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Ultrastable optical frequency comb systems

Total Cost €


EC-Contrib. €






 ULTRASTABLE project word cloud

Explore the words cloud of the ULTRASTABLE project. It provides you a very rough idea of what is the project "ULTRASTABLE" about.

commercialization    gases    realization    respect    precision    closer    advantages    metrology    first    strategy    commercial    mega    stg    spectroscopy    industry    breath    telecommunications    invented    nobel    poc    absorber    medical    august    nonlinearity    world    invention    honoured    mainly    sensing    demonstration    ip    inside    technologies    despite    continue    highlight    dispersion    cavity    monitoring    basic    confirmed    solutions    written    remote    placed    physics    frequency    prize    revolutionized    ceo    market    sesam    optimum    submitted    saturable    laser    patent    broadband    opinion    pollutants    xuv    modelocked    biomarkers    enlarge    thresholds    comb    stabilized    searching    semiconductor    thin    combs    speed    environmentally    2005    erc    modulation    damage    disk    applicability    standard    extremely    stabilization    accessible    industrial    context    international    inventive    human    2015    demonstrators    optical    femtosecond    farming    opto    novelty   

Project "ULTRASTABLE" data sheet

The following table provides information about the project.


Organization address
postcode: 2000

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Switzerland [CH]
 Total cost 150˙000 €
 EC max contribution 150˙000 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2016-PoC
 Funding Scheme ERC-POC
 Starting year 2016
 Duration (year-month-day) from 2016-10-01   to  2018-03-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UNIVERSITE DE NEUCHATEL CH (NEUCHATEL) coordinator 150˙000.00


 Project objective

The invention of optical frequency combs revolutionized numerous fields in metrology and was honoured by the 2005 Nobel Prize in Physics. Frequency combs have many new emerging applications in optical telecommunications, broadband high-precision spectroscopy and sensing, etc. Monitoring of environmentally relevant gases and pollutants, medical sensing of biomarkers in human breath, or remote sensing of gases relevant for resources exploitation or farming are important areas, in which frequency comb systems might find large applications in the future. However, so far, frequency comb systems are mainly used in basic research, despite their large potential for commercial applications. New technology solutions are required to enlarge the application range of this technology and make it accessible for real-world systems.

An important highlight in my ERC StG Mega-XUV project was the first demonstration of a stabilized optical frequency comb from a SESAM-modelocked femtosecond thin disk laser. In this context, we invented a new method for stabilization of optical frequency combs. Our new invention is to use opto-optical modulation of a semiconductor saturable absorber that is placed inside the femtosecond laser cavity. It has several technical advantages compared to the standard method, therefore we submitted a patent application for it. The Written Opinion of the International Searching Authority confirmed its novelty, inventive step and industrial applicability in August 2015. We expect that our IP will enable European industry to continue to be leading this field, because it has several advantages compared to other CEO stabilization technologies, in particular with respect to modulation speed, low nonlinearity and dispersion, and extremely high damage thresholds.

With this PoC proposal, we target both the realization of technical demonstrators to bring our invention closer to the market as well as the development of an optimum commercialization strategy.


year authors and title journal last update
List of publications.
2018 T. Südmeyer
Towards few-cycle pulses from ultrafast thin disk lasers
published pages: , ISSN: , DOI:
18th International Laser Optics Conference 4th – 8th June 2018 2019-06-12
2018 N. Modsching, C. Paradis, P. Brochard, N. Jornod, K. Gürel, C. Kräankel, S.Schilt, V.J. WittwerT. Südmeyer
Frequency Comb Stabilization of a 4 W, 50-fs Thin-Disk Laser Oscillator
published pages: , ISSN: , DOI:
European Time and Frequency Forum, April 10-12, 2018 2019-06-12
2017 T. Südmeyer
Ultrafast Solid-State Lasers: State-of-the-art and New Frontiers
published pages: , ISSN: , DOI:
The 24th Congress of the International Commission for Optics (ICO-24), Tokyo, Japan, 21.-25. August, 2017 2019-06-12

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