanskaya","doi":"10.1070/qel18060","DOIUrl":"https://doi.org/10.1070/qel18060","url":null,"abstract":"We present a brief review of experimental work on the investigation of stimulated low-frequency Raman scattering of light in systems of submicron and nanosized particles of various physical nature.","PeriodicalId":20775,"journal":{"name":"Quantum Electronics","volume":"1 1","pages":"580 - 586"},"PeriodicalIF":0.9,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89043350","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Characteristics of a heterodyne laser interferometer laboratory model for the development of a space gravimetry project 用于空间重力测量项目开发的外差激光干涉仪实验室模型的特性
IF 0.9 4区 工程技术
Quantum Electronics Pub Date : 2022-06-01 DOI: 10.1070/qel18061
K. Kudeyarov, V. Milyukov, D. Kryuchkov, I. Semerikov, O. Ivlev, K. Khabarova, N. Kolachevsky
{"title":"Characteristics of a heterodyne laser interferometer laboratory model for the development of a space gravimetry project","authors":"K. Kudeyarov, V. Milyukov, D. Kryuchkov, I. Semerikov, O. Ivlev, K. Khabarova, N. Kolachevsky","doi":"10.1070/qel18061","DOIUrl":"https://doi.org/10.1070/qel18061","url":null,"abstract":"We investigate displacement measurements of up to 17 μm on a heterodyne laser interferometer laboratory model. The measurement error for small (up to 200 nm) linear displacements is found to be 270 pm at a 10-s averaging time. The results obtained can be used for developing a space laser interferometric system for the global Earth’s gravity field mapping.","PeriodicalId":20775,"journal":{"name":"Quantum Electronics","volume":"107 1","pages":"555 - 559"},"PeriodicalIF":0.9,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78623849","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evolution of an ultracold gas in a non-Abelian gauge field: finite temperature effect 非阿贝尔规范场中超冷气体的演化:有限温度效应
IF 0.9 4区 工程技术
Quantum Electronics Pub Date : 2022-06-01 DOI: 10.1070/qel18071
M. Hasan, C. Madasu, K. Rathod, C. Kwong, D. Wilkowski
{"title":"Evolution of an ultracold gas in a non-Abelian gauge field: finite temperature effect","authors":"M. Hasan, C. Madasu, K. Rathod, C. Kwong, D. Wilkowski","doi":"10.1070/qel18071","DOIUrl":"https://doi.org/10.1070/qel18071","url":null,"abstract":"The cooling mechanisms of a Fermionic strontium-87 gas are refined in order to study its evolution under a non-Abelian gauge field. Significant attention is paid to the effect of the finite temperature of the gas on the process in question. The efficiency of the loading of atoms in a cross-dipole trap is described in detail, the quantitative performance of the evaporative cooling is calculated, and a degenerate Fermi gas is characterised using a Thomas – Fermi distribution.","PeriodicalId":20775,"journal":{"name":"Quantum Electronics","volume":"1 1","pages":"532 - 537"},"PeriodicalIF":0.9,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90497113","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Magnetic coherence effects in the spectroscopy of transitions between energy levels with total angular momenta J = 1/2 and J = 1 using unidirectional waves 单向波在总角动量J = 1/2和J = 1能级跃迁中的磁相干效应
IF 0.9 4区 工程技术
Quantum Electronics Pub Date : 2022-06-01 DOI: 10.1070/QEL18063
É. Saprykin, A. Chernenko
{"title":"Magnetic coherence effects in the spectroscopy of transitions between energy levels with total angular momenta J = 1/2 and J = 1 using unidirectional waves","authors":"É. Saprykin, A. Chernenko","doi":"10.1070/QEL18063","DOIUrl":"https://doi.org/10.1070/QEL18063","url":null,"abstract":"The physical processes that form the spectra of saturated absorption resonances at atomic transitions between energy levels with angular momenta J = 1/2 and J = 1 in the field of two unidirectional linearly polarised laser waves are studied analytically and numerically. It is shown that the specific features of the resonance spectra are formed in the Λ-schemes of transitions and manifest themselves in the form of narrow coherent structures – dips due to the magnetic coherence (optical orientation) of the transition levels induced by the optical fields. In this case, the energy levels of the lower state make the main contribution, and the contribution of the transfer of magnetic coherence from the sublevels of the upper state to the lower ones in the resonance amplitude manifests itself as an additive. Conditions are found under which the nonlinear resonance is exclusively coherent. The effect of the saturating wave field on the shape of coherent resonance structures is studied.","PeriodicalId":20775,"journal":{"name":"Quantum Electronics","volume":"17 1","pages":"560 - 569"},"PeriodicalIF":0.9,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80467252","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Prospects for anisotropic superfluidity in a Fermi gas of dysprosium 镝费米气体中各向异性超流动性的展望
IF 0.9 4区 工程技术
Quantum Electronics Pub Date : 2022-06-01 DOI: 10.1070/QEL18065
V. Vinogradov, K. Karpov, M. Platonova, A. V. Turlapov
{"title":"Prospects for anisotropic superfluidity in a Fermi gas of dysprosium","authors":"V. Vinogradov, K. Karpov, M. Platonova, A. V. Turlapov","doi":"10.1070/QEL18065","DOIUrl":"https://doi.org/10.1070/QEL18065","url":null,"abstract":"The possibility of obtaining superfluid phases for a Fermi gas of dysprosium with a magnetic dipole – dipole interaction is discussed. The obstacles and possible solutions are shown. The required phases are similar to the A1 phase and the polar β phase in 3He. It is expected that in dysprosium, the macroscopic properties of the phase will be determined by the symmetry of the pair interactions. It is assumed to observe the kinetics of phase formation and spontaneous choice between two energy-degenerate phases with different projections of the orbital angular momentum.","PeriodicalId":20775,"journal":{"name":"Quantum Electronics","volume":"3 1","pages":"528 - 531"},"PeriodicalIF":0.9,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75156699","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
CW optical parametric oscillator for the mid-IR range 中红外波段的连续波光学参量振荡器
IF 0.9 4区 工程技术
Quantum Electronics Pub Date : 2022-06-01 DOI: 10.1070/qel18066
M. Yakovin, P. Chapovsky
{"title":"CW optical parametric oscillator for the mid-IR range","authors":"M. Yakovin, P. Chapovsky","doi":"10.1070/qel18066","DOIUrl":"https://doi.org/10.1070/qel18066","url":null,"abstract":"We report the development of a cw optical parametric oscillator (OPO) for the mid-IR range. The oscillator uses a 50-mm long periodically poled lithium niobate crystal in a ring resonator. The OPO is pumped by an ytterbium fibre laser with a wavelength of 1.064 μm. At a pump power of 10 W, the OPO generates continuous radiation with a wavelength of 3.6 μm and a power of 2.8 W. The pump power depletion in the OPO is 94 %. The idler wave frequency of the OPO is stabilised using a precision laser wavelength meter. The rms error of the idler wave frequency in the stabilisation regime is 3 MHz. A simple theoretical model for the operation of a cw OPO is proposed, based on an empirical characteristic of the OPO, i.e., the pump depletion, and on a quantum description of three interacting light waves. The power characteristics of the operating OPO are in good agreement with those predicted by the theoretical model.","PeriodicalId":20775,"journal":{"name":"Quantum Electronics","volume":"482 1","pages":"549 - 554"},"PeriodicalIF":0.9,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72942382","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Dynamics of three-photon laser excitation of mesoscopic ensembles of cold rubidium atoms to Rydberg states 冷铷原子介观系综三光子激光激发至里德伯态的动力学
IF 0.9 4区 工程技术
Quantum Electronics Pub Date : 2022-06-01 DOI: 10.1070/qel18064
D. Tretyakov, V. Entin, E. Yakshina, I. Beterov, I. Ryabtsev
{"title":"Dynamics of three-photon laser excitation of mesoscopic ensembles of cold rubidium atoms to Rydberg states","authors":"D. Tretyakov, V. Entin, E. Yakshina, I. Beterov, I. Ryabtsev","doi":"10.1070/qel18064","DOIUrl":"https://doi.org/10.1070/qel18064","url":null,"abstract":"The temporal dynamics of three-photon 5S1/2 → 5P3/2 → 6S1/2 → 39P3/2 laser excitation of mesoscopic ensembles of cold Rb atoms to Rydberg states in a magneto-optical trap is studied using cw single-frequency lasers at each stage. The ensembles comprise N = 1 – 5 atoms and are detected by the method of selective field ionisation with postselection with respect to the number of atoms. The dependence of the excitation probability on the duration of the exciting laser pulses and the number of detected Rydberg atoms is investigated. At short interaction times, a linear increase in probabilities is observed, and at large times, the probabilities reach saturation, while each number of atoms has its own characteristic features. The experimental dependences are compared with the results of numerical calculations in the framework of a four-level model, and their good agreement is obtained. The conditions necessary for observing Rabi population oscillations are determined. The obtained results are important for the application of Rydberg atoms in quantum information.","PeriodicalId":20775,"journal":{"name":"Quantum Electronics","volume":"78 1","pages":"513 - 522"},"PeriodicalIF":0.9,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91298420","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Specificity of micro- and nanoproducts of titanium laser ablation in pure water 纯水中钛激光烧蚀微纳产物的特异性
IF 0.9 4区 工程技术
Quantum Electronics Pub Date : 2022-06-01 DOI: 10.1070/qel18068
T. Borodina, G. E. Val’yano, M. M. Malikov
{"title":"Specificity of micro- and nanoproducts of titanium laser ablation in pure water","authors":"T. Borodina, G. E. Val’yano, M. M. Malikov","doi":"10.1070/qel18068","DOIUrl":"https://doi.org/10.1070/qel18068","url":null,"abstract":"Laser ablation of titanium in distilled water at high and low power densities of copper vapour laser beam in the focal spot on a target surface is experimentally studied. Ablation regimes with different pulsed energy inputs and target irradiation times are investigated. The morphology and elemental and phase compositions of micro- and nanoaggregates obtained in different irradiation regimes are studied using electron microscopy, X-ray diffraction analysis, and Raman spectroscopy. The ablation products are found to be practically totally in the X-ray amorphous state.","PeriodicalId":20775,"journal":{"name":"Quantum Electronics","volume":"56 1","pages":"587 - 592"},"PeriodicalIF":0.9,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87100096","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Interaction of blackbody radiation with rubidium and caesium atoms in small-angular-momentum Rydberg states 黑体辐射与小角动量里德伯态铷和铯原子的相互作用
IF 0.9 4区 工程技术
Quantum Electronics Pub Date : 2022-06-01 DOI: 10.1070/QEL18059
I. L. Glukhov, A. A. Kamenski, V. D. Ovsiannikov
{"title":"Interaction of blackbody radiation with rubidium and caesium atoms in small-angular-momentum Rydberg states","authors":"I. L. Glukhov, A. A. Kamenski, V. D. Ovsiannikov","doi":"10.1070/QEL18059","DOIUrl":"https://doi.org/10.1070/QEL18059","url":null,"abstract":"We examine the possibilities of refining an asymptotic description and quantitative calculations of the effects induced by thermal blackbody radiation (BBR) of the environment on the Rydberg states of atoms. Numerical values are calculated and asymptotic expressions are proposed for simplified estimates of natural lifetimes and threshold photoionisation cross sections for Rydberg states of rubidium and caesium atoms with large values of the principal quantum number, n ⩾ 20, and small orbital momenta, l = 0, 1, 2, 3. Based on analytical expressions, we present numerical estimates for the contributions of photoionisation probabilities to the BBR-induced broadening of the Rydberg energy level, as well as the contributions of continuum integrals to thermally induced shifts in the Rydberg-state energy levels.","PeriodicalId":20775,"journal":{"name":"Quantum Electronics","volume":"39 1","pages":"570 - 576"},"PeriodicalIF":0.9,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73160051","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","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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