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Simple Modules for High Efficiency Conversion of Standard Ytterbium doped Fiber Lasers into Octave Spanning Continuous Wave Supercontinuum Sources

Arun, S and Choudhury, Vishal and Balaswamy, V and Supradeepa, V R (2018) Simple Modules for High Efficiency Conversion of Standard Ytterbium doped Fiber Lasers into Octave Spanning Continuous Wave Supercontinuum Sources. In: Conference on Fiber Lasers XV - Technology and SystemsSan Francisco, CA, JAN 29-FEB 01, 2018, San Francisco, CA.

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Official URL: http://dx.doi.org/10.1117/12.2289893

Abstract

We have demonstrated a similar to 34 W continuous wave supercontinuum using the standard telecom fiber (SMF 28e). The supercontinuum spans over a bandwidth of similar to 1000 nm (>1 octave) from 880nm to 1900 nm with a substantial power spectral density of >1mW/nm from 880-1350 nm and similar to 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 similar to 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.

Item Type: Conference Proceedings
Additional Information: Copy right for this article belong toSPIE-INT SOC OPTICAL ENGINEERING, 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
Department/Centre: Division of Interdisciplinary Research > Centre for Nano Science and Engineering
Depositing User: Id for Latest eprints
Date Deposited: 06 Jun 2018 14:51
Last Modified: 06 Jun 2018 14:51
URI: http://eprints.iisc.ac.in/id/eprint/59977

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