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All passive architecture for high efficiency cascaded Raman conversion

Balaswamy, V and Arun, S and Chayran, G and Supradeepa, V R (2018) All passive architecture for high efficiency cascaded Raman conversion. In: OPTICS EXPRESS, 26 (3). pp. 3046-3053.

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Official URL: http://dx.doi.org/10.1364/OE.26.003046


Cascaded Raman fiber lasers have offered a convenient method to obtain scalable, high-power sources at various wavelength regions inaccessible with rare-earth doped fiber lasers. A limitation previously was the reduced efficiency of these lasers. Recently, new architectures have been proposed to enhance efficiency, but this came at the cost of enhanced complexity, requiring an additional low-power, cascaded Raman laser. In this work, we overcome this with a new, all-passive architecture for high-efficiency cascaded Raman conversion. We demonstrate our architecture with a fifth-order cascaded Raman converter from 1117nm to 1480nm with output power of similar to 64W and efficiency of 60%. (C) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

Item Type: Journal Article
Additional Information: Copy right for the 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: 14 Mar 2018 17:39
Last Modified: 14 Mar 2018 17:39
URI: http://eprints.iisc.ac.in/id/eprint/59174

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