Record #343297 - GSI Repository

versacomb

Versatile optical frequency comb

Grant period	2023-09-01 - 2025-02-28
Funding body	European Union
Call number	ERC-2022-POC2
Grant number	101113343
Identifier	G:(EU-Grant)101113343

Note: Frequency combs are optical sources that can be used as rulers. Any unknown frequency can be very precisely measured by comparing it to the nearest tooth of the comb. The technology has revolutionized metrology and spectroscopy among others and its inventors were awarded the Nobel Prize in 2005. To obtain a frequency comb, a periodic optical pattern must be generated. There are different ways of forming optical patterns and different technologies are used, depending on the required comb spacing (which corresponds to the repetition-rate of the pattern). For example, high repetition rate combs used for calibration of astronomical spectrographs, while low repetition rates are used for spectroscopy or ranging. We propose to fabricate a completely novel device whose repetition rate can be tuned over three orders of magnitude, covering most applications of frequency combs. The device would merge the advantages of the existing technologies, in terms of power and stability. We expect our device to have a strong impact on the market of frequency comb generators and will investigate different paths towards commercialization of the prototype.

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Record created 2023-08-27, last modified 2023-08-27

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