Fibre Raman laser generated clusters of femtosecond pulses at 1270 nm

Sergey Kobtsev; Aleksey Ivanenko; Alexey Kokhanovsky; Mikhail Gervaziev; Sergey Smirnov

doi:10.1117/12.2511026

7 March 2019 Fibre Raman laser generated clusters of femtosecond pulses at 1270 nm

Sergey Kobtsev, Aleksey Ivanenko, Alexey Kokhanovsky, Mikhail Gervaziev, Sergey Smirnov

Proceedings Volume 10897, Fiber Lasers XVI: Technology and Systems; 108972M (2019) https://doi.org/10.1117/12.2511026
Event: SPIE LASE, 2019, San Francisco, California, United States

Abstract

We demonstrate for the first time a fibre Raman laser delivering record-setting energy (60 nJ) of double-scale picofemtosecond pulses at wavelength of 1270 nm, which is of great interest in bio-medical applications. A Stokes wave was generated in single-stage Raman conversion of amplified radiation from a mode-locked F8 Yb-doped laser passing through a synchronously pumped phosphosilicate fibre ring cavity. The converted radiation at 1270 nm amounting to 47% of the total Raman laser output was maximised by tuning the repetition rate of the pulses generated in the Yb-doped master oscillator to the fundamental inter-mode spacing frequency of the phosphosilicate fibre cavity.

Citation Download Citation

Sergey Kobtsev, Aleksey Ivanenko, Alexey Kokhanovsky, Mikhail Gervaziev, and Sergey Smirnov "Fibre Raman laser generated clusters of femtosecond pulses at 1270 nm", Proc. SPIE 10897, Fiber Lasers XVI: Technology and Systems, 108972M (7 March 2019); https://doi.org/10.1117/12.2511026

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