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We report the frequency noise suppression of a 674nm diode laser by phase-locking it to a 1560nm cavity-stabilized laser, using a commercial optical frequency comb. By phase-locking the frequency comb to the narrow reference at telecom…

Atomic Physics · Physics 2019-05-14 Lee Peleg , Nitzan Akerman , Tom Manovitz , Meir Alon , Roee Ozeri

Lasers are the workhorse of quantum engineering in the atomic-molecular-optic community. However, phase noise of the laser, which can be especially large in popular semiconductor-based lasers, can limit fidelity of operation. Here, we…

Frequency-stabilized mid-infrared lasers are valuable tools for precision molecular spectroscopy. However, their implementation remains limited by complicated stabilization schemes. Here we achieve optical self-locking of a quantum cascade…

Optics · Physics 2021-06-29 Gang Zhao , Jianfei Tian , Joseph T. Hodges , Adam J. Fleisher

Optically levitated micro- and nanoparticles are an ideal optomechanical platform for precision measurements, particularly enabling the detection of ultraweak forces. Nevertheless, quantum backaction and inherent instabilities induced by…

Today's state of the art precision experiments in quantum, gravimetry, navigation, time keeping, and fundamental science have strict requirements on the level and spectral distribution of laser frequency noise. For example, the laser…

We demonstrate a Raman laser system based on phase modulation technology and phase feedback control. The two laser beams with frequency difference of 6.835 GHz are modulated using electro-optic and acousto-optic modulators, respectively.…

Optics · Physics 2017-03-08 Wei Li , Xiong Pan , Ningfang Song , Xiaobin Xu , Xiangxiang Lu

We propose in this communication an experimental study of the relaxation oscillations behavior in mode-locked lasers. The semiconductor self-pulsating laser diode is composed by two gain sections, without saturable absorber. It is made of…

We demonstrate that conventional modulated spectroscopy apparatus, used for laser frequency stabilization in many atomic physics laboratories, can be enhanced to provide a wideband lock delivering deep suppression of frequency noise across…

Atomic Physics · Physics 2013-02-20 Vlad Negnevitsky , Lincoln D. Turner

Laser frequency combs are coherent light sources that simultaneously provide pristine frequency spacings for precision metrology and the fundamental basis for ultrafast and attosecond sciences. Recently, nonlinear parametric conversion in…

Optics · Physics 2015-02-20 S. -W. Huang , J. Yang , H. Zhou , M. Yu , D. -L. Kwong , C. W. Wong

Modern experiments in quantum metrology, sensing, and quantum computing require precise control of the state of atoms and molecules, achieved through the use of highly stable lasers and microwave generators with low phase noise. One of the…

Optical frequency combs, coherent light sources that connect optical frequencies with microwave oscillations, have become the enabling tool for precision spectroscopy, optical clockwork and attosecond physics over the past decades. Current…

Optics · Physics 2017-03-21 S. -W. Huang , J. Yang , M. Yu , B. H. McGuyer , D. -L. Kwong , T. Zelevinsky , C. W. Wong

Light detection and ranging (LiDAR) has emerged as an indispensable tool in autonomous technology. Among its various techniques, frequency modulated continuous wave (FMCW) LiDAR stands out due to its capability to operate with ultralow…

We present a scheme to phase-lock a 240 mW, 852 nm distributed Bragg reflector (DBR) laser to a fixed-frequency narrow-linewidth laser with a rapidly tunable frequency offset near 9 GHz. The phase-lock is accomplished by electronic feedback…

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…

A fiber laser is stabilized using a Calcium Fluoride (CaF2) whispering-gallery-mode resonator. It is set up using a semiconductor optical amplifier as a gain medium. The resonator is critically coupled through prisms, and used as a…

Optics · Physics 2012-08-02 B. Sprenger , H. G. L. Schwefel , Z. H. Lu , S. Svitlov , L. J. Wang

The repetition rate stabilization of an optical frequency comb based on diode-pumped solid-state laser technology is demonstrated using an intra-cavity electro-optic modulator. The large feedback bandwidth of such modulators allows…

Instrumentation and Detectors · Physics 2017-01-27 Nicolas Torcheboeuf , Gilles Buchs , Stefan Kundermann , Erwin Portuondo-Campa , Jonathan Bennès , Steve Lecomte

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

Recent advances in the development of ultra-low loss silicon nitride integrated photonic circuits have heralded a new generation of integrated lasers capable of reaching fiber laser coherence. However, these devices presently are based on…

To meet the requirements of time-frequency networks and enable frequency downloadability for nodes along the link, we demonstrated the extraction of stable frequency signals at nodes using a mode-locked laser under the condition of 100 km…

Optics · Physics 2023-12-19 Ziyi Jin , Ziyang Chen , Kai Wu , Dongrui Yu , Guohua Wu , Song Yu , Bin Luo , Hong Guo

With Hg atoms confined in an optical lattice trap in the Lamb-Dicke regime, we obtain a spectral line at 265.6 nm in which the full-width at half-maximum is <15Hz. Here we lock an ultrastable laser to this ultranarrow clock transition and…

Atomic Physics · Physics 2016-04-20 J. J. McFerran , D. V. Magalhaes , C. Mandache , J. Millo , W. Zhang , Y. Le Coq , G. Santarelli , S. Bize
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