Raman based power combining and wavelength conversion of multiple fiber lasers - Number scaling and limits on wavelength separation

Balaswamy, V and Aparanji, S and Supradeepa, VR (2019) Raman based power combining and wavelength conversion of multiple fiber lasers - Number scaling and limits on wavelength separation. In: 2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, 23 - 27 June 2019, Munich; Germany.

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Abstract

Cascaded Raman fiber lasers (CRFLs) based on random distributed feedback (RDFB) enable high-power fiber lasers at arbitrary wavelength bands 1,2. To enable further power scaling in these systems, we recently proposed the use of multiple low-power pump sources instead of a single high-power pump laser 3. Simultaneous power combining and wavelength conversion of two independent Ytterbium (Yb) lasers operating at different wavelengths into a single lasing wavelength at 1.5µm was demonstrated 3. However, the questions on whether this technique works for more than 2 pump inputs and with arbitrary wavelength separation were unanswered. Here, we demonstrate that the technique works for more than 2 pump inputs and also with wavelength separation between the pump varying from 5nm to 29nm. © 2019 IEEE

Item Type:	Conference Paper
Publication:	Optics InfoBase Conference Papers
Publisher:	OSA - The Optical Society
Additional Information:	Copyright of this article belongs to OSA - The Optical Society
Keywords:	Distributed feedback lasers; Fiber lasers; Separation, Distributed feedback; High power fiber lasers; Lasing wavelength; Power combining; Power-scaling; Raman fiber lasers; Wavelength band; Wavelength separation, Pumping (laser)
Department/Centre:	Division of Interdisciplinary Sciences > Centre for Nano Science and Engineering
Date Deposited:	27 May 2021 13:22
Last Modified:	28 Aug 2022 09:25
URI:	https://eprints.iisc.ac.in/id/eprint/65543

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