White, J. O. and Vasilyev, A. and Cahill, J. P. and Satyan, N. and Okusaga, O. and Rakuljic, G. and Mungan, C. E. and Yariv, A, (2012) Suppression of stimulated Brillouin scattering in optical fibers using a linearly chirped diode laser. Optics Express, 20 (14). pp. 15872-15881. ISSN 1094-4087 http://resolver.caltech.edu/CaltechAUTHORS:20120807-153614740
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Abstract
The output of high power fiber amplifiers is typically limited by stimulated Brillouin scattering (SBS). An analysis of SBS with a chirped pump laser indicates that a chirp of 2.5 × 10^(15) Hz/s could raise, by an order of magnitude, the SBS threshold of a 20-m fiber. A diode laser with a constant output power and a linear chirp of 5 × 10^(15) Hz/s has been previously demonstrated. In a low-power proof-of-concept experiment, the threshold for SBS in a 6-km fiber is increased by a factor of 100 with a chirp of 5 × 10^(14) Hz/s. A linear chirp will enable straightforward coherent combination of multiple fiber amplifiers, with electronic compensation of path length differences on the order of 0.2 m.
| Item Type: | Article | ||||
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| Additional Information: | © 2012 Optical Society of America. Received 11 May 2012; revised 13 Jun 2012; accepted 15 Jun 2012; published 27 Jun 2012. This work has been supported by High Energy Laser Joint Technology Office contract 11- SA-0405. We are also grateful for continuing technical input from Scott Christensen, John Edgecumbe, and Imtiaz Majid at Nufern. | ||||
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| Classification Code: | OCIS codes: 060.2320; 190.5890; 140.3518 | ||||
| Record Number: | CaltechAUTHORS:20120807-153614740 | ||||
| Persistent URL: | http://resolver.caltech.edu/CaltechAUTHORS:20120807-153614740 | ||||
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| Official Citation: | J. O. White, A. Vasilyev, J. P. Cahill, N. Satyan, O. Okusaga, G. Rakuljic, C. E. Mungan, and A. Yariv, "Suppression of stimulated Brillouin scattering in optical fibers using a linearly chirped diode laser," Opt. Express 20, 15872-15881 (2012) http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-14-15872 | ||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||
| ID Code: | 32994 | ||||
| Collection: | CaltechAUTHORS | ||||
| Deposited By: | Aucoeur Ngo | ||||
| Deposited On: | 07 Aug 2012 23:07 | ||||
| Last Modified: | 26 Dec 2012 15:52 |
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