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Related Experiment Video

Updated: Jun 18, 2026

Quasi-light Storage for Optical Data Packets

Quasi-light Storage for Optical Data Packets

Published on: February 6, 2014

10-GHz self-referenced optical frequency comb.

Albrecht Bartels¹, Dirk Heinecke, Scott A Diddams

¹Center for Applied Photonics, University of Konstanz, Universitätsstrasse 10, 78457 Konstanz, Germany. albrecht.bartels@uni-konstanz.de

Science (New York, N.Y.)

|November 11, 2009

Summary

This summary is machine-generated.

A new femtosecond laser frequency comb with a 10 GHz repetition rate allows direct observation of individual optical frequency modes. This breakthrough advances precision metrology, spectroscopy, and ultrafast waveform control.

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Area of Science:

Optics and Photonics
Metrology
Spectroscopy

Background:

Femtosecond laser frequency combs are crucial for high-precision optical frequency metrology.
Current combs have densely spaced modes, limiting direct observation and applications.

Purpose of the Study:

To develop a femtosecond laser frequency comb with individually resolvable modes.
To expand the applicability of frequency comb technology in various scientific fields.

Main Methods:

Utilized a femtosecond laser system with a 10 GHz repetition rate.
Stabilized the output spectrum covering 470 to 1130 nanometers.
Employed a grating spectrometer for mode resolution.

Main Results:

Successfully generated a frequency comb with directly resolvable individual modes.
Achieved a broad spectral coverage from 470 to 1130 nm.
Demonstrated that the modes are visible to the naked eye.

Conclusions:

The developed 10 GHz femtosecond laser frequency comb enables direct mode observation.
This advancement significantly enhances capabilities in precision spectroscopy, astronomy, and ultrafast waveform control.