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A practical and compact subpicosecond optical fibre amplifier

Gray, S., Caplen, J.E., Minelly, J.D., Grudinin, A.B., Nagatsuma, T. and LeFlohic, M. (1997) A practical and compact subpicosecond optical fibre amplifier At Conference on Lasers and Electro-Optics (CLEO)/Pacific Rim '97, United States. 14 - 18 Jul 1997.

Record type: Conference or Workshop Item (Paper)

Abstract

Many experiments on all optical signal processing for high speed communications systems require the generation of high energy subpicosecond pulses. The production of such pulses in optical fibres is limited by the high peak powers generated in the fibre core and the onset of large nonlinear effects such as SPM induced spectral broadening and Raman scattering of the pulse energy to longer wavelengths. The usual technique to overcome these limitations is to employ chirped pulse amplification (CPA) to initially stretch the pulses to reduce the peak power before amplifying and recompressing them. This technique has proved successful at generating pulses with microjoule energies [1] but only at low (kHz) repetition rates. At the high repetition rates used in communication experiments CPA cannot be used because it will create overlap and interference between the pulses and therefore a different approach is required. In this paper we demonstrate the use of a large area Er/Yb fibre to directly amplify subpicosecond pulses to energies greater than 1 nJ with peak powers in excess of 2000 Watts in an all fibre configuration

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Published date: 1997
Venue - Dates: Conference on Lasers and Electro-Optics (CLEO)/Pacific Rim '97, United States, 1997-07-14 - 1997-07-18

Identifiers

Local EPrints ID: 76731
URI: http://eprints.soton.ac.uk/id/eprint/76731
PURE UUID: 2d3597de-3281-49c6-b140-8e64cc7de334

Catalogue record

Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:38

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Contributors

Author: S. Gray
Author: J.E. Caplen
Author: J.D. Minelly
Author: A.B. Grudinin
Author: T. Nagatsuma
Author: M. LeFlohic

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