Reference-free dual-comb spectroscopy with inbuilt coherence

Autor: Roiz, Mikhail, Larnimaa, Santeri, Uotila, Touko, Narhi, Mikko, Vainio, Markku

We demonstrate a simple system for dual-comb spectroscopy based on two inherently coherent optical frequency combs generated via seeded parametric down-conversion. The inbuilt coherence is established by making the two combs share a common comb line.

Externí odkaz: http://arxiv.org/abs/2405.03182

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Design guidelines for ultrashort pulse generation by a Mamyshev regenerator

Autor: Narhi, Mikko, et al

We study numerically the possibility of using various gain-switched seed laser pulse parameters and fibers for a low-cost, all-fiber Mamyshev regenerator scheme. We find that for increasing pulse durations, sufficient spectral broadening will be diff

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______2659::7bb52e8b08560353ae700f2b952f5e69
https://zenodo.org/record/4749674

Machine learning analysis of extreme events in optical fibre modulation instability

Autor: Salmela, Lauri, Narhi, Mikko, Toivonen, Juha, Dudley, John Michaël, Genty, Goëry

Publikováno v: Symposium on Future Prospects for Photonics : Sensing & Imaging
Symposium on Future Prospects for Photonics : Sensing & Imaging, Nov 2018, Stockholm, Sweden

International audience;  

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::389174c7ab4a7522fcfca7cc34dcbefa
https://hal.archives-ouvertes.fr/hal-03369392

Ultrafast Laser Solitons Born from Chaos

Autor: Ryczkowski, Piotr, Narhi, Mikko, Billet, Cyril, Merolla, Jean-Marc, Genty, Goëry, Dudley, John Michaël

Publikováno v: Optics and Photonics News
Optics and Photonics News, 2018, Special Issue on Optics, pp.1

International audience; Lasers that emit ultrashort light pulses have found wide use in medicine, communications and industrial processing, as well as in fundamental research. Ubiquitous as these sources are, however, the way that the laser pulses ac

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::f850cc6c1051fd9d250971fd5377c752
https://hal.archives-ouvertes.fr/hal-02134502