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Related papers: Conversion of $^{40}$K-$^{87}$Rb mixtures into sta…

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Stimulated Raman Adiabatic Passage (STIRAP) is a widely used method for adiabatic population transfer in a multilevel system. In this work, we study STIRAP under novel conditions and focus on the fractional, F-STIRAP, which is known to…

A novel atom-molecule conversion technique has been investigated. Ultracold 85Rb atoms sitting in a DC magnetic field near the 155G Feshbach resonance are associated by applying a small sinusoidal oscillation to the magnetic field. There is…

Other Condensed Matter · Physics 2009-11-11 S. T. Thompson , E. Hodby , C. E. Wieman

We propose a scheme to realize a highly efficient solid state source of photon pairs using cavity-assisted stimulated Raman adiabatic passage (STIRAP) in a single quantum dot, where a single photon from pump pulse and two stokes photons…

Mesoscale and Nanoscale Physics · Physics 2016-09-07 J K Verma , P K Pathak

We develop the theory for the Adiabatic Raman Photoassociation (ARPA) of ultracold atoms to form ultracold molecules in the presence of scattering resonances. Based on a computational method in which we replace the continuum with a discrete…

Atomic Physics · Physics 2012-11-27 Alex C. Han , Evgeny A. Shapiro , Moshe Shapiro

We report the creation of ultracold ground state $^{6}\textrm{Li}^{40}\textrm{K}$ polar molecules with high efficiency. Starting from weakly-bound molecules state, stimulated Raman adiabatic passage (STIRAP) is adopted to coherently…

Quantum Gases · Physics 2023-10-06 Canming He , Xiaoyu Nie , Victor Avalos , Sofia Botsi , Sunil Kumar , Anbang Yang , Kai Dieckmann

We demonstrate experimentally how the process of Stimulated Raman Adiabatic Passage (STIRAP) can be utilized for efficient coherent internal state transfer in single trapped and laser-cooled $^{40}$Ca$^+$ ions. The transfer from the…

Achieving a high population of antihydrogen/hydrogen atoms in the 2S level is essential for spectroscopy measurements testing similarities between matter and antimatter. We propose and examine the efficiency of applying the STIRAP…

Atomic Physics · Physics 2025-09-19 AbdAlGhaffar K. Amer , A. Capra , T. Friesen , M. C. Fujiwara , T. Momose , C. So , F. Robicheaux

Two-color photoassociation of ground state $^6$Li$^{87}$Rb molecules via the $\mathrm{B}^1\Pi$ electronic state using short pulses near a magnetic Feshbach resonance is studied theoretically. A near-resonant magnetic field is applied to mix…

Atomic Physics · Physics 2014-02-04 Marko Gacesa , Subhas Ghosal , Jason Byrd , Robin Côté

We consider combined stimulated Raman adiabatic passage (STIRAP) and fast forward field (FFF) control of selective vibrational population transfer in a polyatomic molecule. The motivation for using this combination control scheme is…

Mesoscale and Nanoscale Physics · Physics 2015-08-19 Shumpei Masuda , Stuart A. Rice

We experimentally demonstrate composite stimulated Raman adiabatic passage (CSTIRAP), which combines the concepts of composite pulse sequences and adiabatic passage. The technique is applied for population transfer in a rare-earth doped…

Quantum Physics · Physics 2018-11-15 Alexander Bruns , Genko T. Genov , Marcel Hain , Nikolay V. Vitanov , Thomas Halfmann

We produce ultracold dense trapped samples of 87Rb133Cs molecules in their rovibrational ground state, with full nuclear hyperfine state control, by stimulated Raman adiabatic passage (STIRAP) with efficiencies of 90%. We observe the onset…

We investigate magnetoassociation of ultracold fermionic Feshbach molecules in a mixture of $^{40}$K and $^{87}$Rb atoms, where we can create as many as $7\times 10^4$ $^{40}$K$^{87}$Rb molecules with a conversion efficiency as high as 45%.…

Quantum Gases · Physics 2013-09-12 Tyler D. Cumby , Ruth A. Shewmon , Ming-Guang Hu , John D. Perreault , Deborah S. Jin

We investigate the stimulated Raman adiabatic passage in two-color photoassociation for a atom-molecule Bose-Einstein condensate. By applying two time-varying Guassian laser pulses that fulfill generalized two-photon resonance condition, we…

Quantum Physics · Physics 2015-05-13 Guang-Ri Jin , Sang Wook Kim

We experimentally demonstrate efficient Raman conversion to respective Stokes and anti-Stokes fields in both pulsed and continuous modes with a Rb-87 atomic vapor cell. The conversion efficiency is about 40-50% for the Stokes field and…

Atomic Physics · Physics 2012-10-19 Bing Chen , Kai Zhang , Chun-Hua Yuan , Chengling Bian , Cheng Qiu , L. Q. Chen , Z. Y. Ou , Weiping Zhang

We report the binding energy of $^{87}$Rb$^{133}$Cs molecules in their rovibrational ground state measured using an offset-free optical frequency comb based on difference frequency generation technology. We create molecules in the absolute…

We propose a technique which produces nearly complete ionization of the population of a discrete state coupled to a continuum by a two-photon transition via a lossy intermediate state whose lifetime is much shorter than the interaction…

Quantum Physics · Physics 2010-10-07 A. A. Rangelov , N. V. Vitanov , E. Arimondo

Inspired by a recent experiment [Phys. Rev. Letts. \textbf{122}, 253201(2019)] that an unprecedented quantum interference was observed in the way of Stimulated Raman adiabatic passage (STIRAP) due to the coexisting resonant- and…

Atomic Physics · Physics 2020-03-24 Yichun Gao , Jianqin Xu , Jing Qian

We show theoretically that it is possible to form a cold molecular ion from a pair of colliding atom and ion at low energy by photoassociative two-photon Raman processes. We explore the possibility of stimulated Raman adiabatic passage…

Atomic Physics · Physics 2016-09-13 Dibyendu Sardar , Somnath Naskar , Arpita Pal , Bimalendu Deb

We describe how stimulated Raman adiabatic passage (STIRAP) can be applied to create spectral holes in an inhomogeneously broadened system. Due to the robustness of STIRAP, our proposal guarantees high flexibility and accuracy and, at…

Quantum Physics · Physics 2019-08-13 Kamanasish Debnath , Alexander Holm Kiilerich , Albert Benseny , Klaus Mølmer

We consider the population transfer process in a Lambda-type atomic medium of unequal oscillator strengths by stimulated Raman adiabatic passage via bright-state (b-STIRAP) taking into account propagation effects. Using both analytic and…

Quantum Physics · Physics 2013-06-11 G. G. Grigoryan , C. Leroy , Y. Pashayan-Leroy , L. Chakhmakhchyan , S. Guérin , H. R. Jauslin