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High-power, fixed, and tunable wavelength, grating-free cascaded Raman fiber lasers

Balaswamy, V and Arun, S and Aparanji, Santosh and Choudhury, Vishal and Supradeepa, V R (2018) High-power, fixed, and tunable wavelength, grating-free cascaded Raman fiber lasers. In: OPTICS LETTERS, 43 (7). pp. 1574-1577.

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Official URL: http://dx.doi.org/10.1364/OL.43.001574


Cascaded Raman lasers enable high powers at various wavelength bands inaccessible with conventional rare-earth-doped lasers. The input and output wavelengths of conventional implementations are fixed by the constituent fiber gratings necessary for cascaded Raman conversion. We demonstrate here a simple architecture for high-power, fixed, and wavelength tunable, grating-free, cascaded Raman conversion between different wavelength bands. The architecture is based on the recently proposed distributed feedback Raman lasers. Here, we implement a module which converts the ytterbium band to the eye-safe 1.5 mu m region. We demonstrate pump-limited output powers of over 30 W in fixed and continuously wavelength tunable configurations. (c) 2018 Optical Society of America

Item Type: Journal Article
Additional Information: Copy right for this article belong to OPTICAL SOC AMER, 2010 MASSACHUSETTS AVE NW, WASHINGTON, DC 20036 USA
Department/Centre: Division of Interdisciplinary Research > Centre for Nano Science and Engineering
Depositing User: Id for Latest eprints
Date Deposited: 04 May 2018 18:47
Last Modified: 04 May 2018 18:47
URI: http://eprints.iisc.ac.in/id/eprint/59762

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