Simple modules for high efficiency conversion of standard ytterbium doped fiber lasers into octave spanning continuous-wave supercontinuum sources

S. Arun; Vishal Choudhury; V. Balaswamy; V. R. Supradeepa

doi:10.1117/12.2289893

26 February 2018 Simple modules for high efficiency conversion of standard ytterbium doped fiber lasers into octave spanning continuous-wave supercontinuum sources

S. Arun, Vishal Choudhury, V. Balaswamy, V. R. Supradeepa

Author Affiliations +

Proceedings Volume 10512, Fiber Lasers XV: Technology and Systems; 105121W (2018) https://doi.org/10.1117/12.2289893
Event: SPIE LASE, 2018, San Francisco, California, United States

Abstract

We have demonstrated a ~34 W continuous wave supercontinuum using the standard telecom fiber (SMF 28e). The supercontinuum spans over a bandwidth of ~1000 nm (>1 octave) from 880nm to 1900 nm with a substantial power spectral density of >1mW/nm from 880-1350 nm and ~50-100mW/nm in 1350-1900 nm. The distributed feedback Raman laser architecture was used for pumping the supercontinuum which ensured high efficiency Raman conversions and helped in achieving a very high efficiency of ~44% for supercontinuum generation. Using this architecture, Yb laser operating at any wavelength can be used for generating the supercontinuum and this was demonstrated by using two different Yb lasers operating at 1117nm and 1085 nm to pump the supercontinuum.

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Citation Download Citation

S. Arun, Vishal Choudhury, V. Balaswamy, and V. R. Supradeepa "Simple modules for high efficiency conversion of standard ytterbium doped fiber lasers into octave spanning continuous-wave supercontinuum sources", Proc. SPIE 10512, Fiber Lasers XV: Technology and Systems, 105121W (26 February 2018); https://doi.org/10.1117/12.2289893

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