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Modeling and optimization of high-power Nd3+-Yb3+ codoped fiber lasers

Yahel, E, Hess, O and Hardy, AA (2006) Modeling and optimization of high-power Nd3+-Yb3+ codoped fiber lasers JOURNAL OF LIGHTWAVE TECHNOLOGY, 24 (3). 1601 - 1609. ISSN 0733-8724

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Abstract

High-power continuous-wave Nd3+-Yb3+ codoped fiber lasers (NYDFL) are analyzed, based on a rate-propagation equations model. The model takes into account energy transfer between Nd3+ and Yb3+, as well as cross relaxation between Nd3+ ions, and contributions from high-order modes to the amplified spontaneous emission (ASE). Examples of cladding-pumped NYDFLs with distributed Bragg reflector (DBR) at either end are presented. We demonstrate the optimal laser design by considering the effects of the Nd3+ and Yb3+ concentrations, pump wavelengths multiplexing, output mirror reflectivity, and the laser wavelength. Approximate quasi-analytical solutions are shown to be in good agreement with the exact numerical solutions of the rate equations for practical conditions.

Item Type: Article
Uncontrolled Keywords: Science & Technology, Technology, Physical Sciences, Engineering, Electrical & Electronic, Optics, Telecommunications, Engineering, distributed Bragg reflector (DBR) lasers, neodymium (Nd), optical fiber lasers, optical fiber theory, Ytterbium (Yb), CONTINUOUS-WAVE, BEAM QUALITY, AMPLIFIERS, GLASS, EMISSION
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Divisions: Faculty of Engineering and Physical Sciences > Physics
Depositing User: Mr Adam Field
Date Deposited: 27 May 2010 14:42
Last Modified: 23 Sep 2013 18:33
URI: http://epubs.surrey.ac.uk/id/eprint/1557

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