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Yb3+-ring-doped fiber for high-energy pulse amplification

Nilsson, J., Paschotta, R., Caplen, J.E. and Hanna, D.C. (1997) Yb3+-ring-doped fiber for high-energy pulse amplification Optics Letters, 22, (14), pp. 1092-1094. (doi:10.1364/OL.22.001092).

Record type: Article


We report what is to our knowledge the first demonstration of pulse amplification in a cw-pumped fiber in which the doped gain medium has a ring shape surrounding a single-mode core. For a given pump power, ring doping reduces the gain and hence the power lost to amplified spontaneous emission. Thereby, a significantly larger amount of energy can be stored in the amplifier. Using an Yb3+-doped fiber pumped by 540 mW of power at 1000 nm, we measured 69 mJ of extracted pulse energy at 1047 nm, the highest value reported to date from a single-mode Yb3+-doped fiber. We predict that a fiber cladding pumped by a diode bar can produce pulse energies in excess of 1 mJ

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Published date: 1997


Local EPrints ID: 77977
ISSN: 0146-9592
PURE UUID: 71e337c8-32d0-4348-b620-d47ac82abce1

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Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:28

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Author: J. Nilsson
Author: R. Paschotta
Author: J.E. Caplen
Author: D.C. Hanna

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