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Ultrastable lasers form the back bone of precision measurements in science and technology. Such lasers attain their stability through frequency locking to reference cavities. State-of-the-art locking performances to date had been achieved…

Optics · Physics 2022-03-10 Fritz Diorico , Artem Zhutov , Onur Hosten

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 show that it is possible to realize simultaneous Raman lasing at two different frequencies using a double-$\Lambda$ system pumped by a bi-frequency field. The Raman lasers are phase-locked to one another, and the beat-frequency matches…

Quantum Physics · Physics 2018-05-30 Hadiseh Alaeian , Selim Shahriar

We demonstrate a high performance AOM based bi-frequency interferometer, which can realize either beating or beating free interference for single photon level quantum state. Visibility and optical efficiency of the interferometer are (99.5…

Quantum Physics · Physics 2023-08-31 Wenqi Li , Qiqi Deng , Xueshi Guo , Xiaoying Li

Precise measurements of the frequency and phase of an electrical or optical signal play a key role in various branches of science and engineering. Tracking changing laser frequencies is especially demanding when the lasers themselves are…

Instrumentation and Detectors · Physics 2024-12-30 Shreevathsa Chalathadka Subrahmanya , Christian Darsow-Fromm , Oliver Gerberding

A single-seed, module-based compact laser system is demonstrated on a transportable $^{87}\text{Rb}$-based high-precision atomic gravimeter. All the required laser frequencies for the atom interferometry are provided by free-space…

Atomic Physics · Physics 2022-10-24 Fong En Oon , Rainer Dumke

In this article, we study the non-linear coupling between the stationary (i.e. the beating modulation signal) and transient (i.e. the laser quantum noise) dynamics of a laser subjected to frequency shifted optical feedback. We show how the…

We developed a high-power laser system at a wavelength of 399 nm for laser cooling of ytterbium atoms with ultraviolet laser diodes. The system is composed of an external cavity laser diode providing frequency stabilized output at a power…

Atomic Physics · Physics 2016-02-17 Toshiyuki Hosoya , Martin Miranda , Ryotaro Inoue , Mikio Kozuma

A mechanism is explored whereby intense laser radiation induces an optical force between the constituent atoms of a molecule. In the case of a diatomic molecule the effect results in a modification of the vibrational potential, and using…

Optics · Physics 2007-05-23 D. L. Andrews R. G. Crisp

Two extended cavity laser diodes are phase-locked, thanks to an intra-cavity electro-optical modulator. The phase-locked loop bandwidth is on the order of 10 MHz, which is about twice larger than when the feedback correction is applied on…

Locking of a laser frequency to an atomic or molecular resonance line is a key technique in applications of laser spectroscopy and atomic metrology. Modulation transfer spectroscopy (MTS) provides an accurate and stable laser locking method…

Atomic Physics · Physics 2018-11-08 Jin-Bao Long , Sheng-Jun Yang , Shuai Chen , Jian-Wei Pan

Robust laser delivery and stabilization are key components in atom-based quantum technologies, such as quantum computing. Moving these technologies towards product-like deployment requires scalable, compact, cost-effective, and upgradable…

A compact and robust laser system, based on a frequency-doubled telecom laser, providing all the lasers needed for a rubidium cold atom interferometer using optical lattices is presented. Thanks to an optical switch at 1.5 \mu m and a…

A frequency-stabilized ultraviolet laser system, locked to the thallium resonant transition of 377.5 nm, was demonstrated using a novel bichromatic spectroscopy technique for tuning the zero-crossing laser-lock point. The atomic thallium…

Atomic Physics · Physics 2016-12-09 Tzu-Ling Chen , Chang-Yi Lin , Jow-Tsong Shy , Yi-Wei Liu

We propose a composite acousto-optical modulation (AOM) scheme for wide-band, efficient modulation of CW and pulsed lasers. We show that by adjusting the amplitudes and phases of weakly-driven daughter AOMs, diffraction beyond the Bragg…

Optics · Physics 2022-07-27 Ruijuan Liu , Yudi Ma , Lingjing Ji , Liyang Qiu , Minbiao Ji , Zhensheng Tao , Saijun Wu

Atom interferometry on optical clock transitions is being pursued for numerous long-baseline experiments both terrestrially and for future space missions. Crucial to meeting these experiments' required sensitivities is the implementation of…

Stable ultrashort light pulses and frequency combs generated by mode-locked lasers have many important applications including high-resolution spectroscopy, fast chemical detection and identification, studies of ultrafast processes, and…

Optics · Physics 2016-06-08 D. G. Revin , M. Hemingway , Y. Wang , J. W. Cockburn , A. Belyanin

We propose a novel method to control the frequency of semiconductor lasers. The new technique allows fabricating three-terminal lasers with fast frequency tuning and the possibility to implement intrinsically the linearization of laser…

Applied Physics · Physics 2025-01-07 B. Laikhtman , G. Belenky , S. Suchalkin

We propose a method to continuously frequency shift a target laser that is frequency stabilized by a reference laser, which is several hundreds of nanometers detuned. We demonstrate the technique using the 5S 1/2 to 5P 3/2 to 29D 5/2…

We demonstrate laser frequency stabilization with at least 6 GHz of offset tunability using an in-phase/quadrature (IQ) modulator to generate electronic sidebands (ESB) on a titanium sapphire laser at 714 nm and we apply this technique to…

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