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Self-mode-locking through intra-cavity sum-frequency generation
KTH, School of Engineering Sciences (SCI), Applied Physics.ORCID iD: 0000-0002-2397-0494
KTH, School of Engineering Sciences (SCI), Applied Physics.ORCID iD: 0000-0001-6915-1040
KTH, School of Engineering Sciences (SCI), Applied Physics.ORCID iD: 0000-0001-7688-1367
KTH, School of Engineering Sciences (SCI), Applied Physics.ORCID iD: 0000-0002-2508-391X
2022 (English)In: Optics Express, E-ISSN 1094-4087, Vol. 30, no 22, p. 40906-40915Article in journal (Refereed) Published
Abstract [en]

A new technique for mode-locking is demonstrated based on two lasers sharing one leg for sum-frequency generation. When the two lasers had equal round trip time one will produce bright pulses and the other dark pulses. Both lasers used Nd:YVO4 as the gain material, but operated at different wavelengths, namely 1064 nm and 1342 nm. In the present configuration, sub-250 ps pulses were generated at a repetition rate of 276 MHz with an output power of 70 mW. With appropriate choice of round trip loss at the two wavelengths it was possible to choose which laser was generating the bright pulses.

Place, publisher, year, edition, pages
Optica Publishing Group , 2022. Vol. 30, no 22, p. 40906-40915
National Category
Atom and Molecular Physics and Optics
Identifiers
URN: urn:nbn:se:kth:diva-322137DOI: 10.1364/OE.471431ISI: 000883750300006PubMedID: 36299015Scopus ID: 2-s2.0-85140866202OAI: oai:DiVA.org:kth-322137DiVA, id: diva2:1715674
Note

QC 20221202

Available from: 2022-12-02 Created: 2022-12-02 Last updated: 2022-12-02Bibliographically approved

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Widarsson, MaxBrunzell, MartinLaurell, FredrikPasiskevicius, Valdas

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CiteExportLink to record
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