Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Video

Updated: Jul 15, 2026

Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving
11:21

Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving

Published on: March 30, 2017

Mode-locked laser-type optical atomic clock with an optically pumped Cs gas cell.

Toru Hirayama1, Masato Yoshida, Masataka Nakazawa

  • 1Research Institute of Electrical Communication, Tohoku University, Sendai, Japan. hirayama@riec.tohoku.ac.jp

Optics Letters
|April 19, 2007
PubMed
Summary

We developed a stable cesium (Cs) optical atomic clock using a mode-locked laser and optically pumped Cs gas cell. This ultrastable clock demonstrates excellent short-term stability for precise timekeeping applications.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Network-based analysis of health-related quality of life following surgery for degenerative cervical myelopathy.

The spine journal : official journal of the North American Spine Society·2026
Same author

Incidence, Timing and Associated Factors of In-Stent Restenosis after CASPER Placement: A Single-Center Retrospective Study.

Journal of neuroendovascular therapy·2026
Same author

Control of interacting spin-pulse waveforms in an oscillator-less photonic Ising machine and its similarity to the AM mode-locking of a laser.

Optics express·2026
Same author

108 Gbit/s, 64 QAM fully-coherent mobile-fronthaul transmission over 10 km SMF and 70 m wirelessly in the 125 GHz band.

Optics express·2026
Same author

Impact of surgeon experience on surgical outcomes after posterior decompression for degenerative cervical myelopathy: A prospective multicenter study.

Spinal cord·2026
Same author

Impact of Diabetes Mellitus on Surgical Outcomes in Degenerative Cervical Myelopathy: A Prospective Multicenter Study.

Spine·2026

Area of Science:

  • Atomic physics
  • Laser technology
  • Metrology

Background:

  • Cesium atomic clocks are fundamental frequency standards.
  • Optical atomic clocks offer enhanced stability over microwave clocks.
  • Mode-locked lasers enable precise frequency control.

Purpose of the Study:

  • To demonstrate a mode-locked laser-type optical atomic clock.
  • To utilize an optically pumped cesium gas cell with double resonance.
  • To achieve ultrastable performance in a rack-mount format.

Main Methods:

  • Employing a mode-locked laser system.
  • Using an optically pumped cesium gas cell as the frequency standard.
  • Implementing a double resonance method for enhanced accuracy.

More Related Videos

Construction and Characterization of External Cavity Diode Lasers for Atomic Physics
09:10

Construction and Characterization of External Cavity Diode Lasers for Atomic Physics

Published on: April 24, 2014

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy
08:48

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

Published on: November 22, 2019

Related Experiment Videos

Last Updated: Jul 15, 2026

Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving
11:21

Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving

Published on: March 30, 2017

Construction and Characterization of External Cavity Diode Lasers for Atomic Physics
09:10

Construction and Characterization of External Cavity Diode Lasers for Atomic Physics

Published on: April 24, 2014

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy
08:48

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

Published on: November 22, 2019

Main Results:

  • Successful demonstration of a rack-mount Cs optical atomic clock.
  • Achieved frequency stability of 1.2 x 10^-12 at tau=1 s.
  • Reached frequency stability of 8.8 x 10^-14 at tau=100 s for a 9.1926 GHz signal.

Conclusions:

  • The developed Cs optical atomic clock exhibits excellent short-term stability.
  • The mode-locked laser approach with optically pumped Cs cell is effective for ultrastable clocks.
  • This technology advances precision timekeeping capabilities.