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We present a standalone frequency-offset locking system for controlling narrow-linewidth lasers using off-the-shelf electronic components. We lock two frequency-doubled 1560 nm lasers to a stable primary laser operating at 780 nm via their…

Atomic Physics · Physics 2026-03-27 K. Shalaby , T. Hunt , S. Moir , P. Trottier , T. Reuschel , B. Barrett

We present and characterize a laser system for the spectroscopy on highly-charged ^209Bi^82+ ions at a wavelength of 243.87 nm. For absolute frequency stabilization, the laser system is locked to a near-infra-red laser stabilized to a…

Atomic Physics · Physics 2012-09-12 S. Albrecht , S. Altenburg , C. Siegel , N. Herschbach , G. Birkl

We present the characterization of a laser frequency stabilization scheme using a state-of-the-art wavelength meter based on solid Fizeau interferometers. For a frequency-doubled Ti-sapphire laser operated at 461 nm, an absolute Allan…

Instrumentation and Detectors · Physics 2018-05-09 Luc Couturier , Ingo Nosske , Fachao Hu , Canzhu Tan , Chang Qiao , Y. H. Jiang , Peng Chen , Matthias Weidemüller

We present a laser frequency stabilization system that uses a transfer interferometer to stabilize slave lasers to a reference laser. Our implementation uses off-the-shelf optical components along with microcontroller-based digital…

Atomic Physics · Physics 2018-03-23 Shira Jackson , Hiromitsu Sawaoka , Nishant Bhatt , Shreyas Potnis , Amar C. Vutha

We miniaturized the complex optical system responsible for the cooling, pumping and imaging of an on-chip based cold atom inertial sensor. This optical bench uses bonded miniature optics and includes all the necessary optical functions. The…

A low noise laser system for atom interferometry is realized with phase-locked fiber lasers, where the performance of the OPLL is greatly enhanced by the FEOM feedback loop and the narrow linewidths. The laser system demonstrated contribute…

Atomic Physics · Physics 2022-03-22 Bo-Nan Jiang

We demonstrate an atom interferometer that uses a laser-cooled continuous beam of $^{87}$Rb atoms having velocities of 10--20 m/s. With spatially separated Raman beams to coherently manipulate the atomic wave packets, Mach--Zehnder…

Atomic Physics · Physics 2015-06-18 H. B. Xue , Y. Y. Feng , S. Chen , X. J. Wang , X. S. Yan , Z. K. Jiang , Z. Y. Zhou

We have implemented a simple and cost-effective digital system for long-term frequency stabilisation and locking to an arbitrary wavelength of the single-frequency ring CW Ti:Sapphire laser. This system is built around two confocal…

We present the complete characterization of a laser setup for rubidium cooling dedicated to space applications. The experimental setup is realized with commercial off-the-shelf fiber components suitable for space applications. By frequency…

Atomic Physics · Physics 2014-08-29 Thomas Lévèque , Laura Antoni-Micollier , Benoit Faure , Jacques Berthon

To reach sub-picometer sensitivity in the millihertz range, displacement sensors based on laser interferometry require suppression of laser-frequency noise by several orders of magnitude. Many optical frequency stabilization methods exist…

We describe a simple and compact architecture for generating all optical frequencies required for the laser cooling, state preparation and detection of atoms in an ultracold rubidium-87 experiment from a single 780 nm laser source. In…

Atomic Physics · Physics 2012-10-26 A. B. Deb , A. Rakonjac , N. Kjaergaard

We present the development of a laser system for performing single-photon atom interferometry on the 698 nm clock transition in ultracold Strontium. We coherently combine the power of two Titanium:Sapphire lasers and demonstrate chirps of…

Optics · Physics 2023-08-02 Kenneth DeRose , Tejas Deshpande , Yiping Wang , Tim Kovachy

We present a diode laser system optimized for laser cooling and atom interferometry with ultra-cold rubidium atoms aboard sounding rockets as an important milestone towards space-borne quantum sensors. Design, assembly and qualification of…

We present a new general design approach of a broad-band detector of gravitational radiation that relies on two atom interferometers separated by a distance L. In this scheme, only one arm and one laser will be used for operating the two…

General Relativity and Quantum Cosmology · Physics 2015-05-18 Nan Yu , Massimo Tinto

We describe a simple and compact experimental setup for optical tweezer arrays of 87Rb atoms. This setup includes a compact vacuum system, a single cooling laser, a simple tweezer laser, and a flexible control system. The small vacuum…

Quantum Gases · Physics 2026-04-15 Xue Zhao , Xiao Wang , Wentao Yang , Xiaoyu Dai , Yirong Wang , Guangren Sun , Fangshi Jia , Kuiyi Gao , Wei Zhang

A method for the agile generation of the optical frequencies required for laser cooling and atom interferometry of rubidium is demonstrated. It relies on fiber Bragg grating technology to filter the output of an electro-optic modulator and…

Atomic Physics · Physics 2020-11-24 C. D. Macrae , K. Bongs , M. Holynski

Low-phase-noise and pure-spectrum Raman light is vital for high-precision atom interferometry by two-photon Raman transition. A preferred and prevalent solution for Raman light generation is electro-optic phase modulation. However, phase…

Precision laser spectroscopy is key to many developments in atomic and molecular physics and the advancement of related technologies such as atomic clocks and sensors. However, in important spectroscopic scenarios, such as astronomy and…

We present a narrow linewidth continuous laser source with over 11 Watts of output power at 780nm, based on single-pass frequency doubling of an amplified 1560nm fibre laser with 36% efficiency. This source offers a combination of high…

We present a compact and transportable inertial sensor for precision sensing of rotations and accelerations. The sensor consists of a dual Mach-Zehnder-type atom interferometer operated with laser-cooled $^{87}$Rb. Raman processes are…

Atomic Physics · Physics 2015-05-13 T. Müller , M. Gilowski , M. Zaiser , T. Wendrich , W. Ertmer , E. M. Rasel