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), 1092-1094. (doi:10.1364/OL.22.001092).
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Description/Abstract
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
| Item Type: | Article |
|---|---|
| ISSNs: | 0146-9592 (print) 1539-4794 (electronic) |
| Related URLs: | |
| Subjects: | Q Science > QC Physics T Technology > TK Electrical engineering. Electronics Nuclear engineering |
| Divisions: | University Structure - Pre August 2011 > Optoelectronics Research Centre |
| Item ID: | 77977 |
| Date Deposited: | 11 Mar 2010 |
| Last Modified: | 17 May 2013 01:16 |
| Contributors: | Nilsson, J. (Author) Paschotta, R. (Author) Caplen, J.E. (Author) Hanna, D.C. (Author) |
| Date: | 1997 |
| Status: | Published |
| URI: | http://eprints.soton.ac.uk/id/eprint/77977 |
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