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Magnetometry is an important tool prevalent in many applications such as fundamental research, material characterization and biological imaging. Atomic magnetometry conventionally makes use of two quantum states, the energy difference of…

Quantum Physics · Physics 2019-10-02 Yotam Shapira , Yehonatan Dallal , Roee Ozeri , Ady Stern

We describe the design, construction and operation of a versatile dual-species Zeeman slower for both Cs and Yb, which is easily adaptable for use with other alkali metals and alkaline earths. With the aid of analytic models and numerical…

Atomic Physics · Physics 2016-05-06 S. A. Hopkins , K. Butler , R. Freytag , A. Guttridge , S. Kemp , E. A. Hinds , M. R. Tarbutt , S. L. Cornish

We demonstrate a minimally-destructive in situ technique for measuring and stabilizing slowly-drifting magnetic fields in ultracold-atom experiments. While conventional magnetic-field sensors such as Hall, giant magnetoresistive, or…

We present a theoretical investigation of coherent dynamics of a spin qubit encoded in hyperfine sublevels of an alkali-metal atom in a far off-resonant optical dipole trap. The qubit is prepared in the "clock transition" utilizing the…

We investigate the feasibility of combining Raman optical lattices with a quantum computing architecture based on lattice-confined magnetically interacting neutral atoms. A particular advantage of the standing Raman field lattices comes…

Quantum Physics · Physics 2009-11-13 Boris Ravaine , Andrei Derevianko , P. R. Berman

We present the experimental apparatus enabling the observation of the heteronuclear Efimov effect in an optically trapped ultracold mixture of $^6$Li-$^{133}$Cs with high-resolution control of the interactions. A compact double-species…

We present a dual-species effusive source and Zeeman slower designed to produce slow atomic beams of two elements with a large mass difference and with very different oven temperature requirements. We demonstrate this design for the case of…

Atomic Physics · Physics 2016-05-04 William Bowden , Will Gunton , Mariusz Semczuk , Kahan Dare , Kirk W. Madison

We present magneto-optical studies of a self-assembled semiconductor quantum dot in neutral and positively charged states. The diamagnetic shifts and Zeeman splitting of many well-identified optical transitions are precisely measured.…

Mesoscale and Nanoscale Physics · Physics 2025-03-19 Giora Peniakov , Ayal Beck , Eilon Poem , Zu-En Su , Boaz Taitler , Sven Hoefling , Garnett. W. Bryant , David Gershoni

Transversely loaded bidimensional-magneto-optical-traps (2D-MOT) have been recently developed as high flux sources for cold strontium atoms to realize a new generation of compact experimental setups. Here, we discuss on the implementation…

The capture of a moving atom by a non-dissipative trap, such as an optical dipole trap, requires the removal of the excessive kinetic energy of the atom. In this article we develop a mechanism to harvest ultra cold atoms from a guided atom…

Quantum Physics · Physics 2009-12-14 Anoush Aghajani-Talesh , Markus Falkenau , Axel Griesmaier , Tilman Pfau

The nonlinear magneto-optical effect has significantly impacted modern society with prolific applications ranging from precision mapping of the Earth's magnetic field to bio-magnetic sensing. Pioneering works on collisional spin-exchange…

Optics · Physics 2016-09-05 Feng Zhou , Chengjie Zhu , E. W. Hagley , L. Deng

We demonstrate control of the differential Zeeman shift between clock states of ultracold rubidium atoms by means of non-resonant microwave dressing. Using the dc-field dependence of the microwave detuning, we suppress the first and second…

Atomic Physics · Physics 2017-07-13 L. Sárkány , P. Weiss , H. Hattermann , J. Fortágh

We use quantum optimal control theory algorithms to design external electric fields that drive the coupled spin and orbital dynamics of an electron in a double quantum dot, subject to the spin-orbit interaction and Zeeman magnetic fields.…

Mesoscale and Nanoscale Physics · Physics 2016-02-17 J. A. Budagosky , D. V. Khomitsky , E. Ya. Sherman , Alberto Castro

A mechanism is advanced suggesting the resolution of the dichotomy of long-lived spin polarization storage versus fast spin reversal at the required time. A system of atoms or molecules is considered interacting through magnetic dipolar…

Mesoscale and Nanoscale Physics · Physics 2018-11-14 V. I. Yukalov , E. P. Yukalova

We report a robust technique for laser frequency stabilisation that enables the reproducible loading of in excess of 10$^{9}$ Yb atoms from a Zeeman slower directly into a magneto-optical trap (MOT) operating on the $^{1}S_{0} \rightarrow…

Atomic Physics · Physics 2016-07-04 A Guttridge , S A Hopkins , S L Kemp , D Boddy , R Freytag , M P A Jones , M R Tarbutt , E A Hinds , S L Cornish

We explore a technique for decelerating molecules using a static magnetic field and optical pumping. Molecules travel through a spatially varying magnetic field and are repeatedly pumped into a weak-field seeking state as they move towards…

Atomic Physics · Physics 2016-09-20 N. J. Fitch , M. R. Tarbutt

Atomic magnetometers based on Zeeman shift measurement have the potential for high sensitivity and long-term stability. Like other atomic sensors including atomic clocks and atom interferometers, the atomic magnetometer could in principle…

Quantum Physics · Physics 2025-02-17 Jinyang Li , Gour Pati , Renu Tripathi , Selim M Shahriar

The Zeeman hyperfine state dependent force in a Stern-Gerlach (SG) experiment has been exploited to separate and detect atoms having different Zeeman hyperfine states in a cold atom cloud. Utilizing this SG technique, we have made the…

Atomic Physics · Physics 2022-07-13 Vivek Singh , V. B. Tiwari , S. R. Mishra

We present a thorough analysis of a Zeeman slower for sodium atoms made of permanent magnets in a Halbach configuration. Due to the orientation of the magnetic field, the polarisation of the slowing laser beam cannot be purely circular…

We describe an experimental setup for producing a large cold erbium (Er) sample in a narrow-line magneto-optical trap (MOT) in a simple and efficient way. We implement a pair of angled slowing beams with respect to the Zeeman slower axis,…

Quantum Gases · Physics 2020-07-22 Bojeong Seo , Peng Chen , Ziting Chen , Weijun Yuan , Mingchen Huang , Shengwang Du , Gyu-Boong Jo